[Hackage] #447: do parallel builds
Curt Sampson
cjs at starling-software.com
Tue Jan 13 10:09:02 EST 2009
On 2009-01-10 16:01 -0000 (Sat), dunacn wrote:
> Also downloads seem to be serialised, again because there is probably
> little benefit to making multiple connections to the same server.
You evidently don't live in Japan. :-)
On high-bandwidth, high-latency links (e.g., Tokyo to a server in
NYC, which has well over 200 ms latency just due to the distance) TCP
doesn't work so well unless both sides are very well tuned for high
bandwidth-latency products. I'm generally on a 100 Mbps fibre connection
in Tokyo (it's the standard home or small office connection here), and
parallel downloads are a very happy thing; in some circumstances I can
run a dozen downloads in parallel, without any individual one being
slower than it would be running alone.
cjs
--
Curt Sampson <cjs at starling-software.com> +81 90 7737 2974
Functional programming in all senses of the word:
http://www.starling-software.com
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