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From: Alejandro Martinez Vicente <Alejandro.MartinezVicente@arm.com>
To: a b <blue_3too@hotmail.com>, gcc gcc <gcc@gcc.gnu.org>
Cc: nd <nd@arm.com>
Subject: RE: What are the optimizations that contribute to ~70% improvement on SPEC06 hmmer benchmark?
Date: Fri, 24 May 2019 08:23:00 -0000	[thread overview]
Message-ID: <DB7PR08MB316334B6DC746E4EF0D28217E5020@DB7PR08MB3163.eurprd08.prod.outlook.com> (raw)
In-Reply-To: <DM6PR18MB30330A7DA7E31B7C2BE3DEB2C9010@DM6PR18MB3033.namprd18.prod.outlook.com>

> -----Original Message-----
> From: gcc-owner@gcc.gnu.org <gcc-owner@gcc.gnu.org> On Behalf Of a b
> Sent: 23 May 2019 21:04
> To: gcc gcc <gcc@gcc.gnu.org>
> Subject: What are the optimizations that contribute to ~70% improvement on
> SPEC06 hmmer benchmark?
> 
> Recently I happen to notice that there is more than 70% performance
> improvement for SPEC06 hmmer benchmark from Linaro GCC 5.2-2015.11-
> 2<https://releases.linaro.org/components/toolchain/binaries/5.2-2015.11-2/>
> to GCC 10.0 on ARM platforms.
> 
> I did some quick searching and think loop
> distribution<https://community.arm.com/developer/tools-
> software/tools/b/tools-software-ides-blog/posts/gnu-toolchain-performance-
> in-2018> and
> vectorization<http://www.teratec.eu/library/pdf/forum/2018/Presentations/04
> _Eric_Van_Hensbergen_Arm_Forum_Teratec_2018.pdf> contribute  25% and
> 30%, respectively. But they still don't add up to 70%. Can you explain what else
> is helping here?

1.25 x 1.3 = 1.625 Not far from 1.7 😊

Alejandro

> 
> Thanks

      reply	other threads:[~2019-05-24  8:23 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-23 20:04 a b
2019-05-24  8:23 ` Alejandro Martinez Vicente [this message]

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