Task 44041479
| Name | TF_75-76_386-741M_rt_wu_10521_0 |
| Workunit | 39952415 |
| Created | 5 Jan 2026, 18:29:05 UTC |
| Sent | 5 Jan 2026, 22:39:42 UTC |
| Report deadline | 11 Jan 2026, 4:39:42 UTC |
| Received | 10 Jan 2026, 20:38:05 UTC |
| Server state | Over |
| Outcome | Computation error |
| Client state | Compute error |
| Exit status | 195 (0xc3) EXIT_CHILD_FAILED |
| Computer ID | 250457 |
| Run time | 9 sec |
| CPU time |
|
| Validate state | Invalid |
| Credit | 0.00 |
| Device peak FLOPS | 223.27 GFLOPS |
| Application version | TF v0.49 (opencl_ati_101) |
| Peak working set size | 111.35 MB |
| Peak swap size | 161.09 MB |
| Peak disk usage | 3.51 MB |
Stderr output
<core_client_version>8.0.4</core_client_version>
<![CDATA[
<message>
System operacyjny nie może uruchomić (null).
(0xc3) - exit code 195 (0xc3)</message>
<stderr_txt>
_max=76 (12.31 GHz-days)
Starting trial factoring M621420829 from 2^75 to 2^76 (12.31 GHz-days)
Using GPU kernel "cl_barrett15_82_gs_2"
Found a valid checkpoint file.
last finished class was: 116
no factors found so far.
previous work took 476827 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Jan 09 10:42 | 119 2.6% | 17.340 4h30m | 63.91 81206 0.00%
Jan 09 10:42 | 120 2.7% | 17.341 4h29m | 63.91 81206 0.00%
Jan 09 10:42 | 131 2.8% | 17.392 4h30m | 63.72 81206 0.00%
Jan 09 10:43 | 132 2.9% | 17.638 4h33m | 62.83 81206 0.00%
Jan 09 10:43 | 135 3.0% | 17.375 4h29m | 63.78 81206 0.00%
Jan 09 10:43 | 140 3.1% | 17.513 4h31m | 63.28 81206 0.00%
2026-01-09 10:49:23 (8384): wrapper (7.24.26018): starting
2026-01-09 10:49:24 (8384): wrapper: running mfakto.exe (-d 0)
2026-01-09 10:49:24 (8384): wrapper: created child process 15088
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
SmallExp no
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 1800 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]) #########
2026-01-09 14:57:53 (12808): wrapper (7.24.26018): starting
2026-01-09 14:57:53 (12808): wrapper: running mfakto.exe (-d 0)
2026-01-09 14:57:53 (12808): wrapper: created child process 3760
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
SmallExp no
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 1800 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=621420829 bit_min=75 bit_max=76 (12.31 GHz-days)
Starting trial factoring M621420829 from 2^75 to 2^76 (12.31 GHz-days)
Using GPU kernel "cl_barrett15_82_gs_2"
Found a valid checkpoint file.
last finished class was: 132
no factors found so far.
previous work took 546538 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Jan 09 14:58 | 135 3.0% | 18.413 4h45m | 60.19 81206 0.00%
Jan 09 14:58 | 140 3.1% | 18.523 4h47m | 59.83 81206 0.00%
Jan 09 14:58 | 144 3.2% | 18.556 4h47m | 59.72 81206 0.00%
Jan 09 14:59 | 147 3.3% | 29.235 7h32m | 37.91 81206 0.00%
Jan 09 14:59 | 152 3.4% | 17.514 4h30m | 63.28 81206 0.00%
2026-01-09 15:04:51 (3428): wrapper (7.24.26018): starting
2026-01-09 15:04:51 (3428): wrapper: running mfakto.exe (-d 0)
2026-01-09 15:04:51 (3428): wrapper: created child process 9204
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
SmallExp no
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 1800 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=621420829 bit_min=75 bit_max=76 (12.31 GHz-days)
Starting trial factoring M621420829 from 2^75 to 2^76 (12.31 GHz-days)
Using GPU kernel "cl_barrett15_82_gs_2"
Found a valid checkpoint file.
last finished class was: 147
no factors found so far.
previous work took 631265 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Jan 09 15:05 | 152 3.4% | 19.569 5h02m | 56.63 81206 0.00%
Jan 09 15:05 | 155 3.5% | 19.575 5h02m | 56.62 81206 0.00%
Jan 09 15:05 | 156 3.6% | 19.680 5h03m | 56.31 81206 0.00%
Jan 09 15:06 | 159 3.8% | 19.801 5h04m | 55.97 81206 0.00%
Jan 09 15:06 | 167 3.9% | 19.808 5h04m | 55.95 81206 0.00%
Jan 09 15:06 | 176 4.0% | 19.879 5h05m | 55.75 81206 0.00%
Jan 09 15:07 | 179 4.1% | 19.860 5h04m | 55.80 81206 0.00%
Jan 09 15:07 | 180 4.2% | 19.882 5h04m | 55.74 81206 0.00%
Jan 09 15:07 | 191 4.3% | 19.665 5h01m | 56.36 81206 0.00%
2026-01-10 05:59:05 (8304): wrapper (7.24.26018): starting
2026-01-10 05:59:05 (8304): wrapper: running mfakto.exe (-d 0)
2026-01-10 05:59:05 (8304): wrapper: created child process 4652
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
SmallExp no
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 1800 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=621420829 bit_min=75 bit_max=76 (12.31 GHz-days)
Starting trial factoring M621420829 from 2^75 to 2^76 (12.31 GHz-days)
Using GPU kernel "cl_barrett15_82_gs_2"
Found a valid checkpoint file.
last finished class was: 180
no factors found so far.
