Re: Linux-Netbsd huge difference of speed, same hardware

To: netbsd-users%netbsd.org@localhost
Subject: Re: Linux-Netbsd huge difference of speed, same hardware
From: mlelstv%serpens.de@localhost (Michael van Elst)
Date: Wed, 4 Mar 2020 12:46:32 -0000 (UTC)

martin%duskware.de@localhost (Martin Husemann) writes:

>> Why the use of the raw device makes a difference.

>It avoids another level of buffering in the kernel.

The block device also uses tiny 2KB requests that are extra slow
for SD cards.

-- 
-- 
                                Michael van Elst
Internet: mlelstv%serpens.de@localhost
                                "A potential Snark may lurk in every tree."

References:
- Linux-Netbsd huge difference of speed, same hardware
  - From: Pierre Dupond
- Re: Linux-Netbsd huge difference of speed, same hardware
  - From: Martin Husemann
- Re: Linux-Netbsd huge difference of speed, same hardware
  - From: Pierre Dupond
- Re: Linux-Netbsd huge difference of speed, same hardware
  - From: Martin Husemann

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