Task 30617100
Name | TF_75-76_433-438M_wu_66515_0 |
Workunit | 27789151 |
Created | 4 Aug 2025, 15:18:47 UTC |
Sent | 8 Aug 2025, 10:51:07 UTC |
Report deadline | 13 Aug 2025, 16:51:07 UTC |
Received | 8 Aug 2025, 20:57:10 UTC |
Server state | Over |
Outcome | Computation error |
Client state | Compute error |
Exit status | 195 (0xc3) EXIT_CHILD_FAILED |
Computer ID | 246563 |
Run time | 5 min 20 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 | 89.11 MB |
Peak swap size | 371.25 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 06:59:33 (7728): wrapper (7.24.26018): starting
2025-08-08 06:59:33 (7728): wrapper: running mfaktc-win-64.exe (-d 0)
2025-08-08 06:59:33 (7728): wrapper: created child process 7128
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=436815773 bit_min=75 bit_max=76 (17.52 GHz-days)
Starting trial factoring M436815773 from 2^75 to 2^76 (17.52 GHz-days)
k_min = 43243552769340
k_max = 86487105544508
Using GPU kernel "barrett76_mul32_gs"
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Aug 08 06:59 | 0 0.1% | 18.440 4h54m | 85.50 82485 n.a.%
Aug 08 07:00 | 7 0.2% | 17.425 4h38m | 90.48 82485 n.a.%
Aug 08 07:00 | 15 0.3% | 17.449 4h38m | 90.36 82485 n.a.%
Aug 08 07:00 | 16 0.4% | 18.460 4h54m | 85.41 82485 n.a.%
Aug 08 07:01 | 27 0.5% | 18.459 4h53m | 85.41 82485 n.a.%
Aug 08 07:01 | 28 0.6% | 18.452 4h53m | 85.44 82485 n.a.%
Aug 08 07:01 | 31 0.7% | 17.458 4h37m | 90.31 82485 n.a.%
Aug 08 07:02 | 43 0.8% | 17.446 4h36m | 90.37 82485 n.a.%
Aug 08 07:02 | 48 0.9% | 19.459 5h08m | 81.02 82485 n.a.%
Aug 08 07:02 | 51 1.0% | 18.448 4h52m | 85.46 82485 n.a.%
Aug 08 07:02 | 52 1.1% | 18.442 4h51m | 85.49 82485 n.a.%
Aug 08 07:03 | 55 1.2% | 18.448 4h51m | 85.46 82485 n.a.%
Aug 08 07:03 | 60 1.4% | 18.460 4h51m | 85.41 82485 n.a.%
Aug 08 07:03 | 63 1.5% | 17.459 4h35m | 90.30 82485 n.a.%
Aug 08 07:04 | 67 1.6% | 19.441 5h06m | 81.10 82485 n.a.%
Aug 08 07:04 | 72 1.7% | 18.448 4h50m | 85.46 82485 n.a.%
Aug 08 07:04 | 76 1.8% | 14.196 3h43m | 111.06 82485 n.a.%
ERROR: cudaGetLastError() returned 999: unknown error
2025-08-08 07:04:52 (7728): mfaktc-win-64.exe exited; CPU time 2.687500
2025-08-08 07:04:52 (7728): app exit status: 0x1
2025-08-08 07:04:52 (7728): called boinc_finish(195)
</stderr_txt>
]]>
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