Task 8716150

Name	TF_75-76_185-202M_wu_67557_0
Workunit	7951847
Created	24 Oct 2024, 16:00:22 UTC
Sent	30 Oct 2024, 16:01:54 UTC
Report deadline	4 Nov 2024, 22:01:54 UTC
Received	31 Oct 2024, 18:35:41 UTC
Server state	Over
Outcome	Computation error
Client state	Compute error
Exit status	195 (0xc3) EXIT_CHILD_FAILED
Computer ID	230339
Run time	1 min 31 sec
CPU time	2 sec
Validate state	Invalid
Credit	0.00
Device peak FLOPS	199.98 GFLOPS
Application version	TF v0.28 (cuda100)
Peak working set size	86.45 MB
Peak swap size	115.39 MB
Peak disk usage	2.15 MB

Stderr output

<core_client_version>8.0.2</core_client_version>
<![CDATA[
<message>
(unknown error) (0) - exit code 195 (0xc3)</message>
<stderr_txt>
2024-10-30 14:31:29 (6024): wrapper (7.24.26018): starting
2024-10-30 14:31:29 (6024): wrapper: running mfaktc-win-64.exe (-d 0)
2024-10-30 14:31:30 (6024): wrapper: created child process 6320
mfaktc v0.21 (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              64Mi bits
  GPUSieveProcessSize       16Ki bits
  Checkpoints               enabled
  CheckpointDelay           60s
  WorkFileAddDelay          disabled
  Stages                    enabled
  StopAfterFactor           class
  PrintMode                 full
  V5UserID                  (none)
  ComputerID                (none)
  AllowSleep                no
  TimeStampInResults        no

CUDA version info
  binary compiled for CUDA  10.0
  CUDA runtime version      10.0
  CUDA driver version       11.40

CUDA device info
  name                      NVIDIA GeForce 940M
  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)   1176MHz
  memory clock rate:        900MHz
  memory bus width:         64 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=195008579 bit_min=75 bit_max=76 (39.24 GHz-days)
Starting trial factoring M195008579 from 2^75 to 2^76 (39.24 GHz-days)
 k_min =  96864794500320
 k_max =  193729589009297
Using GPU kernel "barrett76_mul32_gs"
Date    Time | class   Pct |   time     ETA | GHz-d/day    Sieve     Wait
Oct 30 14:32 |    0   0.1% | 52.957  14h06m |     66.69    82485    n.a.%
Oct 30 14:32 |    4   0.2% | 32.006   8h31m |    110.34    82485    n.a.%
ERROR: cudaGetLastError() returned 6: the launch timed out and was terminated
2024-10-30 14:32:59 (6024): mfaktc-win-64.exe exited; CPU time 2.500000
2024-10-30 14:32:59 (6024): app exit status: 0x1
2024-10-30 14:32:59 (6024): called boinc_finish(195)

</stderr_txt>
]]>