lzo2 shows insane speed gap

[Tim Kientzle]

Kris Kennaway wrote:
> Christian Weisgerber wrote:
>> Bruce Cran <bruce at cran.org.uk> wrote:
>>
>>> I'm running 8.0-CURRENT amd64 here on a Turion64 X2 machine. Without
>>> malloc debugging (malloc.conf -> aj) 'make test' takes 25s; after
>>> removing malloc.conf thus turning on debugging, it takes over 10
>>> minutes.
>> ...
>>
>> But still.  Two orders of magnitude?  That is a pathological case.
> 
> Probably it means that lzo2 is doing pathological numbers of mallocs.

Rather, the lzo2 test suite.  Test suites do tend
to hammer malloc() pretty hard.  I see similar variations
for the libarchive test suite with malloc debugging.

Tim