Messages in this thread | | | Date | Wed, 23 Jun 1999 13:57:41 +0200 | From | Matthew Wilcox <> | Subject | Re: 2.3.7: where are the gains? |
| |
On Wed, Jun 23, 1999 at 11:34:12AM +1000, Richard Gooch wrote: > But, DaveM said in another thread: > > One decent example of this case is a kernel build, generating all > > the .depend etc. files and then reading them back almost > > immediately. > > 2.3.7: > time make dep > 21.950u 3.120s 0:26.90 93.1% 0+0k 0+0io 41875pf+0w > > 2.3.5: > time make dep > 22.240u 2.800s 0:25.90 96.6% 0+0k 0+0io 42128pf+0w > > So we see an increase of 11% in system time, when going from 2.3.5 to > 2.3.7. But according to what DaveM said, this is a case which should > definately have benefited.
`make dep' generates the .depend files. I don't think it uses them.
The reading them back almost instantly step is when you do the `make zImage' which was shown by the figures I cruelly snipped.
-- Matthew Wilcox <willy@bofh.ai> "Windows and MacOS are products, contrived by engineers in the service of specific companies. Unix, by contrast, is not so much a product as it is a painstakingly compiled oral history of the hacker subculture." - N Stephenson
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
| |