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From: | Paul Vixie |
Subject: | Re: [Nmh-workers] Limit of 27 messages sequences per folder |
Date: | Wed, 27 Mar 2013 15:03:02 -0700 |
User-agent: | Postbox 3.0.7 (Windows/20130120) |
because it will grow the
heap on any moderate sized message set, like "all" in a 10000-message
inbox? we pay this cost per-message whenever we're processing a range. fd_set is too large a fixed cost. the pdp11 users who chose "int" for this were trying to do things in a minimalistic way. re: Michael Richardson wrote: "Paul" == Paul Vixie <address@hidden> writes:Paul> we could replace this with a fixed array of u_char and some Paul> index-and-shift macros, sort of like "struct fd_set" in Paul> select(2). in Can anyone think of a reason why using fd_set isn't just the right thing? It is 1024 bits on most systems (256 on others), and a #define usually lets it get bigger. |
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