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Number crunching :
GFLOPs estimation ?
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Send message Joined: 30 Nov 11 Posts: 3 Credit: 35,558,259 RAC: 0 |
How are GFLOPs estimated or calculated. There doesn't seem to be any consistency in the reported numbers. Name de_modfit_fast_15_3s_136_simmodBPL2_2_1431361803_4336824_2 Workunit 830749579 Created 23 May 2015, 7:25:19 UTC Sent 23 May 2015, 7:26:07 UTC Report deadline 4 Jun 2015, 7:26:07 UTC Received 23 May 2015, 8:25:06 UTC Server state Over Outcome Success Client state Done Exit status 0 (0x0) Computer ID 540117 Run time 1 min 10 sec CPU time 4 sec Validate state Checked, but no consensus yet Credit 0.00 Device peak FLOPS 3,204.33 GFLOPS Application version Milkyway@Home Separation (Modified Fit) v1.36 (opencl_ati_101) Peak working set size 86.33 MB Peak swap size 84.62 MB Peak disk usage 0.01 MB Stderr output <core_client_version>7.4.42</core_client_version> <![CDATA[ <stderr_txt> <search_application> milkyway_separation 1.36 Windows x86_64 double OpenCL </search_application> Reading preferences ended prematurely BOINC GPU type suggests using OpenCL vendor 'Advanced Micro Devices, Inc.' Error loading Lua script 'astronomy_parameters.txt': [string "number_parameters: 4..."]:1: '<name>' expected near '4' Switching to Parameter File Using AVX path Found 1 platform Platform 0 information: Name: AMD Accelerated Parallel Processing Version: OpenCL 2.0 AMD-APP (1642.5) Vendor: Advanced Micro Devices, Inc. Extensions: cl_khr_icd cl_khr_d3d10_sharing cl_khr_d3d11_sharing cl_khr_dx9_media_sharing cl_amd_event_callback cl_amd_offline_devices Profile: FULL_PROFILE Using device 0 on platform 0 Found 1 CL device Device 'Capeverde' (Advanced Micro Devices, Inc.:0x1002) (CL_DEVICE_TYPE_GPU) Board: AMD Radeon HD 7700 Series Driver version: 1642.5 (VM) Version: OpenCL 1.2 AMD-APP (1642.5) Compute capability: 0.0 Max compute units: 10 Clock frequency: 1000 Mhz Global mem size: 1073741824 Local mem size: 32768 Max const buf size: 65536 Double extension: cl_khr_fp64 Estimated AMD GPU GFLOP/s: 100 SP GFLOP/s, 20 DP FLOP/s Warning: Bizarrely low flops (20). Defaulting to 100 Using a target frequency of 60.0 Using a block size of 2560 with 19 blocks/chunk Using clWaitForEvents() for polling (mode -1) Range: { nu_steps = 320, mu_steps = 800, r_steps = 700 } Iteration area: 560000 Chunk estimate: 11 Num chunks: 12 Chunk size: 48640 Added area: 23680 Effective area: 583680 Initial wait: 13 ms Integration time: 65.731973 s. Average time per iteration = 205.412417 ms Integral 0 time = 65.864070 s Running likelihood with 108458 stars Likelihood time = 1.787655 s <background_integral> 0.000361029167651 </background_integral> <stream_integral> 63.995507610904923 58.438187078859428 15.946579625183142 </stream_integral> <background_likelihood> -3.113372777326546 </background_likelihood> <stream_only_likelihood> -6.106013382804428 -6.195289213122145 -5.679857976626582 </stream_only_likelihood> <search_likelihood> -2.696424284356353 </search_likelihood> 08:46:19 (3744): called boinc_finish </stderr_txt> ]]> BobM |
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