src/share/vm/opto/phase.cpp

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  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "code/nmethod.hpp"
  27 #include "compiler/compileBroker.hpp"
  28 #include "opto/compile.hpp"
  29 #include "opto/matcher.hpp"
  30 #include "opto/node.hpp"
  31 #include "opto/phase.hpp"
  32 
  33 #ifndef PRODUCT
  34 int Phase::_total_bytes_compiled = 0;
  35 
  36 elapsedTimer Phase::_t_totalCompilation;
  37 elapsedTimer Phase::_t_methodCompilation;
  38 elapsedTimer Phase::_t_stubCompilation;
  39 #endif
  40 
  41 // The next timers used for LogCompilation
  42 elapsedTimer Phase::_t_parser;
  43 elapsedTimer Phase::_t_optimizer;
  44 elapsedTimer   Phase::_t_escapeAnalysis;
  45 elapsedTimer     Phase::_t_connectionGraph;
  46 elapsedTimer   Phase::_t_idealLoop;
  47 elapsedTimer   Phase::_t_ccp;
  48 elapsedTimer Phase::_t_matcher;
  49 elapsedTimer Phase::_t_registerAllocation;
  50 elapsedTimer Phase::_t_output;
  51 
  52 #ifndef PRODUCT
  53 elapsedTimer Phase::_t_graphReshaping;
  54 elapsedTimer Phase::_t_scheduler;
  55 elapsedTimer Phase::_t_blockOrdering;
  56 elapsedTimer Phase::_t_macroEliminate;
  57 elapsedTimer Phase::_t_macroExpand;
  58 elapsedTimer Phase::_t_peephole;
  59 elapsedTimer Phase::_t_postalloc_expand;
  60 elapsedTimer Phase::_t_codeGeneration;
  61 elapsedTimer Phase::_t_registerMethod;
  62 elapsedTimer Phase::_t_temporaryTimer1;
  63 elapsedTimer Phase::_t_temporaryTimer2;
  64 elapsedTimer Phase::_t_idealLoopVerify;
  65 
  66 // Subtimers for _t_optimizer
  67 elapsedTimer   Phase::_t_iterGVN;
  68 elapsedTimer   Phase::_t_iterGVN2;
  69 elapsedTimer   Phase::_t_incrInline;
  70 
  71 // Subtimers for _t_registerAllocation
  72 elapsedTimer   Phase::_t_ctorChaitin;
  73 elapsedTimer   Phase::_t_buildIFGphysical;
  74 elapsedTimer   Phase::_t_computeLive;
  75 elapsedTimer   Phase::_t_regAllocSplit;
  76 elapsedTimer   Phase::_t_postAllocCopyRemoval;
  77 elapsedTimer   Phase::_t_fixupSpills;
  78 
  79 // Subtimers for _t_output
  80 elapsedTimer   Phase::_t_instrSched;
  81 elapsedTimer   Phase::_t_buildOopMaps;
  82 #endif
  83 
  84 //------------------------------Phase------------------------------------------
  85 Phase::Phase( PhaseNumber pnum ) : _pnum(pnum), C( pnum == Compiler ? NULL : Compile::current()) {
  86   // Poll for requests from shutdown mechanism to quiesce compiler (4448539, 4448544).
  87   // This is an effective place to poll, since the compiler is full of phases.
  88   // In particular, every inlining site uses a recursively created Parse phase.
  89   CompileBroker::maybe_block();
  90 }
  91 
  92 #ifndef PRODUCT
  93 static const double minimum_reported_time             = 0.0001; // seconds
  94 static const double expected_method_compile_coverage  = 0.97;   // %
  95 static const double minimum_meaningful_method_compile = 2.00;   // seconds
  96 
  97 void Phase::print_timers() {
  98   tty->print_cr ("Accumulated compiler times:");
  99   tty->print_cr ("---------------------------");
 100   tty->print_cr ("  Total compilation: %3.3f sec.", Phase::_t_totalCompilation.seconds());
 101   tty->print    ("    method compilation   : %3.3f sec", Phase::_t_methodCompilation.seconds());
 102   tty->print    ("/%d bytes",_total_bytes_compiled);
 103   tty->print_cr (" (%3.0f bytes per sec) ", Phase::_total_bytes_compiled / Phase::_t_methodCompilation.seconds());
 104   tty->print_cr ("    stub compilation     : %3.3f sec.", Phase::_t_stubCompilation.seconds());
