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Merge branch 'nd/pack-objects-pack-struct'

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"git pack-objects" needs to allocate tons of "struct object_entry"
while doing its work, and shrinking its size helps the performance
quite a bit.

* nd/pack-objects-pack-struct:
  ci: exercise the whole test suite with uncommon code in pack-objects
  pack-objects: reorder members to shrink struct object_entry
  pack-objects: shrink delta_size field in struct object_entry
  pack-objects: shrink size field in struct object_entry
  pack-objects: clarify the use of object_entry::size
  pack-objects: don't check size when the object is bad
  pack-objects: shrink z_delta_size field in struct object_entry
  pack-objects: refer to delta objects by index instead of pointer
  pack-objects: move in_pack out of struct object_entry
  pack-objects: move in_pack_pos out of struct object_entry
  pack-objects: use bitfield for object_entry::depth
  pack-objects: use bitfield for object_entry::dfs_state
  pack-objects: turn type and in_pack_type to bitfields
  pack-objects: a bit of document about struct object_entry
  read-cache.c: make $GIT_TEST_SPLIT_INDEX boolean
This commit is contained in:
Junio C Hamano
2018-05-23 14:38:19 +09:00
parent c67de747f4 f6a5576d52
commit ad635e82d6
16 changed files with 656 additions and 167 deletions
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2
cache.h
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@ -373,6 +373,8 @@ extern void free_name_hash(struct index_state *istate);
#define read_blob_data_from_cache(path, sz) read_blob_data_from_index(&the_index, (path), (sz))
#endif
#define TYPE_BITS 3
/*
* Values in this enum (except those outside the 3 bit range) are part
* of pack file format. See Documentation/technical/pack-format.txt