Task 56668350
| Name | TF_76-77_164-182M_wu_21498_2 |
| Workunit | 50638622 |
| Created | 19 Jun 2026, 7:35:01 UTC |
| Sent | 19 Jun 2026, 7:39:26 UTC |
| Report deadline | 25 Jun 2026, 7:39:26 UTC |
| Received | 19 Jun 2026, 7:48:35 UTC |
| Server state | Over |
| Outcome | Computation error |
| Client state | Compute error |
| Exit status | 195 (0xc3) EXIT_CHILD_FAILED |
| Computer ID | 225596 |
| Run time | 59 sec |
| CPU time | 1 sec |
| Validate state | Invalid |
| Credit | 0.00 |
| Device peak FLOPS | 1,022.41 GFLOPS |
| Application version | TF v0.49 (cuda128) |
| Peak working set size | 112.29 MB |
| Peak swap size | 273.23 MB |
| Peak disk usage | 4.96 MB |
Stderr output
<core_client_version>8.0.2</core_client_version>
<![CDATA[
<message>
(unknown error) (87) - exit code 195 (0xc3)</message>
<stderr_txt>
2026-06-19 17:40:36 (3928): wrapper (7.24.26018): starting
2026-06-19 17:40:36 (3928): wrapper: running mfaktc-win-64.exe (-d 0)
2026-06-19 17:40:36 (3928): wrapper: created child process 6728
mfaktc v0.24.0 (64-bit build)
Compile-time options
THREADS_PER_BLOCK 256
SIEVE_SIZE_LIMIT 32 kiB
SIEVE_SIZE 193154 bits
SIEVE_SPLIT 250
MORE_CLASSES enabled
Runtime options
SievePrimes 25000
SievePrimesAdjust 1
SievePrimesMin 5000
SievePrimesMax 100000
NumStreams 3
CPUStreams 3
GridSize 3
GPU sieving enabled
GPUSievePrimes 82486
GPUSieveSize 512 Mib
GPUSieveProcessSize 16 Kib
Checkpoints enabled
CheckpointDelay 60 s
WorkFileAddDelay 600 s
Stages disabled
StopAfterFactor bit level
PrintMode compact
Logging disabled
V5UserID (none)
ComputerID (none)
AllowSleep yes
Warning: Cannot read LegacyResultsTxt from mfaktc.ini, set to 0 by default
LegacyResultsTxt no
TimeStampInResults no
Warning: Cannot read TimestampOnSameLine from mfaktc.ini, set to 0 by default
TimestampOnSameLine no
Warning: Cannot read ResultsFileTimestampInterval from mfaktc.ini, set to 1 by default
CUDA version info
binary compiled for CUDA 12.8
CUDA runtime version 12.8
CUDA driver version 13.0
CUDA device info
name NVIDIA GeForce GTX 1060 6GB
compute capability 6.1
max threads per block 1024
max shared memory per MP 98304 bytes
number of multiprocessors 10
clock rate (CUDA cores) 1809 MHz
memory clock rate: 4004 MHz
memory bus width: 192 bits
Automatic parameters
threads per grid 655360
GPUSievePrimes (adjusted) 82486
GPUsieve minimum exponent 1055144
running a simple self-test...
Self-test statistics
number of tests 104
successful tests 104
self-test PASSED!
got assignment: exp=181105543 bit_min=76 bit_max=77 (84.50 GHz-days)
Starting trial factoring M181105543 from 2^76 to 2^77 (84.50 GHz-days)
k_min = 208601742592320
k_max = 417203485184958
Using GPU kernel "barrett87_mul32_gs"
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Jun 19 17:40 | 0 0.1% | 12.794 3h24m | 594.45 82485 n.a.%
Jun 19 17:41 | 5 0.2% | 12.841 3h25m | 592.27 82485 n.a.%
Jun 19 17:41 | 12 0.3% | 12.930 3h26m | 588.20 82485 n.a.%
Jun 19 17:41 | 17 0.4% | 12.981 3h26m | 585.89 82485 n.a.%
Jun 19 17:41 | 21 0.5% | 13.035 3h27m | 583.46 82485 n.a.%
Jun 19 17:41 | 32 0.6% | 13.055 3h27m | 582.56 82485 n.a.%
Jun 19 17:42 | 33 0.7% | 13.103 3h28m | 580.43 82485 n.a.%
2026-06-19 17:43:28 (616): wrapper (7.24.26018): starting
2026-06-19 17:43:28 (616): wrapper: running mfaktc-win-64.exe (-d 0)
2026-06-19 17:43:28 (616): wrapper: created child process 8512
mfaktc v0.24.0 (64-bit build)
Compile-time options
THREADS_PER_BLOCK 256
SIEVE_SIZE_LIMIT 32 kiB
SIEVE_SIZE 193154 bits
SIEVE_SPLIT 250
MORE_CLASSES enabled
Runtime options
SievePrimes 25000
SievePrimesAdjust 1
SievePrimesMin 5000
SievePrimesMax 100000
NumStreams 3
CPUStreams 3
GridSize 3
GPU sieving enabled
GPUSievePrimes 82486
GPUSieveSize 512 Mib
GPUSieveProcessSize 16 Kib
Checkpoints enabled
CheckpointDelay 60 s
WorkFileAddDelay 600 s
Stages disabled
StopAfterFactor bit level
PrintMode compact
Logging disabled
V5UserID (none)
ComputerID (none)
AllowSleep yes
Warning: Cannot read LegacyResultsTxt from mfaktc.ini, set to 0 by default
LegacyResultsTxt no
TimeStampInResults no
Warning: Cannot read TimestampOnSameLine from mfaktc.ini, set to 0 by default
TimestampOnSameLine no
Warning: Cannot read ResultsFileTimestampInterval from mfaktc.ini, set to 1 by default
CUDA version info
binary compiled for CUDA 12.8
CUDA runtime version 12.8
CUDA driver version 13.0
CUDA device info
name NVIDIA GeForce GTX 1060 6GB
compute capability 6.1
max threads per block 1024
max shared memory per MP 98304 bytes
number of multiprocessors 10
clock rate (CUDA cores) 1809 MHz
memory clock rate: 4004 MHz
memory bus width: 192 bits
Automatic parameters
threads per grid 655360
GPUSievePrimes (adjusted) 82486
GPUsieve minimum exponent 1055144
running a simple self-test...
