Mercurial > hg > truffle
comparison src/share/vm/runtime/compilationPolicy.cpp @ 17906:7150b16fda52
8029436: CICompilerCount is not updated when the number of compiler threads is adjusted to the number of CPUs
Summary: CICompilerCount is updated in AdvancedThresholdPolicy::initialize, SimpleThresholdPolicy::initialize and NonTieredCompPolicy::initialize. A warning is printed if the usersets both, CICompilerCount and CICompilerCountPerCPU.
Reviewed-by: kvn, twisti
Contributed-by: Tobias Hartmann <tobias.hartmann@oracle.com>
| author | anoll |
|---|---|
| date | Mon, 14 Apr 2014 08:24:28 +0200 |
| parents | f99558245e5c |
| children | 78bbf4d43a14 |
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| 17905:4e03f6196358 | 17906:7150b16fda52 |
|---|---|
| 180 if (CICompilerCountPerCPU) { | 180 if (CICompilerCountPerCPU) { |
| 181 // Example: if CICompilerCountPerCPU is true, then we get | 181 // Example: if CICompilerCountPerCPU is true, then we get |
| 182 // max(log2(8)-1,1) = 2 compiler threads on an 8-way machine. | 182 // max(log2(8)-1,1) = 2 compiler threads on an 8-way machine. |
| 183 // May help big-app startup time. | 183 // May help big-app startup time. |
| 184 _compiler_count = MAX2(log2_intptr(os::active_processor_count())-1,1); | 184 _compiler_count = MAX2(log2_intptr(os::active_processor_count())-1,1); |
| 185 FLAG_SET_ERGO(intx, CICompilerCount, _compiler_count); | |
| 185 } else { | 186 } else { |
| 186 _compiler_count = CICompilerCount; | 187 _compiler_count = CICompilerCount; |
| 187 } | 188 } |
| 188 } | 189 } |
| 189 | 190 |