runtime: use uintptr where possible in malloc stats
linux/arm OMAP4 pandaboard
benchmark old ns/op new ns/op delta
BenchmarkBinaryTree17
68723297000 37026214000 -46.12%
BenchmarkFannkuch11
34962402000 35958435000 +2.85%
BenchmarkGobDecode
137298600 124182150 -9.55%
BenchmarkGobEncode
60717160 60006700 -1.17%
BenchmarkGzip
5647156000 5550873000 -1.70%
BenchmarkGunzip
1196350000 1198670000 +0.19%
BenchmarkJSONEncode
863012800 782898000 -9.28%
BenchmarkJSONDecode
3312989000 2781800000 -16.03%
BenchmarkMandelbrot200
45727540 45703120 -0.05%
BenchmarkParse
74781800 59990840 -19.78%
BenchmarkRevcomp
140043650 139462300 -0.42%
BenchmarkTemplate
6467682000 5832153000 -9.83%
benchmark old MB/s new MB/s speedup
BenchmarkGobDecode 5.59 6.18 1.11x
BenchmarkGobEncode 12.64 12.79 1.01x
BenchmarkGzip 3.44 3.50 1.02x
BenchmarkGunzip 16.22 16.19 1.00x
BenchmarkJSONEncode 2.25 2.48 1.10x
BenchmarkJSONDecode 0.59 0.70 1.19x
BenchmarkParse 0.77 0.97 1.26x
BenchmarkRevcomp 18.15 18.23 1.00x
BenchmarkTemplate 0.30 0.33 1.10x
darwin/386 core duo
benchmark old ns/op new ns/op delta
BenchmarkBinaryTree17
10591616577 9678245733 -8.62%
BenchmarkFannkuch11
10758473315 10749303846 -0.09%
BenchmarkGobDecode
34379785 34121250 -0.75%
BenchmarkGobEncode
23523721 23475750 -0.20%
BenchmarkGzip
2486191492 2446539568 -1.59%
BenchmarkGunzip
444179328 444250293 +0.02%
BenchmarkJSONEncode
221138507 219757826 -0.62%
BenchmarkJSONDecode
1056034428 1048975133 -0.67%
BenchmarkMandelbrot200
19862516 19868346 +0.03%
BenchmarkRevcomp
3742610872 3724821662 -0.48%
BenchmarkTemplate
960283112 944791517 -1.61%
benchmark old MB/s new MB/s speedup
BenchmarkGobDecode 22.33 22.49 1.01x
BenchmarkGobEncode 32.63 32.69 1.00x
BenchmarkGzip 7.80 7.93 1.02x
BenchmarkGunzip 43.69 43.68 1.00x
BenchmarkJSONEncode 8.77 8.83 1.01x
BenchmarkJSONDecode 1.84 1.85 1.01x
BenchmarkRevcomp 67.91 68.24 1.00x
BenchmarkTemplate 2.02 2.05 1.01x
R=rsc, 0xe2.0x9a.0x9b, mirtchovski
CC=golang-dev, minux.ma
https://golang.org/cl/
6297047