Self-test statistics
number of tests 104
successful tests 104
self-test PASSED!
got assignment: exp=181105543 bit_min=76 bit_max=77 (84.50 GHz-days)
Starting trial factoring M181105543 from 2^76 to 2^77 (84.50 GHz-days)
k_min = 208601742592320
k_max = 417203485184958
Using GPU kernel "barrett87_mul32_gs"
found a valid checkpoint file!
last finished class was: 21
no factors found so far.
previous work took 64581 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Jun 19 17:43 | 32 0.6% | 12.956 3h26m | 587.02 82485 n.a.%
Jun 19 17:43 | 33 0.7% | 12.991 3h26m | 585.43 82485 n.a.%
2026-06-19 17:45:27 (8516): wrapper (7.24.26018): starting
2026-06-19 17:45:27 (8516): wrapper: running mfaktc-win-64.exe (-d 0)
2026-06-19 17:45:27 (8516): wrapper: created child process 8820
mfaktc v0.24.0 (64-bit build)
Compile-time options
THREADS_PER_BLOCK 256
SIEVE_SIZE_LIMIT 32 kiB
SIEVE_SIZE 193154 bits
SIEVE_SPLIT 250
MORE_CLASSES enabled
Runtime options
SievePrimes 25000
SievePrimesAdjust 1
SievePrimesMin 5000
SievePrimesMax 100000
NumStreams 3
CPUStreams 3
GridSize 3
GPU sieving enabled
GPUSievePrimes 82486
GPUSieveSize 512 Mib
GPUSieveProcessSize 16 Kib
Checkpoints enabled
CheckpointDelay 60 s
WorkFileAddDelay 600 s
Stages disabled
StopAfterFactor bit level
PrintMode compact
Logging disabled
V5UserID (none)
ComputerID (none)
AllowSleep yes
Warning: Cannot read LegacyResultsTxt from mfaktc.ini, set to 0 by default
LegacyResultsTxt no
TimeStampInResults no
Warning: Cannot read TimestampOnSameLine from mfaktc.ini, set to 0 by default
TimestampOnSameLine no
Warning: Cannot read ResultsFileTimestampInterval from mfaktc.ini, set to 1 by default
CUDA version info
binary compiled for CUDA 12.8
CUDA runtime version 12.8
CUDA driver version 13.0
CUDA device info
name NVIDIA GeForce GTX 1060 6GB
compute capability 6.1
max threads per block 1024
max shared memory per MP 98304 bytes
number of multiprocessors 10
clock rate (CUDA cores) 1809 MHz
memory clock rate: 4004 MHz
memory bus width: 192 bits
Automatic parameters
threads per grid 655360
GPUSievePrimes (adjusted) 82486
GPUsieve minimum exponent 1055144
running a simple self-test...
Self-test statistics
number of tests 104
successful tests 104
self-test PASSED!
got assignment: exp=181105543 bit_min=76 bit_max=77 (84.50 GHz-days)
Starting trial factoring M181105543 from 2^76 to 2^77 (84.50 GHz-days)
k_min = 208601742592320
k_max = 417203485184958
Using GPU kernel "barrett87_mul32_gs"
found a valid checkpoint file!
last finished class was: 21
no factors found so far.
previous work took 64581 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Jun 19 17:45 | 32 0.6% | 12.950 3h25m | 587.29 82485 n.a.%
Jun 19 17:45 | 33 0.7% | 12.985 3h26m | 585.70 82485 n.a.%
Jun 19 17:46 | 41 0.8% | 13.113 3h28m | 579.99 82485 n.a.%
Jun 19 17:46 | 45 0.9% | 13.135 3h28m | 579.02 82485 n.a.%
Jun 19 17:46 | 48 1.0% | 4.463 1h10m | 1704.09 82485 n.a.%
ERROR: cudaGetLastError() returned 700: an illegal memory access was encountered
2026-06-19 17:46:25 (8516): mfaktc-win-64.exe exited; CPU time 1.031250
2026-06-19 17:46:25 (8516): app exit status: 0x1
2026-06-19 17:46:25 (8516): called boinc_finish(195)
</stderr_txt>
]]>
Main page · Your account · Message boards
Copyright © 2014-2026 BOINC Confederation / rebirther