Thread (1 message) 1 message, 1 author, 2001-02-08
  • (off-list ancestor, not in this archive)
  • Re: context overflow · Cort Dougan <hidden> · 2001-02-08

Re: context overflow

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From: Cort Dougan <hidden>
Date: 2001-02-08 21:28:55

} that the port is not using the PowerPC architecture as intended.  By not
} utilizing the hardware assists, the port is not performing at its optimal
} level.

I have data, and have written a paper with Victor and Paul, showing that we
get performance _increases_ by not using the PowerPC MMU architecture as
intended.  I think the PPC architecture intentions for the hash table and
TLB and very very poor and restrictive.  The 603 was a good step forward
but the 750, 7400 and follow-ons have been steps backwards from this good
start.

** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
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