Re: Speeding up Emacs load time

[Dan Espen]

david@adboyd.com (J. David Boyd) writes:

> david@adboyd.com (J. David Boyd) writes:
>
>> Bob Proulx <bob@proulx.com> writes:
>>
>>>
>>> Timings from my system after much optimization.
>>>
>>>   $ time emacs -f kill-emacs
>>>   real    0m0.157s
>>>   user    0m0.140s
>>>   sys     0m0.012s
>>>   $ time emacs -q -f kill-emacs
>>>   real    0m0.137s
>>>   user    0m0.116s
>>>   sys     0m0.016s
>>>   $ time emacs -Q -f kill-emacs
>>>   real    0m0.051s
>>>   user    0m0.028s
>>>   sys     0m0.020s
>>>
>>> Bob
>>
>>
>> Here's mine at present.  I'll have to work at it and see if I can approach
>> your times...
>>
>>
>> $ time emacs -f kill-emacs
>>
>> real    0m23.400s
>> user    0m7.199s
>> sys     0m9.500s
>>
>> $ time emacs -q -f kill-emacs
>>
>> real    0m1.710s
>> user    0m1.170s
>> sys     0m0.249s
>>
>> $ time emacs -Q -f kill-emacs
>>
>> real    0m1.680s
>> user    0m1.201s
>> sys     0m0.217s
>
>
> After some minor tweaking, I got it down to
>
> real    0m11.623s
> user    0m5.439s
> sys     0m4.451s
>
>
> I can live with that for a while.   Getting it any faster would take a lot of
> tweaking that I don't have time for right now.
>
> Thanks for the thread.  11 seconds is much better than 24!

Don't know if anyone has pointed out that your first test is going to be
dramatically slower than subsequent tests:

home> time emacs -Q -f kill-emacs

real    0m6.582s
user    0m0.409s
sys     0m0.109s
home> time emacs -Q -f kill-emacs

real    0m0.500s
user    0m0.385s
sys     0m0.062s


-- 
Dan Espen