-
Enhancement
-
Resolution: Fixed
-
P4
-
9
-
b107
Reported here:
http://mail.openjdk.java.net/pipermail/hotspot-compiler-dev/2015-September/019093.html
Indeed, running that simple benchmark on current JDK 9 and under -prof perfasm yields an ineffective code (see comments in the code):
http://cr.openjdk.java.net/~shade/8137049/LoopReduceBench.java
Full perfasm log:
http://cr.openjdk.java.net/~shade/8137049/loop-reduce.perfasm
Runnable benchmark:
http://cr.openjdk.java.net/~shade/8137049/benchmarks.jar (-prof perfasm to produce output)
http://mail.openjdk.java.net/pipermail/hotspot-compiler-dev/2015-September/019093.html
Indeed, running that simple benchmark on current JDK 9 and under -prof perfasm yields an ineffective code (see comments in the code):
http://cr.openjdk.java.net/~shade/8137049/LoopReduceBench.java
Full perfasm log:
http://cr.openjdk.java.net/~shade/8137049/loop-reduce.perfasm
Runnable benchmark:
http://cr.openjdk.java.net/~shade/8137049/benchmarks.jar (-prof perfasm to produce output)