Posts by mmonnin
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1) Message boards : Number crunching : Nvidia Tesla P100 Problems (Message 9778)
Posted 19 Mar 2024 by mmonnin
You most likely know I don't.

It was a confirmation post that an update for P100 systems didn't break other systems. Like it did earlier.
2) Message boards : Number crunching : Nvidia Tesla P100 Problems (Message 9776)
Posted 19 Mar 2024 by mmonnin
I saw the new version download. Works on both my PCs.
3) Message boards : Number crunching : Nvidia Tesla P100 Problems (Message 9764)
Posted 17 Mar 2024 by mmonnin
That fixed one of my PCs.

Another still errors out on every task
https://srbase.my-firewall.org/sr5/result.php?resultid=145885980


v31 is up, should reduce the driver requirement to 525


Awesome, thank you. This version works.
4) Message boards : Number crunching : Nvidia Tesla P100 Problems (Message 9760)
Posted 17 Mar 2024 by mmonnin
That fixed one of my PCs.

Another still errors out on every task
https://srbase.my-firewall.org/sr5/result.php?resultid=145885980
5) Message boards : Number crunching : Nvidia Tesla P100 Problems (Message 9757)
Posted 17 Mar 2024 by mmonnin
All errors with new version.
https://srbase.my-firewall.org/sr5/result.php?resultid=145853091

Please undo

Fine with 0.28, errors on 0.29.
6) Message boards : News : upcoming S66 batch change (Message 9262)
Posted 16 Nov 2023 by mmonnin
I don't see how changing deadlines does anything. It won't make tasks complete faster. If someone is running only SRBase this does nothing. If there a mix of projects then the client will adjust, once, if needed. But then will continue with the same project weighting.

If anything, someone with a large queue will just have tasks fail to complete before the deadline, be sent back to server, redistributed and end up at the back of someone else's queue.
7) Message boards : News : Formula BOINC project 11.11.2021 21:00 (UTC) - 14.11.2021 20:59 (UTC) (Message 7992)
Posted 11 Nov 2021 by mmonnin
Hi
Has the missing lib on Linux problem been solved?
https://srbase.my-firewall.org/sr5/forum_thread.php?id=1579&postid=7515#7515

Thanks


That should be included in the app now.


Lots of tasks failing asking for glibc 2.29 with driver 470 on 18.04


you must update glibc


You must send the correct version.

CUDA 100 version works but the server sends 99.6% CUDA111. 2 out of 560. Those 2 completed just fine with Ubuntu 18 and driver 470.
8) Message boards : News : Formula BOINC project 11.11.2021 21:00 (UTC) - 14.11.2021 20:59 (UTC) (Message 7989)
Posted 10 Nov 2021 by mmonnin
Hi
Has the missing lib on Linux problem been solved?
https://srbase.my-firewall.org/sr5/forum_thread.php?id=1579&postid=7515#7515

Thanks


That should be included in the app now.


Lots of tasks failing asking for glibc 2.29 with driver 470 on 18.04
9) Message boards : Number crunching : Trial Factoring (Message 6308)
Posted 20 Apr 2020 by mmonnin
Collatz is inflated.

by a factor of 1.527 - this is roughly what I'd expect, perhaps as high as 1.6 to match PPS Sieve and Moo credits (based on what I remember !)


Just as expected :)

Well, 1.6 is propably what we should shoot for Reb - so we need to have credit that resembles for 77-78 bit 165000x1.6 = 264000. That way we will align with Primegrid and Moo.

To be honest, I don't think that it is fair by Collatz :( They are seriously distorting the true amount of computations done by the BOINC community :(

Thanks for your usefull and enlightning feedback :)


Collatz is the worst example. Making credit like collatz will attract all the point whores and cheaters.
10) Message boards : Number crunching : Trial Factoring (Message 6265)
Posted 19 Apr 2020 by mmonnin
It's hard to ignore when we can only have 1 task per host and its minutes between tasks.
11) Message boards : Number crunching : Trial Factoring (Message 6261)
Posted 18 Apr 2020 by mmonnin
Much faster on my R7. 5:40 to 4hr
12) Message boards : Number crunching : mfakto --perftest (Message 6248)
Posted 16 Apr 2020 by mmonnin
Did you try the second one I posted later?


