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| author | Giovanni Bajo <rasky@develer.com> | 2018-05-01 00:57:57 +0200 |
|---|---|---|
| committer | Giovanni Bajo <rasky@develer.com> | 2018-05-14 14:44:55 +0000 |
| commit | 3c8545c5f6f6db7de1e9c8186fa9f23f4820ad45 (patch) | |
| tree | 62696213febf008b4ce28dfdd1cfca549967933e /src/cmd/compile/internal/ssa/poset_test.go | |
| parent | 67656ba71b54779d9f98995a12ed87e7c7618cad (diff) | |
| download | go-3c8545c5f6f6db7de1e9c8186fa9f23f4820ad45.tar.gz go-3c8545c5f6f6db7de1e9c8186fa9f23f4820ad45.zip | |
cmd/compile: reduce allocations in prove by reusing posets
In prove, reuse posets between different functions by storing them
in the per-worker cache.
Allocation count regression caused by prove improvements is down
from 5% to 3% after this CL.
Updates #25179
Change-Id: I6d14003109833d9b3ef5165fdea00aa9c9e952e8
Reviewed-on: https://go-review.googlesource.com/110455
Run-TryBot: Giovanni Bajo <rasky@develer.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
Diffstat (limited to 'src/cmd/compile/internal/ssa/poset_test.go')
| -rw-r--r-- | src/cmd/compile/internal/ssa/poset_test.go | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/cmd/compile/internal/ssa/poset_test.go b/src/cmd/compile/internal/ssa/poset_test.go index 89635ce54d..cb739d9a0c 100644 --- a/src/cmd/compile/internal/ssa/poset_test.go +++ b/src/cmd/compile/internal/ssa/poset_test.go @@ -64,7 +64,8 @@ func testPosetOps(t *testing.T, unsigned bool, ops []posetTestOp) { } } - po := newPoset(unsigned) + po := newPoset() + po.SetUnsigned(unsigned) for idx, op := range ops { t.Logf("op%d%v", idx, op) switch op.typ { |