8129847: Compiling methods generated by Nashorn triggers high memory usage in C2
Summary: Add a new compiler phase, PhaseRenumberLive, that renumbers live nodes.
Reviewed-by: kvn, thartmann, vlivanov, shade
/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#include "precompiled.hpp"
#include "code/nmethod.hpp"
#include "compiler/compileBroker.hpp"
#include "opto/compile.hpp"
#include "opto/matcher.hpp"
#include "opto/node.hpp"
#include "opto/phase.hpp"
int Phase::_total_bytes_compiled = 0;
elapsedTimer Phase::_t_totalCompilation;
elapsedTimer Phase::_t_methodCompilation;
elapsedTimer Phase::_t_stubCompilation;
// The counters to use for LogCompilation
elapsedTimer Phase::timers[max_phase_timers];
//------------------------------Phase------------------------------------------
Phase::Phase( PhaseNumber pnum ) : _pnum(pnum), C( pnum == Compiler ? NULL : Compile::current()) {
// Poll for requests from shutdown mechanism to quiesce compiler (4448539, 4448544).
// This is an effective place to poll, since the compiler is full of phases.
// In particular, every inlining site uses a recursively created Parse phase.
CompileBroker::maybe_block();
}
void Phase::print_timers() {
tty->print_cr (" C2 Compile Time: %7.3f s", Phase::_t_totalCompilation.seconds());
tty->print_cr (" Parse: %7.3f s", timers[_t_parser].seconds());
{
tty->print_cr (" Optimize: %7.3f s", timers[_t_optimizer].seconds());
if (DoEscapeAnalysis) {
// EA is part of Optimizer.
tty->print_cr (" Escape Analysis: %7.3f s", timers[_t_escapeAnalysis].seconds());
tty->print_cr (" Conn Graph: %7.3f s", timers[_t_connectionGraph].seconds());
tty->print_cr (" Macro Eliminate: %7.3f s", timers[_t_macroEliminate].seconds());
}
tty->print_cr (" GVN 1: %7.3f s", timers[_t_iterGVN].seconds());
{
tty->print_cr (" Incremental Inline: %7.3f s", timers[_t_incrInline].seconds());
tty->print_cr (" IdealLoop: %7.3f s", timers[_t_incrInline_ideal].seconds());
tty->print_cr (" IGVN: %7.3f s", timers[_t_incrInline_igvn].seconds());
tty->print_cr (" Inline: %7.3f s", timers[_t_incrInline_inline].seconds());
tty->print_cr (" Prune Useless: %7.3f s", timers[_t_incrInline_pru].seconds());
double other = timers[_t_incrInline].seconds() -
(timers[_t_incrInline_ideal].seconds() +
timers[_t_incrInline_igvn].seconds() +
timers[_t_incrInline_inline].seconds() +
timers[_t_incrInline_pru].seconds());
if (other > 0) {
tty->print_cr(" Other: %7.3f s", other);
}
}
tty->print_cr (" Renumber Live: %7.3f s", timers[_t_renumberLive].seconds());
tty->print_cr (" IdealLoop: %7.3f s", timers[_t_idealLoop].seconds());
tty->print_cr (" IdealLoop Verify: %7.3f s", timers[_t_idealLoopVerify].seconds());
tty->print_cr (" Cond Const Prop: %7.3f s", timers[_t_ccp].seconds());
tty->print_cr (" GVN 2: %7.3f s", timers[_t_iterGVN2].seconds());
tty->print_cr (" Macro Expand: %7.3f s", timers[_t_macroExpand].seconds());
tty->print_cr (" Graph Reshape: %7.3f s", timers[_t_graphReshaping].seconds());
double other = timers[_t_optimizer].seconds() -
(timers[_t_escapeAnalysis].seconds() +
timers[_t_iterGVN].seconds() +
timers[_t_incrInline].seconds() +
timers[_t_renumberLive].seconds() +
timers[_t_idealLoop].seconds() +
timers[_t_idealLoopVerify].seconds() +
timers[_t_ccp].seconds() +
timers[_t_iterGVN2].seconds() +
timers[_t_macroExpand].seconds() +
timers[_t_graphReshaping].seconds());
if (other > 0) {
tty->print_cr(" Other: %7.3f s", other);
}
}
tty->print_cr (" Matcher: %7.3f s", timers[_t_matcher].seconds());
