horrible disk thorughput on itanium

[Neil Booth]

Paul Eggert wrote:-

> A few performance-oriented apps already have workarounds for this
> glibc misfeature.  I just added such a workaround to GNU diffutils,
> for example.  But I'm afraid that most GNU apps just poke along in
> slow mode when linked with glibc.

Until we tweaked it to work around glibc, stdio output of CPP 3.1 was
taking as much as 70% of runtime.  The tweaks have got it down to "as
much as 40%", which is still pretty appalling.

Neil.