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Minor performance tweak for deque.index() with a start argument #9440

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Merged
merged 4 commits into from
Sep 21, 2018
Merged

Minor performance tweak for deque.index() with a start argument #9440

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5534543
Initially, bound one block at a time
rhettinger Sep 20, 2018
d62453c
Fix indentation
rhettinger Sep 20, 2018
6b7e13e
Add spaces as requested
rhettinger Sep 21, 2018
f3322aa
Expand test to cover different starting offsets
rhettinger Sep 21, 2018
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Add spaces as requested
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@rhettinger
rhettinger committed Sep 21, 2018
commit 6b7e13eadda1c67d77c709978ec7e67c3764a96c
4 changes: 2 additions & 2 deletions Modules/_collectionsmodule.c
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Expand Up @@ -1050,10 +1050,10 @@ deque_index(dequeobject *deque, PyObject *const *args, Py_ssize_t nargs)
start = stop;
assert(0 <= start && start <= stop && stop <= Py_SIZE(deque));

for (i=0 ; i<start-BLOCKLEN ; i+=BLOCKLEN) {
for (i=0 ; i < start - BLOCKLEN ; i += BLOCKLEN) {
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PEP 7 requires spaces around = and no spaces before ;.

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Please use your talents to focus on something relevant. Over-aggressive interpretations of PEP 7 are waste of time.

b = b->rightlink;
}
for ( ; i<start ; i++) {
for ( ; i < start ; i++) {
index++;
if (index == BLOCKLEN) {
b = b->rightlink;
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