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From: "Jeffrey R. Carter" <spam.jrcarter.not@spam.not.acm.org>
Subject: Re: GNAT vs Matlab - operation on multidimensional complex matrices
Date: Tue, 24 Mar 2020 10:37:27 +0100
Date: 2020-03-24T10:37:27+01:00	[thread overview]
Message-ID: <r5ckcn$26v$1@dont-email.me> (raw)
In-Reply-To: <6c2c0e35-af07-4169-8be5-464ec7fd0fd5@googlegroups.com>

On 3/24/20 12:16 AM, darek wrote:
> 
> In the case of Ada code, the complex operations are ~ 6 times slower that for the real numbers.

With FSF GNAT 9.2.1 on Linux, compiled with -O2 -gnatn -fstack-check, on my 
machine (Intel Core i7-6700HQ 2.6 GHz) the complex time is about 1.14 times the 
real time. With -O3 -gnatpn, about 1.13 times.

-- 
Jeff Carter
"Now look, Col. Batguano, if that really is your name."
Dr. Strangelove
31

  parent reply	other threads:[~2020-03-24  9:37 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-23 23:16 GNAT vs Matlab - operation on multidimensional complex matrices darek
2020-03-24  2:07 ` johnscpg
2020-03-24  6:40 ` J-P. Rosen
2020-03-24  9:37 ` Jeffrey R. Carter [this message]
2020-03-24 14:55   ` darek
2020-03-24 15:44 ` johnscpg
2020-03-31 17:25 ` Shark8
2020-03-31 19:20   ` Simon Wright
2020-03-31 19:54     ` Shark8
2020-04-29 21:08     ` vincent.diemunsch
2020-04-01 11:01   ` darek
2020-04-01 15:01     ` J-P. Rosen
2020-04-01 16:39       ` darek
2020-04-01 17:15         ` J-P. Rosen
2020-03-31 20:05 ` Shark8
2020-03-31 20:51   ` Jeffrey R. Carter
2020-06-08 17:42 ` Shark8
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