From: Jon Harrop <jon@ffconsultancy.com>
To: caml-list@yquem.inria.fr
Subject: Re: [Caml-list] HLVM...
Date: Sun, 27 Sep 2009 23:12:54 +0100 [thread overview]
Message-ID: <200909272312.54737.jon@ffconsultancy.com> (raw)
In-Reply-To: <2084D077-4ACC-4054-9DFF-A4B23F76BA31@refined-audiometrics.com>
On Sunday 27 September 2009 23:09:02 David McClain wrote:
> ... remember too, in signal and image processing applications,
> converting to raw machine integers and plowing ahead is often
> counterproductive.
>
> Rather we need saturating arithmetic to avoid abrupt transitions on
> overflow conditions, or modulo addressing. Neither of these is native
> to SSM, and have to be synthesized. DSP chips on the other hand almost
> always offer these variations implicitly or explicitly.
Sure. That does not change the fact that unnecessarily boxing these primitive
types severely degrades performance.
--
Dr Jon Harrop, Flying Frog Consultancy Ltd.
http://www.ffconsultancy.com/?e
next prev parent reply other threads:[~2009-09-27 22:12 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-27 22:09 HLVM David McClain
2009-09-27 22:12 ` Jon Harrop [this message]
2009-09-28 9:18 ` [Caml-list] HLVM Richard Jones
-- strict thread matches above, loose matches on Subject: below --
2009-09-27 16:57 HLVM David McClain
2009-09-27 17:07 ` [Caml-list] HLVM Alp Mestan
2009-09-26 17:21 HLVM David McClain
2009-09-26 21:41 ` [Caml-list] HLVM Jon Harrop
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