Mercurial > jdk8-mips64-public > nashorn / file comparison
comparison: bin/runopt.sh
bin/runopt.sh
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- e2497b11a021
- child 1071
- 78eb2b415108
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| 1 #!/bin/sh | |
| 2 # | |
| 3 # Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved. | |
| 4 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 5 # | |
| 6 # This code is free software; you can redistribute it and/or modify it | |
| 7 # under the terms of the GNU General Public License version 2 only, as | |
| 8 # published by the Free Software Foundation. | |
| 9 # | |
| 10 # This code is distributed in the hope that it will be useful, but WITHOUT | |
| 11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 12 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 13 # version 2 for more details (a copy is included in the LICENSE file that | |
| 14 # accompanied this code). | |
| 15 # | |
| 16 # You should have received a copy of the GNU General Public License version | |
| 17 # 2 along with this work; if not, write to the Free Software Foundation, | |
| 18 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 19 # | |
| 20 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 21 # or visit www.oracle.com if you need additional information or have any | |
| 22 # questions. | |
| 23 # | |
| 24 | |
| 25 ########################################################################################### | |
| 26 # This is a helper script to evaluate nashorn with optimistic types | |
| 27 # it produces a flight recording for every run, and uses the best | |
| 28 # known flags for performance for the current configration | |
| 29 ########################################################################################### | |
| 30 | |
| 31 # Flags to instrument lambdaform computation, caching, interpretation and compilation | |
| 32 # Default compile threshold for lambdaforms is 30 | |
| 33 #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" | |
| 34 | |
| 35 | |
| 36 # Flags to run trusted tests from the Nashorn test suite | |
| 37 #FLAGS="-Djava.security.manager -Djava.security.policy=../build/nashorn.policy -Dnashorn.debug" | |
| 38 | |
| 39 | |
| 40 # Unique timestamped file name for JFR recordings. For JFR, we also have to | |
| 41 # crank up the stack cutoff depth to 1024, because of ridiculously long lambda form | |
| 42 # stack traces. | |
| 43 # | |
| 44 # It is also recommended that you go into $JAVA_HOME/jre/lib/jfr/default.jfc and | |
| 45 # set the "method-sampling-interval" Normal and Maximum sample time as low as you | |
| 46 # can go (10 ms on most platforms). The default is normally higher. The increased | |
| 47 # sampling overhead is usually negligible for Nashorn runs, but the data is better | |
| 48 | |
| 49 JFR_FILENAME="./nashorn_$(date|sed "s/ /_/g"|sed "s/:/_/g").jfr" | |
| 50 | |
| 51 | |
| 52 # Directory where to look for nashorn.jar in a dist folder. The default is "..", assuming | |
| 53 # that we run the script from the make dir | |
| 54 DIR=.. | |
| 55 NASHORN_JAR=$DIR/dist/nashorn.jar | |
| 56 | |
| 57 | |
| 58 # The built Nashorn jar is placed first in the bootclasspath to override the JDK | |
| 59 # nashorn.jar in $JAVA_HOME/jre/lib/ext. Thus, we also need -esa, as assertions in | |
| 60 # nashorn count as system assertions in this configuration | |
| 61 | |
| 62 $JAVA_HOME/bin/java \ | |
| 63 $FLAGS \ | |
| 64 -ea \ | |
| 65 -esa \ | |
| 66 -Xbootclasspath/p:$NASHORN_JAR \ | |
| 67 -Xms2G -Xmx2G \ | |
| 68 -cp $CLASSPATH:../build/test/classes/ \ | |
| 69 jdk.nashorn.tools.Shell ${@} | |
| 70 | |
| 71 # Below are flags that may come in handy, but aren't used for default runs | |
| 72 | |
| 73 | |
| 74 # Type profiling default level is 111, 222 adds some compile time, but produces better code. | |
| 75 # -XX:TypeProfileLevel=222 \ | |
| 76 | |
| 77 | |
| 78 # Testing out new code optimizations using the generic hotspot "new code" parameter | |
| 79 #-XX:+UnlockDiagnosticVMOptions \ | |
| 80 #-XX:+UseNewCode \ | |
| 81 | |
| 82 | |
| 83 # Type specialization and math intrinsic replacement should be enabled by default in 8u20 and nine, | |
| 84 # keeping this flag around for experimental reasons. Replace + with - to switch it off | |
| 85 #-XX:+UseTypeSpeculation \ | |
| 86 | |
| 87 | |
| 88 # Same with math intrinsics. They should be enabled by default in 8u20 and 9 | |
| 89 #-XX:+UseMathExactIntrinsics \ | |
| 90 | |
| 91 | |
| 92 # Add -Dnashorn.time to time the compilation phases. | |
| 93 #-Dnashorn.time \ | |
| 94 | |
| 95 | |
| 96 # Add ShowHiddenFrames to get lambda form internals on the stack traces | |
| 97 #-XX:+ShowHiddenFrames \ | |
| 98 | |
| 99 | |
| 100 # Add print optoassembly to get an asm dump. This requires 1) a debug build, not product, | |
| 101 # That tired compilation is switched off, for C2 only output and that the number of | |
| 102 # compiler threads is set to 1 for determinsm. | |
| 103 #-XX:+PrintOptoAssembly -XX:-TieredCompilation -XX:CICompilerCount=1 \ | |
| 104 | |
| 105 # Tier compile threasholds. Default value is 10. (1-100 is useful for experiments) | |
| 106 # -XX:IncreaseFirstTierCompileThresholdAt=XX | |
| 107 |
