Task 30632048
| Name | TF_75-76_433-438M_wu_81440_0 |
| Workunit | 27804076 |
| Created | 4 Aug 2025, 15:25:24 UTC |
| Sent | 8 Aug 2025, 22:18:27 UTC |
| Report deadline | 14 Aug 2025, 4:18:27 UTC |
| Received | 9 Aug 2025, 0:05:47 UTC |
| Server state | Over |
| Outcome | Computation error |
| Client state | Compute error |
| Exit status | 195 (0xc3) EXIT_CHILD_FAILED |
| Computer ID | 245926 |
| Run time | 8 sec |
| CPU time | 1 sec |
| Validate state | Invalid |
| Credit | 0.00 |
| Device peak FLOPS | 340.48 GFLOPS |
| Application version | TF v0.43 (cuda120) |
| Peak working set size | 105.07 MB |
| Peak swap size | 371.35 MB |
| Peak disk usage | 3.45 MB |
Stderr output
<core_client_version>7.22.2</core_client_version>
<![CDATA[
<message>
The operating system cannot run %1.
(0xc3) - exit code 195 (0xc3)</message>
<stderr_txt>
2025-08-09 08:21:42 (32672): wrapper (7.24.26018): starting
2025-08-09 08:21:42 (32672): wrapper: running mfaktc-win-64.exe (-d 0)
2025-08-09 08:21:42 (32672): wrapper: created child process 24352
mfaktc v0.23.0 (64bit built)
Compiletime options
THREADS_PER_BLOCK 256
SIEVE_SIZE_LIMIT 32kiB
SIEVE_SIZE 193154bits
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 2047Mi bits
GPUSieveProcessSize 16Ki bits
Checkpoints enabled
CheckpointDelay 60s
WorkFileAddDelay disabled
Stages disabled
StopAfterFactor bitlevel
PrintMode compact
Logging disabled
V5UserID (none)
ComputerID (none)
AllowSleep yes
TimeStampInResults no
CUDA version info
binary compiled for CUDA 12.0
CUDA runtime version 12.0
CUDA driver version 12.60
CUDA device info
name NVIDIA GeForce GTX 750 Ti
compute capability 5.0
max threads per block 1024
max shared memory per MP 65536 byte
number of multiprocessors 5
CUDA cores per MP 128
CUDA cores - total 640
clock rate (CUDA cores) 1202MHz
memory clock rate: 2700MHz
memory bus width: 128 bit
Automatic parameters
threads per grid 655360
GPUSievePrimes (adjusted) 82486
GPUsieve minimum exponent 1055144
running a simple selftest...
Selftest statistics
number of tests 107
successfull tests 107
selftest PASSED!
got assignment: exp=437557199 bit_min=75 bit_max=76 (17.49 GHz-days)
Starting trial factoring M437557199 from 2^75 to 2^76 (17.49 GHz-days)
k_min = 43170278021640
k_max = 86340556044553
Using GPU kernel "barrett76_mul32_gs"
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Aug 09 08:21 | 0 0.1% | 8.800 2h20m | 178.86 82485 n.a.%
Aug 09 08:22 | 1 0.2% | 8.780 2h20m | 179.26 82485 n.a.%
Aug 09 08:22 | 4 0.3% | 8.786 2h20m | 179.14 82485 n.a.%
