X-Git-Url: http://code.vuplus.com/gitweb/?p=vuplus_webkit;a=blobdiff_plain;f=PerformanceTests%2FSunSpider%2Ftests%2Fsunspider-1.0%2Fbitops-bits-in-byte.js;fp=PerformanceTests%2FSunSpider%2Ftests%2Fsunspider-1.0%2Fbitops-bits-in-byte.js;h=ebde79949293780e1865ccd4421aab7ef17a6d0d;hp=0000000000000000000000000000000000000000;hb=186b2535c234ccc42a8c27998f11be6f718f604f;hpb=1c567be6144228b511852e3cab689fc41b052875 diff --git a/PerformanceTests/SunSpider/tests/sunspider-1.0/bitops-bits-in-byte.js b/PerformanceTests/SunSpider/tests/sunspider-1.0/bitops-bits-in-byte.js new file mode 100644 index 0000000..ebde799 --- /dev/null +++ b/PerformanceTests/SunSpider/tests/sunspider-1.0/bitops-bits-in-byte.js @@ -0,0 +1,25 @@ +// Copyright (c) 2004 by Arthur Langereis (arthur_ext at domain xfinitegames, tld com) + + +var result = 0; + +// 1 op = 2 assigns, 16 compare/branches, 8 ANDs, (0-8) ADDs, 8 SHLs +// O(n) +function bitsinbyte(b) { +var m = 1, c = 0; +while(m<0x100) { +if(b & m) c++; +m <<= 1; +} +return c; +} + +function TimeFunc(func) { +var x, y, t; +var sum = 0; +for(var x=0; x<350; x++) +for(var y=0; y<256; y++) sum += func(y); +return sum; +} + +result = TimeFunc(bitsinbyte);