Task 59348527
| Name | TF_76-77_190-206M_wu_43969_0 |
| Workunit | 53295441 |
| Created | 22 Sep 2026, 21:16:26 UTC |
| Sent | 29 Sep 2026, 17:45:33 UTC |
| Report deadline | 5 Oct 2026, 17:45:33 UTC |
| Received | 30 Sep 2026, 10:44:21 UTC |
| Server state | Over |
| Outcome | Success |
| Client state | Done |
| Exit status | 0 (0x0) |
| Computer ID | 251560 |
| Run time | 6 min 24 sec |
| CPU time |
|
| Validate state | Valid |
| Credit | 39,000.00 |
| Device peak FLOPS | 235.93 GFLOPS |
| Application version | TF v0.51 (opencl_ati_101) |
| Peak working set size | 113.45 MB |
| Peak swap size | 162.96 MB |
| Peak disk usage | 3.48 MB |
Stderr output
<core_client_version>8.2.11</core_client_version>
<![CDATA[
<stderr_txt>
forum or GitHub to have it added to mfakto.
Device name: gfx90c (Advanced Micro Devices, Inc.)
mfakto thread: https://www.mersenneforum.org/node/11037
GitHub: https://github.com/primesearch/mfakto/issues
You can also set GPUType in mfakto.ini to avoid this message.
OpenCL device info
name gfx90c (Advanced Micro Devices, Inc.)
device (driver) version OpenCL 2.0 AMD-APP (3584.0) (3584.0 (PAL,HSAIL))
maximum threads per block 1024
maximum threads per grid 1073741824
number of multiprocessors 7 (448 compute elements)
clock rate 1900 MHz
Automatic parameters
threads per grid 0
optimizing kernels for GCN
Loading binary kernel file mfakto_Kernels.elf
Compiling kernels.
GPUSievePrimes (adjusted) 81206
GPUsieve minimum exponent 1037054
Started a simple self-test ...
######### test case 1/30 (M1031831[63-64]) #########
######### test case 2/30 (M51332417[68-69]) #########
######### test case 3/30 (M50896831[69-70]) #########
######### test case 4/30 (M50979079[70-71]) #########
######### test case 5/30 (M51232133[71-72]) #########
######### test case 6/30 (M50830523[71-72]) #########
######### test case 7/30 (M50752613[72-73]) #########
######### test case 8/30 (M51507913[72-73]) #########
######### test case 9/30 (M51916901[73-74]) #########
######### test case 10/30 (M51157933[74-75]) #########
######### test case 11/30 (M51308501[75-76]) #########
######### test case 12/30 (M51671491[75-76]) #########
######### test case 13/30 (M50805581[77-78]) #########
######### test case 14/30 (M51157429[78-79]) #########
######### test case 15/30 (M51406151[78-79]) #########
######### test case 16/30 (M51478381[79-80]) #########
######### test case 17/30 (M51350527[80-81]) #########
######### test case 18/30 (M53061139[80-81]) #########
######### test case 19/30 (M48629519[81-82]) #########
######### test case 20/30 (M51752893[83-84]) #########
######### test case 21/30 (M51760133[83-84]) #########
######### test case 22/30 (M51090757[84-85]) #########
######### test case 23/30 (M51050171[84-85]) #########
######### test case 24/30 (M50989481[86-87]) #########
######### test case 25/30 (M50856937[86-87]) #########
######### test case 26/30 (M53065231[88-89]) #########
######### test case 27/30 (M3321929777[63-64]) #########
######### test case 28/30 (M3321930841[63-64]) #########
######### test case 29/30 (M55069117[64-65]) #########
######### test case 30/30 (M45448679[81-82]) #########
Self-test statistics
number of tests 30
successful tests 30
self-test PASSED!
got assignment: exp=206445893 bit_min=76 bit_max=77 (74.13 GHz-days)
Starting trial factoring M206445893 from 2^76 to 2^77 (74.13 GHz-days)
Using GPU kernel "cl_barrett15_82_gs_2"
Found a valid checkpoint file.
last finished class was: 4255
no factors found so far.
previous work took 37654488 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Sep 30 08:28 | 4260 92.3% | 42.278 52m09s | 157.81 81206 0.00%
Sep 30 08:29 | 4263 92.4% | 42.322 51m30s | 157.64 81206 0.00%
Sep 30 08:29 | 4267 92.5% | 42.309 50m46s | 157.69 81206 0.00%
Sep 30 08:30 | 4272 92.6% | 60.794 1h11m | 109.75 81206 0.00%
Sep 30 08:31 | 4275 92.7% | 42.251 49m18s | 157.91 81206 0.00%
Sep 30 08:32 | 4276 92.8% | 42.248 48m35s | 157.92 81206 0.00%
Sep 30 08:33 | 4287 92.9% | 42.251 47m53s | 157.91 81206 0.00%
Sep 30 08:33 | 4288 93.0% | 42.257 47m11s | 157.89 81206 0.00%
Sep 30 08:34 | 4296 93.1% | 42.282 46m31s | 157.79 81206 0.00%
Sep 30 08:35 | 4300 93.2% | 42.249 45m46s | 157.92 81206 0.00%
Sep 30 08:35 | 4303 93.3% | 42.249 45m04s | 157.92 81206 0.00%
Sep 30 08:36 | 4308 93.4% | 42.250 44m22s | 157.91 81206 0.00%
Sep 30 08:37 | 4311 93.5% | 42.252 43m40s | 157.91 81206 0.00%
Sep 30 08:37 | 4312 93.6% | 42.249 42m57s | 157.92 81206 0.00%
Sep 30 08:38 | 4315 93.8% | 42.250 42m15s | 157.91 81206 0.00%
Sep 30 08:39 | 4323 93.9% | 42.249 41m33s | 157.92 81206 0.00%
Sep 30 08:40 | 4332 94.0% | 42.252 40m51s | 157.91 81206 0.00%
Sep 30 08:40 | 4336 94.1% | 42.249 40m08s | 157.92 81206 0.00%
Sep 30 08:41 | 4347 94.2% | 42.250 39m26s | 157.91 81206 0.00%
Sep 30 08:42 | 4351 94.3% | 42.251 38m44s | 157.91 81206 0.00%
Sep 30 08:42 | 4356 94.4% | 42.260 38m02s | 157.88 81206 0.00%
Sep 30 08:43 | 4360 94.5% | 42.248 37m19s | 157.92 81206 0.00%
Sep 30 08:44 | 4363 94.6% | 42.249 36m37s | 157.92 81206 0.00%
Sep 30 08:44 | 4371 94.7% | 42.249 35m55s | 157.92 81206 0.00%
Sep 30 08:45 | 4372 94.8% | 42.304 35m15s | 157.71 81206 0.00%
Sep 30 08:46 | 4375 94.9% | 42.249 34m30s | 157.92 81206 0.00%
Sep 30 08:47 | 4380 95.0% | 42.248 33m48s | 157.92 81206 0.00%
Sep 30 08:47 | 4387 95.1% | 42.304 33m08s | 157.71 81206 0.00%
Sep 30 08:48 | 4392 95.2% | 42.248 32m23s | 157.92 81206 0.00%
Sep 30 08:49 | 4395 95.3% | 42.249 31m41s | 157.92 81206 0.00%
Sep 30 08:49 | 4396 95.4% | 42.249 30m59s | 157.92 81206 0.00%
Sep 30 08:50 | 4407 95.5% | 42.248 30m17s | 157.92 81206 0.00%
Sep 30 08:51 | 4408 95.6% | 42.249 29m34s | 157.92 81206 0.00%
2026-09-30 10:12:25 (14436): wrapper (7.24.26018): starting
2026-09-30 10:12:25 (14436): wrapper: running mfakto.exe (-d 0)
2026-09-30 10:12:25 (14436): wrapper: created child process 18008
mfakto 0.16.0-beta.5-Win (64-bit build)
Runtime options
INI file mfakto.ini
Verbosity 1
SieveOnGPU yes
MoreClasses yes
GPUSievePrimes 81157
GPUSieveProcessSize 24 Kib
GPUSieveSize 96 Mib
FlushInterval 0
WorkFile worktodo.txt
ResultsFile results.txt
JSONResultsFile results.json.txt
LogFile mfakto.log
Checkpoints enabled
CheckpointDelay 60 s
Stages disabled
StopAfterFactor bit level
PrintMode compact
Logging disabled
V5UserID none
ComputerID none
TimeStampInResults yes
LegacyResultsTxt no
VectorSize 2
GPUType AUTO
UseBinfile mfakto_Kernels.elf
Compile-time options
Select device - Get device info:
Warning: Unknown GPU name, assuming a GCN (Graphics Core Next) device. Please
post the name to the GIMPS forum or GitHub to have it added to mfakto.