Aug 09 08:22 | 9 0.4% | 8.781 2h19m | 179.24 82485 n.a.%
Aug 09 08:22 | 16 0.5% | 8.781 2h19m | 179.24 82485 n.a.%
Aug 09 08:22 | 21 0.6% | 8.783 2h19m | 179.20 82485 n.a.%
Aug 09 08:22 | 24 0.7% | 8.783 2h19m | 179.20 82485 n.a.%
Aug 09 08:22 | 25 0.8% | 8.784 2h19m | 179.18 82485 n.a.%
Aug 09 08:23 | 36 0.9% | 8.786 2h19m | 179.14 82485 n.a.%
Aug 09 08:23 | 37 1.0% | 8.786 2h19m | 179.14 82485 n.a.%
Aug 09 08:23 | 45 1.1% | 8.788 2h19m | 179.10 82485 n.a.%
Aug 09 08:23 | 49 1.2% | 8.794 2h18m | 178.98 82485 n.a.%
Aug 09 08:23 | 57 1.4% | 8.790 2h18m | 179.06 82485 n.a.%
Aug 09 08:23 | 60 1.5% | 8.790 2h18m | 179.06 82485 n.a.%
Aug 09 08:23 | 64 1.6% | 8.792 2h18m | 179.02 82485 n.a.%
Aug 09 08:24 | 69 1.7% | 8.793 2h18m | 179.00 82485 n.a.%
Aug 09 08:24 | 72 1.8% | 8.792 2h18m | 179.02 82485 n.a.%
Aug 09 08:24 | 76 1.9% | 8.794 2h18m | 178.98 82485 n.a.%
Aug 09 08:24 | 81 2.0% | 8.790 2h17m | 179.06 82485 n.a.%
Aug 09 08:24 | 84 2.1% | 8.789 2h17m | 179.08 82485 n.a.%
Aug 09 08:24 | 97 2.2% | 8.791 2h17m | 179.04 82485 n.a.%
Aug 09 08:24 | 100 2.3% | 8.790 2h17m | 179.06 82485 n.a.%
Aug 09 08:25 | 105 2.4% | 8.793 2h17m | 179.00 82485 n.a.%
Aug 09 08:25 | 109 2.5% | 8.791 2h17m | 179.04 82485 n.a.%
Aug 09 08:25 | 112 2.6% | 8.791 2h17m | 179.04 82485 n.a.%
Aug 09 08:25 | 120 2.7% | 8.794 2h16m | 178.98 82485 n.a.%
Aug 09 08:25 | 121 2.8% | 8.791 2h16m | 179.04 82485 n.a.%
Aug 09 08:25 | 132 2.9% | 8.790 2h16m | 179.06 82485 n.a.%
Aug 09 08:25 | 136 3.0% | 8.792 2h16m | 179.02 82485 n.a.%
Aug 09 08:26 | 141 3.1% | 8.793 2h16m | 179.00 82485 n.a.%
Aug 09 08:26 | 144 3.2% | 8.791 2h16m | 179.04 82485 n.a.%
Aug 09 08:26 | 156 3.3% | 8.790 2h15m | 179.06 82485 n.a.%
Aug 09 08:26 | 157 3.4% | 8.792 2h15m | 179.02 82485 n.a.%
Aug 09 08:26 | 160 3.5% | 8.792 2h15m | 179.02 82485 n.a.%
Aug 09 08:26 | 165 3.6% | 8.793 2h15m | 179.00 82485 n.a.%
Aug 09 08:27 | 169 3.8% | 8.792 2h15m | 179.02 82485 n.a.%
Aug 09 08:27 | 172 3.9% | 8.788 2h15m | 179.10 82485 n.a.%
Aug 09 08:27 | 177 4.0% | 8.792 2h15m | 179.02 82485 n.a.%
Aug 09 08:27 | 181 4.1% | 8.791 2h14m | 179.04 82485 n.a.%
Aug 09 08:27 | 189 4.2% | 8.791 2h14m | 179.04 82485 n.a.%
Aug 09 08:27 | 192 4.3% | 8.793 2h14m | 179.00 82485 n.a.%
Aug 09 08:27 | 196 4.4% | 8.790 2h14m | 179.06 82485 n.a.%
Aug 09 08:28 | 204 4.5% | 8.791 2h14m | 179.04 82485 n.a.%
Aug 09 08:28 | 205 4.6% | 8.790 2h14m | 179.06 82485 n.a.%
Aug 09 08:28 | 216 4.7% | 8.794 2h14m | 178.98 82485 n.a.%
Aug 09 08:28 | 220 4.8% | 8.790 2h13m | 179.06 82485 n.a.%
Aug 09 08:28 | 225 4.9% | 8.790 2h13m | 179.06 82485 n.a.%
