gc pidigits 2.85u 0.02s 2.88r # -22%
gc_B pidigits 2.88u 0.01s 2.90r # -21%
+# Sep 26, 2012
+# 64-bit ints, plus significantly better floating-point code.
+# Interesting details:
+# Generally something in the 0-10% slower range, some (binary tree) more
+# Floating-point noticeably faster:
+# nbody -25%
+# mandelbrot -37% relative to Go 1.
+# Other:
+# regex-dna +47%
+fasta -n 25000000
+ gcc -O2 fasta.c 1.43u 0.03s 1.46r
+ gccgo -O2 fasta.go 1.47u 0.00s 1.47r
+ gc fasta 1.78u 0.01s 1.80r
+ gc_B fasta 1.76u 0.00s 1.76r
+
+reverse-complement < output-of-fasta-25000000
+ gcc -O2 reverse-complement.c 1.14u 0.39s 11.19r
+ gccgo -O2 reverse-complement.go 0.91u 0.17s 1.09r
+ gc reverse-complement 1.12u 0.18s 1.31r
+ gc_B reverse-complement 1.12u 0.15s 1.28r
+
+nbody -n 50000000
+ gcc -O2 nbody.c -lm 13.02u 0.00s 13.05r
+ gccgo -O2 nbody.go 13.90u 0.00s 13.93r
+ gc nbody 17.05u 0.00s 17.09r
+ gc_B nbody 16.30u 0.00s 16.34r
+
+binary-tree 15 # too slow to use 20
+ gcc -O2 binary-tree.c -lm 0.61u 0.00s 0.61r
+ gccgo -O2 binary-tree.go 1.24u 0.04s 1.29r
+ gccgo -O2 binary-tree-freelist.go 0.21u 0.01s 0.22r
+ gc binary-tree 1.93u 0.02s 1.96r
+ gc binary-tree-freelist 0.32u 0.00s 0.33r
+
+fannkuch 12
+ gcc -O2 fannkuch.c 45.19u 0.00s 45.29r
+ gccgo -O2 fannkuch.go 60.32u 0.00s 60.45r
+ gccgo -O2 fannkuch-parallel.go 185.59u 0.00s 59.49r
+ gc fannkuch 72.14u 0.00s 72.30r
+ gc fannkuch-parallel 172.54u 0.00s 43.59r
+ gc_B fannkuch 53.55u 0.00s 53.67r
+
+regex-dna 100000
+ gcc -O2 regex-dna.c -lpcre 0.47u 0.00s 0.47r
+ gccgo -O2 regex-dna.go 6.49u 0.05s 6.56r
+ gccgo -O2 regex-dna-parallel.go 14.60u 0.67s 4.42r
+ gc regex-dna 3.91u 0.00s 3.92r
+ gc regex-dna-parallel 4.01u 0.03s 1.56r
+ gc_B regex-dna 3.91u 0.00s 3.92r
+
+spectral-norm 5500
+ gcc -O2 spectral-norm.c -lm 15.85u 0.00s 15.89r
+ gccgo -O2 spectral-norm.go 15.86u 0.00s 15.89r
+ gc spectral-norm 19.72u 0.00s 19.76r
+ gc_B spectral-norm 19.68u 0.01s 19.74r
+
+k-nucleotide 1000000
+ gcc -O2 k-nucleotide.c -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -lglib-2.0 4.90u 0.01s 4.93r
+ gccgo -O2 k-nucleotide.go 4.78u 0.01s 4.80r
+ gccgo -O2 k-nucleotide-parallel.go 6.49u 0.02s 2.18r
+ gc k-nucleotide 9.05u 0.02s 9.09r
+ gc k-nucleotide-parallel 9.27u 0.01s 3.29r
+ gc_B k-nucleotide 8.95u 0.03s 9.00r
+
+mandelbrot 16000
+ gcc -O2 mandelbrot.c 36.11u 0.00s 36.19r
+ gccgo -O2 mandelbrot.go 43.67u 0.00s 43.77r
+ gc mandelbrot 38.57u 0.00s 38.66r
+ gc_B mandelbrot 38.59u 0.00s 38.68r
+
+meteor 2098
+ gcc -O2 meteor-contest.c 0.09u 0.00s 0.09r
+ gccgo -O2 meteor-contest.go 0.09u 0.00s 0.09r
+ gc meteor-contest 0.13u 0.00s 0.14r
+ gc_B meteor-contest 0.12u 0.00s 0.13r
+
+pidigits 10000
+ gcc -O2 pidigits.c -lgmp 2.26u 0.00s 2.27r
+ gccgo -O2 pidigits.go 9.05u 0.00s 9.07r
+ gc pidigits 2.88u 0.02s 2.90r
+ gc_B pidigits 2.89u 0.00s 2.90r
+
+threadring 50000000
+ gcc -O2 threadring.c -lpthread 37.30u 327.81s 289.28r
+ gccgo -O2 threadring.go 42.83u 26.15s 69.14r
+ gc threadring 13.00u 0.00s 13.03r
+
+chameneos 6000000
+ gcc -O2 chameneosredux.c -lpthread 8.80u 71.67s 12.19r
+ gccgo -O2 chameneosredux.go 11.28u 6.68s 18.00r
+ gc chameneosredux 6.94u 0.00s 6.96r
+