previous work took 789319 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Jan 10 05:59 | 191 4.3% | 19.611 5h00m | 56.51 81206 0.00%
Jan 10 05:59 | 195 4.4% | 19.646 5h00m | 56.41 81206 0.00%
Jan 10 06:00 | 200 4.5% | 19.546 4h58m | 56.70 81206 0.00%
Jan 10 06:00 | 204 4.6% | 19.758 5h01m | 56.09 81206 0.00%
Jan 10 06:00 | 207 4.7% | 19.593 4h58m | 56.56 81206 0.00%
Jan 10 06:01 | 212 4.8% | 19.672 4h59m | 56.34 81206 0.00%
Jan 10 06:01 | 215 4.9% | 19.694 4h59m | 56.27 81206 0.00%
Jan 10 06:01 | 219 5.0% | 19.686 4h59m | 56.30 81206 0.00%
Jan 10 06:02 | 224 5.1% | 19.520 4h56m | 56.77 81206 0.00%
Jan 10 06:02 | 231 5.2% | 19.638 4h57m | 56.43 81206 0.00%
Jan 10 06:02 | 236 5.3% | 19.537 4h55m | 56.73 81206 0.00%
Jan 10 06:03 | 239 5.4% | 19.687 4h57m | 56.29 81206 0.00%
Jan 10 06:03 | 240 5.5% | 19.616 4h56m | 56.50 81206 0.00%
Jan 10 06:03 | 251 5.6% | 19.631 4h56m | 56.45 81206 0.00%
Jan 10 06:04 | 252 5.7% | 19.641 4h56m | 56.43 81206 0.00%
Jan 10 06:04 | 264 5.8% | 19.629 4h55m | 56.46 81206 0.00%
Jan 10 06:04 | 267 5.9% | 19.507 4h53m | 56.81 81206 0.00%
Jan 10 06:05 | 272 6.0% | 19.513 4h53m | 56.80 81206 0.00%
Jan 10 06:05 | 275 6.1% | 19.499 4h52m | 56.84 81206 0.00%
Jan 10 06:05 | 279 6.2% | 19.664 4h54m | 56.36 81206 0.00%
Jan 10 06:05 | 284 6.4% | 19.545 4h52m | 56.70 81206 0.00%
Jan 10 06:06 | 287 6.5% | 19.654 4h54m | 56.39 81206 0.00%
Jan 10 06:06 | 291 6.6% | 19.694 4h54m | 56.27 81206 0.00%
Jan 10 06:06 | 296 6.7% | 19.477 4h50m | 56.90 81206 0.00%
Jan 10 06:07 | 299 6.8% | 19.548 4h51m | 56.69 81206 0.00%
Jan 10 06:07 | 300 6.9% | 19.513 4h50m | 56.80 81206 0.00%
Jan 10 06:07 | 312 7.0% | 19.606 4h51m | 56.53 81206 0.00%
Jan 10 06:08 | 320 7.1% | 19.691 4h52m | 56.28 81206 0.00%
Jan 10 06:08 | 324 7.2% | 19.550 4h50m | 56.69 81206 0.00%
Jan 10 06:08 | 327 7.3% | 19.607 4h50m | 56.52 81206 0.00%
Jan 10 06:09 | 335 7.4% | 19.437 4h47m | 57.02 81206 0.00%
Jan 10 06:09 | 336 7.5% | 19.542 4h49m | 56.71 81206 0.00%
Jan 10 06:09 | 344 7.6% | 19.512 4h48m | 56.80 81206 0.00%
Jan 10 06:10 | 347 7.7% | 19.464 4h47m | 56.94 81206 0.00%
Jan 10 06:10 | 351 7.8% | 19.647 4h49m | 56.41 81206 0.00%
Jan 10 06:10 | 356 7.9% | 19.498 4h47m | 56.84 81206 0.00%
Jan 10 06:11 | 371 8.0% | 19.696 4h49m | 56.27 81206 0.00%
Jan 10 06:11 | 372 8.1% | 19.728 4h50m | 56.18 81206 0.00%
Jan 10 06:11 | 375 8.2% | 19.644 4h48m | 56.42 81206 0.00%
Jan 10 06:12 | 380 8.3% | 19.638 4h48m | 56.43 81206 0.00%
Jan 10 06:12 | 384 8.4% | 19.726 4h48m | 56.18 81206 0.00%
Jan 10 06:12 | 387 8.5% | 19.546 4h46m | 56.70 81206 0.00%
Jan 10 06:13 | 396 8.6% | 19.500 4h45m | 56.83 81206 0.00%
Jan 10 06:13 | 399 8.8% | 19.577 4h45m | 56.61 81206 0.00%
Jan 10 06:13 | 404 8.9% | 19.583 4h45m | 56.59 81206 0.00%
Jan 10 06:14 | 407 9.0% | 19.592 4h45m | 56.57 81206 0.00%
Jan 10 06:14 | 411 9.1% | 19.514 4h43m | 56.79 81206 0.00%
Jan 10 06:14 | 419 9.2% | 19.596 4h44m | 56.55 81206 0.00%
Jan 10 06:15 | 420 9.3% | 19.604 4h44m | 56.53 81206 0.00%
2026-01-10 06:21:41 (7512): wrapper (7.24.26018): starting
2026-01-10 06:21:41 (7512): wrapper: running mfakto.exe (-d 0)
2026-01-10 06:21:41 (7512): wrapper: created child process 14512
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
SmallExp no
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 1800 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=621420829 bit_min=75 bit_max=76 (12.31 GHz-days)
Starting trial factoring M621420829 from 2^75 to 2^76 (12.31 GHz-days)
Using GPU kernel "cl_barrett15_82_gs_2"
Found a valid checkpoint file.
last finished class was: 419
no factors found so far.