Device name: gfx90c (Advanced Micro Devices, Inc.)
mfakto thread: https://www.mersenneforum.org/node/11037
GitHub: https://github.com/primesearch/mfakto/issues
You can also set GPUType in mfakto.ini to avoid this message.
OpenCL device info
name gfx90c (Advanced Micro Devices, Inc.)
device (driver) version OpenCL 2.0 AMD-APP (3584.0) (3584.0 (PAL,HSAIL))
maximum threads per block 1024
maximum threads per grid 1073741824
number of multiprocessors 7 (448 compute elements)
clock rate 1900 MHz
Automatic parameters
threads per grid 0
optimizing kernels for GCN
Loading binary kernel file mfakto_Kernels.elf
Compiling kernels.
GPUSievePrimes (adjusted) 81206
GPUsieve minimum exponent 1037054
Started a simple self-test ...
######### test case 1/30 (M1031831[63-64]) #########
######### test case 2/30 (M51332417[68-69]) #########
######### test case 3/30 (M50896831[69-70]) #########
######### test case 4/30 (M50979079[70-71]) #########
######### test case 5/30 (M51232133[71-72]) #########
######### test case 6/30 (M50830523[71-72]) #########
######### test case 7/30 (M50752613[72-73]) #########
######### test case 8/30 (M51507913[72-73]) #########
######### test case 9/30 (M51916901[73-74]) #########
######### test case 10/30 (M51157933[74-75]) #########
######### test case 11/30 (M51308501[75-76]) #########
######### test case 12/30 (M51671491[75-76]) #########
######### test case 13/30 (M50805581[77-78]) #########
######### test case 14/30 (M51157429[78-79]) #########
######### test case 15/30 (M51406151[78-79]) #########
######### test case 16/30 (M51478381[79-80]) #########
######### test case 17/30 (M51350527[80-81]) #########
######### test case 18/30 (M53061139[80-81]) #########
######### test case 19/30 (M48629519[81-82]) #########
######### test case 20/30 (M51752893[83-84]) #########
######### test case 21/30 (M51760133[83-84]) #########
######### test case 22/30 (M51090757[84-85]) #########
######### test case 23/30 (M51050171[84-85]) #########
######### test case 24/30 (M50989481[86-87]) #########
######### test case 25/30 (M50856937[86-87]) #########
######### test case 26/30 (M53065231[88-89]) #########
######### test case 27/30 (M3321929777[63-64]) #########
######### test case 28/30 (M3321930841[63-64]) #########
######### test case 29/30 (M55069117[64-65]) #########
######### test case 30/30 (M45448679[81-82]) #########
Self-test statistics
number of tests 30
successful tests 30
self-test PASSED!
got assignment: exp=206445893 bit_min=76 bit_max=77 (74.13 GHz-days)
Starting trial factoring M206445893 from 2^76 to 2^77 (74.13 GHz-days)
Using GPU kernel "cl_barrett15_82_gs_2"
Found a valid checkpoint file.
last finished class was: 4407
no factors found so far.
previous work took 39025335 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Sep 30 10:13 | 4408 95.6% | 42.254 29m35s | 157.90 81206 0.00%
Sep 30 10:13 | 4416 95.7% | 42.328 28m55s | 157.62 81206 0.00%
Sep 30 10:14 | 4420 95.8% | 42.285 28m11s | 157.78 81206 0.00%
Sep 30 10:15 | 4428 95.9% | 42.283 27m29s | 157.79 81206 0.00%
Sep 30 10:15 | 4431 96.0% | 42.266 26m46s | 157.85 81206 0.00%
Sep 30 10:16 | 4435 96.1% | 42.265 26m04s | 157.86 81206 0.00%
Sep 30 10:17 | 4440 96.2% | 42.257 25m21s | 157.89 81206 0.00%
Sep 30 10:18 | 4443 96.4% | 42.273 24m40s | 157.83 81206 0.00%
Sep 30 10:18 | 4447 96.5% | 42.281 23m58s | 157.80 81206 0.00%
Sep 30 10:19 | 4452 96.6% | 42.305 23m16s | 157.71 81206 0.00%
Sep 30 10:20 | 4455 96.7% | 42.296 22m33s | 157.74 81206 0.00%
Sep 30 10:20 | 4468 96.8% | 42.252 21m50s | 157.91 81206 0.00%
Sep 30 10:21 | 4471 96.9% | 42.257 21m08s | 157.89 81206 0.00%
Sep 30 10:22 | 4476 97.0% | 42.265 20m26s | 157.86 81206 0.00%
Sep 30 10:23 | 4480 97.1% | 42.260 19m43s | 157.88 81206 0.00%
Sep 30 10:23 | 4483 97.2% | 42.266 19m01s | 157.85 81206 0.00%
Sep 30 10:24 | 4491 97.3% | 42.262 18m19s | 157.87 81206 0.00%
Sep 30 10:25 | 4492 97.4% | 42.297 17m37s | 157.74 81206 0.00%
Sep 30 10:25 | 4503 97.5% | 42.307 16m55s | 157.70 81206 0.00%
Sep 30 10:26 | 4507 97.6% | 42.282 16m12s | 157.79 81206 0.00%
Sep 30 10:27 | 4512 97.7% | 42.296 15m31s | 157.74 81206 0.00%
2026-09-30 10:32:32 (1592): wrapper (7.24.26018): starting
2026-09-30 10:32:32 (1592): wrapper: running mfakto.exe (-d 0)
2026-09-30 10:32:32 (1592): wrapper: created child process 10368
mfakto 0.16.0-beta.5-Win (64-bit build)
Runtime options
INI file mfakto.ini
Verbosity 1
SieveOnGPU yes
MoreClasses yes
GPUSievePrimes 81157
GPUSieveProcessSize 24 Kib
GPUSieveSize 96 Mib
FlushInterval 0
WorkFile worktodo.txt
ResultsFile results.txt
JSONResultsFile results.json.txt
LogFile mfakto.log
Checkpoints enabled
CheckpointDelay 60 s
Stages disabled
StopAfterFactor bit level
PrintMode compact
Logging disabled
V5UserID none
ComputerID none
TimeStampInResults yes
LegacyResultsTxt no
VectorSize 2
GPUType AUTO
UseBinfile mfakto_Kernels.elf
Compile-time options
Select device - Get device info:
Warning: Unknown GPU name, assuming a GCN (Graphics Core Next) device. Please
post the name to the GIMPS forum or GitHub to have it added to mfakto.
Device name: gfx90c (Advanced Micro Devices, Inc.)
mfakto thread: https://www.mersenneforum.org/node/11037
GitHub: https://github.com/primesearch/mfakto/issues
You can also set GPUType in mfakto.ini to avoid this message.
OpenCL device info
name gfx90c (Advanced Micro Devices, Inc.)
device (driver) version OpenCL 2.0 AMD-APP (3584.0) (3584.0 (PAL,HSAIL))
maximum threads per block 1024
maximum threads per grid 1073741824
number of multiprocessors 7 (448 compute elements)
clock rate 1900 MHz
Automatic parameters
threads per grid 0
optimizing kernels for GCN
Loading binary kernel file mfakto_Kernels.elf
Compiling kernels.
GPUSievePrimes (adjusted) 81206
GPUsieve minimum exponent 1037054
Started a simple self-test ...
