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c2db984b
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2011-07-09T13:27:08
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tsort: Remove unused CLZ methods
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ae2e4c6a
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2011-07-09T08:41:02
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win32: replace usage of _MSV_VER with _MSC_VER
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d4cb0ee8
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2011-07-07T18:14:53
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tsort: remove unused but set variable
Signed-off-by: schu <schu-github@schulog.org>
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417a581d
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2011-07-07T13:38:47
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tsort: fix wrong header inclusion
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bdcc4611
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2011-07-07T10:11:00
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Fix MSVC compilation warnings
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de18f276
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2011-07-07T01:46:20
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vector: Timsort all of the things
Drop the GLibc implementation of Merge Sort and replace it with Timsort.
The algorithm has been tuned to work on arrays of pointers (void **),
so there's no longer a need to abstract the byte-width of each element
in the array.
All the comparison callbacks now take pointers-to-elements, not
pointers-to-pointers, so there's now one less level of dereferencing.
E.g.
int index_cmp(const void *a, const void *b)
{
- const git_index_entry *entry_a = *(const git_index_entry **)(a);
+ const git_index_entry *entry_a = (const git_index_entry *)(a);
The result is up to a 40% speed-up when sorting vectors. Memory usage
remains lineal.
A new `bsearch` implementation has been added, whose callback also
supplies pointer-to-elements, to uniform the Vector API again.
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