AMD K6-2s and the -mcpu=xxx switch.
flare at downcity.net
Tue Aug 8 17:19:53 PDT 2000
> > So, can we K6-2 owners use -mcpu=i686 -march=i686 ?? After spending a 3
> > day weekend on LFS I need a break, so I'm not going to try it right
> > away, if no one has tried it before I do I'll let you all know how it
> > went.
> Yes I believe everbody does it that way and it seems to work just fine.
If the above is true I'd really wonder exactly how much PPro optimization
gcc applies as the *entire* K6 line is definitly not a 6th generation
processor but a 5th. There's an easy way to prove this as well: Get a hold
of an Intel pentium 233MMX and any K6. Now run most any benchmark you want
making sure that that you clock each processor at the _same_ frequency i.e.
233 MHZ @ 66MHZ Front Side Bus.
Spoiler: The Intel chip will win at least 95% of the time, this with your
K6 having twice the amount of L1 cache
At any rate I'd really be interested in how successfull you are and a good
project would also be to benchmark the difference between binaries compiles
i586 vs. i686
Interestingly AMD touts thier wickedly fast Athlon as being 7th generation
does gcc support i786?
Mail archive: http://www.pcrdallas.com/mail-archives/lfs-discuss
IRC access: server: irc.linuxfromscratch.org port: 6667 channel: #LFS
Unsubscribe: email lfs-discuss-request at linuxfromscratch.org and put
"unsubscribe" (without the quotation marks) in the body of the message
(no subject is required)
More information about the lfs-dev