######### test case 1/30 (M1031831[63-64]) #########
######### test case 2/30 (M51332417[68-69]) #########
######### test case 3/30 (M50896831[69-70]) #########
######### test case 4/30 (M50979079[70-71]) #########
######### test case 5/30 (M51232133[71-72]) #########
######### test case 6/30 (M50830523[71-72]) #########
######### test case 7/30 (M50752613[72-73]) #########
######### test case 8/30 (M51507913[72-73]) #########
######### test case 9/30 (M51916901[73-74]) #########
######### test case 10/30 (M51157933[74-75]) #########
######### test case 11/30 (M51308501[75-76]) #########
######### test case 12/30 (M51671491[75-76]) #########
######### test case 13/30 (M50805581[77-78]) #########
######### test case 14/30 (M51157429[78-79]) #########
######### test case 15/30 (M51406151[78-79]) #########
######### test case 16/30 (M51478381[79-80]) #########
######### test case 17/30 (M51350527[80-81]) #########
######### test case 18/30 (M53061139[80-81]) #########
######### test case 19/30 (M48629519[81-82]) #########
######### test case 20/30 (M51752893[83-84]) #########
######### test case 21/30 (M51760133[83-84]) #########
######### test case 22/30 (M51090757[84-85]) #########
######### test case 23/30 (M51050171[84-85]) #########
######### test case 24/30 (M50989481[86-87]) #########
######### test case 25/30 (M50856937[86-87]) #########
######### test case 26/30 (M53065231[88-89]) #########
######### test case 27/30 (M3321929777[63-64]) #########
######### test case 28/30 (M3321930841[63-64]) #########
######### test case 29/30 (M55069117[64-65]) #########
######### test case 30/30 (M45448679[81-82]) #########
2026-09-30 10:39:08 (20816): wrapper (7.24.26018): starting
2026-09-30 10:39:08 (20816): wrapper: running mfakto.exe (-d 0)
2026-09-30 10:39:08 (20816): wrapper: created child process 10116
mfakto 0.16.0-beta.5-Win (64-bit build)
Runtime options
INI file mfakto.ini
Verbosity 1
SieveOnGPU yes
MoreClasses yes
GPUSievePrimes 81157
GPUSieveProcessSize 24 Kib
GPUSieveSize 96 Mib
FlushInterval 0
WorkFile worktodo.txt
ResultsFile results.txt
JSONResultsFile results.json.txt
LogFile mfakto.log
Checkpoints enabled
CheckpointDelay 60 s
Stages disabled
StopAfterFactor bit level
PrintMode compact
Logging disabled
V5UserID none
ComputerID none
TimeStampInResults yes
LegacyResultsTxt no
VectorSize 2
GPUType AUTO
UseBinfile mfakto_Kernels.elf
Compile-time options
Select device - Get device info:
Warning: Unknown GPU name, assuming a GCN (Graphics Core Next) device. Please
post the name to the GIMPS forum or GitHub to have it added to mfakto.
Device name: gfx90c (Advanced Micro Devices, Inc.)
mfakto thread: https://www.mersenneforum.org/node/11037
GitHub: https://github.com/primesearch/mfakto/issues
You can also set GPUType in mfakto.ini to avoid this message.
OpenCL device info
name gfx90c (Advanced Micro Devices, Inc.)
device (driver) version OpenCL 2.0 AMD-APP (3584.0) (3584.0 (PAL,HSAIL))
maximum threads per block 1024
maximum threads per grid 1073741824
number of multiprocessors 7 (448 compute elements)
clock rate 1900 MHz
Automatic parameters
threads per grid 0
optimizing kernels for GCN
Loading binary kernel file mfakto_Kernels.elf
Compiling kernels.
GPUSievePrimes (adjusted) 81206
GPUsieve minimum exponent 1037054
Started a simple self-test ...
######### test case 1/30 (M1031831[63-64]) #########
######### test case 2/30 (M51332417[68-69]) #########
######### test case 3/30 (M50896831[69-70]) #########
######### test case 4/30 (M50979079[70-71]) #########
######### test case 5/30 (M51232133[71-72]) #########
######### test case 6/30 (M50830523[71-72]) #########
######### test case 7/30 (M50752613[72-73]) #########
######### test case 8/30 (M51507913[72-73]) #########
######### test case 9/30 (M51916901[73-74]) #########
######### test case 10/30 (M51157933[74-75]) #########
######### test case 11/30 (M51308501[75-76]) #########
######### test case 12/30 (M51671491[75-76]) #########
######### test case 13/30 (M50805581[77-78]) #########
######### test case 14/30 (M51157429[78-79]) #########
######### test case 15/30 (M51406151[78-79]) #########
######### test case 16/30 (M51478381[79-80]) #########
######### test case 17/30 (M51350527[80-81]) #########
######### test case 18/30 (M53061139[80-81]) #########
######### test case 19/30 (M48629519[81-82]) #########
######### test case 20/30 (M51752893[83-84]) #########
######### test case 21/30 (M51760133[83-84]) #########
######### test case 22/30 (M51090757[84-85]) #########
######### test case 23/30 (M51050171[84-85]) #########
######### test case 24/30 (M50989481[86-87]) #########
######### test case 25/30 (M50856937[86-87]) #########
######### test case 26/30 (M53065231[88-89]) #########
######### test case 27/30 (M3321929777[63-64]) #########
######### test case 28/30 (M3321930841[63-64]) #########
######### test case 29/30 (M55069117[64-65]) #########
######### test case 30/30 (M45448679[81-82]) #########
Self-test statistics
number of tests 30
successful tests 30
self-test PASSED!
got assignment: exp=206445893 bit_min=76 bit_max=77 (74.13 GHz-days)
Starting trial factoring M206445893 from 2^76 to 2^77 (74.13 GHz-days)
Using GPU kernel "cl_barrett15_82_gs_2"
Found a valid checkpoint file.
last finished class was: 4507
no factors found so far.
previous work took 39870876 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Sep 30 10:39 | 4512 97.7% | 42.252 15m30s | 157.91 81206 0.00%
Sep 30 10:40 | 4515 97.8% | 42.317 14m49s | 157.66 81206 0.00%
Sep 30 10:41 | 4527 97.9% | 42.258 14m05s | 157.88 81206 0.00%
Sep 30 10:41 | 4528 98.0% | 42.262 13m23s | 157.87 81206 0.00%
Sep 30 10:42 | 4531 98.1% | 42.291 12m41s | 157.76 81206 0.00%
Sep 30 10:43 | 4536 98.2% | 42.301 11m59s | 157.72 81206 0.00%
Sep 30 10:44 | 4540 98.3% | 42.278 11m16s | 157.81 81206 0.00%
Sep 30 10:44 | 4543 98.4% | 42.270 10m34s | 157.84 81206 0.00%
2026-09-30 10:47:53 (20772): wrapper (7.24.26018): starting
2026-09-30 10:47:53 (20772): wrapper: running mfakto.exe (-d 0)
2026-09-30 10:47:53 (20772): wrapper: created child process 12540
mfakto 0.16.0-beta.5-Win (64-bit build)
Runtime options
INI file mfakto.ini
Verbosity 1
SieveOnGPU yes
MoreClasses yes
GPUSievePrimes 81157
GPUSieveProcessSize 24 Kib
GPUSieveSize 96 Mib
FlushInterval 0
WorkFile worktodo.txt
ResultsFile results.txt
JSONResultsFile results.json.txt
LogFile mfakto.log
Checkpoints enabled
CheckpointDelay 60 s
Stages disabled
StopAfterFactor bit level
PrintMode compact
Logging disabled
V5UserID none
ComputerID none
TimeStampInResults yes
LegacyResultsTxt no
VectorSize 2
GPUType AUTO
UseBinfile mfakto_Kernels.elf
Compile-time options
Select device - Get device info:
Warning: Unknown GPU name, assuming a GCN (Graphics Core Next) device. Please
post the name to the GIMPS forum or GitHub to have it added to mfakto.
Device name: gfx90c (Advanced Micro Devices, Inc.)
mfakto thread: https://www.mersenneforum.org/node/11037
GitHub: https://github.com/primesearch/mfakto/issues
You can also set GPUType in mfakto.ini to avoid this message.
OpenCL device info
name gfx90c (Advanced Micro Devices, Inc.)
device (driver) version OpenCL 2.0 AMD-APP (3584.0) (3584.0 (PAL,HSAIL))
maximum threads per block 1024
maximum threads per grid 1073741824
number of multiprocessors 7 (448 compute elements)
clock rate 1900 MHz
Automatic parameters
threads per grid 0
optimizing kernels for GCN
Loading binary kernel file mfakto_Kernels.elf
Compiling kernels.
