Mercurial > hg > truffle
changeset 4758:d725f0affb1a
7121111: -server -Xcomp -XX:+TieredCompilation does not invoke C2 compiler
Summary: Exercise C2 more in tiered mode with Xcomp
Reviewed-by: kvn, never
author | iveresov |
---|---|
date | Tue, 13 Dec 2011 17:10:52 -0800 |
parents | 7bca37d28f32 |
children | 127b3692c168 |
files | src/share/vm/runtime/arguments.cpp |
diffstat | 1 files changed, 7 insertions(+), 0 deletions(-) [+] |
line wrap: on
line diff
--- a/src/share/vm/runtime/arguments.cpp Tue Dec 13 10:54:47 2011 +0100 +++ b/src/share/vm/runtime/arguments.cpp Tue Dec 13 17:10:52 2011 -0800 @@ -1000,6 +1000,13 @@ UseInterpreter = false; BackgroundCompilation = false; ClipInlining = false; + // Be much more aggressive in tiered mode with -Xcomp and exercise C2 more. + // We will first compile a level 3 version (C1 with full profiling), then do one invocation of it and + // compile a level 4 (C2) and then continue executing it. + if (TieredCompilation) { + Tier3InvokeNotifyFreqLog = 0; + Tier4InvocationThreshold = 0; + } break; } }