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From: Russ Cox <rsc@swtch.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] jpg image too big
Date: Tue, 20 Oct 2009 08:16:52 -0700	[thread overview]
Message-ID: <dd6fe68a0910200816n15ec025at7cacf535fc00d21@mail.gmail.com> (raw)
In-Reply-To: <4f5089ba690c19712cae55f5c4b960d0@ladd.quanstro.net>

> good point.  can we just make i/o unit anything we wish?

no, because it affects the size of buffer
that gets allocated to hold 9p messages.
the kernel is free to limit the iounit too.

> in looking at the code, it might be a lot more efficent
> for loadimage to count pixels rather than lines (being
> careful with the slop at the end, of course).  the
> slop is Dy(r)-1 pixels, which is considerable for a
> camera shot.
>
> maybe it's not worth the pain?

it's not.  fix iounit.


  reply	other threads:[~2009-10-20 15:16 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <<dd6fe68a0910200755nb397fc5jaef44a12fa3ad049@mail.gmail.com>
2009-10-20 15:04 ` erik quanstrom
2009-10-20 15:16   ` Russ Cox [this message]
     [not found] <<dd6fe68a0910200700g6e876655o53bb23274f335b11@mail.gmail.com>
2009-10-20 14:14 ` erik quanstrom
2009-10-20 14:55   ` Russ Cox
2009-10-20 12:04 erik quanstrom
2009-10-20 14:00 ` Russ Cox

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