Aug 09 08:28 | 232 5.0% | 8.792 2h13m | 179.02 82485 n.a.%
Aug 09 08:28 | 237 5.1% | 8.792 2h13m | 179.02 82485 n.a.%
Aug 09 08:29 | 240 5.2% | 8.792 2h13m | 179.02 82485 n.a.%
Aug 09 08:29 | 241 5.3% | 8.791 2h13m | 179.04 82485 n.a.%
Aug 09 08:29 | 244 5.4% | 8.789 2h13m | 179.08 82485 n.a.%
Aug 09 08:29 | 249 5.5% | 8.796 2h12m | 178.94 82485 n.a.%
Aug 09 08:29 | 252 5.6% | 8.793 2h12m | 179.00 82485 n.a.%
Aug 09 08:29 | 256 5.7% | 8.794 2h12m | 178.98 82485 n.a.%
Aug 09 08:29 | 265 5.8% | 8.794 2h12m | 178.98 82485 n.a.%
Aug 09 08:30 | 276 5.9% | 8.791 2h12m | 179.04 82485 n.a.%
Aug 09 08:30 | 277 6.0% | 8.792 2h12m | 179.02 82485 n.a.%
Aug 09 08:30 | 280 6.1% | 8.791 2h12m | 179.04 82485 n.a.%
Aug 09 08:30 | 289 6.2% | 8.792 2h11m | 179.02 82485 n.a.%
Aug 09 08:30 | 297 6.4% | 8.793 2h11m | 179.00 82485 n.a.%
Aug 09 08:30 | 300 6.5% | 8.793 2h11m | 179.00 82485 n.a.%
Aug 09 08:30 | 301 6.6% | 8.795 2h11m | 178.96 82485 n.a.%
Aug 09 08:31 | 304 6.7% | 8.796 2h11m | 178.94 82485 n.a.%
Aug 09 08:31 | 309 6.8% | 8.792 2h11m | 179.02 82485 n.a.%
Aug 09 08:31 | 312 6.9% | 8.794 2h11m | 178.98 82485 n.a.%
Aug 09 08:31 | 321 7.0% | 8.792 2h10m | 179.02 82485 n.a.%
Aug 09 08:31 | 324 7.1% | 8.792 2h10m | 179.02 82485 n.a.%
Aug 09 08:31 | 325 7.2% | 8.791 2h10m | 179.04 82485 n.a.%
Aug 09 08:31 | 336 7.3% | 8.793 2h10m | 179.00 82485 n.a.%
Aug 09 08:32 | 337 7.4% | 8.793 2h10m | 179.00 82485 n.a.%
Aug 09 08:32 | 340 7.5% | 8.790 2h10m | 179.06 82485 n.a.%
Aug 09 08:32 | 345 7.6% | 8.791 2h09m | 179.04 82485 n.a.%
Aug 09 08:32 | 352 7.7% | 8.793 2h09m | 179.00 82485 n.a.%
Aug 09 08:32 | 357 7.8% | 8.792 2h09m | 179.02 82485 n.a.%
Aug 09 08:32 | 361 7.9% | 8.790 2h09m | 179.06 82485 n.a.%
Aug 09 08:33 | 364 8.0% | 8.794 2h09m | 178.98 82485 n.a.%
Aug 09 08:33 | 372 8.1% | 8.791 2h09m | 179.04 82485 n.a.%
Aug 09 08:33 | 381 8.2% | 8.790 2h09m | 179.06 82485 n.a.%
Aug 09 08:33 | 384 8.3% | 8.793 2h08m | 179.00 82485 n.a.%
Aug 09 08:33 | 385 8.4% | 8.794 2h08m | 178.98 82485 n.a.%
Aug 09 08:33 | 396 8.5% | 8.793 2h08m | 179.00 82485 n.a.%
Aug 09 08:33 | 400 8.6% | 8.792 2h08m | 179.02 82485 n.a.%
Aug 09 08:34 | 405 8.8% | 8.791 2h08m | 179.04 82485 n.a.%
Aug 09 08:34 | 409 8.9% | 8.790 2h08m | 179.06 82485 n.a.%
Aug 09 08:34 | 412 9.0% | 8.795 2h08m | 178.96 82485 n.a.%
Aug 09 08:34 | 417 9.1% | 8.792 2h07m | 179.02 82485 n.a.%
Aug 09 08:34 | 420 9.2% | 8.794 2h07m | 178.98 82485 n.a.%
Aug 09 08:34 | 421 9.3% | 8.793 2h07m | 179.00 82485 n.a.%
Aug 09 08:34 | 424 9.4% | 8.792 2h07m | 179.02 82485 n.a.%
