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optim in a bottleneck in Vec

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This commit is contained in:
Simon Cruanes 2016-07-29 22:50:26 +02:00
parent 5fdffe1f85
commit c70c102de9
1 changed files with 7 additions and 3 deletions
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10
src/util/vec.ml
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@ -59,9 +59,13 @@ let is_empty t = t.sz = 0
let grow_to t new_capa = let grow_to t new_capa =
assert (new_capa >= Array.length t.data); assert (new_capa >= Array.length t.data);
let data = t.data in let new_data = Array.make new_capa t.dummy in
let capa = Array.length data in assert (t.sz <= new_capa);
t.data <- Array.init new_capa (fun i -> if i < capa then data.(i) else t.dummy) let old = t.data in
for i = 0 to t.sz - 1 do
Array.unsafe_set new_data i (Array.unsafe_get old i)
done;
t.data <- new_data
let grow_to_double_size t = let grow_to_double_size t =
if Array.length t.data = Sys.max_array_length then _size_too_big(); if Array.length t.data = Sys.max_array_length then _size_too_big();