On Thu, 19 Jan 2023 20:43:11 GMT, Mandy Chung <mch...@openjdk.org> wrote:
> `java/lang/invoke/VarHandles` tests run with C1, C2 and tiered compilations > and the test cases are executed in the warm up loop with 20000 iterations to > verify C1, C2 intrinsics. Default Tier4CompileThreshold is 15000. > > This PR proposes to scale the compile threshold to 0.1 such that the warm up > loop can be reduced to 2000 iterations. This will speed up the test > execution time. > > > Before: > make test-only TEST=open/test/jdk/java/lang/invoke/VarHandles 341.06s user > 14.65s system 563% cpu 1:03.14 total > > After: > make test-only TEST=open/test/jdk/java/lang/invoke/VarHandles 234.38s user > 13.08s system 535% cpu 46.218 total test/jdk/java/lang/invoke/VarHandles/VarHandleTestAccessBoolean.java line 284: > 282: > 283: // CompileThresholdScaling is set to 0.1 and ITERS to 2000 to reduce > 284: // the test execution Wouldn't this be clearer as an `@comment` in the test header prior to the `@run` statements that use the variables? ------------- PR: https://git.openjdk.org/jdk/pull/12104
