Sampled profile of the BigMath.PI method in JRuby.

gistfile1.txt

Flat profile of 137.72 secs (9757 total ticks): main

  Interpreted + native   Method                        
  0.5%    47  +     0    java.math.BigDecimal.createAndStripZerosToMatchScale
  0.1%     9  +     0    org.jruby.ast.WhileNode.interpret
  0.0%     2  +     0    org.jruby.parser.RubyParser.<clinit>
  0.0%     2  +     0    org.jruby.runtime.Helpers.restructureBlockArgs19
  0.0%     2  +     0    jnr.x86asm.INST_CODE.<clinit>
  0.0%     1  +     1    java.lang.invoke.MethodHandleNatives.resolve
  0.0%     2  +     0    org.jruby.RubyString.cat19
  0.0%     0  +     2    java.lang.Class.forName0
  0.0%     2  +     0    java.math.BigInteger.divideAndRemainderKnuth
  0.0%     2  +     0    java.nio.HeapCharBuffer.<init>
  0.0%     1  +     0    java.math.MutableBigInteger.<init>
  0.0%     1  +     0    org.jruby.ast.NewlineNode.<init>
  0.0%     1  +     0    java.lang.invoke.InvokerBytecodeGenerator.isSelectAlternative
  0.0%     1  +     0    com.kenai.jffi.Platform.isSupported
  0.0%     1  +     0    org.jruby.Ruby.initCore
  0.0%     1  +     0    java.lang.reflect.Executable.sharedGetParameterAnnotations
  0.0%     1  +     0    java.lang.System.checkKey
  0.0%     1  +     0    java.lang.invoke.LambdaForm$LFI.interpret_L
  0.0%     1  +     0    java.lang.invoke.LambdaForm.signatureType
  0.0%     1  +     0    java.lang.UNIXProcess.<clinit>
  0.0%     1  +     0    org.jruby.RubyArray.<init>
  0.0%     1  +     0    jnr.posix.NativeTimes$Layout.<init>
  0.0%     1  +     0    org.jruby.ast.ArrayNode.interpretPrimitive
  0.0%     1  +     0    org.jruby.RubyModule.defineConstant
  0.0%     1  +     0    org.jruby.gen.org$jruby$RubyThread$POPULATOR.populate
  1.6%   148  +     9    Total interpreted (including elided)

     Compiled + native   Method                        
 45.3%  4415  +     9    java.math.BigInteger.multiply
 23.5%  2248  +    45    java.math.MutableBigInteger.divideOneWord
 15.4%  1498  +     2    java.math.BigInteger.square
 11.5%  1121  +     3    java.math.BigInteger.multiplyToomCook3
  0.3%     0  +    31    java.math.BigInteger.shiftLeft
  0.3%     2  +    26    java.math.BigInteger.add
  0.2%    21  +     0    java.math.BigInteger.shiftRight
  0.2%    18  +     0    java.math.BigInteger.pow
  0.2%     0  +    17    java.math.BigInteger.subtract
  0.1%     7  +     0    org.jruby.RubyModule.constantEntryFetch
  0.1%     5  +     1    java.math.MutableBigInteger.normalize
  0.1%     0  +     5    java.math.BigInteger.divideAndRemainder
  0.1%     0  +     5    java.math.BigInteger.shiftRightImpl
  0.0%     4  +     0    org.jruby.ext.bigdecimal.RubyBigDecimal.op_div
  0.0%     4  +     0    java.math.BigInteger.multiplyKaratsuba
  0.0%     3  +     0    java.math.BigInteger.multiply
  0.0%     2  +     0    org.jruby.ext.bigdecimal.RubyBigDecimal.multInternal
  0.0%     2  +     0    org.jruby.ext.bigdecimal.RubyBigDecimal.setResult
  0.0%     2  +     0    org.jruby.runtime.callsite.MinusCallSite.call
  0.0%     2  +     0    java.math.BigDecimal.createAndStripZerosToMatchScale
  0.0%     0  +     2    java.math.BigInteger.squareToLen
  0.0%     2  +     0    org.jruby.ext.bigdecimal.RubyBigDecimal$INVOKER$i$1$0$op_plus19.call
  0.0%     2  +     0    org.jruby.ext.bigdecimal.RubyBigDecimal$INVOKER$i$1$0$op_mul19.call
  0.0%     0  +     2    java.math.BigInteger.multiplyToLen
  0.0%     1  +     0    org.jruby.ast.LocalAsgnNode.interpret
 97.7%  9372  +   164    Total compiled (including elided)