Re: [sage-devel] Re: Let's collect data on Sage startup time.

2010-03-04 Thread Mike Hansen
On Thu, Mar 4, 2010 at 12:29 PM, Peter Jeremy wrote: > About the only way I can see to improve startup speed would be to > implement some form of lazy loading - during startup, Sage just loads > a set of stub functions (from a very small number of physical files). > When those stubs are called, th

Re: [sage-devel] Re: Let's collect data on Sage startup time.

2010-03-04 Thread Peter Jeremy
On 2010-Mar-03 21:01:54 +0100, Martin Rubey wrote: >William Stein writes: >> It's interesting that in all these threads nobody has mentioned "sage >> -startuptime". That's the command that reports on what modules are > >here goes: Interesting but no smoking bullet. Looking only at the leaves,

Re: [sage-devel] Re: Let's collect data on Sage startup time.

2010-03-04 Thread Serge A. Salamanka
IBM HS22 E5540 4C 2.53GHZ 4GB BLADE Hardware CPU Name:Intel Xeon E5540 CPU Characteristics: Intel Turbo Boost Technology up to 2.80 GHz CPU MHz: 2533 FPU: Integrated CPU(s) enabled: 8 cores, 2 chips, 4 cores/chip, 2 threads/core CP

[sage-devel] Re: Let's collect data on Sage startup time.

2010-03-03 Thread Harald Schilly
On Mar 3, 10:17 pm, Jonathan Bober wrote: > The first depends mostly on > hard drive speed ... To be exact, it also depends on the filesystem :) i've ext4... And one small idea, to clear the disk cache in linux do sync ; sudo sh -c "echo 3 | tee /proc/sys/vm/drop_caches" http://boxen.math.wash

Re: [sage-devel] Re: Let's collect data on Sage startup time.

2010-03-03 Thread William Stein
On Wed, Mar 3, 2010 at 11:29 AM, Harald Schilly wrote: > On Mar 3, 6:16 pm, "Dr. David Kirkby" wrote: >> time echo "2+2;" | /absolute/path/to/sage >> > > For me: > real    0m24.730s > user    0m6.712s > sys     0m1.884s > > real    0m5.127s > user    0m4.348s > sys     0m0.784s > > real    0m5.24

[sage-devel] Re: Let's collect data on Sage startup time.

2010-03-03 Thread Harald Schilly
On Mar 3, 6:16 pm, "Dr. David Kirkby" wrote: > time echo "2+2;" | /absolute/path/to/sage > For me: real0m24.730s user0m6.712s sys 0m1.884s real0m5.127s user0m4.348s sys 0m0.784s real0m5.245s user0m4.560s sys 0m0.840s It's a N270 atom netbook, my hdd is $ su