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Date:      Sun, 9 Jun 1996 12:59:24 -0500 (EST)
From:      John Fieber <jfieber@indiana.edu>
To:        hackers@freebsd.org
Subject:   Bounce buffers in current vs stable
Message-ID:  <Pine.NEB.3.93.960609125343.303c-100000@Fieber-John.campusview.indiana.edu>

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I recently moved from stable to current (may 1 snapshot) and have
begun to ponder bounce buffers, since I have a 32 megabytes of
ram in an ISA system and an Adaptec 1542C SCSI controller.

Unfortunately I don't have any benchmarks from 2.1, but under
current the my system feels a lot slower than before the upgrade. 
When paging starts, things really slow to a crawl down to a
crawl. 

I'm wondering if any kernel/vm wizards would be able to speculate
on whether or not bounce buffer performance may have been a
casualty of general vm system changes.


-john

== jfieber@indiana.edu ===========================================
== http://fallout.campusview.indiana.edu/~jfieber ================




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