I didn't realize it was a new version.

mfakto 0.15pre6-MGW (64bit build) Runtime options Inifile mfakto.ini Verbosity 1 SieveOnGPU yes MoreClasses yes GPUSievePrimes 81157 GPUSieveProcessSize 24 Kib GPUSieveSize 96 Mib FlushInterval 0 WorkFile worktodo.txt ResultsFile results.txt Checkpoints enabled CheckpointDelay 300 s Stages enabled StopAfterFactor class PrintMode compact V5UserID none ComputerID none TimeStampInResults no VectorSize 2 GPUType GCN SmallExp no UseBinfile Select device - Get device info: OpenCL device info name gfx906 (Advanced Micro Devices, Inc.) device (driver) version OpenCL 2.0 AMD-APP (2841.5) (2841.5 (PAL,HSAIL)) maximum threads per block 1024 maximum threads per grid 1073741824 number of multiprocessors 60 (3840 compute elements) clock rate 1802 MHz Automatic parameters threads per grid 2097152 optimizing kernels for GCN Compiling kernels. Perftest Generate list of the first 1075766 primes: 273.01 ms 1. CPU-Sieve-Init (once per class, 960 times per test, avg. for 10 iterations) Init_class(sieveprimes= 5000): 1.30 ms Init_class(sieveprimes= 20000): 5.80 ms Init_class(sieveprimes= 80000): 25.50 ms Init_class(sieveprimes= 200000): 67.50 ms Init_class(sieveprimes= 500000): 180.01 ms Init_class(sieveprimes=1000000): 377.61 ms 2. CPU-Sieve (output rate M/s) 3. Memory copy to GPU (blocks of 8388608 bytes) Standard copy, standard queue: 800 MB in 408.0 ms (2055.9 MB/s) (real) Standard copy, profiled queue: 800 MB in 354.6 ms (2365.5 MB/s) (real) 800 MB in 69.6 ms (12059.4 MB/s) (profiled data) 8 MB in 0.7 ms (12500.9 MB/s) (profiled data, peak) Standard copy, two queues: 800 MB in 373.0 ms (2248.8 MB/s) (real) Reinitializing with gpu_sieving enabled. Select device - Get device info: OpenCL device info name gfx906 (Advanced Micro Devices, Inc.) device (driver) version OpenCL 2.0 AMD-APP (2841.5) (2841.5 (PAL,HSAIL)) maximum threads per block 1024 maximum threads per grid 1073741824 number of multiprocessors 60 (3840 compute elements) clock rate 1802 MHz Automatic parameters threads per grid 2097152 optimizing kernels for GCN Compiling kernels. 4. GPU sieve, 10 iterations each GPUSievePrimes (adjusted) 52534 GPUsieve minimum exponent 646182 gpusieve_init: 129.007000 ms (CPU work) gpusieve_init_exponent: 0.200000 ms (CalcModularInverses) gpusieve_init_class: 0.000000 ms (CalcBitToClear) gpusieve: 1.100100 ms (SegSieve) tf: 11.100600 ms = 11902.111237 M/s (raw rate, cl_barrett15_69_gs) Runtime options Inifile mfakto.ini Verbosity 1 SieveOnGPU yes MoreClasses yes GPUSievePrimes 81157 GPUSieveProcessSize 24 Kib GPUSieveSize 96 Mib FlushInterval 0 WorkFile worktodo.txt ResultsFile results.txt Checkpoints enabled CheckpointDelay 300 s Stages enabled StopAfterFactor class PrintMode compact V5UserID none ComputerID none TimeStampInResults no VectorSize 2 GPUType GCN SmallExp no UseBinfile Select device - Get device info: OpenCL device info name gfx906 (Advanced Micro Devices, Inc.) device (driver) version OpenCL 2.0 AMD-APP (2841.5) (2841.5 (PAL,HSAIL)) maximum threads per block 1024 maximum threads per grid 1073741824 number of multiprocessors 60 (3840 compute elements) clock rate 1802 MHz Automatic parameters threads per grid 2097152 optimizing kernels for GCN Compiling kernels. GPUSievePrimes (adjusted) 81206 GPUsieve minimum exponent 1037054 5. GPU tf kernels exponent=78000071 ... calibrating