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properly calculate max heap size for a forked javac process (IDEA-164402)

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Eugene Zhuravlev
2016-12-02 16:00:13 +01:00
parent 4257264826
commit 88fd064b69
1 changed files with 6 additions and 4 deletions
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jps/jps-builders/src/org/jetbrains/jps/incremental/java/JavaBuilder.java
+6 -4
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@@ -498,10 +498,12 @@ public class JavaBuilder extends ModuleLevelBuilder {
}
private static int getExternalJavacHeapSize(CompileContext context) {
final JpsProject project = context.getProjectDescriptor().getProject();
final JpsJavaCompilerConfiguration config = JpsJavaExtensionService.getInstance().getOrCreateCompilerConfiguration(project);
final JpsJavaCompilerOptions options = config.getCurrentCompilerOptions();
return options.MAXIMUM_HEAP_SIZE;
//final JpsProject project = context.getProjectDescriptor().getProject();
//final JpsJavaCompilerConfiguration config = JpsJavaExtensionService.getInstance().getOrCreateCompilerConfiguration(project);
//final JpsJavaCompilerOptions options = config.getCurrentCompilerOptions();
//return options.MAXIMUM_HEAP_SIZE;
final int maxMbytes = (int)Runtime.getRuntime().maxMemory() / 1048576;
return Math.max(maxMbytes * 75 / 100, 256); // minimum 256 Mb, maximum 75% from JPS max heap size
}
@Nullable