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6711316: Open source the Garbage-First garbage collector

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First mercurial integration of the code for the Garbage-First garbage collector.

Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr
This commit is contained in:
Y. Srinivas Ramakrishna 2008-06-05 15:57:56 -07:00
parent 39463bb3fc
commit 18f3386a98
215 changed files with 36088 additions and 1249 deletions
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32
hotspot/src/share/vm/memory/collectorPolicy.cpp
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@ -31,11 +31,11 @@ void CollectorPolicy::initialize_flags() {
if (PermSize > MaxPermSize) {
MaxPermSize = PermSize;
}
PermSize = align_size_down(PermSize, min_alignment());
PermSize = MAX2(min_alignment(), align_size_down_(PermSize, min_alignment()));
MaxPermSize = align_size_up(MaxPermSize, max_alignment());
MinPermHeapExpansion = align_size_down(MinPermHeapExpansion, min_alignment());
MaxPermHeapExpansion = align_size_down(MaxPermHeapExpansion, min_alignment());
MinPermHeapExpansion = MAX2(min_alignment(), align_size_down_(MinPermHeapExpansion, min_alignment()));
MaxPermHeapExpansion = MAX2(min_alignment(), align_size_down_(MaxPermHeapExpansion, min_alignment()));
MinHeapDeltaBytes = align_size_up(MinHeapDeltaBytes, min_alignment());
@ -55,25 +55,21 @@ void CollectorPolicy::initialize_flags() {
void CollectorPolicy::initialize_size_info() {
// User inputs from -mx and ms are aligned
_initial_heap_byte_size = align_size_up(Arguments::initial_heap_size(),
min_alignment());
set_min_heap_byte_size(align_size_up(Arguments::min_heap_size(),
min_alignment()));
set_max_heap_byte_size(align_size_up(MaxHeapSize, max_alignment()));
// Check validity of heap parameters from launcher
set_initial_heap_byte_size(Arguments::initial_heap_size());
if (initial_heap_byte_size() == 0) {
set_initial_heap_byte_size(NewSize + OldSize);
} else {
Universe::check_alignment(initial_heap_byte_size(), min_alignment(),
"initial heap");
}
set_initial_heap_byte_size(align_size_up(_initial_heap_byte_size,
min_alignment()));
set_min_heap_byte_size(Arguments::min_heap_size());
if (min_heap_byte_size() == 0) {
set_min_heap_byte_size(NewSize + OldSize);
} else {
Universe::check_alignment(min_heap_byte_size(), min_alignment(),
"initial heap");
}
set_min_heap_byte_size(align_size_up(_min_heap_byte_size,
min_alignment()));
set_max_heap_byte_size(align_size_up(MaxHeapSize, max_alignment()));
// Check heap parameter properties
if (initial_heap_byte_size() < M) {
@ -121,8 +117,6 @@ GenRemSet* CollectorPolicy::create_rem_set(MemRegion whole_heap,
int max_covered_regions) {
switch (rem_set_name()) {
case GenRemSet::CardTable: {
if (barrier_set_name() != BarrierSet::CardTableModRef)
vm_exit_during_initialization("Mismatch between RS and BS.");
CardTableRS* res = new CardTableRS(whole_heap, max_covered_regions);
return res;
}
@ -345,7 +339,7 @@ void GenCollectorPolicy::initialize_size_info() {
// At this point all three sizes have been checked against the
// maximum sizes but have not been checked for consistency
// amoung the three.
// among the three.
// Final check min <= initial <= max
set_min_gen0_size(MIN2(_min_gen0_size, _max_gen0_size));