Task 39321397
| Name | TF_75-76_610-620M_wu_193087_2 |
| Workunit | 35633725 |
| Created | 9 Nov 2025, 17:37:53 UTC |
| Sent | 9 Nov 2025, 17:40:02 UTC |
| Report deadline | 14 Nov 2025, 23:40:02 UTC |
| Received | 9 Nov 2025, 19:02:00 UTC |
| Server state | Over |
| Outcome | Computation error |
| Client state | Compute error |
| Exit status | 195 (0xc3) EXIT_CHILD_FAILED |
| Computer ID | 242167 |
| Run time | 9 min 59 sec |
| CPU time | 2 sec |
| Validate state | Invalid |
| Credit | 0.00 |
| Device peak FLOPS | 191.13 GFLOPS |
| Application version | TF v0.43 (cuda120) |
| Peak working set size | 89.05 MB |
| Peak swap size | 371.18 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>
2025-11-09 13:06:17 (9892): wrapper (7.24.26018): starting
2025-11-09 13:06:17 (9892): wrapper: running mfaktc-win-64.exe (-d 0)
2025-11-09 13:06:17 (9892): wrapper: created child process 8744
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=620647823 bit_min=75 bit_max=76 (12.33 GHz-days)
Starting trial factoring M620647823 from 2^75 to 2^76 (12.33 GHz-days)
k_min = 30435079654980
k_max = 60870159312485
Using GPU kernel "barrett76_mul32_gs"
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Nov 09 13:06 | 0 0.1% | 12.658 3h22m | 87.66 82485 n.a.%
Nov 09 13:06 | 1 0.2% | 12.636 3h21m | 87.81 82485 n.a.%
Nov 09 13:06 | 12 0.3% | 13.650 3h37m | 81.29 82485 n.a.%
Nov 09 13:07 | 13 0.4% | 12.656 3h21m | 87.68 82485 n.a.%
Nov 09 13:07 | 21 0.5% | 12.645 3h21m | 87.75 82485 n.a.%
Nov 09 13:07 | 25 0.6% | 13.651 3h37m | 81.29 82485 n.a.%
Nov 09 13:07 | 28 0.7% | 11.643 3h04m | 95.30 82485 n.a.%
Nov 09 13:08 | 33 0.8% | 13.656 3h36m | 81.26 82485 n.a.%
Nov 09 13:08 | 36 0.9% | 12.650 3h20m | 87.72 82485 n.a.%
Nov 09 13:08 | 40 1.0% | 11.646 3h04m | 95.28 82485 n.a.%
Nov 09 13:08 | 45 1.1% | 13.654 3h35m | 81.27 82485 n.a.%
Nov 09 13:08 | 52 1.2% | 12.649 3h19m | 87.72 82485 n.a.%
Nov 09 13:09 | 57 1.4% | 11.647 3h03m | 95.27 82485 n.a.%
Nov 09 13:09 | 60 1.5% | 13.655 3h35m | 81.26 82485 n.a.%
Nov 09 13:09 | 61 1.6% | 12.649 3h19m | 87.72 82485 n.a.%
Nov 09 13:09 | 73 1.7% | 11.653 3h03m | 95.22 82485 n.a.%
Nov 09 13:09 | 76 1.8% | 13.649 3h34m | 81.30 82485 n.a.%
Nov 09 13:10 | 85 1.9% | 12.649 3h18m | 87.72 82485 n.a.%
Nov 09 13:10 | 88 2.0% | 12.647 3h18m | 87.74 82485 n.a.%
Nov 09 13:10 | 96 2.1% | 13.652 3h33m | 81.28 82485 n.a.%
Nov 09 13:10 | 97 2.2% | 12.652 3h18m | 87.70 82485 n.a.%
Nov 09 13:11 | 105 2.3% | 12.647 3h17m | 87.74 82485 n.a.%
Nov 09 13:11 | 108 2.4% | 13.651 3h33m | 81.29 82485 n.a.%
Nov 09 13:11 | 112 2.5% | 11.643 3h01m | 95.30 82485 n.a.%
Nov 09 13:11 | 117 2.6% | 12.657 3h17m | 87.67 82485 n.a.%
Nov 09 13:11 | 120 2.7% | 13.653 3h32m | 81.27 82485 n.a.%
Nov 09 13:12 | 132 2.8% | 12.658 3h16m | 87.66 82485 n.a.%
Nov 09 13:12 | 133 2.9% | 12.655 3h16m | 87.68 82485 n.a.%
Nov 09 13:12 | 141 3.0% | 13.652 3h31m | 81.28 82485 n.a.%
Nov 09 13:12 | 145 3.1% | 11.644 3h00m | 95.30 82485 n.a.%
Nov 09 13:12 | 148 3.2% | 13.654 3h31m | 81.27 82485 n.a.%
Nov 09 13:13 | 153 3.3% | 12.649 3h15m | 87.72 82485 n.a.%
Nov 09 13:13 | 157 3.4% | 11.643 2h59m | 95.30 82485 n.a.%
Nov 09 13:13 | 160 3.5% | 13.659 3h30m | 81.24 82485 n.a.%
Nov 09 13:13 | 165 3.6% | 12.648 3h14m | 87.73 82485 n.a.%
Nov 09 13:13 | 168 3.8% | 11.643 2h59m | 95.30 82485 n.a.%
Nov 09 13:14 | 172 3.9% | 13.660 3h30m | 81.23 82485 n.a.%
Nov 09 13:14 | 181 4.0% | 12.647 3h14m | 87.74 82485 n.a.%
Nov 09 13:14 | 192 4.1% | 12.648 3h14m | 87.73 82485 n.a.%
Nov 09 13:14 | 193 4.2% | 12.651 3h13m | 87.71 82485 n.a.%
Nov 09 13:15 | 196 4.3% | 13.659 3h29m | 81.24 82485 n.a.%
Nov 09 13:15 | 201 4.4% | 12.655 3h13m | 87.68 82485 n.a.%
Nov 09 13:15 | 208 4.5% | 12.652 3h13m | 87.70 82485 n.a.%
Nov 09 13:15 | 216 4.6% | 12.650 3h13m | 87.72 82485 n.a.%
Nov 09 13:15 | 217 4.7% | 12.649 3h12m | 87.72 82485 n.a.%
Nov 09 13:16 | 220 4.8% | 10.934 2h46m | 101.48 82485 n.a.%
ERROR: cudaGetLastError() returned 999: unknown error
2025-11-09 13:16:14 (9892): mfaktc-win-64.exe exited; CPU time 2.000000
2025-11-09 13:16:14 (9892): app exit status: 0x1
2025-11-09 13:16:14 (9892): called boinc_finish(195)
</stderr_txt>
]]>
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