On Mon, Nov 03, 2008 at 12:34:47AM +0100, Ivan Voras wrote:
> > It looks like it's probably worth pushing the limit up to 8 MB when we
> > have lots of memory :)
>
> Yes, it's an improvement, but who will ever notice? :)
Is even the improvement from 64KB to 1MB even measurable? I mean on
anything
On Mon, 3 Nov 2008 18:58:18 +1100, Peter Jeremy <[EMAIL PROTECTED]> wrote:
> On 2008-Nov-03 00:34:47 +0100, Ivan Voras <[EMAIL PROTECTED]> wrote:
>>2008/10/31 Giorgos Keramidas <[EMAIL PROTECTED]>:
>>The difference between the best and the worst is 247 context switches
>>(total, not per second).
>>
On 2008-Nov-03 00:34:47 +0100, Ivan Voras <[EMAIL PROTECTED]> wrote:
>2008/10/31 Giorgos Keramidas <[EMAIL PROTECTED]>:
>The difference between the best and the worst is 247 context switches
>(total, not per second).
>
>> It looks like it's probably worth pushing the limit up to 8 MB when we
>> hav
2008/11/2 Ulrich Spoerlein <[EMAIL PROTECTED]>:
> On Thu, 30.10.2008 at 14:05:58 +, Ivan Voras wrote:
>> Author: ivoras
>> Date: Thu Oct 30 14:05:57 2008
>> New Revision: 184471
>> URL: http://svn.freebsd.org/changeset/base/184471
>>
>> Log:
>> Teach cat(1) and cp(1) to use a larger buffer if
2008/10/31 Giorgos Keramidas <[EMAIL PROTECTED]>:
> Nice :)
>
> I didn't notice this in -hackers, but it may be worth letting the buffer
> size grow above 1 MB when we have more than, say, 512 MB of memory. By
> running dd(1) with buffer sizes of 1, 2, 4, 6, 8, 10, 12, 14, and 16 MB
> there are l
On Thu, 30.10.2008 at 14:05:58 +, Ivan Voras wrote:
> Author: ivoras
> Date: Thu Oct 30 14:05:57 2008
> New Revision: 184471
> URL: http://svn.freebsd.org/changeset/base/184471
>
> Log:
> Teach cat(1) and cp(1) to use a larger buffer if enough memory is present
> in the system. A simple he
On Thu, 30 Oct 2008 14:05:58 + (UTC), Ivan Voras <[EMAIL PROTECTED]> wrote:
> Author: ivoras
> Date: Thu Oct 30 14:05:57 2008
> New Revision: 184471
> URL: http://svn.freebsd.org/changeset/base/184471
>
> Log:
> Teach cat(1) and cp(1) to use a larger buffer if enough memory is present
> in
Author: ivoras
Date: Thu Oct 30 14:05:57 2008
New Revision: 184471
URL: http://svn.freebsd.org/changeset/base/184471
Log:
Teach cat(1) and cp(1) to use a larger buffer if enough memory is present
in the system. A simple heuristics is used to detect what is "enough"
memory: if number of physm
