Messages in this thread | | | Date | Fri, 17 Dec 2004 08:54:16 -0800 | From | Hans Reiser <> | Subject | Re: file as a directory |
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David Masover wrote:
> Hans Reiser wrote: > | David Masover wrote: > | > |> > |> > |> Speaking of which, how much speed is lost by starting up a process? > |> > |> The idea of caching is that running > |> > |> cat *; cat *; cat *; cat *; cat * > |> > |> is probably slower than > |> > |> cat * > baz; cat baz; cat baz; cat baz; cat baz; cat baz > | > | > | Only for small files where the per file overhead of a read is > significant. > > That's potentially a common problem, and "cat *" is an overly-simplified > example. Either you force the "plugin" to say whether it wants to be > cached or not, or you cache everything, because there are going to be > plugins like "tar -xjp" for which caching is a HUGE increase.
Ok, I accept the argument. - 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/
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