previous work took 1729932 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Jan 10 06:21 | 420 9.3% | 16.513 3h59m | 67.11 81206 0.00%
Jan 10 06:22 | 431 9.4% | 16.502 3h59m | 67.16 81206 0.00%
Jan 10 06:22 | 432 9.5% | 16.711 4h02m | 66.32 81206 0.00%
Jan 10 06:22 | 435 9.6% | 16.619 4h00m | 66.69 81206 0.00%
Jan 10 06:23 | 440 9.7% | 16.581 3h59m | 66.84 81206 0.00%
Jan 10 06:23 | 452 9.8% | 16.605 3h59m | 66.74 81206 0.00%
Jan 10 06:23 | 455 9.9% | 16.642 3h59m | 66.59 81206 0.00%
Jan 10 06:23 | 456 10.0% | 16.689 4h00m | 66.41 81206 0.00%
Jan 10 06:24 | 459 10.1% | 16.679 3h59m | 66.45 81206 0.00%
Jan 10 06:24 | 464 10.2% | 16.675 3h59m | 66.46 81206 0.00%
Jan 10 06:24 | 467 10.3% | 16.688 3h59m | 66.41 81206 0.00%
Jan 10 06:25 | 471 10.4% | 16.703 3h59m | 66.35 81206 0.00%
Jan 10 06:25 | 476 10.5% | 16.751 3h59m | 66.16 81206 0.00%
Jan 10 06:25 | 492 10.6% | 16.727 3h59m | 66.25 81206 0.00%
Jan 10 06:25 | 495 10.7% | 16.704 3h58m | 66.35 81206 0.00%
Jan 10 06:26 | 504 10.8% | 16.711 3h58m | 66.32 81206 0.00%
Jan 10 06:26 | 512 10.9% | 16.735 3h58m | 66.22 81206 0.00%
Jan 10 06:26 | 515 11.0% | 16.763 3h58m | 66.11 81206 0.00%
Jan 10 06:27 | 516 11.1% | 16.738 3h57m | 66.21 81206 0.00%
Jan 10 06:27 | 519 11.2% | 16.733 3h57m | 66.23 81206 0.00%
Jan 10 06:27 | 527 11.4% | 16.823 3h58m | 65.88 81206 0.00%
Jan 10 06:27 | 531 11.5% | 16.713 3h56m | 66.31 81206 0.00%
Jan 10 06:28 | 536 11.6% | 16.675 3h55m | 66.46 81206 0.00%
Jan 10 06:28 | 539 11.7% | 16.718 3h56m | 66.29 81206 0.00%
Jan 10 06:28 | 540 11.8% | 16.679 3h55m | 66.45 81206 0.00%
Jan 10 06:28 | 551 11.9% | 16.635 3h54m | 66.62 81206 0.00%
Jan 10 06:29 | 552 12.0% | 16.653 3h54m | 66.55 81206 0.00%
Jan 10 06:29 | 555 12.1% | 16.673 3h54m | 66.47 81206 0.00%
Jan 10 06:29 | 560 12.2% | 16.811 3h56m | 65.92 81206 0.00%
Jan 10 06:30 | 564 12.3% | 16.616 3h53m | 66.70 81206 0.00%
Jan 10 06:30 | 567 12.4% | 16.575 3h52m | 66.86 81206 0.00%
Jan 10 06:30 | 572 12.5% | 16.731 3h54m | 66.24 81206 0.00%
Jan 10 06:30 | 575 12.6% | 16.562 3h51m | 66.92 81206 0.00%
Jan 10 06:31 | 576 12.7% | 16.562 3h51m | 66.92 81206 0.00%
Jan 10 06:31 | 587 12.8% | 16.472 3h49m | 67.28 81206 0.00%
Jan 10 06:31 | 596 12.9% | 16.551 3h50m | 66.96 81206 0.00%
Jan 10 06:31 | 599 13.0% | 16.452 3h48m | 67.36 81206 0.00%
Jan 10 06:32 | 600 13.1% | 16.580 3h50m | 66.84 81206 0.00%
Jan 10 06:32 | 611 13.2% | 16.382 3h47m | 67.65 81206 0.00%
Jan 10 06:32 | 615 13.3% | 16.358 3h46m | 67.75 81206 0.00%
Jan 10 06:33 | 620 13.4% | 16.396 3h47m | 67.59 81206 0.00%
Jan 10 06:33 | 624 13.5% | 16.290 3h45m | 68.03 81206 0.00%
Jan 10 06:33 | 627 13.6% | 16.289 3h45m | 68.04 81206 0.00%
Jan 10 06:33 | 632 13.8% | 16.346 3h45m | 67.80 81206 0.00%
Jan 10 06:34 | 635 13.9% | 16.283 3h44m | 68.06 81206 0.00%
Jan 10 06:34 | 636 14.0% | 16.232 3h43m | 68.28 81206 0.00%
Jan 10 06:34 | 639 14.1% | 16.194 3h42m | 68.44 81206 0.00%
Jan 10 06:34 | 644 14.2% | 16.138 3h41m | 68.67 81206 0.00%
Jan 10 06:35 | 651 14.3% | 16.122 3h41m | 68.74 81206 0.00%
Jan 10 06:35 | 659 14.4% | 16.302 3h43m | 67.98 81206 0.00%
Jan 10 06:35 | 660 14.5% | 16.051 3h39m | 69.05 81206 0.00%
Jan 10 06:36 | 671 14.6% | 16.020 3h38m | 69.18 81206 0.00%
Jan 10 06:36 | 672 14.7% | 16.025 3h38m | 69.16 81206 0.00%
Jan 10 06:36 | 680 14.8% | 15.939 3h37m | 69.53 81206 0.00%
Jan 10 06:36 | 684 14.9% | 15.915 3h36m | 69.64 81206 0.00%
Jan 10 06:37 | 687 15.0% | 16.011 3h37m | 69.22 81206 0.00%
Jan 10 06:37 | 692 15.1% | 15.895 3h35m | 69.72 81206 0.00%
Jan 10 06:37 | 695 15.2% | 15.840 3h34m | 69.97 81206 0.00%
Jan 10 06:37 | 699 15.3% | 15.872 3h35m | 69.82 81206 0.00%
Jan 10 06:38 | 704 15.4% | 15.760 3h33m | 70.32 81206 0.00%
Jan 10 06:38 | 707 15.5% | 15.883 3h34m | 69.78 81206 0.00%
Jan 10 06:38 | 716 15.6% | 15.729 3h32m | 70.46 81206 0.00%
Jan 10 06:38 | 719 15.7% | 15.690 3h31m | 70.63 81206 0.00%
Jan 10 06:39 | 720 15.8% | 15.835 3h33m | 69.99 81206 0.00%
Jan 10 06:39 | 732 15.9% | 15.726 3h31m | 70.47 81206 0.00%
Jan 10 06:39 | 735 16.0% | 15.674 3h30m | 70.71 81206 0.00%
