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

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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
This commit is contained in:
Rob Pike 2011-08-04 11:29:20 +10:00
parent a496c9eaa6
commit 6fe82e6b96
1 changed files with 27 additions and 0 deletions
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test/bench/timing.log
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@ -852,3 +852,30 @@ regex-dna 100000
gc regex-dna 3.94u 0.00s 3.95r gc regex-dna 3.94u 0.00s 3.95r
gc regex-dna-parallel 4.15u 0.01s 1.63r gc regex-dna-parallel 4.15u 0.01s 1.63r
gc_B regex-dna 4.01u 0.01s 4.02r 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%