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6787254: Work queue capacity can be increased substantially on some platforms

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Increased the default and maximum size of the CMS marking stack and the size of the parallel workers' work queues in 64-bit mode. The latter was accomplished by an increase in the width of the Taskqueue's Age struct and its Tag field in 64-bit mode.

Reviewed-by: jmasa, tonyp
This commit is contained in:
Y. Srinivas Ramakrishna 2009-01-30 14:17:52 -08:00
parent 34b247f068
commit d981bd442b
3 changed files with 84 additions and 76 deletions
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2
hotspot/src/share/vm/utilities/taskqueue.cpp
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@ -69,7 +69,7 @@ bool
ParallelTaskTerminator::offer_termination(TerminatorTerminator* terminator) {
Atomic::inc(&_offered_termination);
juint yield_count = 0;
uint yield_count = 0;
while (true) {
if (_offered_termination == _n_threads) {
//inner_termination_loop();