hg: code-tools/jmh: 3 new changesets

[aleksey.shipilev at oracle.com]

Changeset: c6ec28d46af3
Author:    shade
Date:      2013-09-27 11:04 +0400
URL:       http://hg.openjdk.java.net/code-tools/jmh/rev/c6ec28d46af3

Don't print "null" with sample report.

! jmh-core/src/main/java/org/openjdk/jmh/logic/results/SampleTimePerOp.java

Changeset: fde33cbb4ced
Author:    shade
Date:      2013-09-27 11:11 +0400
URL:       http://hg.openjdk.java.net/code-tools/jmh/rev/fde33cbb4ced

Tune up sampling start to get the first sample always.

! jmh-core/src/main/java/org/openjdk/jmh/processor/internal/GenerateMicroBenchmarkProcessor.java

Changeset: 1a562b8e78b0
Author:    shade
Date:      2013-09-27 11:27 +0400
URL:       http://hg.openjdk.java.net/code-tools/jmh/rev/1a562b8e78b0

Reduce the sampling buffer to 1000.
There is no improvement in accuracy in going for 10000, while it considerably bloats the post-processing time.

! jmh-core/src/main/java/org/openjdk/jmh/util/internal/SampleBuffer.java