From: Egor Nogdor <denblomstertid@gmail.com>
To: linux-fbdev@vger.kernel.org
Subject: Beginner question about fbdev performance
Date: Mon, 08 Mar 2010 00:16:20 +0000 [thread overview]
Message-ID: <85f9cb1d1003071616w52392c0dq828f99b20c597ef3@mail.gmail.com> (raw)
Hi,
Why is it that the unaccelerated framebuffer device is slower than
e.g. an accelerated X session when blitting data from main memory?
Shouldn't both cases involve simply copying data from RAM to VRAM?
What is the bottleneck in the former case?
Thanks,
Anders
next reply other threads:[~2010-03-08 0:16 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-08 0:16 Egor Nogdor [this message]
2010-03-10 17:12 ` Beginner question about fbdev performance James Simmons
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