exponent=78000071, 24575M FCs each, k=1891972028970, 0.766434 GHz-days (assignment), 0.050239 GHz-days (per test): .............. cl_barrett32_76_gs [64-76]: 2060.72 ms ==> 12505.26M FCs/s ==> 2106.38 GHz-days/day cl_barrett32_77_gs [64-77]: 2252.73 ms ==> 11439.38M FCs/s ==> 1926.85 GHz-days/day cl_barrett32_87_gs [65-87]: 2354.68 ms ==> 10944.09M FCs/s ==> 1843.42 GHz-days/day cl_barrett15_69_gs [60-69]: 2404.14 ms ==> 10718.94M FCs/s ==> 1805.50 GHz-days/day cl_barrett15_70_gs [60-69]: 2406.14 ms ==> 10710.03M FCs/s ==> 1804.00 GHz-days/day cl_barrett32_79_gs [64-79]: 2429.28 ms ==> 10608.00M FCs/s ==> 1786.81 GHz-days/day cl_barrett32_88_gs [65-88]: 2561.94 ms ==> 10058.69M FCs/s ==> 1694.28 GHz-days/day cl_barrett15_71_gs [60-70]: 2568.35 ms ==> 10033.62M FCs/s ==> 1690.06 GHz-days/day cl_barrett32_92_gs [65-92]: 2732.36 ms ==> 9431.35M FCs/s ==> 1588.61 GHz-days/day cl_barrett15_73_gs [60-73]: 2860.71 ms ==> 9008.19M FCs/s ==> 1517.34 GHz-days/day cl_barrett15_74_gs [60-74]: 2969.47 ms ==> 8678.24M FCs/s ==> 1461.76 GHz-days/day cl_barrett15_82_gs [60-81]: 3229.97 ms ==> 7978.35M FCs/s ==> 1343.87 GHz-days/day cl_barrett15_83_gs [60-82]: 3492.20 ms ==> 7379.26M FCs/s ==> 1242.96 GHz-days/day cl_barrett15_88_gs [60-87]: 3765.65 ms ==> 6843.39M FCs/s ==> 1152.70 GHz-days/day Resulting speed for M78000071: bit_min - bit_max GHz-days/day kernelname 60 - 64 1805.495 cl_barrett15_69_gs 64 - 76 2106.383 cl_barrett32_76_gs 76 - 77 1926.846 cl_barrett32_77_gs 77 - 87 1843.420 cl_barrett32_87_gs 87 - 88 1694.284 cl_barrett32_88_gs 88 - 92 1588.615 cl_barrett32_92_gs exponent=95795449 ... calibrating exponent=95795449, 24575M FCs each, k=1540511100790, 0.624058 GHz-days (assignment), 0.050239 GHz-days (per test): .............. cl_barrett32_76_gs [64-76]: 2105.12 ms ==> 12241.48M FCs/s ==> 2061.95 GHz-days/day cl_barrett32_77_gs [64-77]: 2268.13 ms ==> 11361.70M FCs/s ==> 1913.76 GHz-days/day cl_barrett32_87_gs [65-87]: 2371.49 ms ==> 10866.49M FCs/s ==> 1830.35 GHz-days/day cl_barrett15_70_gs [60-69]: 2408.68 ms ==> 10698.72M FCs/s ==> 1802.09 GHz-days/day cl_barrett32_79_gs [64-79]: 2430.14 ms ==> 10604.25M FCs/s ==> 1786.18 GHz-days/day cl_barrett15_69_gs [60-69]: 2432.14 ms ==> 10595.53M FCs/s ==> 1784.71 GHz-days/day cl_barrett15_71_gs [60-70]: 2586.24 ms ==> 9964.20M FCs/s ==> 1678.37 GHz-days/day cl_barrett32_88_gs [65-88]: 2609.06 ms ==> 9877.05M FCs/s ==> 1663.69 GHz-days/day cl_barrett32_92_gs [65-92]: 2760.92 ms ==> 9333.79M FCs/s ==> 1572.18 GHz-days/day cl_barrett15_73_gs [60-73]: 2887.16 ms ==> 8925.64M FCs/s ==> 1503.43 GHz-days/day cl_barrett15_74_gs [60-74]: 2972.86 ms ==> 8668.35M FCs/s ==> 1460.10 GHz-days/day cl_barrett15_82_gs [60-81]: 3235.13 ms ==> 7965.62M FCs/s ==> 1341.73 GHz-days/day cl_barrett15_83_gs [60-82]: 3492.58 ms ==> 7378.43M FCs/s ==> 1242.82 GHz-days/day cl_barrett15_88_gs [60-87]: 3837.41 ms ==> 6715.41M FCs/s ==> 1131.14 GHz-days/day Resulting speed for M95795449: bit_min - bit_max GHz-days/day kernelname 60 - 64 1802.090 cl_barrett15_70_gs 64 - 76 2061.953 cl_barrett32_76_gs 76 - 77 1913.762 cl_barrett32_77_gs 77 - 87 1830.349 cl_barrett32_87_gs 87 - 88 1663.688 cl_barrett32_88_gs 88 - 92 1572.181 cl_barrett32_92_gs mfakto 0.15pre6-MGW (64bit build) Runtime options Inifile mfaktonodp.ini Verbosity 1 SieveOnGPU yes MoreClasses yes GPUSievePrimes 81157 