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Article <jwvedbmco81.fsf-monnier+comp.arch@gnu.org>

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Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: Stefan Monnier <monnier@iro.umontreal.ca>
Newsgroups: comp.arch
Subject: Re: Another security vulnerability
Date: Wed, 03 Apr 2024 14:10:41 -0400
Organization: A noiseless patient Spider
Lines: 9
Message-ID: <jwvedbmco81.fsf-monnier+comp.arch@gnu.org>
References: <utpoi2$b6to$1@dont-email.me>
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Bytes: 1555

> Since each chased pointer starts back at LSQ, the cost is no different
> than an explicit Prefetch instruction, except without (a),(b) and (c)
> having been applied first.

I thought the important difference is that the decision to prefetch or
not can be done dynamically based on past history.


        Stefan