[erlang-questions] idea: service pack one
Thu Nov 15 16:44:22 CET 2007
"Juan Jose Comellas" <> writes:
> BTW, is the Erlang VM capable of expanding a binary without copying data if
> there is a contiguous block of memory available? If a feature like this one
> could be added, it would be possible to efficiently append data to a binary
> without resorting to using a list as an intermediate value. Another option
> could be to make the binaries preallocate memory.
In R12B, when you append to a binary the first time memory will be preallocated
so that the next append operation can be done without copying.
There will be a new chapter in the Efficiency Guide about binaries and the
Björn Gustavsson, Erlang/OTP, Ericsson AB
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