 105   tty->print_cr ("  Phases:");
 106   tty->print_cr ("    parse          : %3.3f sec", Phase::_t_parser.seconds());
 107   tty->print_cr ("    optimizer      : %3.3f sec", Phase::_t_optimizer.seconds());
 108   if( Verbose || WizardMode ) {
 109     if (DoEscapeAnalysis) {
 110       // EA is part of Optimizer.
 111       tty->print_cr ("      escape analysis: %3.3f sec", Phase::_t_escapeAnalysis.seconds());
 112       tty->print_cr ("        connection graph: %3.3f sec", Phase::_t_connectionGraph.seconds());
 113       tty->print_cr ("      macroEliminate : %3.3f sec", Phase::_t_macroEliminate.seconds());
 114     }
 115     tty->print_cr ("      iterGVN        : %3.3f sec", Phase::_t_iterGVN.seconds());
 116     tty->print_cr ("      incrInline     : %3.3f sec", Phase::_t_incrInline.seconds());
 117     tty->print_cr ("      idealLoop      : %3.3f sec", Phase::_t_idealLoop.seconds());
 118     tty->print_cr ("      idealLoopVerify: %3.3f sec", Phase::_t_idealLoopVerify.seconds());
 119     tty->print_cr ("      ccp            : %3.3f sec", Phase::_t_ccp.seconds());
 120     tty->print_cr ("      iterGVN2       : %3.3f sec", Phase::_t_iterGVN2.seconds());
 121     tty->print_cr ("      macroExpand    : %3.3f sec", Phase::_t_macroExpand.seconds());
 122     tty->print_cr ("      graphReshape   : %3.3f sec", Phase::_t_graphReshaping.seconds());
 123     double optimizer_subtotal = Phase::_t_iterGVN.seconds() + Phase::_t_iterGVN2.seconds() +
 124       Phase::_t_escapeAnalysis.seconds() + Phase::_t_macroEliminate.seconds() +
 125       Phase::_t_idealLoop.seconds() + Phase::_t_ccp.seconds() +
 126       Phase::_t_macroExpand.seconds() + Phase::_t_graphReshaping.seconds();
 127     double percent_of_optimizer = ((optimizer_subtotal == 0.0) ? 0.0 : (optimizer_subtotal / Phase::_t_optimizer.seconds() * 100.0));
 128     tty->print_cr ("      subtotal       : %3.3f sec,  %3.2f %%", optimizer_subtotal, percent_of_optimizer);
 129   }
 130   tty->print_cr ("    matcher        : %3.3f sec", Phase::_t_matcher.seconds());
 131   tty->print_cr ("    scheduler      : %3.3f sec", Phase::_t_scheduler.seconds());
 132   tty->print_cr ("    regalloc       : %3.3f sec", Phase::_t_registerAllocation.seconds());
 133   if( Verbose || WizardMode ) {
 134     tty->print_cr ("      ctorChaitin    : %3.3f sec", Phase::_t_ctorChaitin.seconds());
 135     tty->print_cr ("      buildIFG       : %3.3f sec", Phase::_t_buildIFGphysical.seconds());
 136     tty->print_cr ("      computeLive    : %3.3f sec", Phase::_t_computeLive.seconds());
 137     tty->print_cr ("      regAllocSplit  : %3.3f sec", Phase::_t_regAllocSplit.seconds());
 138     tty->print_cr ("      postAllocCopyRemoval: %3.3f sec", Phase::_t_postAllocCopyRemoval.seconds());
 139     tty->print_cr ("      fixupSpills    : %3.3f sec", Phase::_t_fixupSpills.seconds());
 140     double regalloc_subtotal = Phase::_t_ctorChaitin.seconds() +
 141       Phase::_t_buildIFGphysical.seconds() + Phase::_t_computeLive.seconds() +
 142       Phase::_t_regAllocSplit.seconds()    + Phase::_t_fixupSpills.seconds() +
 143       Phase::_t_postAllocCopyRemoval.seconds();
 144     double percent_of_regalloc = ((regalloc_subtotal == 0.0) ? 0.0 : (regalloc_subtotal / Phase::_t_registerAllocation.seconds() * 100.0));
 145     tty->print_cr ("      subtotal       : %3.3f sec,  %3.2f %%", regalloc_subtotal, percent_of_regalloc);



