GPUSievePrimes (adjusted) 81206
GPUsieve minimum exponent 1037054
Started a simple self-test ...
######### test case 1/30 (M1031831[63-64]) #########
######### test case 2/30 (M51332417[68-69]) #########
######### test case 3/30 (M50896831[69-70]) #########
######### test case 4/30 (M50979079[70-71]) #########
######### test case 5/30 (M51232133[71-72]) #########
######### test case 6/30 (M50830523[71-72]) #########
######### test case 7/30 (M50752613[72-73]) #########
######### test case 8/30 (M51507913[72-73]) #########
######### test case 9/30 (M51916901[73-74]) #########
######### test case 10/30 (M51157933[74-75]) #########
######### test case 11/30 (M51308501[75-76]) #########
######### test case 12/30 (M51671491[75-76]) #########
######### test case 13/30 (M50805581[77-78]) #########
######### test case 14/30 (M51157429[78-79]) #########
######### test case 15/30 (M51406151[78-79]) #########
######### test case 16/30 (M51478381[79-80]) #########
######### test case 17/30 (M51350527[80-81]) #########
######### test case 18/30 (M53061139[80-81]) #########
######### test case 19/30 (M48629519[81-82]) #########
######### test case 20/30 (M51752893[83-84]) #########
######### test case 21/30 (M51760133[83-84]) #########
######### test case 22/30 (M51090757[84-85]) #########
######### test case 23/30 (M51050171[84-85]) #########
######### test case 24/30 (M50989481[86-87]) #########
######### test case 25/30 (M50856937[86-87]) #########
######### test case 26/30 (M53065231[88-89]) #########
######### test case 27/30 (M3321929777[63-64]) #########
######### test case 28/30 (M3321930841[63-64]) #########
######### test case 29/30 (M55069117[64-65]) #########
######### test case 30/30 (M45448679[81-82]) #########
2026-09-30 11:06:47 (9372): wrapper (7.24.26018): starting
2026-09-30 11:06:47 (9372): wrapper: running mfakto.exe (-d 0)
2026-09-30 11:06:47 (9372): wrapper: created child process 9256
mfakto 0.16.0-beta.5-Win (64-bit build)
Runtime options
INI file mfakto.ini
Verbosity 1
SieveOnGPU yes
MoreClasses yes
GPUSievePrimes 81157
GPUSieveProcessSize 24 Kib
GPUSieveSize 96 Mib
FlushInterval 0
WorkFile worktodo.txt
ResultsFile results.txt
JSONResultsFile results.json.txt
LogFile mfakto.log
Checkpoints enabled
CheckpointDelay 60 s
Stages disabled
StopAfterFactor bit level
PrintMode compact
Logging disabled
V5UserID none
ComputerID none
TimeStampInResults yes
LegacyResultsTxt no
VectorSize 2
GPUType AUTO
UseBinfile mfakto_Kernels.elf
Compile-time options
Select device - Get device info:
Warning: Unknown GPU name, assuming a GCN (Graphics Core Next) device. Please
post the name to the GIMPS forum or GitHub to have it added to mfakto.
Device name: gfx90c (Advanced Micro Devices, Inc.)
mfakto thread: https://www.mersenneforum.org/node/11037
GitHub: https://github.com/primesearch/mfakto/issues
You can also set GPUType in mfakto.ini to avoid this message.
OpenCL device info
name gfx90c (Advanced Micro Devices, Inc.)
device (driver) version OpenCL 2.0 AMD-APP (3584.0) (3584.0 (PAL,HSAIL))
maximum threads per block 1024
maximum threads per grid 1073741824
number of multiprocessors 7 (448 compute elements)
clock rate 1900 MHz
Automatic parameters
threads per grid 0
optimizing kernels for GCN
Loading binary kernel file mfakto_Kernels.elf
Compiling kernels.
GPUSievePrimes (adjusted) 81206
GPUsieve minimum exponent 1037054
Started a simple self-test ...
######### test case 1/30 (M1031831[63-64]) #########
######### test case 2/30 (M51332417[68-69]) #########
######### test case 3/30 (M50896831[69-70]) #########
######### test case 4/30 (M50979079[70-71]) #########
######### test case 5/30 (M51232133[71-72]) #########
######### test case 6/30 (M50830523[71-72]) #########
######### test case 7/30 (M50752613[72-73]) #########
######### test case 8/30 (M51507913[72-73]) #########
######### test case 9/30 (M51916901[73-74]) #########
######### test case 10/30 (M51157933[74-75]) #########
######### test case 11/30 (M51308501[75-76]) #########
######### test case 12/30 (M51671491[75-76]) #########
######### test case 13/30 (M50805581[77-78]) #########
######### test case 14/30 (M51157429[78-79]) #########
######### test case 15/30 (M51406151[78-79]) #########
######### test case 16/30 (M51478381[79-80]) #########
######### test case 17/30 (M51350527[80-81]) #########
######### test case 18/30 (M53061139[80-81]) #########
######### test case 19/30 (M48629519[81-82]) #########
######### test case 20/30 (M51752893[83-84]) #########
######### test case 21/30 (M51760133[83-84]) #########
######### test case 22/30 (M51090757[84-85]) #########
######### test case 23/30 (M51050171[84-85]) #########
######### test case 24/30 (M50989481[86-87]) #########
######### test case 25/30 (M50856937[86-87]) #########
######### test case 26/30 (M53065231[88-89]) #########
######### test case 27/30 (M3321929777[63-64]) #########
######### test case 28/30 (M3321930841[63-64]) #########
######### test case 29/30 (M55069117[64-65]) #########
######### test case 30/30 (M45448679[81-82]) #########
Self-test statistics
number of tests 30
successful tests 30
self-test PASSED!
got assignment: exp=206445893 bit_min=76 bit_max=77 (74.13 GHz-days)
Starting trial factoring M206445893 from 2^76 to 2^77 (74.13 GHz-days)
Using GPU kernel "cl_barrett15_82_gs_2"
Found a valid checkpoint file.
last finished class was: 4543
no factors found so far.
previous work took 40209105 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Sep 30 11:07 | 4548 98.5% | 42.251 9m52s | 157.91 81206 0.00%
2026-09-30 11:39:54 (13424): wrapper (7.24.26018): starting
2026-09-30 11:39:54 (13424): wrapper: running mfakto.exe (-d 0)
2026-09-30 11:39:54 (13424): wrapper: created child process 11436
mfakto 0.16.0-beta.5-Win (64-bit build)
Runtime options
INI file mfakto.ini
Verbosity 1
SieveOnGPU yes
MoreClasses yes
GPUSievePrimes 81157
GPUSieveProcessSize 24 Kib
GPUSieveSize 96 Mib
FlushInterval 0
WorkFile worktodo.txt
ResultsFile results.txt
JSONResultsFile results.json.txt
LogFile mfakto.log
Checkpoints enabled
CheckpointDelay 60 s
Stages disabled
StopAfterFactor bit level
PrintMode compact
Logging disabled
V5UserID none
ComputerID none
TimeStampInResults yes
LegacyResultsTxt no
VectorSize 2
GPUType AUTO
UseBinfile mfakto_Kernels.elf
Compile-time options
Select device - Get device info:
Warning: Unknown GPU name, assuming a GCN (Graphics Core Next) device. Please
post the name to the GIMPS forum or GitHub to have it added to mfakto.
Device name: gfx90c (Advanced Micro Devices, Inc.)
mfakto thread: https://www.mersenneforum.org/node/11037
GitHub: https://github.com/primesearch/mfakto/issues
You can also set GPUType in mfakto.ini to avoid this message.
OpenCL device info
name gfx90c (Advanced Micro Devices, Inc.)
device (driver) version OpenCL 2.0 AMD-APP (3584.0) (3584.0 (PAL,HSAIL))
maximum threads per block 1024
maximum threads per grid 1073741824
number of multiprocessors 7 (448 compute elements)
clock rate 1900 MHz
Automatic parameters
threads per grid 0
optimizing kernels for GCN
Loading binary kernel file mfakto_Kernels.elf
Compiling kernels.
GPUSievePrimes (adjusted) 81206
GPUsieve minimum exponent 1037054
Started a simple self-test ...
