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6953144: Tiered compilation

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Infrastructure for tiered compilation support (interpreter + c1 + c2) for 32 and 64 bit. Simple tiered policy implementation.

Reviewed-by: kvn, never, phh, twisti
This commit is contained in:
Igor Veresov 2010-09-03 17:51:07 -07:00
parent 6e78f6cb4b
commit 2c66a6c3fd
104 changed files with 7720 additions and 1701 deletions
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58
hotspot/src/share/vm/oops/methodDataOop.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2000, 2009, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2000, 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
@ -283,11 +283,17 @@ void ReceiverTypeData::print_receiver_data_on(outputStream* st) {
if (receiver(row) != NULL) entries++;
}
st->print_cr("count(%u) entries(%u)", count(), entries);
int total = count();
for (row = 0; row < row_limit(); row++) {
if (receiver(row) != NULL) {
total += receiver_count(row);
}
}
for (row = 0; row < row_limit(); row++) {
if (receiver(row) != NULL) {
tab(st);
receiver(row)->print_value_on(st);
st->print_cr("(%u)", receiver_count(row));
st->print_cr("(%u %4.2f)", receiver_count(row), (float) receiver_count(row) / (float) total);
}
}
}
@ -743,9 +749,18 @@ void methodDataOopDesc::post_initialize(BytecodeStream* stream) {
// Initialize the methodDataOop corresponding to a given method.
void methodDataOopDesc::initialize(methodHandle method) {
ResourceMark rm;
// Set the method back-pointer.
_method = method();
if (TieredCompilation) {
_invocation_counter.init();
_backedge_counter.init();
_num_loops = 0;
_num_blocks = 0;
_highest_comp_level = 0;
_highest_osr_comp_level = 0;
_would_profile = false;
}
set_creation_mileage(mileage_of(method()));
// Initialize flags and trap history.
@ -798,32 +813,25 @@ void methodDataOopDesc::initialize(methodHandle method) {
// Get a measure of how much mileage the method has on it.
int methodDataOopDesc::mileage_of(methodOop method) {
int mileage = 0;
int iic = method->interpreter_invocation_count();
if (mileage < iic) mileage = iic;
InvocationCounter* ic = method->invocation_counter();
InvocationCounter* bc = method->backedge_counter();
int icval = ic->count();
if (ic->carry()) icval += CompileThreshold;
if (mileage < icval) mileage = icval;
int bcval = bc->count();
if (bc->carry()) bcval += CompileThreshold;
if (mileage < bcval) mileage = bcval;
if (TieredCompilation) {
mileage = MAX2(method->invocation_count(), method->backedge_count());
} else {
int iic = method->interpreter_invocation_count();
if (mileage < iic) mileage = iic;
InvocationCounter* ic = method->invocation_counter();
InvocationCounter* bc = method->backedge_counter();
int icval = ic->count();
if (ic->carry()) icval += CompileThreshold;
if (mileage < icval) mileage = icval;
int bcval = bc->count();
if (bc->carry()) bcval += CompileThreshold;
if (mileage < bcval) mileage = bcval;
}
return mileage;
}
bool methodDataOopDesc::is_mature() const {
uint current = mileage_of(_method);
uint initial = creation_mileage();
if (current < initial)
return true; // some sort of overflow
uint target;
if (ProfileMaturityPercentage <= 0)
target = (uint) -ProfileMaturityPercentage; // absolute value
else
target = (uint)( (ProfileMaturityPercentage * CompileThreshold) / 100 );
return (current >= initial + target);
return CompilationPolicy::policy()->is_mature(_method);
}
// Translate a bci to its corresponding data index (di).