Re: [PATCH] Pentium IV cacheline size.

Dave Jones
2001-10-13T14:27:26Z

On Sat, 13 Oct 2001, Mikael Pettersson wrote:

> According to the P4 and Xeon optimisation manual (#248966-03), the
> L1 cache has a 64-byte line size and the L2 cache has a 128-byte
> line size. (Page 1-18, Table 1-1.) Perhaps someone just confused

Great, conflicting documentation.
#24547203 (Vol3 : System programming guide) has this to say..
(page 325)
"The cache lines for the L1 and L2 caches in the Pentium 4 processor
are 64 bytes wide"

regards,

Dave.

--
| Dave Jones. http://www.codemonkey.org.uk
| SuSE Labs