Jan 10 06:40 | 740 16.1% | 15.616 3h29m | 70.97 81206 0.00%
Jan 10 06:40 | 747 16.2% | 15.637 3h29m | 70.87 81206 0.00%
Jan 10 06:40 | 756 16.4% | 15.693 3h30m | 70.62 81206 0.00%
Jan 10 06:40 | 764 16.5% | 15.803 3h31m | 70.13 81206 0.00%
Jan 10 06:41 | 767 16.6% | 15.653 3h28m | 70.80 81206 0.00%
Jan 10 06:41 | 771 16.7% | 15.647 3h28m | 70.83 81206 0.00%
Jan 10 06:41 | 776 16.8% | 15.668 3h28m | 70.73 81206 0.00%
Jan 10 06:41 | 779 16.9% | 15.644 3h28m | 70.84 81206 0.00%
Jan 10 06:42 | 791 17.0% | 15.790 3h29m | 70.19 81206 0.00%
Jan 10 06:42 | 792 17.1% | 15.654 3h27m | 70.80 81206 0.00%
Jan 10 06:42 | 795 17.2% | 15.730 3h28m | 70.45 81206 0.00%
Jan 10 06:42 | 800 17.3% | 15.714 3h27m | 70.53 81206 0.00%
Jan 10 06:43 | 804 17.4% | 15.636 3h26m | 70.88 81206 0.00%
Jan 10 06:43 | 807 17.5% | 15.653 3h26m | 70.80 81206 0.00%
Jan 10 06:43 | 812 17.6% | 15.819 3h28m | 70.06 81206 0.00%
Jan 10 06:43 | 816 17.7% | 15.640 3h25m | 70.86 81206 0.00%
Jan 10 06:44 | 819 17.8% | 15.646 3h25m | 70.83 81206 0.00%
Jan 10 06:44 | 824 17.9% | 15.819 3h27m | 70.06 81206 0.00%
Jan 10 06:44 | 827 18.0% | 15.668 3h25m | 70.73 81206 0.00%
Jan 10 06:44 | 831 18.1% | 15.630 3h24m | 70.91 81206 0.00%
Jan 10 06:45 | 839 18.2% | 15.805 3h26m | 70.12 81206 0.00%
Jan 10 06:45 | 840 18.3% | 15.634 3h24m | 70.89 81206 0.00%
Jan 10 06:45 | 851 18.4% | 15.674 3h24m | 70.71 81206 0.00%
Jan 10 06:46 | 852 18.5% | 15.667 3h24m | 70.74 81206 0.00%
Jan 10 06:46 | 855 18.6% | 15.640 3h23m | 70.86 81206 0.00%
Jan 10 06:46 | 860 18.8% | 15.635 3h23m | 70.88 81206 0.00%
Jan 10 06:46 | 867 18.9% | 15.682 3h23m | 70.67 81206 0.00%
Jan 10 06:47 | 872 19.0% | 15.658 3h23m | 70.78 81206 0.00%
Jan 10 06:47 | 875 19.1% | 15.881 3h25m | 69.78 81206 0.00%
Jan 10 06:47 | 879 19.2% | 15.685 3h22m | 70.66 81206 0.00%
Jan 10 06:47 | 884 19.3% | 15.658 3h22m | 70.78 81206 0.00%
Jan 10 06:48 | 891 19.4% | 15.814 3h24m | 70.08 81206 0.00%
Jan 10 06:48 | 896 19.5% | 15.672 3h21m | 70.72 81206 0.00%
Jan 10 06:48 | 900 19.6% | 15.689 3h21m | 70.64 81206 0.00%
Jan 10 06:48 | 911 19.7% | 15.967 3h25m | 69.41 81206 0.00%
Jan 10 06:49 | 912 19.8% | 15.779 3h22m | 70.24 81206 0.00%
Jan 10 06:49 | 915 19.9% | 15.809 3h22m | 70.10 81206 0.00%
Jan 10 06:49 | 924 20.0% | 15.822 3h22m | 70.04 81206 0.00%
Jan 10 06:49 | 932 20.1% | 15.977 3h24m | 69.37 81206 0.00%
Jan 10 06:50 | 935 20.2% | 16.050 3h24m | 69.05 81206 0.00%
Jan 10 06:50 | 936 20.3% | 15.952 3h23m | 69.47 81206 0.00%
Jan 10 06:50 | 939 20.4% | 15.894 3h22m | 69.73 81206 0.00%
Jan 10 06:51 | 944 20.5% | 15.930 3h22m | 69.57 81206 0.00%
Jan 10 06:51 | 947 20.6% | 15.935 3h22m | 69.55 81206 0.00%
Jan 10 06:51 | 951 20.7% | 15.929 3h22m | 69.57 81206 0.00%
Jan 10 06:51 | 956 20.8% | 15.964 3h22m | 69.42 81206 0.00%
Jan 10 06:52 | 959 20.9% | 15.986 3h22m | 69.33 81206 0.00%
Jan 10 06:52 | 960 21.0% | 15.973 3h21m | 69.38 81206 0.00%
Jan 10 06:52 | 971 21.1% | 16.020 3h22m | 69.18 81206 0.00%
Jan 10 06:52 | 972 21.2% | 16.131 3h23m | 68.70 81206 0.00%
Jan 10 06:53 | 980 21.4% | 16.044 3h21m | 69.08 81206 0.00%
Jan 10 06:53 | 984 21.5% | 16.186 3h23m | 68.47 81206 0.00%
Jan 10 06:53 | 987 21.6% | 16.014 3h20m | 69.20 81206 0.00%
Jan 10 06:53 | 992 21.7% | 16.018 3h20m | 69.19 81206 0.00%
Jan 10 06:54 | 995 21.8% | 16.042 3h20m | 69.08 81206 0.00%
Jan 10 06:54 | 996 21.9% | 16.023 3h20m | 69.17 81206 0.00%
Jan 10 06:54 | 999 22.0% | 16.215 3h22m | 68.35 81206 0.00%
Jan 10 06:55 | 1007 22.1% | 16.029 3h19m | 69.14 81206 0.00%
Jan 10 06:55 | 1016 22.2% | 16.034 3h19m | 69.12 81206 0.00%
Jan 10 06:55 | 1020 22.3% | 16.005 3h19m | 69.24 81206 0.00%
Jan 10 06:55 | 1031 22.4% | 15.974 3h18m | 69.38 81206 0.00%
Jan 10 06:56 | 1035 22.5% | 16.115 3h19m | 68.77 81206 0.00%
Jan 10 06:56 | 1040 22.6% | 16.017 3h18m | 69.19 81206 0.00%
Jan 10 06:56 | 1044 22.7% | 15.998 3h17m | 69.27 81206 0.00%
Jan 10 06:56 | 1047 22.8% | 16.177 3h19m | 68.51 81206 0.00%
Jan 10 06:57 | 1055 22.9% | 16.001 3h17m | 69.26 81206 0.00%
