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Re: [PATCH][4/n] Cleanup LTO type merging

From: Jan Hubicka <hubicka at ucw dot cz>
To: Jan Hubicka <hubicka at ucw dot cz>
Cc: Richard Guenther <rguenther at suse dot de>, gcc-patches at gcc dot gnu dot org
Date: Thu, 12 May 2011 13:39:02 +0200
Subject: Re: [PATCH][4/n] Cleanup LTO type merging
References: <alpine.LNX.2.00.1105111442340.810@zhemvz.fhfr.qr> <20110511222035.GA1861@atrey.karlin.mff.cuni.cz>

> > 
> > This removes the mode param from the generic type merging machinery
> > and simplifies code accordingly.
> > 
> > Bootstrapped and tested on x86_64-unknown-linux-gnu, applied to trunk.
> Hi,
> looks the cleanup series makes a progress, now I get 459s for Mozilla WPA (it was 540 last time I tried).
> Out of that 262s is still ipa lto decl in.
> oprofile is as follows:
> 
> 123230   20.1719  lto1                     htab_find_slot_with_hash
> 58203     9.5274  lto1                     gimple_type_eq
> 50017     8.1874  lto1                     iterative_hash_hashval_t
> 40099     6.5639  libc-2.11.1.so           _int_malloc
^^ note that the int_malloc calls seems to be mostly due to repetetive creating/destroying the scc pointer map.

Honza

References:
- [PATCH][4/n] Cleanup LTO type merging
  - From: Richard Guenther
- Re: [PATCH][4/n] Cleanup LTO type merging
  - From: Jan Hubicka

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