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- Subject: Re: LuaJIT roadmap 2008
- From: Jean-Claude Wippler <jcw@...>
- Date: Sat, 2 Feb 2008 00:17:26 +0100
On 1 Feb 2008, at 22:22, Mike Pall wrote:
If, on the other hand:
a) the loop you mention is re-written in Lua,
b) the variable r is a table, and
c) r.a is a plain table field lookup.
... then the compiler could probably optimize most of the
Yes, I figured that would be more effective. Well, I can't alter b)
and c), but I *could* switch to a Lua loop. Will report back once I
Rules of thumb: write all of it in Lua, use Lua tables
exclusively for data structures, avoid frequent upcalls from C to
Lua, avoid calling "black-box" C functions in tight loops.