test/bench: note changes after recent improvements to locking and runtime

Some tests are significantly faster (50%), a few are slower (up to 30%).
Fannkuch is confusing: parallel code is a little slower for gc, non-parallel and all gccgo runs are faster.

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4830058

diff --git a/test/bench/timing.log b/test/bench/timing.log
index e6679798242152b27db493731f887fbd45671dc0..79cad2c5a9b45b03b45ae230a443e6794ecaa0b7 100644 (file)
--- a/test/bench/timing.log
+++ b/test/bench/timing.log
@@ -852,3 +852,30 @@ regex-dna 100000
        gc regex-dna    3.94u 0.00s 3.95r
        gc regex-dna-parallel   4.15u 0.01s 1.63r
        gc_B regex-dna  4.01u 0.01s 4.02r
+
+# Aug 4, 2011
+# After various updates to locking code and some runtime changes.
+
+fannkuch 12
+       gccgo -O2 fannkuch.go   51.59u 0.00s 51.69r # -4%
+       gccgo -O2 fannkuch-parallel.go  253.17u 0.00s 64.67r # -11%
+       gc fannkuch     103.14u 0.00s 103.36r # -5%
+       gc fannkuch-parallel    189.63u 0.00s 49.37r # +9%
+       gc_B fannkuch   49.19u 0.00s 49.29r # -14%
+
+regex-dna 100000
+       gc regex-dna    3.78u 0.00s 3.78r # -43%
+       gc regex-dna-parallel   3.84u 0.02s 1.48r # -49%
+       gc_B regex-dna  3.62u 0.00s 3.63r # -52%
+
+k-nucleotide 1000000
+       gc k-nucleotide 12.23u 0.02s 12.27r # +27%
+       gc k-nucleotide-parallel        12.76u 0.02s 4.37r # +29%
+       gc_B k-nucleotide       12.18u 0.01s 12.21r # +33%
+
+threadring 50000000
+       gc threadring   17.49u 0.00s 17.53r # +4%
+
+chameneos 6000000
+       gc chameneosredux       7.61u 0.00s 7.63r # -24%
+