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From: Joel Reymont <joe...@gmail.com>
In-Reply-To: <1a8c7fff-d999-49ba-b34b-cfa9c1868...@c10g2000yqh.googlegroups.com>
Date: Thu, 7 Oct 2010 20:11:54 +0800
Cc: erlang-questi...@erlang.org
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Message-Id: <F7F41772-C1E0-4757-BFD0-B8757FEEE...@gmail.com>
References: <1a8c7fff-d999-49ba-b34b-cfa9c1868...@c10g2000yqh.googlegroups.com>
To: Zvi <zvi.avra...@gmail.com>
Subject: Re: [erlang-questions] What's the most efficient method to broadcast a message to multiple (100Ks) of processes?

h=
ttp://groups.google.com/group/erlang-programming/browse_thread/thread/1931=
368998000836/b325e869a3eea26a

Basically, raise priority to high around your sending loop and then get =
it back to normal right after.


On Oct 7, 2010, at 8:01 PM, Zvi wrote:

> Hi,
>=20
> what's the most efficient method to broadcast a message to multiple
> (100Ks) of processes?
>=20
> The most naive way is:
>=20
>   [ Pid ! Msg || Pid<-Pids ].
>=20
> less naive method:
>=20
>   [ spawn(fun() -> [Pid ! Msg || Pid<-PidsSublist] end) ||
> PidsSublist <- partition(Pids, N) ].
>=20
> where partition(L,N) splits list L into N sublists.
>=20
> Any ideas for better method?

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