Aug 09 08:35 | 429 9.5% | 8.792 2h07m | 179.02 82485 n.a.%
Aug 09 08:35 | 436 9.6% | 8.794 2h07m | 178.98 82485 n.a.%
Aug 09 08:35 | 441 9.7% | 8.794 2h07m | 178.98 82485 n.a.%
Aug 09 08:35 | 444 9.8% | 8.795 2h06m | 178.96 82485 n.a.%
Aug 09 08:35 | 445 9.9% | 8.794 2h06m | 178.98 82485 n.a.%
Aug 09 08:35 | 456 10.0% | 8.794 2h06m | 178.98 82485 n.a.%
Aug 09 08:35 | 457 10.1% | 8.793 2h06m | 179.00 82485 n.a.%
Aug 09 08:36 | 465 10.2% | 8.789 2h06m | 179.08 82485 n.a.%
Aug 09 08:36 | 469 10.3% | 8.794 2h06m | 178.98 82485 n.a.%
Aug 09 08:36 | 472 10.4% | 8.792 2h06m | 179.02 82485 n.a.%
Aug 09 08:36 | 477 10.5% | 8.794 2h05m | 178.98 82485 n.a.%
Aug 09 08:36 | 480 10.6% | 8.794 2h05m | 178.98 82485 n.a.%
Aug 09 08:36 | 484 10.7% | 8.792 2h05m | 179.02 82485 n.a.%
Aug 09 08:36 | 489 10.8% | 8.795 2h05m | 178.96 82485 n.a.%
Aug 09 08:37 | 496 10.9% | 8.792 2h05m | 179.02 82485 n.a.%
Aug 09 08:37 | 501 11.0% | 8.792 2h05m | 179.02 82485 n.a.%
Aug 09 08:37 | 504 11.1% | 8.793 2h05m | 179.00 82485 n.a.%
Aug 09 08:37 | 505 11.2% | 8.795 2h04m | 178.96 82485 n.a.%
2025-08-09 08:44:46 (9704): wrapper (7.24.26018): starting
2025-08-09 08:44:46 (9704): wrapper: running mfaktc-win-64.exe (-d 0)
2025-08-09 08:44:46 (9704): wrapper: created child process 25560
mfaktc v0.23.0 (64bit built)
Compiletime options
THREADS_PER_BLOCK 256
SIEVE_SIZE_LIMIT 32kiB
SIEVE_SIZE 193154bits
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 2047Mi bits
GPUSieveProcessSize 16Ki bits
Checkpoints enabled
CheckpointDelay 60s
WorkFileAddDelay disabled
Stages disabled
StopAfterFactor bitlevel
PrintMode compact
Logging disabled
V5UserID (none)
ComputerID (none)
AllowSleep yes
TimeStampInResults no
CUDA version info
binary compiled for CUDA 12.0
CUDA runtime version 12.0
CUDA driver version 12.60
CUDA device info
name NVIDIA GeForce GTX 750 Ti
compute capability 5.0
max threads per block 1024
max shared memory per MP 65536 byte
number of multiprocessors 5
CUDA cores per MP 128
CUDA cores - total 640
clock rate (CUDA cores) 1202MHz
memory clock rate: 2700MHz
memory bus width: 128 bit
Automatic parameters
threads per grid 655360
GPUSievePrimes (adjusted) 82486
GPUsieve minimum exponent 1055144
running a simple selftest...
Selftest statistics
number of tests 107
successfull tests 107
selftest PASSED!
got assignment: exp=437557199 bit_min=75 bit_max=76 (17.49 GHz-days)
Starting trial factoring M437557199 from 2^75 to 2^76 (17.49 GHz-days)
k_min = 43170278021640
k_max = 86340556044553
Using GPU kernel "barrett76_mul32_gs"
found a valid checkpoint file!
