"

 COPYRIGHT (c) 1996-2011 by Claus Gittinger

 New code and modifications done at SWING Research Group [1]:

 COPYRIGHT (c) 2010-2011 by Jan Vrany, Jan Kurs and Marcel Hlopko

                            SWING Research Group, Czech Technical University in Prague

 This software is furnished under a license and may be used

 only in accordance with the terms of that license and with the

 inclusion of the above copyright notice.   This software may not

 be provided or otherwise made available to, or used by, any

 other person.  No title to or ownership of the software is

 hereby transferred.

 [1] Code written at SWING Research Group contains a signature

     of one of the above copright owners. For exact set of such code,

     see the differences between this version and version stx:libjava

     as of 1.9.2010

"

"{ Package: 'stx:libjava/benchmarks' }"

Object subclass:#JavaBenchmark

	instanceVariableNames:'profiler'

	classVariableNames:''

	poolDictionaries:''

	category:'Benchmarks-Java-Framework'

!

!JavaBenchmark class methodsFor:'documentation'!

copyright

"

 COPYRIGHT (c) 1996-2011 by Claus Gittinger

 New code and modifications done at SWING Research Group [1]:

 COPYRIGHT (c) 2010-2011 by Jan Vrany, Jan Kurs and Marcel Hlopko

                            SWING Research Group, Czech Technical University in Prague

 This software is furnished under a license and may be used

 only in accordance with the terms of that license and with the

 inclusion of the above copyright notice.   This software may not

 be provided or otherwise made available to, or used by, any

 other person.  No title to or ownership of the software is

 hereby transferred.

 [1] Code written at SWING Research Group contains a signature

     of one of the above copright owners. For exact set of such code,

     see the differences between this version and version stx:libjava

     as of 1.9.2010

"

! !

!JavaBenchmark methodsFor:'accessing'!

profiler

    ^ profiler

!

profiler:something

    profiler := something.

! !

!JavaBenchmark methodsFor:'profiling'!

profileStart

    profiler == #callgrind ifTrue:[

        Profiler valgrind callgrindInstrumentationStart

    ].

    "Created: / 02-11-2012 / 02:28:33 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

profileStop

    profiler == #callgrind ifTrue:[

        Profiler valgrind callgrindInstrumentationStop

    ].

    "Created: / 02-11-2012 / 02:28:39 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!JavaBenchmark methodsFor:'running'!

runBenchmarkJ: n

    "Actually run a **Java** benchmark. Return time in milliseconds or

     string 'N/A' if there is no Java equivalent of the benchmark"

    | bench |

    bench := (Java classForName: 'stx.libjava.benchmarks.' , self class name).

    ^(bench >> #'runBenchmarkJ(I)J')

        valueWithReceiver: bench arguments: (Array with: n)

    "Created: / 31-10-2012 / 10:31:03 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 31-10-2012 / 21:42:34 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified (format): / 31-10-2012 / 22:52:15 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

runBenchmarkS2J: n

    "Actually run a cross-language call variant of the benchmark

     (i.e., Smalltalk calling Java or vice versa). Return time in milliseconds or

     string 'N/A' if there is no cross-call equivalent of the benchmark"

    ^'N/A'

    "Created: / 31-10-2012 / 23:39:59 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

runBenchmarkS:n 

    "Actually run a **Smalltalk** benchmark. Return time in milliseconds or

     string 'N/A' if there is no Smalltalk equivalent of the benchmark"

    ^ self subclassResponsibility

    "Created: / 31-10-2012 / 10:26:33 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!JavaBenchmark methodsFor:'running-API'!

runJ: passes

    "Run **Java** version of the benchmark. Do the warmup"

    | time |

    "Here, we have to do the warmup twice. First, to

     load all the Java code and an make sure methods

     are in oldspace (for ILCs), second to force resolve

     and machine-compile Java code"

    JavaVM booted ifFalse:[

        Java flushAllJavaResources.

        Java initialize.

        JavaVM initializeVM.

    ].

    self runBenchmarkJ: 2.

    ObjectMemory scavenge.

    ObjectMemory tenure.

    self runBenchmarkJ: 2.

    self profileStart.

    ObjectMemory debugBreakPoint3.

    time := self runBenchmarkJ: passes.

    self profileStop.

    JavaVM performance printCountersOn: Stdout.

    ^time.

    "Created: / 31-10-2012 / 11:15:41 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 07-11-2012 / 20:41:01 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

runS2J: passes

    "Run **cross-language** version of the benchmark. Do the warmup"

    | time |

    "Here, we have to do the warmup twice. First, to

     load all the Java code and an make sure methods

     are in oldspace (for ILCs), second to force resolve

     and machine-compile Java code"

    JavaVM booted ifFalse:[

        Java flushAllJavaResources.

        Java initialize.

        JavaVM initializeVM.

    ].

    self runBenchmarkS2J: 2.

    ObjectMemory scavenge.

    ObjectMemory tenure.

    self runBenchmarkS2J: 2.

    self profileStart.

    time := self runBenchmarkS2J: passes.

    self profileStop.

    JavaVM performance printCountersOn: Stdout.

    ^time.

    "Created: / 31-10-2012 / 23:40:17 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 07-11-2012 / 20:41:11 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

runS: passes

    "Run **Smalltalk** version of the benchmark. Do the warmup"

    | time |

    ObjectMemory justInTimeCompilation: true.

    self runBenchmarkS: 2.

    ObjectMemory scavenge.

    ObjectMemory tenure.

    self runBenchmarkS: 2.

    self profileStart.

    time := self runBenchmarkS: passes.

    self profileStop.

    ^time

    "Created: / 31-10-2012 / 11:12:48 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 02-11-2012 / 02:31:10 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!JavaBenchmark class methodsFor:'documentation'!

version_SVN

    ^ '$Id::                                                                                                                        $'

! !