######### test case 1/30 (M1031831[63-64]) #########
######### test case 2/30 (M51332417[68-69]) #########
######### test case 3/30 (M50896831[69-70]) #########
######### test case 4/30 (M50979079[70-71]) #########
######### test case 5/30 (M51232133[71-72]) #########
######### test case 6/30 (M50830523[71-72]) #########
######### test case 7/30 (M50752613[72-73]) #########
######### test case 8/30 (M51507913[72-73]) #########
######### test case 9/30 (M51916901[73-74]) #########
######### test case 10/30 (M51157933[74-75]) #########
######### test case 11/30 (M51308501[75-76]) #########
######### test case 12/30 (M51671491[75-76]) #########
######### test case 13/30 (M50805581[77-78]) #########
######### test case 14/30 (M51157429[78-79]) #########
######### test case 15/30 (M51406151[78-79]) #########
######### test case 16/30 (M51478381[79-80]) #########
######### test case 17/30 (M51350527[80-81]) #########
######### test case 18/30 (M53061139[80-81]) #########
######### test case 19/30 (M48629519[81-82]) #########
######### test case 20/30 (M51752893[83-84]) #########
######### test case 21/30 (M51760133[83-84]) #########
######### test case 22/30 (M51090757[84-85]) #########
######### test case 23/30 (M51050171[84-85]) #########
######### test case 24/30 (M50989481[86-87]) #########
######### test case 25/30 (M50856937[86-87]) #########
######### test case 26/30 (M53065231[88-89]) #########
######### test case 27/30 (M3321929777[63-64]) #########
######### test case 28/30 (M3321930841[63-64]) #########
######### test case 29/30 (M55069117[64-65]) #########
######### test case 30/30 (M45448679[81-82]) #########
2026-09-30 11:43:10 (10440): wrapper (7.24.26018): starting
2026-09-30 11:43:10 (10440): wrapper: running mfakto.exe (-d 0)
2026-09-30 11:43:10 (10440): wrapper: created child process 4248
mfakto 0.16.0-beta.5-Win (64-bit build)
Runtime options
INI file mfakto.ini
Verbosity 1
SieveOnGPU yes
MoreClasses yes
GPUSievePrimes 81157
GPUSieveProcessSize 24 Kib
GPUSieveSize 96 Mib
FlushInterval 0
WorkFile worktodo.txt
ResultsFile results.txt
JSONResultsFile results.json.txt
LogFile mfakto.log
Checkpoints enabled
CheckpointDelay 60 s
Stages disabled
StopAfterFactor bit level
PrintMode compact
Logging disabled
V5UserID none
ComputerID none
TimeStampInResults yes
LegacyResultsTxt no
VectorSize 2
GPUType AUTO
UseBinfile mfakto_Kernels.elf
Compile-time options
Select device - Get device info:
Warning: Unknown GPU name, assuming a GCN (Graphics Core Next) device. Please
post the name to the GIMPS forum or GitHub to have it added to mfakto.
Device name: gfx90c (Advanced Micro Devices, Inc.)
mfakto thread: https://www.mersenneforum.org/node/11037
GitHub: https://github.com/primesearch/mfakto/issues
You can also set GPUType in mfakto.ini to avoid this message.
OpenCL device info
name gfx90c (Advanced Micro Devices, Inc.)
device (driver) version OpenCL 2.0 AMD-APP (3584.0) (3584.0 (PAL,HSAIL))
maximum threads per block 1024
maximum threads per grid 1073741824
number of multiprocessors 7 (448 compute elements)
clock rate 1900 MHz
Automatic parameters
threads per grid 0
optimizing kernels for GCN
Loading binary kernel file mfakto_Kernels.elf
Compiling kernels.
GPUSievePrimes (adjusted) 81206
GPUsieve minimum exponent 1037054
Started a simple self-test ...
######### test case 1/30 (M1031831[63-64]) #########
######### test case 2/30 (M51332417[68-69]) #########
######### test case 3/30 (M50896831[69-70]) #########
######### test case 4/30 (M50979079[70-71]) #########
######### test case 5/30 (M51232133[71-72]) #########
######### test case 6/30 (M50830523[71-72]) #########
######### test case 7/30 (M50752613[72-73]) #########
######### test case 8/30 (M51507913[72-73]) #########
######### test case 9/30 (M51916901[73-74]) #########
######### test case 10/30 (M51157933[74-75]) #########
######### test case 11/30 (M51308501[75-76]) #########
######### test case 12/30 (M51671491[75-76]) #########
######### test case 13/30 (M50805581[77-78]) #########
######### test case 14/30 (M51157429[78-79]) #########
######### test case 15/30 (M51406151[78-79]) #########
######### test case 16/30 (M51478381[79-80]) #########
######### test case 17/30 (M51350527[80-81]) #########
######### test case 18/30 (M53061139[80-81]) #########
######### test case 19/30 (M48629519[81-82]) #########
######### test case 20/30 (M51752893[83-84]) #########
######### test case 21/30 (M51760133[83-84]) #########
######### test case 22/30 (M51090757[84-85]) #########
######### test case 23/30 (M51050171[84-85]) #########
######### test case 24/30 (M50989481[86-87]) #########
######### test case 25/30 (M50856937[86-87]) #########
######### test case 26/30 (M53065231[88-89]) #########
######### test case 27/30 (M3321929777[63-64]) #########
######### test case 28/30 (M3321930841[63-64]) #########
######### test case 29/30 (M55069117[64-65]) #########
######### test case 30/30 (M45448679[81-82]) #########
Self-test statistics
number of tests 30
successful tests 30
self-test PASSED!
got assignment: exp=206445893 bit_min=76 bit_max=77 (74.13 GHz-days)
Starting trial factoring M206445893 from 2^76 to 2^77 (74.13 GHz-days)
Using GPU kernel "cl_barrett15_82_gs_2"
Found a valid checkpoint file.
last finished class was: 4543
no factors found so far.
previous work took 40209105 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Sep 30 11:43 | 4548 98.5% | 42.250 9m52s | 157.91 81206 0.00%
Sep 30 11:44 | 4552 98.6% | 42.335 9m10s | 157.60 81206 0.00%
2026-09-30 11:47:47 (21144): wrapper (7.24.26018): starting
2026-09-30 11:47:47 (21144): wrapper: running mfakto.exe (-d 0)
2026-09-30 11:47:47 (21144): wrapper: created child process 4508
mfakto 0.16.0-beta.5-Win (64-bit build)
Runtime options
INI file mfakto.ini
Verbosity 1
SieveOnGPU yes
MoreClasses yes
GPUSievePrimes 81157
GPUSieveProcessSize 24 Kib
GPUSieveSize 96 Mib
FlushInterval 0
WorkFile worktodo.txt
ResultsFile results.txt
JSONResultsFile results.json.txt
LogFile mfakto.log
Checkpoints enabled
CheckpointDelay 60 s
Stages disabled
StopAfterFactor bit level
PrintMode compact
Logging disabled
V5UserID none
ComputerID none
TimeStampInResults yes
LegacyResultsTxt no
VectorSize 2
GPUType AUTO
UseBinfile mfakto_Kernels.elf
Compile-time options
Select device - Get device info:
Warning: Unknown GPU name, assuming a GCN (Graphics Core Next) device. Please
post the name to the GIMPS forum or GitHub to have it added to mfakto.
Device name: gfx90c (Advanced Micro Devices, Inc.)
mfakto thread: https://www.mersenneforum.org/node/11037
GitHub: https://github.com/primesearch/mfakto/issues
You can also set GPUType in mfakto.ini to avoid this message.
OpenCL device info
name gfx90c (Advanced Micro Devices, Inc.)
device (driver) version OpenCL 2.0 AMD-APP (3584.0) (3584.0 (PAL,HSAIL))
maximum threads per block 1024
maximum threads per grid 1073741824
number of multiprocessors 7 (448 compute elements)
clock rate 1900 MHz
Automatic parameters
threads per grid 0
optimizing kernels for GCN
Loading binary kernel file mfakto_Kernels.elf
Compiling kernels.
GPUSievePrimes (adjusted) 81206
GPUsieve minimum exponent 1037054
Started a simple self-test ...