last finished class was: 496
found 0 factor(s) already
previous work took 923099 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Aug 09 08:45 | 501 11.0% | 12.809 3h02m | 122.88 82485 n.a.%
Aug 09 08:45 | 504 11.1% | 12.805 3h02m | 122.92 82485 n.a.%
Aug 09 08:45 | 505 11.2% | 12.805 3h01m | 122.92 82485 n.a.%
Aug 09 08:45 | 517 11.4% | 12.799 3h01m | 122.97 82485 n.a.%
Aug 09 08:45 | 520 11.5% | 12.811 3h01m | 122.86 82485 n.a.%
Aug 09 08:46 | 529 11.6% | 12.809 3h01m | 122.88 82485 n.a.%
Aug 09 08:46 | 532 11.7% | 12.806 3h00m | 122.91 82485 n.a.%
Aug 09 08:46 | 540 11.8% | 12.805 3h00m | 122.92 82485 n.a.%
Aug 09 08:46 | 541 11.9% | 12.807 3h00m | 122.90 82485 n.a.%
Aug 09 08:46 | 549 12.0% | 12.817 3h00m | 122.80 82485 n.a.%
Aug 09 08:47 | 552 12.1% | 12.814 3h00m | 122.83 82485 n.a.%
Aug 09 08:47 | 556 12.2% | 12.810 2h59m | 122.87 82485 n.a.%
Aug 09 08:47 | 561 12.3% | 12.807 2h59m | 122.90 82485 n.a.%
Aug 09 08:47 | 564 12.4% | 12.815 2h59m | 122.82 82485 n.a.%
Aug 09 08:48 | 576 12.5% | 12.811 2h59m | 122.86 82485 n.a.%
Aug 09 08:48 | 577 12.6% | 12.820 2h59m | 122.77 82485 n.a.%
Aug 09 08:48 | 585 12.7% | 12.806 2h58m | 122.91 82485 n.a.%
Aug 09 08:48 | 589 12.8% | 12.821 2h58m | 122.76 82485 n.a.%
Aug 09 08:48 | 592 12.9% | 12.814 2h58m | 122.83 82485 n.a.%
Aug 09 08:49 | 597 13.0% | 12.812 2h58m | 122.85 82485 n.a.%
Aug 09 08:49 | 601 13.1% | 12.818 2h58m | 122.79 82485 n.a.%
Aug 09 08:49 | 604 13.2% | 12.804 2h57m | 122.93 82485 n.a.%
Aug 09 08:49 | 609 13.3% | 12.811 2h57m | 122.86 82485 n.a.%
Aug 09 08:49 | 612 13.4% | 11.804 2h43m | 133.34 82485 n.a.%
Aug 09 08:50 | 616 13.5% | 8.797 2h01m | 178.92 82485 n.a.%
Aug 09 08:50 | 625 13.6% | 8.796 2h01m | 178.94 82485 n.a.%
Aug 09 08:50 | 636 13.8% | 8.795 2h01m | 178.96 82485 n.a.%
Aug 09 08:50 | 637 13.9% | 8.793 2h01m | 179.00 82485 n.a.%
Aug 09 08:50 | 640 14.0% | 8.796 2h01m | 178.94 82485 n.a.%
Aug 09 08:50 | 645 14.1% | 8.797 2h00m | 178.92 82485 n.a.%
Aug 09 08:50 | 652 14.2% | 8.797 2h00m | 178.92 82485 n.a.%
Aug 09 08:51 | 660 14.3% | 27.738 6h20m | 56.74 82485 n.a.%
Aug 09 08:51 | 661 14.4% | 8.789 2h00m | 179.08 82485 n.a.%
Aug 09 08:51 | 664 14.5% | 8.792 2h00m | 179.02 82485 n.a.%
Aug 09 08:51 | 669 14.6% | 8.793 2h00m | 179.00 82485 n.a.%
2025-08-09 08:54:54 (8388): wrapper (7.24.26018): starting
2025-08-09 08:54:54 (8388): wrapper: running mfaktc-win-64.exe (-d 0)
2025-08-09 08:54:54 (8388): wrapper: created child process 29604
mfaktc v0.23.0 (64bit built)
Compiletime options
THREADS_PER_BLOCK 256
SIEVE_SIZE_LIMIT 32kiB
SIEVE_SIZE 193154bits
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 2047Mi bits
GPUSieveProcessSize 16Ki bits
Checkpoints enabled
CheckpointDelay 60s
WorkFileAddDelay disabled
Stages disabled
StopAfterFactor bitlevel
PrintMode compact
Logging disabled
V5UserID (none)
ComputerID (none)
AllowSleep yes
TimeStampInResults no
CUDA version info
binary compiled for CUDA 12.0
CUDA runtime version 12.0
CUDA driver version 12.60
CUDA device info
name NVIDIA GeForce GTX 750 Ti
compute capability 5.0
max threads per block 1024
max shared memory per MP 65536 byte
number of multiprocessors 5
CUDA cores per MP 128
CUDA cores - total 640
clock rate (CUDA cores) 1202MHz
memory clock rate: 2700MHz
memory bus width: 128 bit
Automatic parameters
threads per grid 655360
GPUSievePrimes (adjusted) 82486
GPUsieve minimum exponent 1055144
running a simple selftest...