 146   }
 147   tty->print_cr ("    blockOrdering  : %3.3f sec", Phase::_t_blockOrdering.seconds());
 148   tty->print_cr ("    peephole       : %3.3f sec", Phase::_t_peephole.seconds());

 149   if (Matcher::require_postalloc_expand) {
 150     tty->print_cr ("    postalloc_expand: %3.3f sec", Phase::_t_postalloc_expand.seconds());
 151   }
 152   tty->print_cr ("    codeGen        : %3.3f sec", Phase::_t_codeGeneration.seconds());
 153   tty->print_cr ("    install_code   : %3.3f sec", Phase::_t_registerMethod.seconds());
 154   tty->print_cr ("    -------------- : ----------");
 155   double phase_subtotal = Phase::_t_parser.seconds() +
 156     Phase::_t_optimizer.seconds() + Phase::_t_graphReshaping.seconds() +
 157     Phase::_t_matcher.seconds() + Phase::_t_scheduler.seconds() +
 158     Phase::_t_registerAllocation.seconds() + Phase::_t_blockOrdering.seconds() +
 159     Phase::_t_codeGeneration.seconds() + Phase::_t_registerMethod.seconds();
 160   double percent_of_method_compile = ((phase_subtotal == 0.0) ? 0.0 : phase_subtotal / Phase::_t_methodCompilation.seconds()) * 100.0;
 161   // counters inside Compile::CodeGen include time for adapters and stubs
 162   // so phase-total can be greater than 100%
 163   tty->print_cr ("    total          : %3.3f sec,  %3.2f %%", phase_subtotal, percent_of_method_compile);
 164 
 165   assert( percent_of_method_compile > expected_method_compile_coverage ||
 166           phase_subtotal < minimum_meaningful_method_compile,
 167           "Must account for method compilation");
 168 
 169   if( Phase::_t_temporaryTimer1.seconds() > minimum_reported_time ) {
 170     tty->cr();
 171     tty->print_cr ("    temporaryTimer1: %3.3f sec", Phase::_t_temporaryTimer1.seconds());
 172   }
 173   if( Phase::_t_temporaryTimer2.seconds() > minimum_reported_time ) {
 174     tty->cr();
 175     tty->print_cr ("    temporaryTimer2: %3.3f sec", Phase::_t_temporaryTimer2.seconds());

















 176   }
 177   tty->print_cr ("    output         : %3.3f sec", Phase::_t_output.seconds());
 178   tty->print_cr ("      isched         : %3.3f sec", Phase::_t_instrSched.seconds());
 179   tty->print_cr ("      bldOopMaps     : %3.3f sec", Phase::_t_buildOopMaps.seconds());
 180 }
 181 #endif



  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "code/nmethod.hpp"
  27 #include "compiler/compileBroker.hpp"
  28 #include "opto/compile.hpp"
  29 #include "opto/matcher.hpp"
  30 #include "opto/node.hpp"
  31 #include "opto/phase.hpp"
  32 

  33 int Phase::_total_bytes_compiled = 0;
  34 
  35 elapsedTimer Phase::_t_totalCompilation;
  36 elapsedTimer Phase::_t_methodCompilation;
  37 elapsedTimer Phase::_t_stubCompilation;

  38 
  39 // The counters to use for LogCompilation
  40 elapsedTimer Phase::timers[max_phase_timers];








































