Re: Reader performance regression

[Mike Gran]

> From: Ludovic Courtès <address@hidden>

> Hello,
> 

...

> IOW, ‘read’ performs badly.
> 
> Commit 889975e51accb80491af76fc5db980aeb3edd342 may have been a
> performance regression as it did away with the optimization that
> consisted in using stack-allocated buffers in the common case, rather
> than heap-allocated temporaries [0, 1].  (Indeed, Guile-Reader, whose
> code is close to that of the pre-Unicode ‘scm_read ()’, is 1.4x faster
> than current ‘read’.)
> 
> Mike: would you like to try to reintroduce that optimization?  :-)
> What do you think?

I'll see what I can do.

Thanks,

Mike