Stderr output

<core_client_version>8.2.11</core_client_version>
<![CDATA[
<message>
aborted by user</message>
<stderr_txt>
2026-11-11 22:36:47 (6080): wrapper (7.24.26018): starting
2026-11-11 22:36:47 (6080): wrapper: running mfakto.exe (-d 0)
2026-11-11 22:36:47 (6080): wrapper: created child process 2892
mfakto 0.16.0-beta.5-Win (64-bit build)


Runtime options
  INI file                  mfakto.ini
  Verbosity                 1
  SieveOnGPU                yes
  MoreClasses               yes
  GPUSievePrimes            81157
  GPUSieveProcessSize       24 Kib
  GPUSieveSize              96 Mib
  FlushInterval             0
  WorkFile                  worktodo.txt
  ResultsFile               results.txt
  JSONResultsFile           results.json.txt
  LogFile                   mfakto.log
  Checkpoints               enabled
  CheckpointDelay           60 s
  Stages                    disabled
  StopAfterFactor           bit level
  PrintMode                 compact
  Logging                   disabled
  V5UserID                  none
  ComputerID                none
  TimeStampInResults        yes
  LegacyResultsTxt          no
  VectorSize                2
  GPUType                   AUTO
  UseBinfile                mfakto_Kernels.elf

Compile-time options

Select device - Get device info:
Warning: Unknown GPU name, assuming a GCN (Graphics Core Next) device. Please
      post the name to the GIMPS forum or GitHub to have it added to mfakto.

      Device name:   gfx90c (Advanced Micro Devices, Inc.)
      mfakto thread: https://www.mersenneforum.org/node/11037
      GitHub:        https://github.com/primesearch/mfakto/issues

      You can also set GPUType in mfakto.ini to avoid this message.

OpenCL device info
  name                      gfx90c (Advanced Micro Devices, Inc.)
  device (driver) version   OpenCL 2.0 AMD-APP (3584.0) (3584.0 (PAL,HSAIL))
  maximum threads per block 1024
  maximum threads per grid  1073741824
  number of multiprocessors 7 (448 compute elements)
  clock rate                1900 MHz

Automatic parameters
  threads per grid          0
  optimizing kernels for    GCN

Compiling kernels.
  GPUSievePrimes (adjusted) 81206
  GPUsieve minimum exponent 1037054
Started a simple self-test ...
######### test case 1/30 (M1031831[63-64]) #########
######### test case 2/30 (M51332417[68-69]) #########
######### test case 3/30 (M50896831[69-70]) #########
######### test case 4/30 (M50979079[70-71]) #########
######### test case 5/30 (M51232133[71-72]) #########
######### test case 6/30 (M50830523[71-72]) #########
######### test case 7/30 (M50752613[72-73]) #########
######### test case 8/30 (M51507913[72-73]) #########
######### test case 9/30 (M51916901[73-74]) #########
######### test case 10/30 (M51157933[74-75]) #########
######### test case 11/30 (M51308501[75-76]) #########
######### test case 12/30 (M51671491[75-76]) #########
######### test case 13/30 (M50805581[77-78]) #########
######### test case 14/30 (M51157429[78-79]) #########
######### test case 15/30 (M51406151[78-79]) #########
######### test case 16/30 (M51478381[79-80]) #########
######### test case 17/30 (M51350527[80-81]) #########
######### test case 18/30 (M53061139[80-81]) #########
######### test case 19/30 (M48629519[81-82]) #########
######### test case 20/30 (M51752893[83-84]) #########
######### test case 21/30 (M51760133[83-84]) #########
######### test case 22/30 (M51090757[84-85]) #########
######### test case 23/30 (M51050171[84-85]) #########
######### test case 24/30 (M50989481[86-87]) #########
######### test case 25/30 (M50856937[86-87]) #########
######### test case 26/30 (M53065231[88-89]) #########
######### test case 27/30 (M3321929777[63-64]) #########
######### test case 28/30 (M3321930841[63-64]) #########
######### test case 29/30 (M55069117[64-65]) #########
######### test case 30/30 (M45448679[81-82]) #########

Self-test statistics
  number of tests           30
  successful tests          30

self-test PASSED!

got assignment: exp=216266441 bit_min=76 bit_max=77 (70.77 GHz-days)
Starting trial factoring M216266441 from 2^76 to 2^77 (70.77 GHz-days)
Using GPU kernel "cl_barrett15_82_gs_2"
Date    Time | class   Pct |   time     ETA | GHz-d/day    Sieve     Wait
Nov 11 22:37 |    0   0.1% | 40.598  10h48m |     156.88    81206    0.00%
Nov 11 22:38 |    3   0.2% | 40.617  10h48m |     156.80    81206    0.00%
Nov 11 22:38 |   15   0.3% | 40.628  10h48m |     156.76    81206    0.00%
Nov 11 22:39 |   16   0.4% | 40.623  10h47m |     156.78    81206    0.00%
Nov 11 22:40 |   19   0.5% | 40.573  10h45m |     156.97    81206    0.00%
Nov 11 22:40 |   24   0.6% | 40.572  10h45m |     156.98    81206    0.00%
Nov 11 22:41 |   28   0.7% | 40.584  10h44m |     156.93    81206    0.00%
Nov 11 22:42 |   31   0.8% | 40.600  10h44m |     156.87    81206    0.00%
Nov 11 22:42 |   36   0.9% | 40.569  10h43m |     156.99    81206    0.00%
Nov 11 22:43 |   40   1.0% | 40.566  10h42m |     157.00    81206    0.00%
Nov 11 22:44 |   48   1.1% | 40.579  10h41m |     156.95    81206    0.00%
Nov 11 22:44 |   51   1.2% | 40.586  10h41m |     156.92    81206    0.00%
Nov 11 22:45 |   55   1.4% | 40.581  10h40m |     156.94    81206    0.00%
Nov 11 22:46 |   63   1.5% | 40.576  10h39m |     156.96    81206    0.00%
Nov 11 22:47 |   64   1.6% | 40.690  10h40m |     156.52    81206    0.00%
Nov 11 22:47 |   75   1.7% | 40.586  10h38m |     156.92    81206    0.00%
Nov 11 22:48 |   79   1.8% | 40.629  10h38m |     156.76    81206    0.00%
Nov 11 22:49 |   84   1.9% | 40.593  10h37m |     156.90    81206    0.00%
Nov 11 22:49 |   91   2.0% | 40.578  10h36m |     156.95    81206    0.00%
Nov 11 22:50 |   96   2.1% | 40.572  10h35m |     156.98    81206    0.00%
Nov 11 22:51 |   99   2.2% | 40.602  10h35m |     156.86    81206    0.00%
Nov 11 22:51 |  100   2.3% | 40.584  10h34m |     156.93    81206    0.00%
Nov 11 22:52 |  103   2.4% | 40.567  10h33m |     157.00    81206    0.00%
</stderr_txt>
]]>