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Re: Mach lack for frequent operations

From: Matheus Morais
Subject: Re: Mach lack for frequent operations
Date: Thu, 1 Dec 2005 13:40:36 -0200

I think this is a implementation problem, there is no way to fix it. Maybe this can be fixed rebuilding all Mach infrastructure. Can anyone confirm that?
Matheus Morais

On 11/30/05, ams@gnu.org <ams@gnu.org> wrote:
Sorry for the late response.

  Can anyone explain why that overhead happen in Mach?

The large overhead is mostly related to how the Hurd uses Mach.
Running a single-user server system gets you quite decent performance,
but we have a multi-sever design, where the number of context
switches, and IPC overhead is becomes far larger.

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