2025-08-09 09:26:57 (28472): wrapper (7.24.26018): starting
2025-08-09 09:26:57 (28472): wrapper: running mfaktc-win-64.exe (-d 0)
2025-08-09 09:26:57 (28472): wrapper: created child process 23216
mfaktc v0.23.0 (64bit built)
Compiletime options
THREADS_PER_BLOCK 256
SIEVE_SIZE_LIMIT 32kiB
SIEVE_SIZE 193154bits
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 2047Mi bits
GPUSieveProcessSize 16Ki bits
Checkpoints enabled
CheckpointDelay 60s
WorkFileAddDelay disabled
Stages disabled
StopAfterFactor bitlevel
PrintMode compact
Logging disabled
V5UserID (none)
ComputerID (none)
AllowSleep yes
TimeStampInResults no
CUDA version info
binary compiled for CUDA 12.0
CUDA runtime version 12.0
CUDA driver version 12.60
CUDA device info
name NVIDIA GeForce GTX 750 Ti
compute capability 5.0
max threads per block 1024
max shared memory per MP 65536 byte
number of multiprocessors 5
CUDA cores per MP 128
CUDA cores - total 640
clock rate (CUDA cores) 1202MHz
memory clock rate: 2700MHz
memory bus width: 128 bit
Automatic parameters
threads per grid 655360
GPUSievePrimes (adjusted) 82486
GPUsieve minimum exponent 1055144
running a simple selftest...
Selftest statistics
number of tests 107
successfull tests 107
selftest PASSED!
got assignment: exp=437557199 bit_min=75 bit_max=76 (17.49 GHz-days)
Starting trial factoring M437557199 from 2^75 to 2^76 (17.49 GHz-days)
k_min = 43170278021640
k_max = 86340556044553
Using GPU kernel "barrett76_mul32_gs"
found a valid checkpoint file!
last finished class was: 660
found 0 factor(s) already
previous work took 1318848 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Aug 09 09:27 | 661 14.4% | 30.939 7h03m | 50.87 82485 n.a.%
Aug 09 09:27 | 664 14.5% | 9.781 2h13m | 160.92 82485 n.a.%
Aug 09 09:27 | 669 14.6% | 11.783 2h41m | 133.58 82485 n.a.%
Aug 09 09:28 | 672 14.7% | 10.851 2h28m | 145.05 82485 n.a.%
Aug 09 09:28 | 676 14.8% | 10.796 2h27m | 145.79 82485 n.a.%
Aug 09 09:28 | 681 14.9% | 29.937 6h47m | 52.57 82485 n.a.%
2025-08-09 09:48:17 (31748): wrapper (7.24.26018): starting
2025-08-09 09:48:17 (31748): wrapper: running mfaktc-win-64.exe (-d 0)
2025-08-09 09:48:17 (31748): wrapper: created child process 2228
mfaktc v0.23.0 (64bit built)
Compiletime options
THREADS_PER_BLOCK 256
SIEVE_SIZE_LIMIT 32kiB
SIEVE_SIZE 193154bits
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 2047Mi bits
GPUSieveProcessSize 16Ki bits
Checkpoints enabled
CheckpointDelay 60s
WorkFileAddDelay disabled
Stages disabled
StopAfterFactor bitlevel
PrintMode compact
Logging disabled
V5UserID (none)
ComputerID (none)
AllowSleep yes
TimeStampInResults no
CUDA version info
binary compiled for CUDA 12.0
CUDA runtime version 12.0
CUDA driver version 12.60
CUDA device info
name NVIDIA GeForce GTX 750 Ti
compute capability 5.0
max threads per block 1024
max shared memory per MP 65536 byte
number of multiprocessors 5
CUDA cores per MP 128
CUDA cores - total 640
clock rate (CUDA cores) 1202MHz
memory clock rate: 2700MHz
memory bus width: 128 bit
Automatic parameters
threads per grid 655360
GPUSievePrimes (adjusted) 82486
GPUsieve minimum exponent 1055144
running a simple selftest...
