Task 41462835

Name	TF_75-76_681-691M_wu_9478_0
Workunit	37690126
Created	4 Dec 2025, 15:55:29 UTC
Sent	6 Dec 2025, 6:09:02 UTC
Report deadline	11 Dec 2025, 12:09:02 UTC
Received	6 Dec 2025, 7:43:08 UTC
Server state	Over
Outcome	Computation error
Client state	Compute error
Exit status	195 (0xc3) EXIT_CHILD_FAILED
Computer ID	246451
Run time	44 sec
CPU time	8 sec
Validate state	Invalid
Credit	0.00
Device peak FLOPS	394.47 GFLOPS
Application version	TF v0.43 (cuda120)
Peak working set size	93.43 MB
Peak swap size	386.47 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>
2025-12-06 15:12:05 (67436): wrapper (7.24.26018): starting
2025-12-06 15:12:05 (67436): wrapper: running mfaktc-win-64.exe (-d 0)
2025-12-06 15:12:05 (67436): wrapper: created child process 26292
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 M2000
  compute capability        5.2
  max threads per block     1024
  max shared memory per MP  98304 byte
  number of multiprocessors 6
  CUDA cores per MP         128
  CUDA cores - total        768
  clock rate (CUDA cores)   1162MHz
  memory clock rate:        3303MHz
  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=682081891 bit_min=75 bit_max=76 (11.22 GHz-days)
Starting trial factoring M682081891 from 2^75 to 2^76 (11.22 GHz-days)
 k_min =  27693838788000
 k_max =  55387677581601
Using GPU kernel "barrett76_mul32_gs"
Date    Time | class   Pct |   time     ETA | GHz-d/day    Sieve     Wait
Dec 06 15:12 |    0   0.1% |  5.277   1h24m |    191.34    82485    n.a.%
Dec 06 15:12 |    5   0.2% |  5.171   1h22m |    195.26    82485    n.a.%
Dec 06 15:12 |    8   0.3% |  5.175   1h22m |    195.11    82485    n.a.%
Dec 06 15:12 |    9   0.4% |  5.461   1h27m |    184.89    82485    n.a.%
Dec 06 15:12 |   20   0.5% |  5.790   1h32m |    174.38    82485    n.a.%
Dec 06 15:12 |   21   0.6% |  4.707   1h14m |    214.51    82485    n.a.%
ERROR: cudaGetLastError() returned 702: the launch timed out and was terminated
2025-12-06 15:12:47 (67436): mfaktc-win-64.exe exited; CPU time 8.421875
2025-12-06 15:12:47 (67436): app exit status: 0x1
2025-12-06 15:12:47 (67436): called boinc_finish(195)

</stderr_txt>
]]>