go/test/bench/timing.log

All tests on r45

Aug 3 2009

First version of fasta. Translation of fasta.c, fetched from
	http://shootout.alioth.debian.org/u32q/benchmark.php?test=fasta&lang=gpp&id=4

fasta -n 25000000
	gcc -O2 fasta.c	5.98u 0.00s 6.01r
	gccgo -O2 fasta.go	8.82u 0.02s 8.85r
	6g fasta.go	13.50u 0.02s 13.53r
	6g -B fata.go	12.99u 0.02s 13.02r

Aug 4 2009
[added timing.sh]

# myrandom:
#   hand-written optimization of integer division
#   use int32->float conversion
fasta -n 25000000
	gcc -O2 fasta.c	5.99u 0.00s 6.00r 
	gccgo -O2 fasta.go	8.82u 0.02s 8.85r
	gc fasta	10.70u 0.00s 10.77r
	gc_B fasta	10.09u 0.03s 10.12r

reverse-complement < output-of-fasta-25000000
	gcc -O2 reverse-complement.c	2.04u 0.94s 10.54r
	gccgo -O2 reverse-complement.go	6.54u 0.63s 7.17r
	gc reverse-complement	6.55u 0.70s 7.26r
	gc_B reverse-complement	6.32u 0.70s 7.10r

nbody 50000000
	gcc -O2 nbody.c	21.61u 0.01s 24.80r
	gccgo -O2 nbody.go	118.55u 0.02s 120.32r
	gc nbody	100.84u 0.00s 100.85r
	gc_B nbody	103.33u 0.00s 103.39r
[
hacked Sqrt in assembler
	gc nbody	31.97u 0.00s 32.01r
]

binary-tree 15 # too slow to use 20
	gcc -O2 binary-tree.c -lm	0.86u 0.00s 0.87r
	gccgo -O2 binary-tree.go	1.69u 0.46s 2.15r
	gccgo -O2 binary-tree-freelist.go	8.48u 0.00s 8.48r
	gc binary-tree	9.60u 0.01s 9.62r
	gc binary-tree-freelist	0.48u 0.01s 0.50r

August 5, 2009

fannkuch 12
	gcc -O2 fannkuch.c	60.09u 0.01s 60.32r
	gccgo -O2 fannkuch.go	64.89u 0.00s 64.92r
	gc fannkuch	124.59u 0.00s 124.67r
	gc_B fannkuch	91.14u 0.00s 91.16r

regex-dna 100000
	gcc -O2 regex-dna.c -lpcre	0.92u 0.00s 0.99r
	gc regexp-dna	26.94u 0.18s 28.75r
	gc_B regexp-dna	26.51u 0.09s 26.75r

spectral-norm 5500
	gcc -O2 spectral-norm.c -lm	11.54u 0.00s 11.55r
	gccgo -O2 spectral-norm.go	12.20u 0.00s 12.23r
	gc spectral-norm	50.23u 0.00s 50.36r
	gc_B spectral-norm	49.69u 0.01s 49.83r
	gc spectral-norm-parallel	24.47u 0.03s 11.05r  # has shift >>1 not div /2
	[using >>1 instead of /2 : gc gives 24.33u 0.00s 24.33r]