Jan 10 06:57 | 1056 23.0% | 16.015 3h17m | 69.20 81206 0.00%
Jan 10 06:57 | 1059 23.1% | 16.164 3h18m | 68.56 81206 0.00%
Jan 10 06:57 | 1064 23.2% | 16.098 3h17m | 68.84 81206 0.00%
Jan 10 06:58 | 1071 23.3% | 15.984 3h16m | 69.33 81206 0.00%
Jan 10 06:58 | 1076 23.4% | 16.037 3h16m | 69.11 81206 0.00%
Jan 10 06:58 | 1079 23.5% | 16.207 3h18m | 68.38 81206 0.00%
Jan 10 06:59 | 1080 23.6% | 16.027 3h15m | 69.15 81206 0.00%
Jan 10 06:59 | 1091 23.8% | 16.026 3h15m | 69.15 81206 0.00%
Jan 10 06:59 | 1092 23.9% | 16.044 3h15m | 69.08 81206 0.00%
Jan 10 06:59 | 1100 24.0% | 16.023 3h14m | 69.17 81206 0.00%
Jan 10 07:00 | 1104 24.1% | 16.015 3h14m | 69.20 81206 0.00%
Jan 10 07:00 | 1112 24.2% | 16.016 3h14m | 69.20 81206 0.00%
Jan 10 07:00 | 1115 24.3% | 16.048 3h14m | 69.06 81206 0.00%
Jan 10 07:00 | 1119 24.4% | 16.056 3h14m | 69.02 81206 0.00%
Jan 10 07:01 | 1124 24.5% | 16.062 3h14m | 69.00 81206 0.00%
Jan 10 07:01 | 1127 24.6% | 16.040 3h13m | 69.09 81206 0.00%
Jan 10 07:01 | 1131 24.7% | 16.071 3h13m | 68.96 81206 0.00%
Jan 10 07:02 | 1136 24.8% | 16.040 3h13m | 69.09 81206 0.00%
Jan 10 07:02 | 1139 24.9% | 16.099 3h13m | 68.84 81206 0.00%
Jan 10 07:02 | 1152 25.0% | 16.036 3h12m | 69.11 81206 0.00%
Jan 10 07:02 | 1155 25.1% | 16.025 3h12m | 69.16 81206 0.00%
Jan 10 07:03 | 1160 25.2% | 16.006 3h11m | 69.24 81206 0.00%
Jan 10 07:03 | 1164 25.3% | 16.140 3h12m | 68.66 81206 0.00%
Jan 10 07:03 | 1167 25.4% | 15.992 3h10m | 69.30 81206 0.00%
Jan 10 07:03 | 1175 25.5% | 16.052 3h11m | 69.04 81206 0.00%
Jan 10 07:04 | 1176 25.6% | 15.965 3h09m | 69.42 81206 0.00%
Jan 10 07:04 | 1187 25.7% | 15.984 3h09m | 69.33 81206 0.00%
Jan 10 07:04 | 1191 25.8% | 16.099 3h11m | 68.84 81206 0.00%
Jan 10 07:04 | 1196 25.9% | 16.106 3h10m | 68.81 81206 0.00%
Jan 10 07:05 | 1199 26.0% | 16.141 3h11m | 68.66 81206 0.00%
Jan 10 07:05 | 1211 26.1% | 15.980 3h08m | 69.35 81206 0.00%
Jan 10 07:05 | 1212 26.2% | 16.155 3h10m | 68.60 81206 0.00%
Jan 10 07:06 | 1215 26.4% | 15.980 3h08m | 69.35 81206 0.00%
Jan 10 07:06 | 1220 26.5% | 16.135 3h09m | 68.69 81206 0.00%
Jan 10 07:06 | 1224 26.6% | 16.172 3h10m | 68.53 81206 0.00%
Jan 10 07:06 | 1227 26.7% | 15.958 3h07m | 69.45 81206 0.00%
Jan 10 07:07 | 1232 26.8% | 16.179 3h09m | 68.50 81206 0.00%
Jan 10 07:07 | 1236 26.9% | 16.121 3h08m | 68.75 81206 0.00%
Jan 10 07:07 | 1244 27.0% | 15.998 3h06m | 69.27 81206 0.00%
Jan 10 07:07 | 1247 27.1% | 16.135 3h08m | 68.69 81206 0.00%
Jan 10 07:08 | 1251 27.2% | 15.991 3h06m | 69.30 81206 0.00%
Jan 10 07:08 | 1259 27.3% | 16.159 3h07m | 68.58 81206 0.00%
Jan 10 07:08 | 1260 27.4% | 15.945 3h05m | 69.50 81206 0.00%
Jan 10 07:08 | 1271 27.5% | 16.076 3h06m | 68.94 81206 0.00%
Jan 10 07:09 | 1275 27.6% | 15.978 3h05m | 69.36 81206 0.00%
Jan 10 07:09 | 1280 27.7% | 15.977 3h04m | 69.37 81206 0.00%
Jan 10 07:09 | 1287 27.8% | 16.127 3h06m | 68.72 81206 0.00%
Jan 10 07:10 | 1292 27.9% | 15.926 3h03m | 69.59 81206 0.00%
Jan 10 07:10 | 1295 28.0% | 16.063 3h05m | 68.99 81206 0.00%
Jan 10 07:10 | 1296 28.1% | 16.083 3h04m | 68.91 81206 0.00%
Jan 10 07:10 | 1299 28.2% | 15.912 3h02m | 69.65 81206 0.00%
Jan 10 07:11 | 1304 28.3% | 16.055 3h04m | 69.03 81206 0.00%
Jan 10 07:11 | 1307 28.4% | 16.062 3h03m | 69.00 81206 0.00%
Jan 10 07:11 | 1311 28.5% | 16.008 3h03m | 69.23 81206 0.00%
Jan 10 07:11 | 1320 28.6% | 16.071 3h03m | 68.96 81206 0.00%
Jan 10 07:12 | 1331 28.8% | 16.001 3h02m | 69.26 81206 0.00%
Jan 10 07:12 | 1332 28.9% | 15.908 3h01m | 69.67 81206 0.00%
Jan 10 07:12 | 1335 29.0% | 15.880 3h00m | 69.79 81206 0.00%
Jan 10 07:12 | 1344 29.1% | 15.873 3h00m | 69.82 81206 0.00%
Jan 10 07:13 | 1352 29.2% | 15.866 2h59m | 69.85 81206 0.00%
Jan 10 07:13 | 1355 29.3% | 15.888 2h59m | 69.75 81206 0.00%
Jan 10 07:13 | 1356 29.4% | 16.015 3h00m | 69.20 81206 0.00%
Jan 10 07:14 | 1359 29.5% | 16.019 3h00m | 69.18 81206 0.00%
Jan 10 07:14 | 1364 29.6% | 16.014 3h00m | 69.20 81206 0.00%
Jan 10 07:14 | 1367 29.7% | 15.860 2h58m | 69.88 81206 0.00%
Jan 10 07:14 | 1376 29.8% | 15.848 2h58m | 69.93 81206 0.00%