######### test case 1/30 (M1031831[63-64]) #########
######### test case 2/30 (M51332417[68-69]) #########
######### test case 3/30 (M50896831[69-70]) #########
######### test case 4/30 (M50979079[70-71]) #########
######### test case 5/30 (M51232133[71-72]) #########
######### test case 6/30 (M50830523[71-72]) #########
######### test case 7/30 (M50752613[72-73]) #########
######### test case 8/30 (M51507913[72-73]) #########
######### test case 9/30 (M51916901[73-74]) #########
######### test case 10/30 (M51157933[74-75]) #########
######### test case 11/30 (M51308501[75-76]) #########
######### test case 12/30 (M51671491[75-76]) #########
######### test case 13/30 (M50805581[77-78]) #########
######### test case 14/30 (M51157429[78-79]) #########
######### test case 15/30 (M51406151[78-79]) #########
######### test case 16/30 (M51478381[79-80]) #########
######### test case 17/30 (M51350527[80-81]) #########
######### test case 18/30 (M53061139[80-81]) #########
######### test case 19/30 (M48629519[81-82]) #########
######### test case 20/30 (M51752893[83-84]) #########
######### test case 21/30 (M51760133[83-84]) #########
######### test case 22/30 (M51090757[84-85]) #########
######### test case 23/30 (M51050171[84-85]) #########
######### test case 24/30 (M50989481[86-87]) #########
######### test case 25/30 (M50856937[86-87]) #########
######### test case 26/30 (M53065231[88-89]) #########
######### test case 27/30 (M3321929777[63-64]) #########
######### test case 28/30 (M3321930841[63-64]) #########
######### test case 29/30 (M55069117[64-65]) #########
######### test case 30/30 (M45448679[81-82]) #########
Self-test statistics
number of tests 30
successful tests 30
self-test PASSED!
got assignment: exp=206445893 bit_min=76 bit_max=77 (74.13 GHz-days)
Starting trial factoring M206445893 from 2^76 to 2^77 (74.13 GHz-days)
Using GPU kernel "cl_barrett15_82_gs_2"
Found a valid checkpoint file.
last finished class was: 4552
no factors found so far.
previous work took 40293690 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Sep 30 11:48 | 4560 98.8% | 42.253 8m27s | 157.90 81206 0.00%
2026-09-30 11:54:52 (13128): wrapper (7.24.26018): starting
2026-09-30 11:54:52 (13128): wrapper: running mfakto.exe (-d 0)
2026-09-30 11:54:52 (13128): wrapper: created child process 12464
mfakto 0.16.0-beta.5-Win (64-bit build)
Runtime options
INI file mfakto.ini
Verbosity 1
SieveOnGPU yes
MoreClasses yes
GPUSievePrimes 81157
GPUSieveProcessSize 24 Kib
GPUSieveSize 96 Mib
FlushInterval 0
WorkFile worktodo.txt
ResultsFile results.txt
JSONResultsFile results.json.txt
LogFile mfakto.log
Checkpoints enabled
CheckpointDelay 60 s
Stages disabled
StopAfterFactor bit level
PrintMode compact
Logging disabled
V5UserID none
ComputerID none
TimeStampInResults yes
LegacyResultsTxt no
VectorSize 2
GPUType AUTO
UseBinfile mfakto_Kernels.elf
Compile-time options
Select device - Get device info:
Warning: Unknown GPU name, assuming a GCN (Graphics Core Next) device. Please
post the name to the GIMPS forum or GitHub to have it added to mfakto.
Device name: gfx90c (Advanced Micro Devices, Inc.)
mfakto thread: https://www.mersenneforum.org/node/11037
GitHub: https://github.com/primesearch/mfakto/issues
You can also set GPUType in mfakto.ini to avoid this message.
OpenCL device info
name gfx90c (Advanced Micro Devices, Inc.)
device (driver) version OpenCL 2.0 AMD-APP (3584.0) (3584.0 (PAL,HSAIL))
maximum threads per block 1024
maximum threads per grid 1073741824
number of multiprocessors 7 (448 compute elements)
clock rate 1900 MHz
Automatic parameters
threads per grid 0
optimizing kernels for GCN
Loading binary kernel file mfakto_Kernels.elf
Compiling kernels.
GPUSievePrimes (adjusted) 81206
GPUsieve minimum exponent 1037054
Started a simple self-test ...
######### test case 1/30 (M1031831[63-64]) #########
######### test case 2/30 (M51332417[68-69]) #########
######### test case 3/30 (M50896831[69-70]) #########
######### test case 4/30 (M50979079[70-71]) #########
######### test case 5/30 (M51232133[71-72]) #########
######### test case 6/30 (M50830523[71-72]) #########
######### test case 7/30 (M50752613[72-73]) #########
######### test case 8/30 (M51507913[72-73]) #########
######### test case 9/30 (M51916901[73-74]) #########
######### test case 10/30 (M51157933[74-75]) #########
######### test case 11/30 (M51308501[75-76]) #########
######### test case 12/30 (M51671491[75-76]) #########
######### test case 13/30 (M50805581[77-78]) #########
######### test case 14/30 (M51157429[78-79]) #########
######### test case 15/30 (M51406151[78-79]) #########
######### test case 16/30 (M51478381[79-80]) #########
######### test case 17/30 (M51350527[80-81]) #########
######### test case 18/30 (M53061139[80-81]) #########
######### test case 19/30 (M48629519[81-82]) #########
######### test case 20/30 (M51752893[83-84]) #########
######### test case 21/30 (M51760133[83-84]) #########
######### test case 22/30 (M51090757[84-85]) #########
######### test case 23/30 (M51050171[84-85]) #########
######### test case 24/30 (M50989481[86-87]) #########
######### test case 25/30 (M50856937[86-87]) #########
######### test case 26/30 (M53065231[88-89]) #########
######### test case 27/30 (M3321929777[63-64]) #########
######### test case 28/30 (M3321930841[63-64]) #########
######### test case 29/30 (M55069117[64-65]) #########
######### test case 30/30 (M45448679[81-82]) #########
Self-test statistics
number of tests 30
successful tests 30
self-test PASSED!
got assignment: exp=206445893 bit_min=76 bit_max=77 (74.13 GHz-days)
Starting trial factoring M206445893 from 2^76 to 2^77 (74.13 GHz-days)
Using GPU kernel "cl_barrett15_82_gs_2"
Found a valid checkpoint file.
last finished class was: 4552
no factors found so far.
previous work took 40293690 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Sep 30 11:55 | 4560 98.8% | 42.252 8m27s | 157.91 81206 0.00%
2026-09-30 12:01:59 (19484): wrapper (7.24.26018): starting
2026-09-30 12:01:59 (19484): wrapper: running mfakto.exe (-d 0)
2026-09-30 12:01:59 (19484): wrapper: created child process 7388
mfakto 0.16.0-beta.5-Win (64-bit build)
Runtime options
INI file mfakto.ini
Verbosity 1
SieveOnGPU yes
MoreClasses yes
GPUSievePrimes 81157
GPUSieveProcessSize 24 Kib
GPUSieveSize 96 Mib
FlushInterval 0
WorkFile worktodo.txt
ResultsFile results.txt
JSONResultsFile results.json.txt
LogFile mfakto.log
Checkpoints enabled
CheckpointDelay 60 s
Stages disabled
StopAfterFactor bit level
PrintMode compact
Logging disabled
V5UserID none
ComputerID none
TimeStampInResults yes
LegacyResultsTxt no
VectorSize 2
GPUType AUTO
UseBinfile mfakto_Kernels.elf
Compile-time options
Select device - Get device info:
Warning: Unknown GPU name, assuming a GCN (Graphics Core Next) device. Please
post the name to the GIMPS forum or GitHub to have it added to mfakto.
Device name: gfx90c (Advanced Micro Devices, Inc.)
mfakto thread: https://www.mersenneforum.org/node/11037
GitHub: https://github.com/primesearch/mfakto/issues
You can also set GPUType in mfakto.ini to avoid this message.
OpenCL device info
name gfx90c (Advanced Micro Devices, Inc.)
device (driver) version OpenCL 2.0 AMD-APP (3584.0) (3584.0 (PAL,HSAIL))
maximum threads per block 1024
maximum threads per grid 1073741824
number of multiprocessors 7 (448 compute elements)
clock rate 1900 MHz
Automatic parameters
threads per grid 0
optimizing kernels for GCN
Loading binary kernel file mfakto_Kernels.elf
Compiling kernels.
