Bad performance of g++ on HP-UX???
Johan Van Praet
Wed Oct 20 01:25:00 GMT 1999
>> - the executables generated by g++ are a factor of 2 slower than with our
>> old HP CC (Version A.10.22). As a matter of fact, code compiled by g++ on
>> HP is *4 times slower* than on SUN...
Jeffrey> Note that HPs use the portable, but dog slow exception handling
Jeffrey> mechanism; you might try your benchmarking with -fno-exceptions if you
Jeffrey> are not using exceptions.
Do I understand correctly that on SUN another, SUN-specific exception handling
mechanism is used?
Any future plans to speed up exception handling on HP?
I'll report about using -fno-exceptions in a follow-up.
Thanks for the advice!
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