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8314220: Configurable InlineCacheBuffer size

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Reviewed-by: dlong, kvn
This commit is contained in:
Ekaterina Vergizova 2023-11-27 13:38:44 +00:00 committed by Yuri Nesterenko
parent 12723688ca
commit a40d8d97e8
4 changed files with 9 additions and 3 deletions
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2
src/hotspot/share/code/icBuffer.cpp
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@ -141,7 +141,7 @@ void ICStub::print() {
void InlineCacheBuffer::initialize() {
if (_buffer != nullptr) return; // already initialized
_buffer = new StubQueue(new ICStubInterface, 10*K, InlineCacheBuffer_lock, "InlineCacheBuffer");
_buffer = new StubQueue(new ICStubInterface, checked_cast<int>(InlineCacheBufferSize), InlineCacheBuffer_lock, "InlineCacheBuffer");
assert (_buffer != nullptr, "cannot allocate InlineCacheBuffer");
}

2
src/hotspot/share/code/stubs.cpp
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@ -218,8 +218,6 @@ void StubQueue::verify() {
guarantee(0 <= _queue_begin && _queue_begin < _buffer_limit, "_queue_begin out of bounds");
guarantee(0 <= _queue_end && _queue_end <= _buffer_limit, "_queue_end out of bounds");
// verify alignment
guarantee(_buffer_size % stub_alignment() == 0, "_buffer_size not aligned");
guarantee(_buffer_limit % stub_alignment() == 0, "_buffer_limit not aligned");
guarantee(_queue_begin % stub_alignment() == 0, "_queue_begin not aligned");
guarantee(_queue_end % stub_alignment() == 0, "_queue_end not aligned");
// verify buffer limit/size relationship

5
src/hotspot/share/compiler/compilerDefinitions.cpp
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@ -498,6 +498,11 @@ bool CompilerConfig::check_args_consistency(bool status) {
"Invalid NonNMethodCodeHeapSize=%dK. Must be at least %uK.\n", NonNMethodCodeHeapSize/K,
min_code_cache_size/K);
status = false;
} else if (InlineCacheBufferSize > NonNMethodCodeHeapSize / 2) {
jio_fprintf(defaultStream::error_stream(),
"Invalid InlineCacheBufferSize=" SIZE_FORMAT "K. Must be less than or equal to " SIZE_FORMAT "K.\n",
InlineCacheBufferSize/K, NonNMethodCodeHeapSize/2/K);
status = false;
}
#ifdef _LP64

3
src/hotspot/share/runtime/globals.hpp
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@ -295,6 +295,9 @@ const int ObjectAlignmentInBytes = 8;
product(bool, UseInlineCaches, true, \
"Use Inline Caches for virtual calls ") \
\
product(size_t, InlineCacheBufferSize, 10*K, EXPERIMENTAL, \
"InlineCacheBuffer size") \
\
product(bool, InlineArrayCopy, true, DIAGNOSTIC, \
"Inline arraycopy native that is known to be part of " \
"base library DLL") \