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Re: 3.2 vs 3.1 speed
- From: law at redhat dot com
- To: Dan Nicolaescu <dann at godzilla dot ICS dot UCI dot EDU>
- Cc: "David S. Miller" <davem at redhat dot com>, gcc at gcc dot gnu dot org, "Vladimir N. Makarov" <vmakarov at redhat dot com>
- Date: Wed, 05 Jun 2002 15:06:22 -0600
- Subject: Re: 3.2 vs 3.1 speed
- Reply-to: law at redhat dot com
In message <200206051353.aa01413@gremlin-relay.ics.uci.edu>, Dan Nicolaescu wri
tes:
>
> One of the reasons that 3.2 is slower than 3.1 is that 3.2 just
> generates a lot more RTL (also see the huge increase in time spent in
> expand).
Which is rather curious. What would be even more interesting would be to know
how much of that RTL is due to the RTL inliner and how much is due to the
tree inliner.
jeff