Re: Speed of memcpy, csum_partial and csum_partial_copy

Alan Cox (alan@lxorguk.ukuu.org.uk)
Mon, 10 Jun 1996 22:11:17 +0100 (BST)

> The current unix sockets eat more than 40 % of the memory throughput.
> I got about 90 % of the bandwitch with the old unix sockets and
> 16K+16K buffer for each client.

I don't yet know why, but I agree with the findings.

> However it seems to me that the current unix socket should be improved
> in order to make available for local X11 applications more than 80 %
> of the memory speed.

It ought to be the cost of two memcpys and almost nothing else.

Alan