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From: Bill Zissimopoulos <billziss@navimatics.com>
To: "cygwin@cygwin.com" <cygwin@cygwin.com>
Subject: Re: FUSE for Cygwin
Date: Sun, 19 Jun 2016 20:32:00 -0000	[thread overview]
Message-ID: <D38C3759.9411%billziss@navimatics.com> (raw)
In-Reply-To: <57667FEF.5070801@gmx.de>

On 6/19/16, 4:20 AM, "cygwin-owner@cygwin.com on behalf of Herbert
Stocker" <cygwin-owner@cygwin.com on behalf of hersto@gmx.de> wrote:


>What i don't like on (3) is that when a Cygwin process accesses the
>FUSE file system there are two Cygwin processes whose communication
>is translated from Posix to Win32 and then back (which is done again
>for the response).
[snip]
>A) Besides the double double translations of every request, there
>    is also the need for four Kernel/Usermode transitions, which take
>    their time.

By the way Herbert in re-reading your email, you may *not* have meant to
say that in the current WinFsp/FUSE scheme there are 4 *context switches*
(instead of 2), in which case my apologies for trying to explain something
you already were aware of.


Bill


  parent reply	other threads:[~2016-06-19 18:53 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-18  8:02 Bill Zissimopoulos
2016-06-19 18:53 ` Herbert Stocker
2016-06-19 19:30   ` Bill Zissimopoulos
2016-06-20  0:29     ` Herbert Stocker
2016-06-22 21:01       ` Bill Zissimopoulos
2016-06-22 21:21         ` Jeffrey Altman
2016-06-22 23:11           ` Bill Zissimopoulos
2016-06-19 20:32   ` Bill Zissimopoulos [this message]
  -- strict thread matches above, loose matches on Subject: below --
2016-06-17  8:42 FUSE for Cygwin - was: Re: Fork and Windows Heap Bill Zissimopoulos
2016-06-17 18:55 ` FUSE for Cygwin Herbert Stocker

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