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[Bug middle-end/13776] [4.0 Regression] Many C++ compile-time regressions for MICO's ORB code
- From: "rguenth at tat dot physik dot uni-tuebingen dot de" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 26 Jan 2005 10:24:59 -0000
- Subject: [Bug middle-end/13776] [4.0 Regression] Many C++ compile-time regressions for MICO's ORB code
- References: <20040120183908.13776.kgardas@objectsecurity.com>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From rguenth at tat dot physik dot uni-tuebingen dot de 2005-01-26 10:24 -------
Subject: Re: [4.0 Regression] Many C++ compile-time
regressions for MICO's ORB code
> Bah, I hate profiles for "cc1plus -O2 ir.ii" without peaks:
>
> CPU: P4 / Xeon with 2 hyper-threads, speed 3194.17 MHz (estimated)
> Counted GLOBAL_POWER_EVENTS events (time during which processor is not
> stopped) with a unit mask of 0x01 (mandatory) count 100000
> samples % symbol name
> 25018 1.6858 walk_tree
> 24322 1.6389 cgraph_node_for_asm
> 19586 1.3198 htab_find_slot_with_hash
Do you have numbers wether we are memory-bandwith limited here? If
not, we might micro-optimize hash table access somewhat more.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13776