Selftest statistics
number of tests 107
successfull tests 107
selftest PASSED!
got assignment: exp=437557199 bit_min=75 bit_max=76 (17.49 GHz-days)
Starting trial factoring M437557199 from 2^75 to 2^76 (17.49 GHz-days)
k_min = 43170278021640
k_max = 86340556044553
Using GPU kernel "barrett76_mul32_gs"
found a valid checkpoint file!
last finished class was: 672
found 0 factor(s) already
previous work took 1382202 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Aug 09 09:48 | 676 14.8% | 10.802 2h27m | 145.71 82485 n.a.%
Aug 09 09:48 | 681 14.9% | 10.779 2h26m | 146.02 82485 n.a.%
Aug 09 09:48 | 685 15.0% | 12.779 2h53m | 123.17 82485 n.a.%
Aug 09 09:49 | 696 15.1% | 12.780 2h53m | 123.16 82485 n.a.%
Aug 09 09:49 | 697 15.2% | 11.785 2h39m | 133.55 82485 n.a.%
Aug 09 09:49 | 700 15.3% | 11.784 2h39m | 133.57 82485 n.a.%
2025-08-09 10:07:01 (6280): wrapper (7.24.26018): starting
2025-08-09 10:07:01 (6280): wrapper: running mfaktc-win-64.exe (-d 0)
2025-08-09 10:07:02 (6280): wrapper: created child process 7848
mfaktc v0.23.0 (64bit built)
Compiletime options
THREADS_PER_BLOCK 256
SIEVE_SIZE_LIMIT 32kiB
SIEVE_SIZE 193154bits
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 2047Mi bits
GPUSieveProcessSize 16Ki bits
Checkpoints enabled
CheckpointDelay 60s
WorkFileAddDelay disabled
Stages disabled
StopAfterFactor bitlevel
PrintMode compact
Logging disabled
V5UserID (none)
ComputerID (none)
AllowSleep yes
TimeStampInResults no
CUDA version info
binary compiled for CUDA 12.0
CUDA runtime version 12.0
CUDA driver version 12.60
CUDA device info
name NVIDIA GeForce GTX 750 Ti
compute capability 5.0
max threads per block 1024
max shared memory per MP 65536 byte
number of multiprocessors 5
CUDA cores per MP 128
CUDA cores - total 640
clock rate (CUDA cores) 1202MHz
memory clock rate: 2700MHz
memory bus width: 128 bit
Automatic parameters
threads per grid 655360
GPUSievePrimes (adjusted) 82486
GPUsieve minimum exponent 1055144
running a simple selftest...
Selftest statistics
number of tests 107
successfull tests 107
selftest PASSED!
got assignment: exp=437557199 bit_min=75 bit_max=76 (17.49 GHz-days)
Starting trial factoring M437557199 from 2^75 to 2^76 (17.49 GHz-days)
k_min = 43170278021640
k_max = 86340556044553
Using GPU kernel "barrett76_mul32_gs"
found a valid checkpoint file!
last finished class was: 700
found 0 factor(s) already
previous work took 1452911 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Aug 09 10:07 | 709 15.4% | 22.389 5h03m | 70.30 82485 n.a.%
ERROR: cudaGetLastError() returned 702: the launch timed out and was terminated
2025-08-09 10:07:27 (6280): mfaktc-win-64.exe exited; CPU time 1.484375
2025-08-09 10:07:27 (6280): app exit status: 0x1
2025-08-09 10:07:27 (6280): called boinc_finish(195)
</stderr_txt>
]]>
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