GPUSieveProcessSize 24 Kib GPUSieveSize 96 Mib FlushInterval 0 WorkFile worktodo.txt ResultsFile results.txt Checkpoints enabled CheckpointDelay 300 s Stages enabled StopAfterFactor class PrintMode compact V5UserID none ComputerID none TimeStampInResults no VectorSize 2 GPUType VLIW5 SmallExp no UseBinfile Select device - Get device info: OpenCL device info name gfx906 (Advanced Micro Devices, Inc.) device (driver) version OpenCL 2.0 AMD-APP (2841.5) (2841.5 (PAL,HSAIL)) maximum threads per block 1024 maximum threads per grid 1073741824 number of multiprocessors 60 (4800 compute elements) clock rate 1802 MHz Automatic parameters threads per grid 2097152 optimizing kernels for VLIW5 Compiling kernels. Perftest Generate list of the first 1075766 primes: 270.01 ms 1. CPU-Sieve-Init (once per class, 960 times per test, avg. for 10 iterations) Init_class(sieveprimes= 5000): 1.40 ms Init_class(sieveprimes= 20000): 5.70 ms Init_class(sieveprimes= 80000): 25.30 ms Init_class(sieveprimes= 200000): 67.80 ms Init_class(sieveprimes= 500000): 180.66 ms Init_class(sieveprimes=1000000): 377.75 ms 2. CPU-Sieve (output rate M/s) 3. Memory copy to GPU (blocks of 8388608 bytes) Standard copy, standard queue: 800 MB in 406.6 ms (2063.1 MB/s) (real) Standard copy, profiled queue: 800 MB in 358.8 ms (2338.0 MB/s) (real) 800 MB in 70.2 ms (11952.9 MB/s) (profiled data) 8 MB in 0.7 ms (12512.8 MB/s) (profiled data, peak) Standard copy, two queues: 800 MB in 375.4 ms (2234.6 MB/s) (real) Reinitializing with gpu_sieving enabled. Select device - Get device info: OpenCL device info name gfx906 (Advanced Micro Devices, Inc.) device (driver) version OpenCL 2.0 AMD-APP (2841.5) (2841.5 (PAL,HSAIL)) maximum threads per block 1024 maximum threads per grid 1073741824 number of multiprocessors 60 (4800 compute elements) clock rate 1802 MHz Automatic parameters threads per grid 2097152 optimizing kernels for VLIW5 Compiling kernels. 4. GPU sieve, 10 iterations each GPUSievePrimes (adjusted) 52534 GPUsieve minimum exponent 646182 gpusieve_init: 144.008000 ms (CPU work) gpusieve_init_exponent: 0.200050 ms (CalcModularInverses) gpusieve_init_class: 0.000000 ms (CalcBitToClear) gpusieve: 1.000000 ms (SegSieve) tf: 11.000700 ms = 12010.197169 M/s (raw rate, cl_barrett15_69_gs) Runtime options Inifile mfaktonodp.ini Verbosity 1 SieveOnGPU yes MoreClasses yes GPUSievePrimes 81157 GPUSieveProcessSize 24 Kib GPUSieveSize 96 Mib FlushInterval 0 WorkFile worktodo.txt ResultsFile results.txt Checkpoints enabled CheckpointDelay 300 s Stages enabled StopAfterFactor class PrintMode compact V5UserID none ComputerID none TimeStampInResults no VectorSize 2 GPUType VLIW5 SmallExp no UseBinfile Select device - Get device info: OpenCL device info name gfx906 (Advanced Micro Devices, Inc.) device (driver) version OpenCL 2.0 AMD-APP (2841.5) (2841.5 (PAL,HSAIL)) maximum threads per block 1024 maximum threads per grid 1073741824 number of multiprocessors 60 (4800 compute elements) clock rate 1802 MHz Automatic parameters threads per grid 2097152 optimizing kernels for VLIW5 Compiling kernels. GPUSievePrimes (adjusted) 81206 GPUsieve minimum exponent 1037054 5. GPU tf kernels exponent=78000071 ... calibrating exponent=78000071, 24575M FCs each, k=1891972028970, 0.766434 GHz-days (assignment), 0.050239 GHz-days (per test): .............. cl_barrett32_76_gs [64-76]: 2056.12 