tty->print_cr (" Scheduler: %7.3f s", timers[_t_scheduler].seconds());
{
tty->print_cr (" Regalloc: %7.3f s", timers[_t_registerAllocation].seconds());
tty->print_cr (" Ctor Chaitin: %7.3f s", timers[_t_ctorChaitin].seconds());
tty->print_cr (" Build IFG (virt): %7.3f s", timers[_t_buildIFGvirtual].seconds());
tty->print_cr (" Build IFG (phys): %7.3f s", timers[_t_buildIFGphysical].seconds());
tty->print_cr (" Compute Liveness: %7.3f s", timers[_t_computeLive].seconds());
tty->print_cr (" Regalloc Split: %7.3f s", timers[_t_regAllocSplit].seconds());
tty->print_cr (" Postalloc Copy Rem: %7.3f s", timers[_t_postAllocCopyRemoval].seconds());
tty->print_cr (" Merge multidefs: %7.3f s", timers[_t_mergeMultidefs].seconds());
tty->print_cr (" Fixup Spills: %7.3f s", timers[_t_fixupSpills].seconds());
tty->print_cr (" Compact: %7.3f s", timers[_t_chaitinCompact].seconds());
tty->print_cr (" Coalesce 1: %7.3f s", timers[_t_chaitinCoalesce1].seconds());
tty->print_cr (" Coalesce 2: %7.3f s", timers[_t_chaitinCoalesce2].seconds());
tty->print_cr (" Coalesce 3: %7.3f s", timers[_t_chaitinCoalesce3].seconds());
tty->print_cr (" Cache LRG: %7.3f s", timers[_t_chaitinCacheLRG].seconds());
tty->print_cr (" Simplify: %7.3f s", timers[_t_chaitinSimplify].seconds());
tty->print_cr (" Select: %7.3f s", timers[_t_chaitinSelect].seconds());
double other = timers[_t_registerAllocation].seconds() -
(timers[_t_ctorChaitin].seconds() +
timers[_t_buildIFGvirtual].seconds() +
timers[_t_buildIFGphysical].seconds() +
timers[_t_computeLive].seconds() +
timers[_t_regAllocSplit].seconds() +
timers[_t_postAllocCopyRemoval].seconds() +
timers[_t_mergeMultidefs].seconds() +
timers[_t_fixupSpills].seconds() +
timers[_t_chaitinCompact].seconds() +
timers[_t_chaitinCoalesce1].seconds() +
timers[_t_chaitinCoalesce2].seconds() +
timers[_t_chaitinCoalesce3].seconds() +
timers[_t_chaitinCacheLRG].seconds() +
timers[_t_chaitinSimplify].seconds() +
timers[_t_chaitinSelect].seconds());
if (other > 0) {
tty->print_cr(" Other: %7.3f s", other);
}
}
tty->print_cr (" Block Ordering: %7.3f s", timers[_t_blockOrdering].seconds());
tty->print_cr (" Peephole: %7.3f s", timers[_t_peephole].seconds());
if (Matcher::require_postalloc_expand) {
tty->print_cr (" Postalloc Expand: %7.3f s", timers[_t_postalloc_expand].seconds());
}
tty->print_cr (" Code Emission: %7.3f s", timers[_t_output].seconds());
tty->print_cr (" Insn Scheduling: %7.3f s", timers[_t_instrSched].seconds());
tty->print_cr (" Build OOP maps: %7.3f s", timers[_t_buildOopMaps].seconds());
tty->print_cr (" Code Installation: %7.3f s", timers[_t_registerMethod].seconds());
if( timers[_t_temporaryTimer1].seconds() > 0 ) {
tty->cr();
tty->print_cr (" Temp Timer 1: %7.3f s", timers[_t_temporaryTimer1].seconds());
}
if( timers[_t_temporaryTimer2].seconds() > 0 ) {
tty->cr();
tty->print_cr (" Temp Timer 2: %7.3f s", timers[_t_temporaryTimer2].seconds());
}
double other = Phase::_t_totalCompilation.seconds() -
(timers[_t_parser].seconds() +
timers[_t_optimizer].seconds() +
timers[_t_matcher].seconds() +
timers[_t_scheduler].seconds() +
timers[_t_registerAllocation].seconds() +
timers[_t_blockOrdering].seconds() +
timers[_t_peephole].seconds() +
timers[_t_postalloc_expand].seconds() +
timers[_t_output].seconds() +
timers[_t_registerMethod].seconds() +
timers[_t_temporaryTimer1].seconds() +
timers[_t_temporaryTimer2].seconds());
if (other > 0) {
tty->print_cr(" Other: %7.3f s", other);
}
}