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drummers-lowrise
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11)
Message boards :
Prime Sierpinski Problem :
PSP Double Check is Complete!
(Message 100651)
Posted 2517 days ago by reiner
Hello,
someone (I think its not Primegrid, because the prime is not on the homepage and no news until now) found an SoB Prime, 9.38M Digits, Rank 7.
http://primes.utm.edu/top20/page.php?id=3
http://primes.utm.edu/primes/page.php?id=122473
Has this find affect of our DoubleCheck?
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12)
Message boards :
AP26 - AP27 Search :
App testing
(Message 96835)
Posted 2632 days ago by reiner
Thanks for the Upgrade :-),
I can now run all GPU-Tasks.
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13)
Message boards :
AP26 - AP27 Search :
App testing
(Message 96831)
Posted 2632 days ago by reiner
I tested the App on Ubuntu 16.04 LTS (kernel 4.4.0-28.47-generic4.4.13),
amdgpu-pro 16.30.3-306809(beta) Driver, AMD A10-7850K, 2GB VRAM.
CPU runs great:
Solution: 25 366384 6171054912832631
Computation of K: 366384 SHIFT: 0 complete in 155 seconds
Computation of K: 366384 SHIFT: 64 complete in 154 seconds
Checkpoint: KMIN:366384 KMAX:366384 SHIFT:0 K:366384 ITER:2 (20.00%)
Computation of K: 366384 SHIFT: 128 complete in 157 seconds
Computation of K: 366384 SHIFT: 192 complete in 162 seconds
Checkpoint: KMIN:366384 KMAX:366384 SHIFT:0 K:366384 ITER:4 (40.00%)
Computation of K: 366384 SHIFT: 256 complete in 153 seconds
Computation of K: 366384 SHIFT: 320 complete in 155 seconds
Checkpoint: KMIN:366384 KMAX:366384 SHIFT:0 K:366384 ITER:6 (60.00%)
Computation of K: 366384 SHIFT: 384 complete in 154 seconds
Computation of K: 366384 SHIFT: 448 complete in 155 seconds
Checkpoint: KMIN:366384 KMAX:366384 SHIFT:0 K:366384 ITER:8 (80.00%)
Computation of K: 366384 SHIFT: 512 complete in 157 seconds
Computation of K: 366384 SHIFT: 576 complete in 156 seconds
Checkpoint: KMIN:366384 KMAX:366384 SHIFT:0 K:366384 ITER:10 (100.00%)
Checkpoint: KMIN:366384 KMAX:366384 SHIFT:0 K:366385 ITER:0 (100.00%)
But the GPU runs only with the older App-Version.
./ap26_opencl_linux64 366384 366384 0 -- 0
Command line: ./ap26_opencl_linux64 366384 366384 0 -- 0
AP26 OpenCL 10-shift search version 1.1-dev by Bryan Little and Iain Bethune
Compiled Jul 5 2016 with GCC 4.6.4
Search parameters are KMIN: 366384 KMAX: 366384 SHIFT: 0
Beginning a new search with parameters from the command line
Group 1 with 1 devices
Device 0
Platform name: AMD Accelerated Parallel Processing
Vendor: Advanced Micro Devices, Inc.
Device name: Spectre
using device 0
compiling clearok
building with optimizations
compiling clearsol
building with optimizations
compiling offset
building with optimizations
compiling setok
building with optimizations
compiling sieve
building with optimizations
compiling setupokok
building withOUT optimizations
compiling checkn
building withOUT optimizations
compiling done
local workgroup size for sieve kernel is 64 threads
1 K in this range remaining to be searched (0 skipped, 0 done).
Starting search... reporting APs of size 20 and larger
Solution: 25 366384 6171054912832631
Computation for K: 366384 SHIFT: 0 complete.
GPU time was 45 seconds
Computation for K: 366384 SHIFT: 64 complete.
GPU time was 44 seconds
Computation for K: 366384 SHIFT: 128 complete.
GPU time was 45 seconds
Computation for K: 366384 SHIFT: 192 complete.
GPU time was 45 seconds
Computation for K: 366384 SHIFT: 256 complete.
GPU time was 45 seconds
Computation for K: 366384 SHIFT: 320 complete.
GPU time was 45 seconds
Computation for K: 366384 SHIFT: 384 complete.
GPU time was 46 seconds
Computation for K: 366384 SHIFT: 448 complete.
GPU time was 45 seconds
Computation for K: 366384 SHIFT: 512 complete.
GPU time was 44 seconds
Computation for K: 366384 SHIFT: 576 complete.
GPU time was 45 seconds
total GPU time for K was 450 seconds
Checkpoint: KMIN=366384 KMAX=366384 SHIFT=0 K=366385 (100.00%)
But with the new App I get an Error. stderr.txt:
16:38:36 (4135): Can't open init data file - running in standalone mode
AP26 OpenCL 10-shift search version 1.1-dev by Bryan Little and Iain Bethune
Compiled Jul 13 2016 with GCC 4.4.7 20120313 (Red Hat 4.4.7-17)
Command line: ./ap26_opencl_linux64 366384 366384 0 -- 0
16:38:36 (4135): Can't open init data file - running in standalone mode
Error: boinc_get_opencl_ids() failed with error -108
It would be nice if the AP27-Search-App running on ALL AMD OpenCL-Devices and not like the current genefer/pps-sieve Apps,
who needs the "AMD-CAL" Driver who is really hard to get it work(i have give up with this).
The AMDGPU PRO Linux Driver runs very well and it support OpenCL1.2 out of the box.
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