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Re: [GCC 3.0] Bad regression, binary size
On Mon, Jul 09, 2001 at 02:54:21PM -0700, Justin Guyett wrote:
> I dunno about the 1minute+ helloworld compile time someone just suggested,
> but this is disturbing:
> (v2.95) g++ -o hello hello.cc 0.15s user 0.03s system 96% cpu 0.186 total
> (v3.0) g++ -o hello hello.cc 2.04s user 0.06s system 99% cpu 2.102 total
>
> if there's a 2 second loading overhead for g++v3, that's 2 seconds * (#
> files) which can be quite a lot in large trees. Is this simply from
> linking in the new libstdc++?
Parsing the libstdc++ headers takes time, mostly because nearly all the
code is in the headers. Once we have 'export' this should be better.
Phil
--
Would I had phrases that are not known, utterances that are strange, in
new language that has not been used, free from repetition, not an utterance
which has grown stale, which men of old have spoken.
- anonymous Egyptian scribe, c.1700 BC