ms ==> 12533.23M FCs/s ==> 2111.09 GHz-days/day cl_barrett32_77_gs [64-77]: 2233.13 ms ==> 11539.78M FCs/s ==> 1943.76 GHz-days/day cl_barrett32_87_gs [65-87]: 2355.33 ms ==> 10941.04M FCs/s ==> 1842.91 GHz-days/day cl_barrett15_69_gs [60-69]: 2395.14 ms ==> 10759.22M FCs/s ==> 1812.28 GHz-days/day cl_barrett15_70_gs [60-69]: 2396.68 ms ==> 10752.29M FCs/s ==> 1811.11 GHz-days/day cl_barrett32_79_gs [64-79]: 2428.14 ms ==> 10612.99M FCs/s ==> 1787.65 GHz-days/day cl_barrett15_71_gs [60-70]: 2555.90 ms ==> 10082.49M FCs/s ==> 1698.29 GHz-days/day cl_barrett32_88_gs [65-88]: 2571.47 ms ==> 10021.41M FCs/s ==> 1688.00 GHz-days/day cl_barrett32_92_gs [65-92]: 2710.51 ms ==> 9507.35M FCs/s ==> 1601.42 GHz-days/day cl_barrett15_73_gs [60-73]: 2863.16 ms ==> 9000.46M FCs/s ==> 1516.04 GHz-days/day cl_barrett15_74_gs [60-74]: 2963.91 ms ==> 8694.52M FCs/s ==> 1464.50 GHz-days/day cl_barrett15_82_gs [60-81]: 3189.16 ms ==> 8080.42M FCs/s ==> 1361.06 GHz-days/day cl_barrett15_83_gs [60-82]: 3433.74 ms ==> 7504.88M FCs/s ==> 1264.12 GHz-days/day cl_barrett15_88_gs [60-87]: 3784.21 ms ==> 6809.83M FCs/s ==> 1147.05 GHz-days/day Resulting speed for M78000071: bit_min - bit_max GHz-days/day kernelname 60 - 64 1812.280 cl_barrett15_69_gs 64 - 76 2111.095 cl_barrett32_76_gs 76 - 77 1943.759 cl_barrett32_77_gs 77 - 87 1842.907 cl_barrett32_87_gs 87 - 88 1688.004 cl_barrett32_88_gs 88 - 92 1601.416 cl_barrett32_92_gs exponent=95795449 ... calibrating exponent=95795449, 24575M FCs each, k=1540511100790, 0.624058 GHz-days (assignment), 0.050239 GHz-days (per test): .............. cl_barrett32_76_gs [64-76]: 2056.66 ms ==> 12529.93M FCs/s ==> 2110.54 GHz-days/day cl_barrett32_77_gs [64-77]: 2233.33 ms ==> 11538.76M FCs/s ==> 1943.59 GHz-days/day cl_barrett32_87_gs [65-87]: 2356.13 ms ==> 10937.34M FCs/s ==> 1842.28 GHz-days/day cl_barrett15_70_gs [60-69]: 2396.14 ms ==> 10754.73M FCs/s ==> 1811.52 GHz-days/day cl_barrett15_69_gs [60-69]: 2404.33 ms ==> 10718.09M FCs/s ==> 1805.35 GHz-days/day cl_barrett32_79_gs [64-79]: 2418.94 ms ==> 10653.36M FCs/s ==> 1794.45 GHz-days/day cl_barrett32_88_gs [65-88]: 2559.15 ms ==> 10069.69M FCs/s ==> 1696.14 GHz-days/day cl_barrett15_71_gs [60-70]: 2567.15 ms ==> 10038.30M FCs/s ==> 1690.85 GHz-days/day cl_barrett32_92_gs [65-92]: 2724.45 ms ==> 9458.74M FCs/s ==> 1593.23 GHz-days/day cl_barrett15_73_gs [60-73]: 2854.12 ms ==> 9029.00M FCs/s ==> 1520.84 GHz-days/day cl_barrett15_74_gs [60-74]: 2957.17 ms ==> 8714.35M FCs/s ==> 1467.84 GHz-days/day cl_barrett15_82_gs [60-81]: 3199.15 ms ==> 8055.21M FCs/s ==> 1356.82 GHz-days/day cl_barrett15_83_gs [60-82]: 3424.26 ms ==> 7525.66M FCs/s ==> 1267.62 GHz-days/day cl_barrett15_88_gs [60-87]: 3768.41 ms ==> 6838.37M FCs/s ==> 1151.85 GHz-days/day Resulting speed for M95795449: bit_min - bit_max GHz-days/day kernelname 60 - 64 1811.524 cl_barrett15_70_gs 64 - 76 2110.538 cl_barrett32_76_gs 76 - 77 1943.585 cl_barrett32_77_gs 77 - 87 1842.284 cl_barrett32_87_gs 87 - 88 1696.136 cl_barrett32_88_gs 88 - 92 1593.227 cl_barrett32_92_gs
13) Message boards : Number crunching : mfakto --perftest (Message 6238)
Posted 16 Apr 2020 by mmonnin
I did ^^. The program crashed the driver.
14) Message boards : Number crunching : mfakto --perftest (Message 6105)
Posted 10 Apr 2020 by mmonnin
Not sure if it worked or not as the driver crashed. Radeon VII

