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comparison src/share/vm/runtime/arguments.cpp @ 483:0f773163217d

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6765954: par compact - stress mode for splitting young gen spaces Reviewed-by: jmasa
author jcoomes
date Thu, 11 Dec 2008 12:05:21 -0800
parents 171e581e8161
children 2494ab195856
comparison
equal deleted inserted replaced
482:7c2386d67889 483:0f773163217d
1513 // Keeping the heap 100% free is hard ;-) so limit it to 99%. 1513 // Keeping the heap 100% free is hard ;-) so limit it to 99%.
1514 MinHeapFreeRatio = MIN2(MinHeapFreeRatio, (uintx) 99); 1514 MinHeapFreeRatio = MIN2(MinHeapFreeRatio, (uintx) 99);
1515 1515
1516 if (FullGCALot && FLAG_IS_DEFAULT(MarkSweepAlwaysCompactCount)) { 1516 if (FullGCALot && FLAG_IS_DEFAULT(MarkSweepAlwaysCompactCount)) {
1517 MarkSweepAlwaysCompactCount = 1; // Move objects every gc. 1517 MarkSweepAlwaysCompactCount = 1; // Move objects every gc.
1518 }
1519
1520 if (UseParallelOldGC && ParallelOldGCSplitALot) {
1521 // Settings to encourage splitting.
1522 if (!FLAG_IS_CMDLINE(NewRatio)) {
1523 FLAG_SET_CMDLINE(intx, NewRatio, 2);
1524 }
1525 if (!FLAG_IS_CMDLINE(ScavengeBeforeFullGC)) {
1526 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false);
1527 }
1518 } 1528 }
1519 1529
1520 status = status && verify_percentage(GCHeapFreeLimit, "GCHeapFreeLimit"); 1530 status = status && verify_percentage(GCHeapFreeLimit, "GCHeapFreeLimit");
1521 status = status && verify_percentage(GCTimeLimit, "GCTimeLimit"); 1531 status = status && verify_percentage(GCTimeLimit, "GCTimeLimit");
1522 if (GCTimeLimit == 100) { 1532 if (GCTimeLimit == 100) {