Re: Variability in build times.

2010-10-19 Thread Aleksandar Kuktin
>On Tue, 19 Oct 2010 05:03:15 +0200 (CEST) >Uwe Düffert wrote: > > Same with glibc here: The difference between the slowest and the > fastest run is just 0.3% (16m53.825 vs 16m57.186). > > Uwe Well, my results are way more interesting. :) Overnight builds, done while I was sleeping and therefor

Re: Variability in build times.

2010-10-19 Thread Ken Moffat
On Tue, Oct 19, 2010 at 02:18:47AM +0200, Uwe Düffert wrote: > > On Tue, 19 Oct 2010, Ken Moffat wrote: > > > But, I'm only ever comparing times on the same system, and this > > package (abiword) was almost at the end of my build, so the amount > > of '/' used is almost the same (for me, /home is

Re: Variability in build times.

2010-10-19 Thread Ken Moffat
On Tue, Oct 19, 2010 at 01:07:02PM +0200, Aleksandar Kuktin wrote: > >On Tue, 19 Oct 2010 05:03:15 +0200 (CEST) > >Uwe Düffert wrote: > > > > Same with glibc here: The difference between the slowest and the > > fastest run is just 0.3% (16m53.825 vs 16m57.186). > > > > Uwe > > Well, my results a

Re: Variability in build times.

2010-10-19 Thread Ken Moffat
On Tue, Oct 19, 2010 at 03:49:35PM +0100, Ken Moffat wrote: > > > Thanks. So, it's a uniprocessor problem. > /me is still puzzled that my *original* builds of abiword on these two machines (i.e. during the installation of my normal packages) are faster than any of my repeats, but that's life.

Re: Variability in build times.

2010-10-19 Thread Aleksandar Kuktin
>On Tue, 19 Oct 2010 17:28:33 +0100 >Ken Moffat wrote: > > This range of variation *probably* only applies to complex builds > (lots of c++ and libtool) and is perhaps magnified by whatever > abiword does for its own 'dolt' versions of libtool and friends. > Thanks for all the helpful comments. >

Re: Variability in build times.

2010-10-19 Thread linux fan
On 10/19/10, Ken Moffat wrote: > /me is still puzzled that my *original* builds of abiword on these > two machines (i.e. during the installation of my normal packages) > are faster than any of my repeats, but that's life. > Make sure 1 SBU = 1 SBU. Some versions (gcc, etc.) may take more time.

Re: Variability in build times.

2010-10-19 Thread Ken Moffat
On Tue, Oct 19, 2010 at 02:02:01PM -0400, linux fan wrote: > On 10/19/10, Ken Moffat wrote: > > > /me is still puzzled that my *original* builds of abiword on these > > two machines (i.e. during the installation of my normal packages) > > are faster than any of my repeats, but that's life. > > >

Re: Variability in build times.

2010-10-19 Thread linux fan
On 10/19/10, Ken Moffat wrote: > > Umm, yes. Actually, I was really querying the *elapsed* time. But I never can keep track of which apples are apples and which ones are oranges, but just in case time happens to include find, du, and other such operations, I notice that they do seem efficient

Re: Variability in build times.

2010-10-19 Thread Uwe Düffert
On Tue, 19 Oct 2010, Ken Moffat wrote: > So, on the assumption that this variability is a uniprocessor > feature, I'll conclude that a lightly loaded desktop can have at > least a 15% range of build times. Well, after all, do you really think this is astonishing? On a single core machine just (co

Re: Variability in build times.

2010-10-19 Thread Andrew Benton
On Mon, 18 Oct 2010 18:38:48 -0400 linux fan wrote: > start=$(date +%s) > ... stuff happens ... > end=$(date +%s) > elaps=$(( end - start )) > That's an interesting suggestion. Thanks! Andy -- http://linuxfromscratch.org/mailman/listinfo/blfs-dev FAQ: http://www.linuxfromscratch.org/blfs/faq.h