Re: Why is it so damn slow ?

2013-05-05 Thread Richard Braun
On Sun, Dec 02, 2012 at 11:15:08AM +0100, Richard Braun wrote: > On Sat, Dec 01, 2012 at 12:53:30PM +0100, Thomas Schwinge wrote: > > So, switching to a SSD does give a small performance boost, but not the > > big one we had hoped for. Using --no-atime improves this further. > > Perhaps we should

Re: Why is it so damn slow ?

2012-12-02 Thread Richard Braun
On Sun, Dec 02, 2012 at 11:15:08AM +0100, Richard Braun wrote: > the port to pthreads), I noticed that much of the time spent by the CPU > is actually wasted for two major reasons. I didn't emphasize enough that, contrary to "popular" belief, the main bottleneck is _CPU_ time (well, the suboptimal

Re: Why is it so damn slow ?

2012-12-02 Thread Richard Braun
On Sat, Dec 01, 2012 at 12:53:30PM +0100, Thomas Schwinge wrote: > So, switching to a SSD does give a small performance boost, but not the > big one we had hoped for. Using --no-atime improves this further. > Perhaps we should follow suit with the Linux kernel, and implement and > make default a ยป