Minimising memory allocation

[David Lam <dlam@...>]

Basically I want to minimise the amount of temporary memory being allocated,
so that I can reduce the frequency GC is called (and maybe reduce the hit of
each GC?). Can anyone give some hints on this topic? 

For instance, if I have local variables declared inside function A, will the
local variables allocate memory each time A is called?

David
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