  41 
  42 //------------------------------Phase------------------------------------------
  43 Phase::Phase( PhaseNumber pnum ) : _pnum(pnum), C( pnum == Compiler ? NULL : Compile::current()) {
  44   // Poll for requests from shutdown mechanism to quiesce compiler (4448539, 4448544).
  45   // This is an effective place to poll, since the compiler is full of phases.
  46   // In particular, every inlining site uses a recursively created Parse phase.
  47   CompileBroker::maybe_block();
  48 }
  49 





  50 void Phase::print_timers() {
  51   tty->print_cr ("    C2 Compile Time:     %6.3f s", Phase::_t_totalCompilation.seconds());
  52   tty->print_cr ("       Parse:              %6.3f s", timers[_t_parser].seconds());
  53   
  54   {
  55     tty->print_cr ("       Optimize:           %6.3f s", timers[_t_optimizer].seconds());






  56     if (DoEscapeAnalysis) {
  57       // EA is part of Optimizer.
  58       tty->print_cr ("         Escape Analysis:    %6.3f s", timers[_t_escapeAnalysis].seconds());
  59       tty->print_cr ("           Conn Graph:         %6.3f s", timers[_t_connectionGraph].seconds());
  60       tty->print_cr ("           Macro Eliminate:    %6.3f s", timers[_t_macroEliminate].seconds());
  61     }
  62     tty->print_cr ("         GVN 1:              %6.3f s", timers[_t_iterGVN].seconds());
  63     tty->print_cr ("         Incremental Inline: %6.3f s", timers[_t_incrInline].seconds());
  64     tty->print_cr ("         IdealLoop:          %6.3f s", timers[_t_idealLoop].seconds());
  65     tty->print_cr ("         IdealLoop Verify:   %6.3f s", timers[_t_idealLoopVerify].seconds());
  66     tty->print_cr ("         Cond Const Prop:    %6.3f s", timers[_t_ccp].seconds());
  67     tty->print_cr ("         GVN 2:              %6.3f s", timers[_t_iterGVN2].seconds());
  68     tty->print_cr ("         Macro Expand:       %6.3f s", timers[_t_macroExpand].seconds());
  69     tty->print_cr ("         Graph Reshape:      %6.3f s", timers[_t_graphReshaping].seconds());
  70     
  71     double other = timers[_t_optimizer].seconds() - 
  72       (timers[_t_escapeAnalysis].seconds() + 
  73        timers[_t_iterGVN].seconds() + 
  74        timers[_t_incrInline].seconds() + 
  75        timers[_t_idealLoop].seconds() + 
  76        timers[_t_idealLoopVerify].seconds() + 
  77        timers[_t_ccp].seconds() +    
  78        timers[_t_iterGVN2].seconds() +        
  79        timers[_t_macroExpand].seconds() +        
  80        timers[_t_graphReshaping].seconds());
  81     if (other > 0) {
  82       tty->print_cr("         Other:              %6.3f s", other);
  83     }
  84   }
  85     
  86   tty->print_cr ("       Matcher:            %6.3f s", timers[_t_matcher].seconds());
  87   tty->print_cr ("       Scheduler:          %6.3f s", timers[_t_scheduler].seconds());  
  88   
  89   {
  90     tty->print_cr ("       Regalloc:           %6.3f s", timers[_t_registerAllocation].seconds());
  91     tty->print_cr ("         Ctor Chaitin:       %6.3f s", timers[_t_ctorChaitin].seconds());
  92     tty->print_cr ("         Build IFG (virt):   %6.3f s", timers[_t_buildIFGvirtual].seconds());
  93     tty->print_cr ("         Build IFG (phys):   %6.3f s", timers[_t_buildIFGphysical].seconds());
  94     tty->print_cr ("         Compute Liveness:   %6.3f s", timers[_t_computeLive].seconds());
  95     tty->print_cr ("         Regalloc Split:     %6.3f s", timers[_t_regAllocSplit].seconds());
  96     tty->print_cr ("         Postalloc Copy Rem: %6.3f s", timers[_t_postAllocCopyRemoval].seconds());
  97     tty->print_cr ("         Fixup Spills:       %6.3f s", timers[_t_fixupSpills].seconds());
  98     tty->print_cr ("         Compact:            %6.3f s", timers[_t_chaitinCompact].seconds());
  99     tty->print_cr ("         Coalesce:           %6.3f s", timers[_t_chaitinCoalesce].seconds());
 100     tty->print_cr ("         Cache LRG:          %6.3f s", timers[_t_chaitinCacheLRG].seconds());    
 101     tty->print_cr ("         Simplify:           %6.3f s", timers[_t_chaitinSimplify].seconds());
 102     tty->print_cr ("         Select:             %6.3f s", timers[_t_chaitinSelect].seconds());
 103     
 104     double other = timers[_t_registerAllocation].seconds() - 
 105       (timers[_t_ctorChaitin].seconds() + 
 106        timers[_t_computeLive].seconds() + 
 107        timers[_t_buildIFGvirtual].seconds() + 
 108        timers[_t_buildIFGphysical].seconds() + 
 109        timers[_t_computeLive].seconds() + 
 110        timers[_t_regAllocSplit].seconds() +    
 111        timers[_t_postAllocCopyRemoval].seconds() +        
 112        timers[_t_chaitinCompact].seconds() + 
 113        timers[_t_chaitinCoalesce].seconds() + 
 114        timers[_t_chaitinCacheLRG].seconds() + 
 115        timers[_t_chaitinSimplify].seconds() + 
 116        timers[_t_chaitinSelect].seconds() + 
 117        timers[_t_fixupSpills].seconds());
 118     if (other > 0) {
 119       tty->print_cr("         Other:              %6.3f s", other);
 120     }
 121   }
 122   tty->print_cr ("       Block Ordering:     %6.3f s", timers[_t_blockOrdering].seconds());
 123   tty->print_cr ("       Peephole:           %6.3f s", timers[_t_peephole].seconds());
 124   if (Matcher::require_postalloc_expand) {
 125     tty->print_cr ("       Postalloc Expand:   %6.3f s", timers[_t_postalloc_expand].seconds());
 126   }
 127   tty->print_cr ("       Code Emission:        %6.3f s", timers[_t_output].seconds());
 128   tty->print_cr ("         Insn Scheduling:    %6.3f s", timers[_t_instrSched].seconds());
 129   tty->print_cr ("         Build OOP maps:     %6.3f s", timers[_t_buildOopMaps].seconds());
 130   tty->print_cr ("       Code Installation:  %6.3f s", timers[_t_registerMethod].seconds());