Jan 10 07:15 | 1379 29.9% | 15.875 2h58m | 69.81 81206 0.00%
Jan 10 07:15 | 1380 30.0% | 15.827 2h57m | 70.02 81206 0.00%
Jan 10 07:15 | 1391 30.1% | 15.938 2h58m | 69.53 81206 0.00%
Jan 10 07:15 | 1392 30.2% | 16.058 2h59m | 69.02 81206 0.00%
Jan 10 07:16 | 1395 30.3% | 15.852 2h56m | 69.91 81206 0.00%
Jan 10 07:16 | 1400 30.4% | 15.845 2h56m | 69.94 81206 0.00%
Jan 10 07:16 | 1407 30.5% | 15.876 2h56m | 69.81 81206 0.00%
Jan 10 07:16 | 1412 30.6% | 15.860 2h56m | 69.88 81206 0.00%
Jan 10 07:17 | 1416 30.7% | 16.072 2h58m | 68.96 81206 0.00%
Jan 10 07:17 | 1419 30.8% | 15.935 2h56m | 69.55 81206 0.00%
Jan 10 07:17 | 1427 30.9% | 16.000 2h56m | 69.27 81206 0.00%
Jan 10 07:18 | 1436 31.0% | 16.015 2h56m | 69.20 81206 0.00%
Jan 10 07:18 | 1439 31.1% | 16.023 2h56m | 69.17 81206 0.00%
Jan 10 07:18 | 1440 31.2% | 16.022 2h56m | 69.17 81206 0.00%
Jan 10 07:18 | 1451 31.4% | 15.880 2h54m | 69.79 81206 0.00%
Jan 10 07:19 | 1455 31.5% | 15.868 2h54m | 69.84 81206 0.00%
Jan 10 07:19 | 1460 31.6% | 15.870 2h53m | 69.83 81206 0.00%
Jan 10 07:19 | 1464 31.7% | 15.866 2h53m | 69.85 81206 0.00%
Jan 10 07:19 | 1467 31.8% | 16.032 2h55m | 69.13 81206 0.00%
Jan 10 07:20 | 1472 31.9% | 15.868 2h52m | 69.84 81206 0.00%
Jan 10 07:20 | 1475 32.0% | 15.848 2h52m | 69.93 81206 0.00%
Jan 10 07:20 | 1476 32.1% | 15.836 2h52m | 69.98 81206 0.00%
Jan 10 07:20 | 1479 32.2% | 15.875 2h52m | 69.81 81206 0.00%
Jan 10 07:21 | 1484 32.3% | 15.848 2h51m | 69.93 81206 0.00%
Jan 10 07:21 | 1491 32.4% | 15.987 2h52m | 69.32 81206 0.00%
Jan 10 07:21 | 1496 32.5% | 15.958 2h52m | 69.45 81206 0.00%
Jan 10 07:21 | 1499 32.6% | 15.873 2h51m | 69.82 81206 0.00%
Jan 10 07:22 | 1500 32.7% | 15.853 2h50m | 69.91 81206 0.00%
Jan 10 07:22 | 1511 32.8% | 15.838 2h50m | 69.97 81206 0.00%
Jan 10 07:22 | 1512 32.9% | 15.841 2h50m | 69.96 81206 0.00%
Jan 10 07:23 | 1520 33.0% | 16.030 2h51m | 69.14 81206 0.00%
Jan 10 07:23 | 1524 33.1% | 15.971 2h50m | 69.39 81206 0.00%
Jan 10 07:23 | 1527 33.2% | 16.052 2h51m | 69.04 81206 0.00%
Jan 10 07:23 | 1532 33.3% | 15.979 2h50m | 69.36 81206 0.00%
Jan 10 07:24 | 1535 33.4% | 16.043 2h50m | 69.08 81206 0.00%
Jan 10 07:24 | 1539 33.5% | 16.062 2h50m | 69.00 81206 0.00%
Jan 10 07:24 | 1544 33.6% | 16.036 2h50m | 69.11 81206 0.00%
Jan 10 07:24 | 1551 33.8% | 15.871 2h48m | 69.83 81206 0.00%
Jan 10 07:25 | 1556 33.9% | 15.869 2h47m | 69.84 81206 0.00%
Jan 10 07:25 | 1559 34.0% | 15.828 2h47m | 70.02 81206 0.00%
Jan 10 07:25 | 1560 34.1% | 15.896 2h47m | 69.72 81206 0.00%
Jan 10 07:25 | 1572 34.2% | 16.033 2h48m | 69.12 81206 0.00%
Jan 10 07:26 | 1575 34.3% | 15.977 2h48m | 69.37 81206 0.00%
Jan 10 07:26 | 1584 34.4% | 15.754 2h45m | 70.35 81206 0.00%
Jan 10 07:26 | 1587 34.5% | 15.835 2h46m | 69.99 81206 0.00%
Jan 10 07:27 | 1595 34.6% | 15.842 2h45m | 69.96 81206 0.00%
Jan 10 07:27 | 1596 34.7% | 15.867 2h45m | 69.85 81206 0.00%
Jan 10 07:27 | 1604 34.8% | 15.946 2h46m | 69.50 81206 0.00%
Jan 10 07:27 | 1607 34.9% | 16.006 2h46m | 69.24 81206 0.00%
Jan 10 07:28 | 1611 35.0% | 15.940 2h45m | 69.53 81206 0.00%
Jan 10 07:28 | 1616 35.1% | 15.879 2h44m | 69.79 81206 0.00%
Jan 10 07:28 | 1619 35.2% | 15.869 2h44m | 69.84 81206 0.00%
Jan 10 07:28 | 1631 35.3% | 15.823 2h43m | 70.04 81206 0.00%
Jan 10 07:29 | 1632 35.4% | 15.879 2h44m | 69.79 81206 0.00%
Jan 10 07:29 | 1640 35.5% | 16.030 2h45m | 69.14 81206 0.00%
Jan 10 07:29 | 1644 35.6% | 16.001 2h44m | 69.26 81206 0.00%
Jan 10 07:29 | 1647 35.7% | 15.988 2h44m | 69.32 81206 0.00%
Jan 10 07:30 | 1652 35.8% | 15.821 2h42m | 70.05 81206 0.00%
Jan 10 07:30 | 1656 35.9% | 15.872 2h42m | 69.82 81206 0.00%
Jan 10 07:30 | 1659 36.0% | 15.827 2h41m | 70.02 81206 0.00%
Jan 10 07:31 | 1664 36.1% | 15.832 2h41m | 70.00 81206 0.00%
Jan 10 07:31 | 1667 36.2% | 15.937 2h42m | 69.54 81206 0.00%
Jan 10 07:31 | 1671 36.4% | 15.876 2h41m | 69.81 81206 0.00%
Jan 10 07:31 | 1680 36.5% | 15.828 2h40m | 70.02 81206 0.00%
Jan 10 07:32 | 1691 36.6% | 15.841 2h40m | 69.96 81206 0.00%
