From: cowan@mercury.ccil.org (John Cowan)
Subject: [TUHS] Early Unix function calls: expensive?
Date: Sun, 3 Jan 2016 19:00:20 -0500 [thread overview]
Message-ID: <20160104000017.GC1602@mercury.ccil.org> (raw)
In-Reply-To: <20160103233543.GA10102@minnie.tuhs.org>
Warren Toomey scripsit:
> VAX code was often spending 50% of its time in the CALLS
> instruction.
From what I understand, the use of CALLS was abandoned on the VAX
at some point in favor of a cheaper calling convention.
--
John Cowan http://www.ccil.org/~cowan cowan at ccil.org
Where the wombat has walked, it will inevitably walk again.
(even through brick walls!)
next prev parent reply other threads:[~2016-01-04 0:00 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-03 23:35 Warren Toomey
2016-01-03 23:53 ` Tim Bradshaw
2016-01-04 0:01 ` John Cowan
2016-01-04 4:40 ` Armando Stettner
2016-01-04 8:52 ` Tim Bradshaw
2016-01-04 17:29 ` Larry McVoy
2016-01-04 13:50 ` Clem Cole
2016-01-05 2:00 ` Ronald Natalie
2016-01-05 15:13 ` Clem Cole
2016-01-05 16:46 ` John Cowan
2016-01-05 17:33 ` Diomidis Spinellis
2016-01-05 17:42 ` Clem Cole
2016-01-05 17:28 ` Ronald Natalie
2016-01-05 17:43 ` Clem Cole
2016-01-05 17:46 ` Ronald Natalie
2016-01-05 18:03 ` Warner Losh
2016-01-05 18:24 ` Ronald Natalie
2016-01-05 20:26 ` scj
2016-01-05 20:49 ` John Cowan
2016-01-05 23:24 ` Dave Horsfall
2016-01-05 23:55 ` Ronald Natalie
2016-01-04 0:00 ` John Cowan [this message]
2016-01-04 0:42 ` scj
2016-01-04 11:35 ` Tony Finch
[not found] <mailman.3.1451865187.15972.tuhs@minnie.tuhs.org>
2016-01-04 1:08 ` Johnny Billquist
2016-01-04 1:29 ` Larry McVoy
2016-01-04 1:31 Noel Chiappa
2016-01-04 2:24 ` scj
2016-01-04 4:24 ` Larry McVoy
2016-01-04 1:59 Norman Wilson
2016-01-04 15:09 ` John Cowan
2016-01-04 2:21 Clem Cole
2016-01-04 12:53 Noel Chiappa
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20160104000017.GC1602@mercury.ccil.org \
--to=cowan@mercury.ccil.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).