On Wed 25 Feb 2009 22:16, l...@gnu.org (Ludovic Courtès) writes:

>> The 1.8 results were against the Fedora guile, and the vm results
>> against libguile/.libs/lt-guile, run inside pre-inst-guile-env.
>
> The issue is that `pre-inst-guile-env' adds overhead, which may not be
> negligible when measuring startup time.

Perhaps I was unclear. They were run as:

wi...@unquote:~/src/guile/vm$ ./pre-inst-guile-env bash
wi...@unquote:~/src/guile/vm$ time for i in 0 1 2 3 4 5 6 7 8 9; do 
libguile/.libs/lt-guile -c 1; done

real    0m0.098s
user    0m0.059s
sys     0m0.026s

I don't think there's overhead here. There certainly is if you time
./pre-inst-guile instead:

wi...@unquote:~/src/guile/vm$ time for i in 0 1 2 3 4 5 6 7 8 9; do 
./pre-inst-guile -c 1; done

real    0m0.307s
user    0m0.164s
sys     0m0.120s

Andy
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