Date: Wed, 12 Nov 2003 18:00:08 -0500 (EST) From: Jeff Roberson <jroberson@chesapeake.net> To: "David O'Brien" <obrien@freebsd.org> Cc: ticso@cicely.de Subject: Re: New alpha 5.x bug Message-ID: <20031112175839.F10222-100000@mail.chesapeake.net> In-Reply-To: <20031112183550.GA23200@dragon.nuxi.com>
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On Wed, 12 Nov 2003, David O'Brien wrote: > On Tue, Nov 11, 2003 at 07:42:19PM -0500, Jeff Roberson wrote: > > I wrote some code last night to write a predictable pattern of bytes on > > one side of a pipe and read it back in on another. I ran several sets of > > these programs over night, one doing 16byte transfers, another doing > > 16384, and another doing 100,000,000 bytes in 2xPAGE_SIZE chunks. > > Can you post the test code? Maybe Kris could run it on the Alpha custer > during some builds also. > http://www.chesapeake.net/~jroberson/reader.c && writer.c I use ./writer | ./reader You can specify a size, such as: ./writer 16384 | ./reader 16384 The sizes must match. They will read and write at most 32k at a time, using multiple passes for larger sizes. Cheers, Jeff
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