diff options
Diffstat (limited to 'bin/runopt.sh')
| -rw-r--r-- | bin/runopt.sh | 117 |
1 files changed, 73 insertions, 44 deletions
diff --git a/bin/runopt.sh b/bin/runopt.sh index 6b26e287..5ec9046b 100644 --- a/bin/runopt.sh +++ b/bin/runopt.sh @@ -28,14 +28,35 @@ # known flags for performance for the current configration ########################################################################################### +# Flags to enable assertions, we need the system assertions too, since +# this script runs Nashorn in the BCP to override any nashorn.jar that might +# reside in your $JAVA_HOME/jre/lib/ext/nashorn.jar +# +ENABLE_ASSERTIONS_FLAGS="-ea -esa" + # Flags to instrument lambdaform computation, caching, interpretation and compilation # Default compile threshold for lambdaforms is 30 -#FLAGS="-Djava.lang.invoke.MethodHandle.COMPILE_THRESHOLD=3 -Djava.lang.invoke.MethodHandle.DUMP_CLASS_FILES=true -Djava.lang.invoke.MethodHandle.TRACE_METHOD_LINKAGE=true -Djava.lang.invoke.MethodHandle.TRACE_INTERPRETER=true" - +# +#LAMBDAFORM_FLAGS="\ +# -Djava.lang.invoke.MethodHandle.COMPILE_THRESHOLD=3 \ +# -Djava.lang.invoke.MethodHandle.DUMP_CLASS_FILES=true \ +# -Djava.lang.invoke.MethodHandle.TRACE_METHOD_LINKAGE=true \ +# -Djava.lang.invoke.MethodHandle.TRACE_INTERPRETER=true" # Flags to run trusted tests from the Nashorn test suite -#FLAGS="-Djava.security.manager -Djava.security.policy=../build/nashorn.policy -Dnashorn.debug" +# +#TRUSTED_TEST_FLAGS="\ +#-Djava.security.manager \ +#-Djava.security.policy=../build/nashorn.policy -Dnashorn.debug" +# Testing out new code optimizations using the generic hotspot "new code" parameter +# +#USE_NEW_CODE_FLAGS=-XX:+UnlockDiagnosticVMOptions -XX:+UseNewCode + +# +#-Dnashorn.typeInfo.disabled=false \ +# and for Nashorn options: +# --class-cache-size=0 --persistent-code-cache=false # Unique timestamped file name for JFR recordings. For JFR, we also have to # crank up the stack cutoff depth to 1024, because of ridiculously long lambda form @@ -46,8 +67,42 @@ # can go (10 ms on most platforms). The default is normally higher. The increased # sampling overhead is usually negligible for Nashorn runs, but the data is better -JFR_FILENAME="./nashorn_$(date|sed "s/ /_/g"|sed "s/:/_/g").jfr" +if [ -z $JFR_FILENAME ]; then + JFR_FILENAME="./nashorn_$(date|sed "s/ /_/g"|sed "s/:/_/g").jfr" +fi + +# Flight recorder +# +# see above - already in place, copy the flags down here to disable +ENABLE_FLIGHT_RECORDER_FLAGS="\ + -XX:+UnlockCommercialFeatures \ + -XX:+FlightRecorder \ + -XX:FlightRecorderOptions=defaultrecording=true,disk=true,dumponexit=true,dumponexitpath=$JFR_FILENAME,stackdepth=1024" + +# Type specialization and math intrinsic replacement should be enabled by default in 8u20 and nine, +# keeping this flag around for experimental reasons. Replace + with - to switch it off +# +#ENABLE_TYPE_SPECIALIZATION_FLAGS=-XX:+UseTypeSpeculation + +# Same with math intrinsics. They should be enabled by default in 8u20 and 9, so +# this disables them if needed +# +#DISABLE_MATH_INTRINSICS_FLAGS=-XX:-UseMathExactIntrinsics + +# Add timing to time the compilation phases. +#ENABLE_TIME_FLAGS=--log=time + +# Add ShowHiddenFrames to get lambda form internals on the stack traces +#ENABLE_SHOW_HIDDEN_FRAMES_FLAGS=-XX:+ShowHiddenFrames + +# Add print optoassembly to get an asm dump. This requires 1) a debug build, not product, +# That tired compilation is switched off, for C2 only output and that the number of +# compiler threads is set to 1 for determinsm. +# +#PRINT_ASM_FLAGS=-XX:+PrintOptoAssembly -XX:-TieredCompilation -XX:CICompilerCount=1 \ +# Tier compile threasholds. Default value is 10. (1-100 is useful for experiments) +#TIER_COMPILATION_THRESHOLD_FLAGS=-XX:IncreaseFirstTierCompileThresholdAt=10 # Directory where to look for nashorn.jar in a dist folder. The default is "..", assuming # that we run the script from the make dir @@ -59,49 +114,23 @@ NASHORN_JAR=$DIR/dist/nashorn.jar # nashorn.jar in $JAVA_HOME/jre/lib/ext. Thus, we also need -esa, as assertions in # nashorn count as system assertions in this configuration +# Type profiling default level is 111, 222 adds some compile time, but is faster + $JAVA_HOME/bin/java \ -$FLAGS \ --ea \ --esa \ +$ENABLE_ASSERTIONS_FLAGS \ +$LAMBDAFORM_FLAGS \ +$TRUSTED_FLAGS \ +$USE_NEW_CODE_FLAGS \ +$ENABLE_SHOW_HIDDEN_FRAMES_FLAGS \ +$ENABLE_FLIGHT_RECORDER_FLAGS \ +$ENABLE_TYPE_SPECIALIZATION_FLAGS \ +$TIERED_COMPILATION_THRESOLD_FLAGS \ +$DISABLE_MATH_INTRINSICS_FLAGS \ +$PRINT_ASM_FLAGS \ -Xbootclasspath/p:$NASHORN_JAR \ -Xms2G -Xmx2G \ +-XX:TypeProfileLevel=222 \ -cp $CLASSPATH:../build/test/classes/ \ -jdk.nashorn.tools.Shell ${@} - -# Below are flags that may come in handy, but aren't used for default runs - - -# Type profiling default level is 111, 222 adds some compile time, but produces better code. -# -XX:TypeProfileLevel=222 \ - - -# Testing out new code optimizations using the generic hotspot "new code" parameter -#-XX:+UnlockDiagnosticVMOptions \ -#-XX:+UseNewCode \ - - -# Type specialization and math intrinsic replacement should be enabled by default in 8u20 and nine, -# keeping this flag around for experimental reasons. Replace + with - to switch it off -#-XX:+UseTypeSpeculation \ - +jdk.nashorn.tools.Shell $ENABLE_TIME_FLAGS ${@} -# Same with math intrinsics. They should be enabled by default in 8u20 and 9 -#-XX:+UseMathExactIntrinsics \ - - -# Add -Dnashorn.time to time the compilation phases. -#-Dnashorn.time \ - - -# Add ShowHiddenFrames to get lambda form internals on the stack traces -#-XX:+ShowHiddenFrames \ - - -# Add print optoassembly to get an asm dump. This requires 1) a debug build, not product, -# That tired compilation is switched off, for C2 only output and that the number of -# compiler threads is set to 1 for determinsm. -#-XX:+PrintOptoAssembly -XX:-TieredCompilation -XX:CICompilerCount=1 \ - -# Tier compile threasholds. Default value is 10. (1-100 is useful for experiments) -# -XX:IncreaseFirstTierCompileThresholdAt=XX |