Linux-kernel mailing list archive 1998-10,: Re: mmap() versus read()

# Re: mmap() versus read()

David S. Miller (davem@dm.cobaltmicro.com)
Mon, 9 Mar 1998 14:12:06 -0800

- Messages sorted by: [ date ][ thread ][ subject ][ author ]
- Next message: Chris Wedgwood: "Re: mmap() versus read()"
- Previous message: David S. Miller: "Re: mmap() versus read()"

Date: Mon, 9 Mar 1998 22:30:33 +0100 (CET)
From: MOLNAR Ingo <mingo@chiara.csoma.elte.hu>

On Mon, 9 Mar 1998, Perry Harrington wrote:

> I think everyone will
> agree that the current clone() method of creating threads is costly
> at best. [...]

uhm, ~20 usecs on a 200 MHz PPro, is that 'costly at best'?

And it was just under 29,000 instructions on the Ultra last time I
measured it with a cycle counter from userspace...

Later,
David S. Miller
davem@dm.cobaltmicro.com

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu

- Next message: Chris Wedgwood: "Re: mmap() versus read()"
- Previous message: David S. Miller: "Re: mmap() versus read()"