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diff --git a/src/boost/libs/variant2/benchmark/benchmark2.md b/src/boost/libs/variant2/benchmark/benchmark2.md new file mode 100644 index 00000000..9aad6488 --- /dev/null +++ b/src/boost/libs/variant2/benchmark/benchmark2.md @@ -0,0 +1,207 @@ +# benchmark2.cpp results + +## VS 2017 15.9.7 64 bit (cl.exe 19.16, /EHsc /std:c++17) + +### /Od + +#### Compile time + +``` + variant2 (-DONLY_V2): 1403 ms +boost::variant (-DONLY_BV): 2972 ms + std::variant (-DONLY_SV): 1057 ms +``` + +#### Run time + +``` +N=100000000: + prefix: 7016 ms; S=416666583333336 + variant2: 24723 ms; S=416666583333336 +boost::variant: 60438 ms; S=416666583333336 + std::variant: 20707 ms; S=416666583333336 +``` + +### /O2 /DNDEBUG + +#### Compile time + +``` + variant2 (-DONLY_V2): 1778 ms +boost::variant (-DONLY_BV): 3252 ms + std::variant (-DONLY_SV): 1372 ms +``` + +#### Run time + +``` +N=100000000: + prefix: 803 ms; S=416666583333336 + variant2: 2124 ms; S=416666583333336 +boost::variant: 6191 ms; S=416666583333336 + std::variant: 2193 ms; S=416666583333336 +``` + +## g++ 7.4.0 -std=c++17 (Cygwin 64 bit) + +### -O0 + +#### Compile time + +``` + variant2 (-DONLY_V2): 1739 ms +boost::variant (-DONLY_BV): 3113 ms + std::variant (-DONLY_SV): 1719 ms +``` + +#### Run time + +``` +N=100000000: + prefix: 5163 ms; S=416666583333336 + variant2: 20628 ms; S=416666583333336 +boost::variant: 43308 ms; S=416666583333336 + std::variant: 42375 ms; S=416666583333336 +``` + +### -O1 + +#### Compile time + +``` + variant2 (-DONLY_V2): 1484 ms +boost::variant (-DONLY_BV): 2947 ms + std::variant (-DONLY_SV): 1448 ms +``` + +#### Run time + +``` +N=100000000: + prefix: 781 ms; S=416666583333336 + variant2: 1992 ms; S=416666583333336 +boost::variant: 2249 ms; S=416666583333336 + std::variant: 4843 ms; S=416666583333336 +``` + +### -O2 -DNDEBUG + +#### Compile time + +``` + variant2 (-DONLY_V2): 1547 ms +boost::variant (-DONLY_BV): 2999 ms + std::variant (-DONLY_SV): 1528 ms +``` + +#### Run time + +``` +N=100000000: + prefix: 793 ms; S=416666583333336 + variant2: 1686 ms; S=416666583333336 +boost::variant: 1833 ms; S=416666583333336 + std::variant: 4340 ms; S=416666583333336 +``` + +### -O3 -DNDEBUG + +#### Compile time + +``` + variant2 (-DONLY_V2): 1595 ms +boost::variant (-DONLY_BV): 3084 ms + std::variant (-DONLY_SV): 1620 ms +``` + +#### Run time + +``` +N=100000000: + prefix: 853 ms; S=416666583333336 + variant2: 1681 ms; S=416666583333336 +boost::variant: 1773 ms; S=416666583333336 + std::variant: 3989 ms; S=416666583333336 +``` + +## clang++ 5.0.1 -std=c++17 -stdlib=libc++ (Cygwin 64 bit) + +### -O0 + +#### Compile time + +``` + variant2 (-DONLY_V2): 1578 ms +boost::variant (-DONLY_BV): 2623 ms + std::variant (-DONLY_SV): 1508 ms +``` + +#### Run time + +``` +N=100000000: + prefix: 4447 ms; S=416666583333336 + variant2: 16016 ms; S=416666583333336 +boost::variant: 42365 ms; S=416666583333336 + std::variant: 17817 ms; S=416666583333336 +``` + +### -O1 + +#### Compile time + +``` + variant2 (-DONLY_V2): 1841 ms +boost::variant (-DONLY_BV): 2919 ms + std::variant (-DONLY_SV): 1776 ms +``` + +#### Run time + +``` +N=100000000: + prefix: 1390 ms; S=416666583333336 + variant2: 5397 ms; S=416666583333336 +boost::variant: 23234 ms; S=416666583333336 + std::variant: 2807 ms; S=416666583333336 +``` + +### -O2 -DNDEBUG + +#### Compile time + +``` + variant2 (-DONLY_V2): 1766 ms +boost::variant (-DONLY_BV): 2817 ms + std::variant (-DONLY_SV): 1718 ms +``` + +#### Run time + +``` +N=100000000: + prefix: 604 ms; S=416666583333336 + variant2: 1625 ms; S=416666583333336 +boost::variant: 2735 ms; S=416666583333336 + std::variant: 2664 ms; S=416666583333336 +``` + +### -O3 -DNDEBUG + +#### Compile time + +``` + variant2 (-DONLY_V2): 1720 ms +boost::variant (-DONLY_BV): 2806 ms + std::variant (-DONLY_SV): 1737 ms +``` + +#### Run time + +``` +N=100000000: + prefix: 603 ms; S=416666583333336 + variant2: 1608 ms; S=416666583333336 +boost::variant: 2696 ms; S=416666583333336 + std::variant: 2668 ms; S=416666583333336 +``` |