Reviewers: Hannes Payer,
Message:
results for octane on my machine:
benchmark: score | HEAD | % |
===================================================+==========+========+
Richards: 30681.0 | 30683.6 | |
DeltaBlue: 48081.2 S 46148.6 S 4.2 |
Crypto: 25872.2 | 25852.6 | |
RayTrace: 68837.5 | 68083.5 S 1.1 |
EarleyBoyer: 43538.2 | 42658.7 S 2.1 |
RegExp: 5000.2 | 4948.2 | 1.1 |
Splay: 16093.5 S 16366.4 S -1.7 |
SplayLatency: 29001.5 S 28316.4 S 2.4 |
NavierStokes: 29650.2 | 29483.7 | 0.6 |
PdfJS: 19641.8 | 19440.6 S 1.0 |
Mandreel: 26503.8 | 25966.5 S 2.1 |
MandreelLatency: 25830.0 | 24725.0 S 4.5 |
Gameboy: 68167.8 | 66815.6 S 2.0 |
CodeLoad: 16543.0 S 16733.9 S -1.1 |
Box2D: 47575.8 | 47214.3 S 0.8 |
zlib: 66354.8 | 66235.4 | 0.2 |
Typescript: 32965.5 | 31639.1 S 4.2 |
Octane: 29678.2 S 29412.9 S 0.9 |
---------------------------------------------------+----------+--------+
Description:
Turn on overapproximation of the weak closure
BUG=v8:3862
[email protected]
LOG=y
Please review this at https://codereview.chromium.org/1013133002/
Base URL: https://chromium.googlesource.com/v8/v8.git@master
Affected files (+1, -1 lines):
M src/flag-definitions.h
Index: src/flag-definitions.h
diff --git a/src/flag-definitions.h b/src/flag-definitions.h
index
d96598427573f48ea9b524bc87fb358276d4659d..965796011b9dd099a634619c8daa6a1e765aee38
100644
--- a/src/flag-definitions.h
+++ b/src/flag-definitions.h
@@ -611,7 +611,7 @@ DEFINE_BOOL(age_code, true,
"old code (required for code flushing)")
DEFINE_BOOL(incremental_marking, true, "use incremental marking")
DEFINE_BOOL(incremental_marking_steps, true, "do incremental marking
steps")
-DEFINE_BOOL(overapproximate_weak_closure, false,
+DEFINE_BOOL(overapproximate_weak_closure, true,
"overapproximate weak closer to reduce atomic pause time")
DEFINE_INT(min_progress_during_object_groups_marking, 128,
"keep overapproximating the weak closure as long as we discover
at "
--
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