mfakto 0.15pre6-MGW (64bit build) Runtime options Inifile mfakto.ini Verbosity 1 SieveOnGPU yes MoreClasses yes GPUSievePrimes 81157 GPUSieveProcessSize 24 Kib GPUSieveSize 96 Mib FlushInterval 0 WorkFile worktodo.txt ResultsFile results.txt Checkpoints enabled CheckpointDelay 300 s Stages enabled StopAfterFactor class PrintMode compact V5UserID none ComputerID none TimeStampInResults no VectorSize 2 GPUType GCN SmallExp no UseBinfile Select device - Get device info: OpenCL device info name gfx906 (Advanced Micro Devices, Inc.) device (driver) version OpenCL 2.0 AMD-APP (2841.5) (2841.5 (PAL,HSAIL)) maximum threads per block 1024 maximum threads per grid 1073741824 number of multiprocessors 60 (3840 compute elements) clock rate 1802 MHz Automatic parameters threads per grid 2097152 optimizing kernels for GCN Compiling kernels. Perftest Generate list of the first 1075766 primes: 283.02 ms 1. CPU-Sieve-Init (once per class, 960 times per test, avg. for 10 iterations) Init_class(sieveprimes= 5000): 1.30 ms Init_class(sieveprimes= 20000): 6.00 ms Init_class(sieveprimes= 80000): 25.10 ms Init_class(sieveprimes= 200000): 64.80 ms Init_class(sieveprimes= 500000): 175.31 ms Init_class(sieveprimes=1000000): 368.82 ms 2. CPU-Sieve (output rate M/s) Sieve size is fixed at compile time, cannot test with variable sizes. Just running 3 fixed tests. SievePrimes: 254 SieveSizeLimit 36 kiB 243.8 Best SieveSizeLimit for SievePrimes: 254 at kiB: 36 max M/s: 243.8 Survivors: 36.41% removal rate 425.9 3. Memory copy to GPU (blocks of 8388608 bytes) Standard copy, standard queue: 800 MB in 452.0 ms (1855.8 MB/s) (real) Standard copy, profiled queue: 800 MB in 359.0 ms (2336.5 MB/s) (real) 800 MB in 69.3 ms (12107.2 MB/s) (profiled data) 8 MB in 0.7 ms (12584.9 MB/s) (profiled data, peak) Standard copy, two queues: 800 MB in 372.0 ms (2254.9 MB/s) (real) Reinitializing with gpu_sieving enabled. Select device - Get device info: OpenCL device info name gfx906 (Advanced Micro Devices, Inc.) device (driver) version OpenCL 2.0 AMD-APP (2841.5) (2841.5 (PAL,HSAIL)) maximum threads per block 1024 maximum threads per grid 1073741824 number of multiprocessors 60 (3840 compute elements) clock rate 1802 MHz Automatic parameters threads per grid 2097152 optimizing kernels for GCN Compiling kernels. 4. GPU sieve, 10 iterations each GPUSievePrimes (adjusted) 52534 GPUsieve minimum exponent 646182 gpusieve_init: 125.007000 ms (CPU work) gpusieve_init_exponent: 0.200000 ms (CalcModularInverses) gpusieve_init_class: 0.000000 ms (CalcBitToClear) gpusieve: 1.000100 ms (SegSieve) tf: 11.000600 ms = 12010.306347 M/s (raw rate, cl_barrett15_69_gs) GPU sieve raw rate (input rate M/s) SievePrimes: 54 GPUSieveSize 0 MBit Error -61 (Invalid buffer size): clCreateBuffer (d_bitarray)
15) Message boards : Number crunching : Trial Factoring (Message 6030)
Posted 5 Apr 2020 by mmonnin
The windows opencl app was updated to the latest version.


