From: erik quanstrom <quanstro@quanstro.net>
To: 9fans@9fans.net
Subject: Re: [9fans] dumb kw question
Date: Mon, 27 Dec 2010 09:00:42 -0500 [thread overview]
Message-ID: <608b86015aa017ae148c654b8314dbe1@plug.quanstro.net> (raw)
In-Reply-To: <b2eb68a71e4102fa136b0d091f3b19c0@hamnavoe.com>
On Mon Dec 27 04:07:57 EST 2010, 9fans@hamnavoe.com wrote:
> > what does BY2SE stand for?
> > bytes per what?
>
> I don't know the answer but here's a clue:
>
> ether1116.c:573: cachedwbse(&r->cs, BY2SE);
>
> l.s:342: TEXT cachedwbse(SB), 1, $-4 /* D writeback SE */
after quite the go around, BY2SE stands for "single entry".
which begs the question "single entry" of what. it appears
that it means a cache line, which is 32 bytes, judging from the
rounding that both l2cacheuwbse and cachedwbse do, all
the cachelines covered by the given object are flushed.
if i'm reading the code correctly, ...
- shouldn't BY2SE be replaced by either BY2WD or sizeof(thing)?
- erik
next prev parent reply other threads:[~2010-12-27 14:00 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-27 2:52 erik quanstrom
2010-12-27 9:06 ` Richard Miller
2010-12-27 14:00 ` erik quanstrom [this message]
2010-12-28 10:41 ` Gorka Guardiola
2010-12-28 10:42 ` Gorka Guardiola
2010-12-28 13:59 ` erik quanstrom
2010-12-30 1:05 ` Charles Forsyth
2010-12-30 1:24 ` erik quanstrom
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