GPUSievePrimes (adjusted) 81206
GPUsieve minimum exponent 1037054
Started a simple self-test ...
######### test case 1/30 (M1031831[63-64]) #########
######### test case 2/30 (M51332417[68-69]) #########
######### test case 3/30 (M50896831[69-70]) #########
######### test case 4/30 (M50979079[70-71]) #########
######### test case 5/30 (M51232133[71-72]) #########
######### test case 6/30 (M50830523[71-72]) #########
######### test case 7/30 (M50752613[72-73]) #########
######### test case 8/30 (M51507913[72-73]) #########
######### test case 9/30 (M51916901[73-74]) #########
######### test case 10/30 (M51157933[74-75]) #########
######### test case 11/30 (M51308501[75-76]) #########
######### test case 12/30 (M51671491[75-76]) #########
######### test case 13/30 (M50805581[77-78]) #########
######### test case 14/30 (M51157429[78-79]) #########
######### test case 15/30 (M51406151[78-79]) #########
######### test case 16/30 (M51478381[79-80]) #########
######### test case 17/30 (M51350527[80-81]) #########
######### test case 18/30 (M53061139[80-81]) #########
######### test case 19/30 (M48629519[81-82]) #########
######### test case 20/30 (M51752893[83-84]) #########
######### test case 21/30 (M51760133[83-84]) #########
######### test case 22/30 (M51090757[84-85]) #########
######### test case 23/30 (M51050171[84-85]) #########
######### test case 24/30 (M50989481[86-87]) #########
######### test case 25/30 (M50856937[86-87]) #########
######### test case 26/30 (M53065231[88-89]) #########
######### test case 27/30 (M3321929777[63-64]) #########
######### test case 28/30 (M3321930841[63-64]) #########
######### test case 29/30 (M55069117[64-65]) #########
######### test case 30/30 (M45448679[81-82]) #########
2026-09-30 12:05:23 (20816): wrapper (7.24.26018): starting
2026-09-30 12:05:23 (20816): wrapper: running mfakto.exe (-d 0)
2026-09-30 12:05:23 (20816): wrapper: created child process 2588
mfakto 0.16.0-beta.5-Win (64-bit build)
Runtime options
INI file mfakto.ini
Verbosity 1
SieveOnGPU yes
MoreClasses yes
GPUSievePrimes 81157
GPUSieveProcessSize 24 Kib
GPUSieveSize 96 Mib
FlushInterval 0
WorkFile worktodo.txt
ResultsFile results.txt
JSONResultsFile results.json.txt
LogFile mfakto.log
Checkpoints enabled
CheckpointDelay 60 s
Stages disabled
StopAfterFactor bit level
PrintMode compact
Logging disabled
V5UserID none
ComputerID none
TimeStampInResults yes
LegacyResultsTxt no
VectorSize 2
GPUType AUTO
UseBinfile mfakto_Kernels.elf
Compile-time options
Select device - Get device info:
Warning: Unknown GPU name, assuming a GCN (Graphics Core Next) device. Please
post the name to the GIMPS forum or GitHub to have it added to mfakto.
Device name: gfx90c (Advanced Micro Devices, Inc.)
mfakto thread: https://www.mersenneforum.org/node/11037
GitHub: https://github.com/primesearch/mfakto/issues
You can also set GPUType in mfakto.ini to avoid this message.
OpenCL device info
name gfx90c (Advanced Micro Devices, Inc.)
device (driver) version OpenCL 2.0 AMD-APP (3584.0) (3584.0 (PAL,HSAIL))
maximum threads per block 1024
maximum threads per grid 1073741824
number of multiprocessors 7 (448 compute elements)
clock rate 1900 MHz
Automatic parameters
threads per grid 0
optimizing kernels for GCN
Loading binary kernel file mfakto_Kernels.elf
Compiling kernels.
GPUSievePrimes (adjusted) 81206
GPUsieve minimum exponent 1037054
Started a simple self-test ...
######### test case 1/30 (M1031831[63-64]) #########
######### test case 2/30 (M51332417[68-69]) #########
######### test case 3/30 (M50896831[69-70]) #########
######### test case 4/30 (M50979079[70-71]) #########
######### test case 5/30 (M51232133[71-72]) #########
######### test case 6/30 (M50830523[71-72]) #########
######### test case 7/30 (M50752613[72-73]) #########
######### test case 8/30 (M51507913[72-73]) #########
######### test case 9/30 (M51916901[73-74]) #########
######### test case 10/30 (M51157933[74-75]) #########
######### test case 11/30 (M51308501[75-76]) #########
######### test case 12/30 (M51671491[75-76]) #########
######### test case 13/30 (M50805581[77-78]) #########
######### test case 14/30 (M51157429[78-79]) #########
######### test case 15/30 (M51406151[78-79]) #########
######### test case 16/30 (M51478381[79-80]) #########
######### test case 17/30 (M51350527[80-81]) #########
######### test case 18/30 (M53061139[80-81]) #########
######### test case 19/30 (M48629519[81-82]) #########
######### test case 20/30 (M51752893[83-84]) #########
######### test case 21/30 (M51760133[83-84]) #########
######### test case 22/30 (M51090757[84-85]) #########
######### test case 23/30 (M51050171[84-85]) #########
######### test case 24/30 (M50989481[86-87]) #########
######### test case 25/30 (M50856937[86-87]) #########
######### test case 26/30 (M53065231[88-89]) #########
######### test case 27/30 (M3321929777[63-64]) #########
######### test case 28/30 (M3321930841[63-64]) #########
######### test case 29/30 (M55069117[64-65]) #########
######### test case 30/30 (M45448679[81-82]) #########
Self-test statistics
number of tests 30
successful tests 30
self-test PASSED!
got assignment: exp=206445893 bit_min=76 bit_max=77 (74.13 GHz-days)
Starting trial factoring M206445893 from 2^76 to 2^77 (74.13 GHz-days)
Using GPU kernel "cl_barrett15_82_gs_2"
Found a valid checkpoint file.
last finished class was: 4552
no factors found so far.
previous work took 40293690 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Sep 30 12:06 | 4560 98.8% | 42.254 8m27s | 157.90 81206 0.00%
Sep 30 12:06 | 4563 98.9% | 42.325 7m46s | 157.63 81206 0.00%
Sep 30 12:07 | 4567 99.0% | 42.299 7m03s | 157.73 81206 0.00%
2026-09-30 12:11:02 (11980): wrapper (7.24.26018): starting
2026-09-30 12:11:02 (11980): wrapper: running mfakto.exe (-d 0)
2026-09-30 12:11:02 (11980): wrapper: created child process 16684
mfakto 0.16.0-beta.5-Win (64-bit build)
Runtime options
INI file mfakto.ini
Verbosity 1
SieveOnGPU yes
MoreClasses yes
GPUSievePrimes 81157
GPUSieveProcessSize 24 Kib
GPUSieveSize 96 Mib
FlushInterval 0
WorkFile worktodo.txt
ResultsFile results.txt
JSONResultsFile results.json.txt
LogFile mfakto.log
Checkpoints enabled
CheckpointDelay 60 s
Stages disabled
StopAfterFactor bit level
PrintMode compact
Logging disabled
V5UserID none
ComputerID none
TimeStampInResults yes
LegacyResultsTxt no
VectorSize 2
GPUType AUTO
UseBinfile mfakto_Kernels.elf
Compile-time options
Select device - Get device info:
Warning: Unknown GPU name, assuming a GCN (Graphics Core Next) device. Please
post the name to the GIMPS forum or GitHub to have it added to mfakto.
Device name: gfx90c (Advanced Micro Devices, Inc.)
mfakto thread: https://www.mersenneforum.org/node/11037
GitHub: https://github.com/primesearch/mfakto/issues
You can also set GPUType in mfakto.ini to avoid this message.
OpenCL device info
name gfx90c (Advanced Micro Devices, Inc.)
device (driver) version OpenCL 2.0 AMD-APP (3584.0) (3584.0 (PAL,HSAIL))
maximum threads per block 1024
maximum threads per grid 1073741824
number of multiprocessors 7 (448 compute elements)
clock rate 1900 MHz
Automatic parameters
threads per grid 0
optimizing kernels for GCN
Loading binary kernel file mfakto_Kernels.elf
Compiling kernels.
