Benchmarks (2015 - i7 5960X).txt

Benchmarks

Processor: Intel Core i7 5960X @ 4.0 GHz (8 cores, 16 threads)
OS       : Windows 7 Ultimate SP1
Compiler : Visual Studio 2013 - x64 Release /arch:AVX


All times in seconds.
Benchmarks for y-cruncher are included to give an overall idea of where Mini-Pi stands.


Constant : e
Size     : 1,000,000 digits
 - mini-pi.cpp:                             6.08135
 - mini-pi_optimized_1_cached_twiddles.cpp: 1.30907  <-- Auto-vectorization makes this almost
 - mini-pi_optimized_2_SSE3.cpp:            1.06806      as fast as the manual SSE3 version!
 - mini-pi_optimized_3_OpenMP.cpp           0.653037
 - y-cruncher v0.6.8 (sequential)           0.126
 - y-cruncher v0.6.8 (parallel)             0.084

Constant : Pi
Size     : 1,000,000 digits
 - mini-pi.cpp:                             18.166
 - mini-pi_optimized_1_cached_twiddles.cpp: 3.19418
 - mini-pi_optimized_2_SSE3.cpp:            2.54015
 - mini-pi_optimized_3_OpenMP.cpp           1.44208
 - y-cruncher v0.6.8 (sequential)           0.264
 - y-cruncher v0.6.8 (parallel)             0.197



Constant : e
Size     : 10,000,000 digits
 - mini-pi.cpp:                             66.5988
 - mini-pi_optimized_1_cached_twiddles.cpp: 12.6737
 - mini-pi_optimized_2_SSE3.cpp:            10.3766
 - mini-pi_optimized_3_OpenMP.cpp           3.16418
 - y-cruncher v0.6.8 (sequential)           1.075
 - y-cruncher v0.6.8 (parallel)             0.251

Constant : Pi
Size     : 10,000,000 digits
 - mini-pi.cpp:                             231.864
 - mini-pi_optimized_1_cached_twiddles.cpp: 41.0493
 - mini-pi_optimized_2_SSE3.cpp:            32.8839
 - mini-pi_optimized_3_OpenMP.cpp           9.99857
 - y-cruncher v0.6.8 (sequential)           2.858
 - y-cruncher v0.6.8 (parallel)             0.627



Constant : e
Size     : 100,000,000 digits
 - mini-pi.cpp:                             963.662
 - mini-pi_optimized_1_cached_twiddles.cpp: 177.405
 - mini-pi_optimized_2_SSE3.cpp:            144.891
 - mini-pi_optimized_3_OpenMP.cpp           35.731
 - y-cruncher v0.6.8 (sequential)           12.872
 - y-cruncher v0.6.8 (parallel)             1.845

Constant : Pi
Size     : 100,000,000 digits
 - mini-pi.cpp:                             3777.91
 - mini-pi_optimized_1_cached_twiddles.cpp: 667.652
 - mini-pi_optimized_2_SSE3.cpp:            540.887
 - mini-pi_optimized_3_OpenMP.cpp           128.566
 - y-cruncher v0.6.8 (sequential)           42.624
 - y-cruncher v0.6.8 (parallel)             5.294