 131   
 132   if( timers[_t_temporaryTimer1].seconds() > 0 ) {
 133     tty->cr();
 134     tty->print_cr ("       Temp Timer 1:       %6.3f s", timers[_t_temporaryTimer1].seconds());
 135   }
 136   if( timers[_t_temporaryTimer2].seconds() > 0 ) {
 137     tty->cr();
 138     tty->print_cr ("       Temp Timer 2:       %6.3f s", timers[_t_temporaryTimer2].seconds());
 139   }
 140   
 141    double other = Phase::_t_totalCompilation.seconds() - 
 142       (timers[_t_parser].seconds() + 
 143        timers[_t_optimizer].seconds() + 
 144        timers[_t_matcher].seconds() + 
 145        timers[_t_scheduler].seconds() + 
 146        timers[_t_registerAllocation].seconds() + 
 147        timers[_t_blockOrdering].seconds() + 
 148        timers[_t_peephole].seconds() + 
 149        timers[_t_postalloc_expand].seconds() + 
 150        timers[_t_output].seconds() +    
 151        timers[_t_registerMethod].seconds() +        
 152        timers[_t_temporaryTimer1].seconds() +        
 153        timers[_t_temporaryTimer2].seconds());
 154     if (other > 0) {
 155       tty->print_cr("       Other:              %6.3f s", other);
 156     }  
 157   


 158 }
 159 
 160