From: Wilco Dijkstra <Wilco.Dijkstra@arm.com>
To: "Paul A. Clarke" <pc@us.ibm.com>
Cc: 'GNU C Library' <libc-alpha@sourceware.org>,
Adhemerval Zanella <adhemerval.zanella@linaro.org>
Subject: Re: RFC: Improve hypot performance
Date: Thu, 18 Nov 2021 17:39:10 +0000 [thread overview]
Message-ID: <VE1PR08MB5599BD3105B76B71A41C408B839B9@VE1PR08MB5599.eurprd08.prod.outlook.com> (raw)
In-Reply-To: <20211118161528.GB22452@li-24c3614c-2adc-11b2-a85c-85f334518bdb.ibm.com>
Hi Paul,
Great, that's about 14% higher throughput and 3.5% lower latency!
Looking in more detail, it appears AArch64 may be the only target
which inlines fmin/fmax with -O2, so the default is now off unless
math_private.h overrides it.
Cheers,
Wilco
prev parent reply other threads:[~2021-11-18 17:39 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-17 15:58 Wilco Dijkstra
2021-11-17 19:02 ` Paul A. Clarke
2021-11-18 12:37 ` Wilco Dijkstra
2021-11-18 15:43 ` Paul A. Clarke
2021-11-18 16:15 ` Paul A. Clarke
2021-11-18 17:39 ` Wilco Dijkstra [this message]
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