• Alberto Donizetti's avatar
    cmd/compile: reduce allocations in regAllocState.regalloc · 377a2cb2
    Alberto Donizetti authored
    name      old time/op       new time/op       delta
    Template        281ms ± 2%        282ms ± 3%    ~     (p=0.428 n=19+20)
    Unicode         138ms ± 6%        138ms ± 7%    ~     (p=0.813 n=19+20)
    GoTypes         901ms ± 2%        895ms ± 2%    ~     (p=0.050 n=19+20)
    Compiler        4.25s ± 1%        4.23s ± 1%  -0.31%  (p=0.031 n=19+18)
    SSA             9.77s ± 1%        9.78s ± 1%    ~     (p=0.512 n=20+20)
    Flate           187ms ± 3%        187ms ± 4%    ~     (p=0.687 n=20+19)
    GoParser        224ms ± 4%        222ms ± 3%    ~     (p=0.301 n=20+20)
    Reflect         576ms ± 2%        576ms ± 2%    ~     (p=0.620 n=20+20)
    Tar             262ms ± 3%        263ms ± 3%    ~     (p=0.599 n=19+18)
    XML             322ms ± 4%        322ms ± 2%    ~     (p=0.512 n=20+20)
    
    name      old user-time/op  new user-time/op  delta
    Template        403ms ± 3%        399ms ± 5%    ~     (p=0.149 n=17+20)
    Unicode         217ms ±12%        217ms ± 9%    ~     (p=0.883 n=20+20)
    GoTypes         1.24s ± 3%        1.24s ± 3%    ~     (p=0.718 n=20+20)
    Compiler        5.90s ± 3%        5.84s ± 5%    ~     (p=0.217 n=18+20)
    SSA             14.0s ± 6%        14.1s ± 5%    ~     (p=0.235 n=19+20)
    Flate           253ms ± 6%        254ms ± 5%    ~     (p=0.749 n=20+19)
    GoParser        309ms ± 7%        307ms ± 5%    ~     (p=0.398 n=20+20)
    Reflect         772ms ± 3%        771ms ± 3%    ~     (p=0.901 n=20+19)
    Tar             368ms ± 5%        369ms ± 8%    ~     (p=0.429 n=20+20)
    XML             435ms ± 5%        434ms ± 5%    ~     (p=0.841 n=20+20)
    
    name      old alloc/op      new alloc/op      delta
    Template       39.0MB ± 0%       38.9MB ± 0%  -0.21%  (p=0.000 n=20+19)
    Unicode        29.0MB ± 0%       29.0MB ± 0%  -0.03%  (p=0.000 n=20+20)
    GoTypes         116MB ± 0%        115MB ± 0%  -0.33%  (p=0.000 n=20+20)
    Compiler        498MB ± 0%        496MB ± 0%  -0.37%  (p=0.000 n=19+20)
    SSA            1.41GB ± 0%       1.40GB ± 0%  -0.24%  (p=0.000 n=20+20)
    Flate          25.0MB ± 0%       25.0MB ± 0%  -0.22%  (p=0.000 n=20+19)
    GoParser       31.0MB ± 0%       30.9MB ± 0%  -0.23%  (p=0.000 n=20+17)
    Reflect        77.1MB ± 0%       77.0MB ± 0%  -0.12%  (p=0.000 n=20+20)
    Tar            39.7MB ± 0%       39.6MB ± 0%  -0.17%  (p=0.000 n=20+20)
    XML            44.9MB ± 0%       44.8MB ± 0%  -0.29%  (p=0.000 n=20+20)
    
    name      old allocs/op     new allocs/op     delta
    Template         386k ± 0%         385k ± 0%  -0.28%  (p=0.000 n=20+20)
    Unicode          337k ± 0%         336k ± 0%  -0.07%  (p=0.000 n=20+20)
    GoTypes         1.20M ± 0%        1.20M ± 0%  -0.41%  (p=0.000 n=20+20)
    Compiler        4.71M ± 0%        4.68M ± 0%  -0.52%  (p=0.000 n=20+20)
    SSA             11.7M ± 0%        11.6M ± 0%  -0.31%  (p=0.000 n=20+19)
    Flate            238k ± 0%         237k ± 0%  -0.28%  (p=0.000 n=18+20)
    GoParser         320k ± 0%         319k ± 0%  -0.34%  (p=0.000 n=20+19)
    Reflect          961k ± 0%         959k ± 0%  -0.12%  (p=0.000 n=20+20)
    Tar              397k ± 0%         396k ± 0%  -0.23%  (p=0.000 n=20+20)
    XML              419k ± 0%         417k ± 0%  -0.39%  (p=0.000 n=20+19)
    
    Change-Id: Ic7ec3614808d9892c1cab3991b996b7a3b8eff21
    Reviewed-on: https://go-review.googlesource.com/102676
    Run-TryBot: Alberto Donizetti <alb.donizetti@gmail.com>
    TryBot-Result: Gobot Gobot <gobot@golang.org>
    Reviewed-by: default avatarKeith Randall <khr@golang.org>
    377a2cb2
regalloc.go 71.7 KB