From: "Luke A. Guest" <laguest@archeia.com>
Subject: Re: Not good for Ada endorsement
Date: Thu, 8 Jul 2021 11:51:03 +0100 [thread overview]
Message-ID: <sc6lba$1vma$1@gioia.aioe.org> (raw)
In-Reply-To: sc6kqh$1sj$1@dont-email.me
On 08/07/2021 11:42, Jeffrey R. Carter wrote:
Here's the playlist
https://youtube.com/playlist?list=PLF2KJ6Gy3cZ5Er-1eF9fN1Hgw_xkoD9V1 the
second video is where he sets up Python, C# and C++.
> Compiling the original code with
>
> gnatmake prime_sieve.adb
>
> gives 408 passes in 5 seconds.
>
> Making the changes listed above (I used Interfaces.Integer_32) and
> compiling with
>
> gnatmake -O3 prime_sieve.adb
>
> (to ensure that no checks fail) gives 2087 passes in 5 seconds, for a
> factor of 5.1.
He shows the C++ jumping from 4645 (https://youtu.be/D3h62rgewZM?t=1246)
to 7,436 (https://youtu.be/D3h62rgewZM?t=1306) passes going from 32 to
64 bit.
He also uses clang's -Ofast option to compile for speed over size.
next prev parent reply other threads:[~2021-07-08 10:51 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-07 14:21 Not good for Ada endorsement Richard Iswara
2021-07-07 15:06 ` Luke A. Guest
2021-07-07 15:19 ` Doctor Who
2021-07-07 19:21 ` Simon Wright
2021-07-07 19:49 ` Doctor Who
2021-07-07 20:39 ` Luke A. Guest
2021-07-08 3:46 ` Richard Iswara
2021-07-08 8:20 ` Jeffrey R. Carter
2021-07-08 8:42 ` Dmitry A. Kazakov
2021-07-08 8:52 ` Luke A. Guest
2021-07-08 10:42 ` Jeffrey R. Carter
2021-07-08 10:51 ` Luke A. Guest [this message]
2021-07-08 11:12 ` Jeffrey R. Carter
2021-07-08 17:37 ` Luke A. Guest
2021-07-08 17:43 ` Luke A. Guest
2021-07-08 19:16 ` Luke A. Guest
2021-07-08 19:16 ` Luke A. Guest
2021-07-09 2:47 ` Richard Iswara
2021-07-09 8:10 ` Paul Rubin
2021-07-09 8:24 ` Egil H H
2021-07-09 8:33 ` Egil H H
2021-07-09 9:16 ` Jeffrey R. Carter
2021-07-09 9:21 ` Jeffrey R. Carter
2021-07-15 15:13 ` Lucretia
2021-07-15 15:56 ` Jeffrey R. Carter
2021-07-15 16:29 ` Anh Vo
2021-07-15 17:30 ` Lucretia
2021-07-16 16:27 ` Simon Wright
2021-07-16 16:28 ` Simon Wright
2021-07-23 17:55 ` Luke A. Guest
2021-07-23 17:04 ` Anh Vo
2021-07-23 17:12 ` Luke A. Guest
2021-07-15 16:29 ` Lucretia
2021-07-15 16:49 ` Dmitry A. Kazakov
2021-07-15 21:08 ` Jeffrey R. Carter
2021-07-11 15:54 ` Dennis Lee Bieber
2021-07-18 23:03 ` Mace Ayres
2021-07-19 1:00 ` Paul Rubin
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