From: Jim Wilson <wilson@cygnus.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [Linux-ia64] Instruction Execution
Date: Tue, 17 Oct 2000 18:42:40 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105590678205580@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-105590678205577@msgid-missing>
Instruction timing depends on what instructions you are executing, and where
the stop bits are. If you are running a loop with FP instructions, or a loop
with a lot of serial instruction dependencies, then 1 cycle per instruction
is certainly possible. Since you didn't give any assembly code samples,
it isn't possible to tell if the loop was poorly optimized or not.
Jim
next prev parent reply other threads:[~2000-10-17 18:42 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-10-17 16:51 [Linux-ia64] Instruction Execution Mattox, Dave
2000-10-17 17:16 ` David Mosberger
2000-10-17 17:17 ` Francis Galiegue
2000-10-17 18:42 ` Jim Wilson [this message]
2000-10-17 21:15 ` Mattox, Dave
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