From: Pavel Roskin <proski-mXXj517/zsQ@public.gmane.org>
To: Johannes Berg <johannes-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>
Cc: linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-sparse-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: sparse using insane amounts of memory
Date: Thu, 08 Mar 2007 12:34:30 -0500 [thread overview]
Message-ID: <1173375270.15842.24.camel@dv> (raw)
In-Reply-To: <1173372315.3248.19.camel-YfaajirXv214zXjbi5bjpg@public.gmane.org>
On Thu, 2007-03-08 at 17:45 +0100, Johannes Berg wrote:
> and aborted when I got lots of errors, rt2400pci.i was created and has
> about 26k lines. Running sparse on it (sparse rt2400pci.i) takes a lot
> of memory too. I put the file up at
> http://johannes.sipsolutions.net/files/rt2400pci.i
FIELDS32 expands to some monstrosities. Look for rt2x00_bbp_write in
the dump. Also behold the amount of parentheses in LOWEST_BIT32.
That's almost certainly the culprit.
I understand the idea is to make gcc calculate integer logarithms at the
compile time. That's nice, but sparse has to do the same, and it's
probably not optimized for such misuse.
--
Regards,
Pavel Roskin
next prev parent reply other threads:[~2007-03-08 17:34 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-08 2:02 sparse using insane amounts of memory Johannes Berg
[not found] ` <1173319356.3546.54.camel-YfaajirXv214zXjbi5bjpg@public.gmane.org>
2007-03-08 16:33 ` Pavel Roskin
2007-03-08 16:45 ` Johannes Berg
2007-03-08 17:13 ` Pavel Roskin
2007-03-08 17:31 ` Chris Wedgwood
2007-03-08 17:43 ` Linus Torvalds
[not found] ` <1173372315.3248.19.camel-YfaajirXv214zXjbi5bjpg@public.gmane.org>
2007-03-08 17:34 ` Pavel Roskin [this message]
2007-03-08 17:42 ` Johannes Berg
2007-03-08 17:43 ` Johannes Berg
2007-03-08 18:08 ` Ivo van Doorn
2007-03-08 18:54 ` Linus Torvalds
[not found] ` <Pine.LNX.4.64.0703081023490.10832-5CScLwifNT1QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>
2007-03-08 19:02 ` Sam Ravnborg
2007-03-08 19:08 ` Linus Torvalds
[not found] ` <Pine.LNX.4.64.0703081104010.10832-5CScLwifNT1QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>
2007-03-10 5:05 ` Darren Jenkins
2007-03-08 19:26 ` Ivo van Doorn
2007-03-09 1:12 ` OT [Re: sparse using insane amounts of memory] Tommy Thorn
2007-03-09 2:15 ` OT David Miller
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