GPUSievePrimes (adjusted) 81206
GPUsieve minimum exponent 1037054
Started a simple self-test ...
######### test case 1/30 (M1031831[63-64]) #########
######### test case 2/30 (M51332417[68-69]) #########
######### test case 3/30 (M50896831[69-70]) #########
######### test case 4/30 (M50979079[70-71]) #########
######### test case 5/30 (M51232133[71-72]) #########
######### test case 6/30 (M50830523[71-72]) #########
######### test case 7/30 (M50752613[72-73]) #########
######### test case 8/30 (M51507913[72-73]) #########
######### test case 9/30 (M51916901[73-74]) #########
######### test case 10/30 (M51157933[74-75]) #########
######### test case 11/30 (M51308501[75-76]) #########
######### test case 12/30 (M51671491[75-76]) #########
######### test case 13/30 (M50805581[77-78]) #########
######### test case 14/30 (M51157429[78-79]) #########
######### test case 15/30 (M51406151[78-79]) #########
######### test case 16/30 (M51478381[79-80]) #########
######### test case 17/30 (M51350527[80-81]) #########
######### test case 18/30 (M53061139[80-81]) #########
######### test case 19/30 (M48629519[81-82]) #########
######### test case 20/30 (M51752893[83-84]) #########
######### test case 21/30 (M51760133[83-84]) #########
######### test case 22/30 (M51090757[84-85]) #########
######### test case 23/30 (M51050171[84-85]) #########
######### test case 24/30 (M50989481[86-87]) #########
######### test case 25/30 (M50856937[86-87]) #########
######### test case 26/30 (M53065231[88-89]) #########
######### test case 27/30 (M3321929777[63-64]) #########
######### test case 28/30 (M3321930841[63-64]) #########
######### test case 29/30 (M55069117[64-65]) #########
######### test case 30/30 (M45448679[81-82]) #########
Self-test statistics
number of tests 30
successful tests 30
self-test PASSED!
got assignment: exp=206445893 bit_min=76 bit_max=77 (74.13 GHz-days)
Starting trial factoring M206445893 from 2^76 to 2^77 (74.13 GHz-days)
Using GPU kernel "cl_barrett15_82_gs_2"
Found a valid checkpoint file.
last finished class was: 4563
no factors found so far.
previous work took 40378269 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Sep 30 12:11 | 4567 99.0% | 42.252 7m03s | 157.91 81206 0.00%
Sep 30 12:12 | 4575 99.1% | 42.314 6m21s | 157.67 81206 0.00%
2026-09-30 12:37:04 (4428): wrapper (7.24.26018): starting
2026-09-30 12:37:04 (4428): wrapper: running mfakto.exe (-d 0)
2026-09-30 12:37:04 (4428): wrapper: created child process 3300
mfakto 0.16.0-beta.5-Win (64-bit build)
Runtime options
INI file mfakto.ini
Verbosity 1
SieveOnGPU yes
MoreClasses yes
GPUSievePrimes 81157
GPUSieveProcessSize 24 Kib
GPUSieveSize 96 Mib
FlushInterval 0
WorkFile worktodo.txt
ResultsFile results.txt
JSONResultsFile results.json.txt
LogFile mfakto.log
Checkpoints enabled
CheckpointDelay 60 s
Stages disabled
StopAfterFactor bit level
PrintMode compact
Logging disabled
V5UserID none
ComputerID none
TimeStampInResults yes
LegacyResultsTxt no
VectorSize 2
GPUType AUTO
UseBinfile mfakto_Kernels.elf
Compile-time options
Select device - Get device info:
Warning: Unknown GPU name, assuming a GCN (Graphics Core Next) device. Please
post the name to the GIMPS forum or GitHub to have it added to mfakto.
Device name: gfx90c (Advanced Micro Devices, Inc.)
mfakto thread: https://www.mersenneforum.org/node/11037
GitHub: https://github.com/primesearch/mfakto/issues
You can also set GPUType in mfakto.ini to avoid this message.
OpenCL device info
name gfx90c (Advanced Micro Devices, Inc.)
device (driver) version OpenCL 2.0 AMD-APP (3584.0) (3584.0 (PAL,HSAIL))
maximum threads per block 1024
maximum threads per grid 1073741824
number of multiprocessors 7 (448 compute elements)
clock rate 1900 MHz
Automatic parameters
threads per grid 0
optimizing kernels for GCN
Loading binary kernel file mfakto_Kernels.elf
Compiling kernels.
GPUSievePrimes (adjusted) 81206
GPUsieve minimum exponent 1037054
Started a simple self-test ...
######### test case 1/30 (M1031831[63-64]) #########
######### test case 2/30 (M51332417[68-69]) #########
######### test case 3/30 (M50896831[69-70]) #########
######### test case 4/30 (M50979079[70-71]) #########
######### test case 5/30 (M51232133[71-72]) #########
######### test case 6/30 (M50830523[71-72]) #########
######### test case 7/30 (M50752613[72-73]) #########
######### test case 8/30 (M51507913[72-73]) #########
######### test case 9/30 (M51916901[73-74]) #########
######### test case 10/30 (M51157933[74-75]) #########
######### test case 11/30 (M51308501[75-76]) #########
######### test case 12/30 (M51671491[75-76]) #########
######### test case 13/30 (M50805581[77-78]) #########
######### test case 14/30 (M51157429[78-79]) #########
######### test case 15/30 (M51406151[78-79]) #########
######### test case 16/30 (M51478381[79-80]) #########
######### test case 17/30 (M51350527[80-81]) #########
######### test case 18/30 (M53061139[80-81]) #########
######### test case 19/30 (M48629519[81-82]) #########
######### test case 20/30 (M51752893[83-84]) #########
######### test case 21/30 (M51760133[83-84]) #########
######### test case 22/30 (M51090757[84-85]) #########
######### test case 23/30 (M51050171[84-85]) #########
######### test case 24/30 (M50989481[86-87]) #########
######### test case 25/30 (M50856937[86-87]) #########
######### test case 26/30 (M53065231[88-89]) #########
######### test case 27/30 (M3321929777[63-64]) #########
######### test case 28/30 (M3321930841[63-64]) #########
######### test case 29/30 (M55069117[64-65]) #########
######### test case 30/30 (M45448679[81-82]) #########
Self-test statistics
number of tests 30
successful tests 30
self-test PASSED!
got assignment: exp=206445893 bit_min=76 bit_max=77 (74.13 GHz-days)
Starting trial factoring M206445893 from 2^76 to 2^77 (74.13 GHz-days)
Using GPU kernel "cl_barrett15_82_gs_2"
Found a valid checkpoint file.
last finished class was: 4575
no factors found so far.
previous work took 40462835 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Sep 30 12:37 | 4576 99.2% | 42.294 5m38s | 157.75 81206 0.00%
Sep 30 12:38 | 4587 99.3% | 42.414 4m57s | 157.30 81206 0.00%
Sep 30 12:39 | 4591 99.4% | 42.338 4m14s | 157.59 81206 0.00%
Sep 30 12:39 | 4596 99.5% | 42.296 3m31s | 157.74 81206 0.00%
Sep 30 12:40 | 4603 99.6% | 42.261 2m49s | 157.87 81206 0.00%
Sep 30 12:41 | 4608 99.7% | 42.253 2m07s | 157.90 81206 0.00%
Sep 30 12:42 | 4611 99.8% | 42.309 1m25s | 157.69 81206 0.00%
Sep 30 12:42 | 4612 99.9% | 42.254 0m42s | 157.90 81206 0.00%
Sep 30 12:43 | 4615 100.0% | 42.254 0m00s | 157.90 81206 0.00%
no factor for M206445893 from 2^76 to 2^77 [mfakto 0.16.0-beta.5-Win cl_barrett15_82_gs_2]
tf(): time spent since restart: 6m 20.698s
estimated total time spent: 11h 16m 47.786s
ERROR: get_next_assignment(): no valid assignment found in "worktodo.txt"
2026-09-30 12:43:26 (4428): mfakto.exe exited; CPU time 0.953125
2026-09-30 12:43:26 (4428): called boinc_finish(0)
</stderr_txt>
]]>
Main page · Your account · Message boards
Copyright © 2014-2026 BOINC Confederation / rebirther