Task 24453600

Name	TF_75-76_257-376M_wu_174110_0
Workunit	22200476
Created	25 May 2025, 7:52:17 UTC
Sent	7 Jun 2025, 16:26:34 UTC
Report deadline	12 Jun 2025, 22:26:34 UTC
Received	7 Jun 2025, 17:37:14 UTC
Server state	Over
Outcome	Computation error
Client state	Compute error
Exit status	195 (0xc3) EXIT_CHILD_FAILED
Computer ID	245362
Run time	3 min 19 sec
CPU time	2 sec
Validate state	Invalid
Credit	0.00
Device peak FLOPS	190.91 GFLOPS
Application version	TF v0.43 (cuda120)
Peak working set size	89.04 MB
Peak swap size	371.17 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>
2025-06-07 13:05:57 (4496): wrapper (7.24.26018): starting
2025-06-07 13:05:57 (4496): wrapper: running mfaktc-win-64.exe (-d 0)
2025-06-07 13:05:57 (4496): wrapper: created child process 10160
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=375176939 bit_min=75 bit_max=76 (20.40 GHz-days)
Starting trial factoring M375176939 from 2^75 to 2^76 (20.40 GHz-days)
 k_min =  50348153010540
 k_max =  100696306024707
Using GPU kernel "barrett76_mul32_gs"
Date    Time | class   Pct |   time     ETA | GHz-d/day    Sieve     Wait
Jun 07 13:06 |    0   0.1% | 21.197   5h38m |     86.60    82485    n.a.%
Jun 07 13:06 |    4   0.2% | 21.160   5h37m |     86.75    82485    n.a.%
Jun 07 13:07 |    9   0.3% | 21.174   5h37m |     86.69    82485    n.a.%
Jun 07 13:07 |   16   0.4% | 21.170   5h37m |     86.71    82485    n.a.%
Jun 07 13:07 |   21   0.5% | 21.171   5h36m |     86.71    82485    n.a.%
Jun 07 13:08 |   24   0.6% | 21.187   5h36m |     86.64    82485    n.a.%
Jun 07 13:08 |   25   0.7% | 20.203   5h20m |     90.86    82485    n.a.%
Jun 07 13:08 |   36   0.8% | 20.186   5h20m |     90.94    82485    n.a.%
Jun 07 13:09 |   37   0.9% | 17.422   4h36m |    105.36    82485    n.a.%
ERROR: cudaGetLastError() returned 999: unknown error
2025-06-07 13:09:14 (4496): mfaktc-win-64.exe exited; CPU time 2.796875
2025-06-07 13:09:14 (4496): app exit status: 0x1
2025-06-07 13:09:14 (4496): called boinc_finish(195)

</stderr_txt>
]]>