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6984287: Regularize how GC parallel workers are specified

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Associate number of GC workers with the workgang as opposed to the task.

Reviewed-by: johnc, ysr
This commit is contained in:
Jon Masamitsu 2010-09-20 14:38:38 -07:00
parent 3af63c10ab
commit 28e56b8970
29 changed files with 504 additions and 216 deletions
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6
hotspot/src/share/vm/gc_interface/collectedHeap.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2001, 2009, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -34,7 +34,9 @@ size_t CollectedHeap::_filler_array_max_size = 0;
// Memory state functions.
CollectedHeap::CollectedHeap()
CollectedHeap::CollectedHeap() : _n_par_threads(0)
{
const size_t max_len = size_t(arrayOopDesc::max_array_length(T_INT));
const size_t elements_per_word = HeapWordSize / sizeof(jint);