Task 30615832
| Name | TF_75-76_433-438M_wu_65247_0 |
| Workunit | 27787883 |
| Created | 4 Aug 2025, 15:18:16 UTC |
| Sent | 8 Aug 2025, 10:03:03 UTC |
| Report deadline | 13 Aug 2025, 16:03:03 UTC |
| Received | 8 Aug 2025, 10:44:20 UTC |
| Server state | Over |
| Outcome | Computation error |
| Client state | Compute error |
| Exit status | 195 (0xc3) EXIT_CHILD_FAILED |
| Computer ID | 246563 |
| Run time | 10 min 57 sec |
| CPU time | 2 sec |
| Validate state | Invalid |
| Credit | 0.00 |
| Device peak FLOPS | 191.02 GFLOPS |
| Application version | TF v0.43 (cuda120) |
| Peak working set size | 89.21 MB |
| Peak swap size | 371.30 MB |
| Peak disk usage | 3.43 MB |
Stderr output
<core_client_version>8.0.2</core_client_version>
<![CDATA[
<message>
(unknown error) (0) - exit code 195 (0xc3)</message>
<stderr_txt>
2025-08-08 06:21:18 (5300): wrapper (7.24.26018): starting
2025-08-08 06:21:18 (5300): wrapper: running mfaktc-win-64.exe (-d 0)
2025-08-08 06:21:18 (5300): wrapper: created child process 2884
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 12.40
CUDA device info
name Quadro K620
compute capability 5.0
max threads per block 1024
max shared memory per MP 65536 byte
number of multiprocessors 3
CUDA cores per MP 128
CUDA cores - total 384
clock rate (CUDA cores) 1124MHz
memory clock rate: 900MHz
memory bus width: 128 bit
Automatic parameters
threads per grid 786432
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=436755611 bit_min=75 bit_max=76 (17.52 GHz-days)
Starting trial factoring M436755611 from 2^75 to 2^76 (17.52 GHz-days)
k_min = 43249509460080
k_max = 86499018928361
Using GPU kernel "barrett76_mul32_gs"
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Aug 08 06:21 | 0 0.1% | 17.417 4h38m | 90.53 82485 n.a.%
Aug 08 06:21 | 1 0.2% | 18.424 4h54m | 85.59 82485 n.a.%
Aug 08 06:22 | 4 0.3% | 17.438 4h38m | 90.42 82485 n.a.%
Aug 08 06:22 | 13 0.4% | 17.424 4h37m | 90.50 82485 n.a.%
Aug 08 06:22 | 24 0.5% | 17.433 4h37m | 90.45 82485 n.a.%
Aug 08 06:23 | 25 0.6% | 19.454 5h09m | 81.05 82485 n.a.%
Aug 08 06:23 | 28 0.7% | 18.435 4h52m | 85.53 82485 n.a.%
Aug 08 06:23 | 33 0.8% | 18.419 4h52m | 85.61 82485 n.a.%
Aug 08 06:24 | 36 0.9% | 17.426 4h36m | 90.49 82485 n.a.%
Aug 08 06:24 | 40 1.0% | 18.434 4h51m | 85.54 82485 n.a.%
Aug 08 06:24 | 45 1.1% | 19.434 5h07m | 81.14 82485 n.a.%
Aug 08 06:24 | 48 1.2% | 17.439 4h35m | 90.42 82485 n.a.%
Aug 08 06:25 | 49 1.4% | 18.455 4h51m | 85.44 82485 n.a.%
Aug 08 06:25 | 60 1.5% | 18.449 4h50m | 85.47 82485 n.a.%
Aug 08 06:25 | 61 1.6% | 19.434 5h06m | 81.14 82485 n.a.%
Aug 08 06:26 | 64 1.7% | 17.426 4h34m | 90.49 82485 n.a.%
Aug 08 06:26 | 69 1.8% | 17.441 4h34m | 90.41 82485 n.a.%
Aug 08 06:26 | 73 1.9% | 18.463 4h49m | 85.40 82485 n.a.%
Aug 08 06:27 | 81 2.0% | 18.419 4h48m | 85.61 82485 n.a.%
Aug 08 06:27 | 84 2.1% | 17.443 4h33m | 90.40 82485 n.a.%
Aug 08 06:27 | 85 2.2% | 17.446 4h33m | 90.38 82485 n.a.%
Aug 08 06:28 | 88 2.3% | 18.457 4h48m | 85.43 82485 n.a.%
Aug 08 06:28 | 96 2.4% | 19.432 5h03m | 81.15 82485 n.a.%
Aug 08 06:28 | 105 2.5% | 18.434 4h47m | 85.54 82485 n.a.%
Aug 08 06:28 | 108 2.6% | 17.441 4h31m | 90.41 82485 n.a.%
Aug 08 06:29 | 124 2.7% | 18.438 4h47m | 85.52 82485 n.a.%
Aug 08 06:29 | 129 2.8% | 18.452 4h46m | 85.46 82485 n.a.%
Aug 08 06:29 | 133 2.9% | 17.435 4h30m | 90.44 82485 n.a.%
Aug 08 06:30 | 136 3.0% | 17.442 4h30m | 90.40 82485 n.a.%
Aug 08 06:30 | 141 3.1% | 17.447 4h30m | 90.38 82485 n.a.%
Aug 08 06:30 | 144 3.2% | 18.426 4h45m | 85.58 82485 n.a.%
Aug 08 06:31 | 145 3.3% | 18.463 4h45m | 85.40 82485 n.a.%
Aug 08 06:31 | 148 3.4% | 18.434 4h44m | 85.54 82485 n.a.%
Aug 08 06:31 | 160 3.5% | 17.442 4h29m | 90.40 82485 n.a.%
Aug 08 06:31 | 165 3.6% | 17.426 4h28m | 90.49 82485 n.a.%
Aug 08 06:32 | 168 3.8% | 9.858 2h31m | 159.95 82485 n.a.%
ERROR: cudaGetLastError() returned 999: unknown error
2025-08-08 06:32:13 (5300): mfaktc-win-64.exe exited; CPU time 2.562500
2025-08-08 06:32:13 (5300): app exit status: 0x1
2025-08-08 06:32:13 (5300): called boinc_finish(195)
</stderr_txt>
]]>
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