Jan 10 07:32 | 1692 36.7% | 16.026 2h42m | 69.15 81206 0.00%
Jan 10 07:32 | 1695 36.8% | 15.919 2h41m | 69.62 81206 0.00%
Jan 10 07:32 | 1700 36.9% | 16.020 2h41m | 69.18 81206 0.00%
Jan 10 07:33 | 1707 37.0% | 15.964 2h40m | 69.42 81206 0.00%
Jan 10 07:33 | 1715 37.1% | 15.853 2h39m | 69.91 81206 0.00%
Jan 10 07:33 | 1716 37.2% | 15.855 2h39m | 69.90 81206 0.00%
Jan 10 07:33 | 1719 37.3% | 15.834 2h38m | 69.99 81206 0.00%
Jan 10 07:34 | 1724 37.4% | 15.838 2h38m | 69.97 81206 0.00%
Jan 10 07:34 | 1727 37.5% | 15.824 2h38m | 70.04 81206 0.00%
Jan 10 07:34 | 1731 37.6% | 15.855 2h38m | 69.90 81206 0.00%
Jan 10 07:34 | 1736 37.7% | 15.832 2h37m | 70.00 81206 0.00%
Jan 10 07:35 | 1740 37.8% | 15.988 2h39m | 69.32 81206 0.00%
Jan 10 07:35 | 1751 37.9% | 16.029 2h39m | 69.14 81206 0.00%
Jan 10 07:35 | 1752 38.0% | 15.888 2h37m | 69.75 81206 0.00%
Jan 10 07:36 | 1755 38.1% | 15.848 2h36m | 69.93 81206 0.00%
Jan 10 07:36 | 1764 38.2% | 15.848 2h36m | 69.93 81206 0.00%
Jan 10 07:36 | 1772 38.3% | 15.849 2h36m | 69.93 81206 0.00%
Jan 10 07:36 | 1775 38.4% | 15.934 2h36m | 69.55 81206 0.00%
Jan 10 07:37 | 1776 38.5% | 15.967 2h37m | 69.41 81206 0.00%
Jan 10 07:37 | 1779 38.6% | 15.975 2h36m | 69.37 81206 0.00%
Jan 10 07:37 | 1784 38.8% | 15.842 2h35m | 69.96 81206 0.00%
Jan 10 07:37 | 1787 38.9% | 15.857 2h35m | 69.89 81206 0.00%
Jan 10 07:38 | 1791 39.0% | 15.825 2h34m | 70.03 81206 0.00%
Jan 10 07:38 | 1796 39.1% | 15.893 2h34m | 69.73 81206 0.00%
Jan 10 07:38 | 1799 39.2% | 15.905 2h34m | 69.68 81206 0.00%
Jan 10 07:38 | 1812 39.3% | 15.859 2h34m | 69.88 81206 0.00%
Jan 10 07:39 | 1815 39.4% | 15.845 2h33m | 69.94 81206 0.00%
Jan 10 07:39 | 1820 39.5% | 15.844 2h33m | 69.95 81206 0.00%
Jan 10 07:39 | 1824 39.6% | 15.835 2h33m | 69.99 81206 0.00%
Jan 10 07:40 | 1827 39.7% | 15.939 2h33m | 69.53 81206 0.00%
Jan 10 07:40 | 1832 39.8% | 15.995 2h34m | 69.29 81206 0.00%
Jan 10 07:40 | 1835 39.9% | 15.837 2h32m | 69.98 81206 0.00%
Jan 10 07:40 | 1836 40.0% | 15.844 2h32m | 69.95 81206 0.00%
Jan 10 07:41 | 1839 40.1% | 15.862 2h32m | 69.87 81206 0.00%
Jan 10 07:41 | 1847 40.2% | 15.861 2h31m | 69.87 81206 0.00%
Jan 10 07:41 | 1856 40.3% | 16.000 2h32m | 69.27 81206 0.00%
Jan 10 07:41 | 1859 40.4% | 15.909 2h31m | 69.66 81206 0.00%
Jan 10 07:42 | 1860 40.5% | 15.881 2h31m | 69.78 81206 0.00%
Jan 10 07:42 | 1871 40.6% | 15.839 2h30m | 69.97 81206 0.00%
Jan 10 07:42 | 1875 40.7% | 15.855 2h30m | 69.90 81206 0.00%
Jan 10 07:42 | 1880 40.8% | 15.841 2h29m | 69.96 81206 0.00%
Jan 10 07:43 | 1884 40.9% | 15.958 2h30m | 69.45 81206 0.00%
Jan 10 07:43 | 1887 41.0% | 15.834 2h29m | 69.99 81206 0.00%
Jan 10 07:43 | 1892 41.1% | 15.831 2h29m | 70.00 81206 0.00%
Jan 10 07:43 | 1895 41.2% | 15.815 2h28m | 70.08 81206 0.00%
Jan 10 07:44 | 1896 41.4% | 15.866 2h28m | 69.85 81206 0.00%
Jan 10 07:44 | 1904 41.5% | 15.874 2h28m | 69.82 81206 0.00%
Jan 10 07:44 | 1911 41.6% | 15.833 2h28m | 70.00 81206 0.00%
Jan 10 07:45 | 1916 41.7% | 15.828 2h27m | 70.02 81206 0.00%
Jan 10 07:45 | 1919 41.8% | 15.848 2h27m | 69.93 81206 0.00%
Jan 10 07:45 | 1920 41.9% | 15.851 2h27m | 69.92 81206 0.00%
Jan 10 07:45 | 1931 42.0% | 16.054 2h29m | 69.03 81206 0.00%
Jan 10 07:46 | 1940 42.1% | 15.925 2h27m | 69.59 81206 0.00%
Jan 10 07:46 | 1944 42.2% | 15.871 2h26m | 69.83 81206 0.00%
Jan 10 07:46 | 1947 42.3% | 15.837 2h26m | 69.98 81206 0.00%
Jan 10 07:46 | 1952 42.4% | 15.835 2h25m | 69.99 81206 0.00%
Jan 10 07:47 | 1955 42.5% | 15.840 2h25m | 69.97 81206 0.00%
Jan 10 07:47 | 1959 42.6% | 15.858 2h25m | 69.89 81206 0.00%
Jan 10 07:47 | 1964 42.7% | 15.837 2h25m | 69.98 81206 0.00%
Jan 10 07:47 | 1967 42.8% | 15.840 2h24m | 69.97 81206 0.00%
Jan 10 07:48 | 1971 42.9% | 15.831 2h24m | 70.00 81206 0.00%
Jan 10 07:48 | 1979 43.0% | 15.851 2h24m | 69.92 81206 0.00%
Jan 10 07:48 | 1980 43.1% | 15.940 2h25m | 69.53 81206 0.00%
Jan 10 07:49 | 1992 43.2% | 15.844 2h23m | 69.95 81206 0.00%
Jan 10 07:49 | 1995 43.3% | 16.013 2h25m | 69.21 81206 0.00%
Jan 10 07:49 | 2000 43.4% | 15.864 2h23m | 69.86 81206 0.00%
