| commit | fc7b83d192e9d0a70f4fd3f0692b54ee21b70312 | [log] [tgz] |
|---|---|---|
| author | Josh Bleecher Snyder <josharian@gmail.com> | Thu Apr 20 15:47:06 2017 -0700 |
| committer | Josh Bleecher Snyder <josharian@gmail.com> | Fri Apr 21 13:13:22 2017 +0000 |
| tree | 55aa315b08b16a905f017bee313ea8abf940eb6e | |
| parent | eaa198f3d16e76a58711eb0e8cc9d57d1fdcf7fd [diff] |
cmd/compile: break up large value rewrite functions This makes the cmd/compile/internal/ssa package compile much faster, and has no impact on the speed of the compiler. The chunk size was selected empirically, in that at chunk size 10, the object file was smaller than at chunk size 5 or 20. name old time/op new time/op delta SSA 7.33s ± 5% 5.64s ± 1% -23.10% (p=0.000 n=10+10) name old user-time/op new user-time/op delta SSA 9.70s ± 1% 8.04s ± 2% -17.17% (p=0.000 n=9+10) name old obj-bytes new obj-bytes delta SSA 9.82M ± 0% 8.28M ± 0% -15.67% (p=0.000 n=10+10) Change-Id: Iab472905da3f0e82f3db2c93d06e2759abc9dd44 Reviewed-on: https://go-review.googlesource.com/41296 Reviewed-by: Keith Randall <khr@golang.org>
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