All errors with the latest version. No changes on my end.
http://srbase.my-firewall.org/sr5/results.php?hostid=205182
16) Message boards : Number crunching : Trial Factoring (Message 6018)
Posted 4 Apr 2020 by mmonnin
On my GPU its 16.5x more credit and 17x longer so about in line with the 3k credit tasks. The 1500 credit tasks gave a bit more credit/hour.
17) Message boards : Number crunching : Trial Factoring tests (Message 5985)
Posted 1 Apr 2020 by mmonnin
Would the BOINC wrapper help?
https://boinc.berkeley.edu/trac/wiki/WrapperApp
The wrapper has the following command-line options:

--device N: macro-substitute N for $GPU_DEVICE_NUM

in worker command lines and environment variables.


no, app_config is better


Forcing users to setup an app config just to be able to use 2 GPUs is never better.
18) Message boards : Number crunching : Trial Factoring tests (Message 5982)
Posted 31 Mar 2020 by mmonnin
Would the BOINC wrapper help?
https://boinc.berkeley.edu/trac/wiki/WrapperApp
The wrapper has the following command-line options:

--device N: macro-substitute N for $GPU_DEVICE_NUM

in worker command lines and environment variables.
19) Message boards : Number crunching : Trial Factoring (Message 5941)
Posted 29 Mar 2020 by mmonnin
I haven't seen it yet but I'm guessing FP32?

Also what makes this run so much faster on Turing cards?

I see credit/runtime has doubled to 3k per task.


There is a higher bit lvl now and took twice in time.


You commented on the part that wasn't even a question...


For the other ones I dont have an answer :/


I doubt its FP64 or my Radeon VII would be much better than the Turing cards. Maybe its the GDDR6 or if its just FP16 it could make the Turing cards much better than Pascal.
20) Message boards : Number crunching : Trial Factoring (Message 5931)
Posted 29 Mar 2020 by mmonnin
I haven't seen it yet but I'm guessing FP32?

Also what makes this run so much faster on Turing cards?

I see credit/runtime has doubled to 3k per task.


There is a higher bit lvl now and took twice in time.


You commented on the part that wasn't even a question...


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