Jan 10 07:49 | 2004 43.5% | 15.848 2h23m | 69.93 81206 0.00%
Jan 10 07:50 | 2007 43.6% | 15.949 2h23m | 69.49 81206 0.00%
Jan 10 07:50 | 2015 43.8% | 15.996 2h23m | 69.28 81206 0.00%
Jan 10 07:50 | 2016 43.9% | 16.044 2h24m | 69.08 81206 0.00%
Jan 10 07:50 | 2024 44.0% | 15.845 2h22m | 69.94 81206 0.00%
Jan 10 07:51 | 2027 44.1% | 15.854 2h21m | 69.90 81206 0.00%
Jan 10 07:51 | 2036 44.2% | 15.841 2h21m | 69.96 81206 0.00%
Jan 10 07:51 | 2039 44.3% | 15.865 2h21m | 69.85 81206 0.00%
Jan 10 07:51 | 2051 44.4% | 15.997 2h22m | 69.28 81206 0.00%
2026-01-10 19:36:31 (10192): wrapper (7.24.26018): starting
2026-01-10 19:36:31 (10192): wrapper: running mfakto.exe (-d 0)
2026-01-10 19:36:31 (10192): wrapper: created child process 1944
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
SmallExp no
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 1800 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=621420829 bit_min=75 bit_max=76 (12.31 GHz-days)
Starting trial factoring M621420829 from 2^75 to 2^76 (12.31 GHz-days)
Using GPU kernel "cl_barrett15_82_gs_2"
Found a valid checkpoint file.
last finished class was: 2036
no factors found so far.
previous work took 7109827 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Jan 10 19:36 | 2039 44.3% | 22.290 3h18m | 49.72 81206 0.00%
Jan 10 19:37 | 2051 44.4% | 22.467 3h19m | 49.33 81206 0.00%
Jan 10 19:37 | 2052 44.5% | 22.282 3h17m | 49.74 81206 0.00%
Jan 10 19:38 | 2055 44.6% | 22.480 3h19m | 49.30 81206 0.00%
Jan 10 19:38 | 2060 44.7% | 22.376 3h18m | 49.53 81206 0.00%
Jan 10 19:38 | 2067 44.8% | 22.333 3h17m | 49.62 81206 0.00%
Jan 10 19:39 | 2072 44.9% | 22.053 3h14m | 50.25 81206 0.00%
Jan 10 19:39 | 2076 45.0% | 22.116 3h14m | 50.11 81206 0.00%
Jan 10 19:39 | 2079 45.1% | 22.345 3h16m | 49.60 81206 0.00%
Jan 10 19:40 | 2084 45.2% | 22.297 3h15m | 49.70 81206 0.00%
Jan 10 19:40 | 2087 45.3% | 22.258 3h14m | 49.79 81206 0.00%
Jan 10 19:41 | 2091 45.4% | 22.367 3h15m | 49.55 81206 0.00%
Jan 10 19:41 | 2099 45.5% | 22.191 3h13m | 49.94 81206 0.00%
Jan 10 19:41 | 2100 45.6% | 22.259 3h13m | 49.79 81206 0.00%
Jan 10 19:42 | 2111 45.7% | 22.244 3h13m | 49.82 81206 0.00%
Jan 10 19:42 | 2112 45.8% | 22.101 3h11m | 50.14 81206 0.00%
Jan 10 19:42 | 2115 45.9% | 22.120 3h11m | 50.10 81206 0.00%
Jan 10 19:43 | 2120 46.0% | 22.173 3h11m | 49.98 81206 0.00%
Jan 10 19:43 | 2127 46.1% | 22.086 3h10m | 50.18 81206 0.00%
Jan 10 19:43 | 2132 46.2% | 22.048 3h09m | 50.27 81206 0.00%
2026-01-10 21:00:02 (9764): wrapper (7.24.26018): starting
2026-01-10 21:00:02 (9764): wrapper: running mfakto.exe (-d 0)
2026-01-10 21:00:03 (9764): wrapper: created child process 16832
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
SmallExp no
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 1800 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=621420829 bit_min=75 bit_max=76 (12.31 GHz-days)
Starting trial factoring M621420829 from 2^75 to 2^76 (12.31 GHz-days)
Using GPU kernel "cl_barrett15_82_gs_2"
Found a valid checkpoint file.
last finished class was: 2120
no factors found so far.
previous work took 7510579 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Jan 10 21:00 | 2127 46.1% | 22.540 3h14m | 49.17 81206 0.00%
Jan 10 21:00 | 2132 46.2% | 22.817 3h16m | 48.57 81206 0.00%
Jan 10 21:01 | 2135 46.4% | 22.772 3h15m | 48.67 81206 0.00%
2026-01-10 21:24:17 (16520): wrapper (7.24.26018): starting
2026-01-10 21:24:17 (16520): wrapper: running mfakto.exe (-d 0)
2026-01-10 21:24:17 (16520): wrapper: created child process 17696
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
SmallExp no
UseBinfile mfakto_Kernels.elf
Compile-time options
Select device - Get device info:
Error -6 (Out of host memory): clCreateCommandQueue(device #1)
ERROR: init_CL(3, 0) failed
2026-01-10 21:24:24 (16520): mfakto.exe exited; CPU time 0.000000
2026-01-10 21:24:24 (16520): app exit status: 0x2
2026-01-10 21:24:24 (16520): called boinc_finish(195)
</stderr_txt>
]]>
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