lkml.org 
[lkml]   [2005]   [May]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: /proc/cpuinfo format - arch dependent!
Chris Friesen wrote:
> Bill Davidsen wrote:
>
>> Might I suggest that if you like the "we know best just trust us"
>> approach, there is another OS to use. Making information available to
>> good applications will improve system performance, or at least allow
>> better limitation of requests for resources
>
>
> What will you do with the information? The kernel is doing all the
> resource allocation and scheduling.
>
> From a higher-level, the application wants the best performance.
> Doesn't it make more sense to have an API that lets you query things
> like: how many cores do I have, how many separate memory interfaces do I
> have, how many cores handle interrupts, etc.
>
> Based on that information you tell the system: "I've got 4 processes,
> please put them all on cores with separate memory connectivity since
> they're all memory-intensive. Now please put these other two threads on
> the same cpu since they share memory but serialize each other by design."

Unless you actually have such a feature, saying "let's not make what we
have useful because we could have something better someday" seems to be
a needless sacrifice of electrons.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-05-10 18:24    [W:0.068 / U:0.196 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site