Task 15236501

Name	TF_75-76_183-241M_wu_29855_1
Workunit	13905183
Created	11 Jan 2025, 0:39:18 UTC
Sent	11 Jan 2025, 1:50:24 UTC
Report deadline	16 Jan 2025, 7:50:24 UTC
Received	11 Jan 2025, 4:32:31 UTC
Server state	Over
Outcome	Computation error
Client state	Compute error
Exit status	195 (0xc3) EXIT_CHILD_FAILED
Computer ID	241277
Run time	3 sec
CPU time
Validate state	Invalid
Credit	0.00
Device peak FLOPS	152.26 GFLOPS
Application version	TF v0.43 (cuda100)
Peak working set size	4.45 MB
Peak swap size	1.49 MB
Peak disk usage	2.50 MB

Stderr output

<core_client_version>8.0.2</core_client_version>
<![CDATA[
<message>
(unknown error) (0) - exit code 195 (0xc3)</message>
<stderr_txt>
2025-01-11 05:53:58 (9276): wrapper (7.24.26018): starting
2025-01-11 05:53:58 (9276): wrapper: running mfaktc-win-64.exe (-d 0)
2025-01-11 05:53:58 (9276): wrapper: created child process 11536
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              256Mi 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  10.0
  CUDA runtime version      10.0
  CUDA driver version       10.10

CUDA device info
  name                      GeForce GT 740M
  compute capability        3.0
  max threads per block     1024
  max shared memory per MP  49152 byte
  number of multiprocessors 2
  CUDA cores per MP         192
  CUDA cores - total        384
  clock rate (CUDA cores)   895MHz
  memory clock rate:        901MHz
  memory bus width:         128 bit

Automatic parameters
  threads per grid          1048576
  GPUSievePrimes (adjusted) 82486
  GPUsieve minimum exponent 1055144

running a simple selftest...
ERROR: cudaGetLastError() returned 77: an illegal memory access was encountered
2025-01-11 05:53:59 (9276): mfaktc-win-64.exe exited; CPU time 0.015625
2025-01-11 05:53:59 (9276): app exit status: 0x1
2025-01-11 05:53:59 (9276): called boinc_finish(195)

</stderr_txt>
]]>