code review 156110: test/bench revisions;

test/bench revisions;
  * reverse-complement: port C algorithm to Go
	saves 30% on my MacBook Pro and makes it a fairer comparison.
  * test reverse-complement with and without GC (another 15%)
  * revise timing.sh to work on more systems
  * avoid two glibcisms in fasta.c

[rsc, 2009-11-20 08:26:04]

Hello r,

I'd like you to review the following change.

[r, 2009-11-20 16:25:50]

LGTM

[rsc, 2009-11-20 16:59:13]

*** Submitted as http://code.google.com/p/go/source/detail?r=d8167387e008 ***

test/bench revisions;
  * reverse-complement: port C algorithm to Go
	saves 30% on my MacBook Pro and makes it a fairer comparison.
  * test reverse-complement with and without GC (another 15%)
  * revise timing.sh to work on more systems
  * avoid two glibcisms in fasta.c

R=r
http://codereview.appspot.com/156110