mirror of
https://github.com/fluencelabs/redis
synced 2025-06-26 15:31:33 +00:00
Jemalloc upgraded to version 5.0.1.
This commit is contained in:
99
deps/jemalloc/src/bitmap.c
vendored
99
deps/jemalloc/src/bitmap.c
vendored
@ -1,11 +1,15 @@
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#define JEMALLOC_BITMAP_C_
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#include "jemalloc/internal/jemalloc_internal.h"
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#define JEMALLOC_BITMAP_C_
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#include "jemalloc/internal/jemalloc_preamble.h"
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#include "jemalloc/internal/jemalloc_internal_includes.h"
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#include "jemalloc/internal/assert.h"
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/******************************************************************************/
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#ifdef BITMAP_USE_TREE
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void
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bitmap_info_init(bitmap_info_t *binfo, size_t nbits)
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{
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bitmap_info_init(bitmap_info_t *binfo, size_t nbits) {
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unsigned i;
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size_t group_count;
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@ -32,47 +36,86 @@ bitmap_info_init(bitmap_info_t *binfo, size_t nbits)
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binfo->nbits = nbits;
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}
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size_t
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bitmap_info_ngroups(const bitmap_info_t *binfo)
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{
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return (binfo->levels[binfo->nlevels].group_offset << LG_SIZEOF_BITMAP);
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}
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size_t
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bitmap_size(size_t nbits)
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{
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bitmap_info_t binfo;
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bitmap_info_init(&binfo, nbits);
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return (bitmap_info_ngroups(&binfo));
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static size_t
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bitmap_info_ngroups(const bitmap_info_t *binfo) {
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return binfo->levels[binfo->nlevels].group_offset;
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}
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void
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bitmap_init(bitmap_t *bitmap, const bitmap_info_t *binfo)
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{
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bitmap_init(bitmap_t *bitmap, const bitmap_info_t *binfo, bool fill) {
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size_t extra;
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unsigned i;
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/*
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* Bits are actually inverted with regard to the external bitmap
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* interface, so the bitmap starts out with all 1 bits, except for
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* trailing unused bits (if any). Note that each group uses bit 0 to
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* correspond to the first logical bit in the group, so extra bits
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* are the most significant bits of the last group.
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* interface.
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*/
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memset(bitmap, 0xffU, binfo->levels[binfo->nlevels].group_offset <<
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LG_SIZEOF_BITMAP);
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if (fill) {
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/* The "filled" bitmap starts out with all 0 bits. */
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memset(bitmap, 0, bitmap_size(binfo));
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return;
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}
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/*
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* The "empty" bitmap starts out with all 1 bits, except for trailing
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* unused bits (if any). Note that each group uses bit 0 to correspond
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* to the first logical bit in the group, so extra bits are the most
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* significant bits of the last group.
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*/
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memset(bitmap, 0xffU, bitmap_size(binfo));
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extra = (BITMAP_GROUP_NBITS - (binfo->nbits & BITMAP_GROUP_NBITS_MASK))
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& BITMAP_GROUP_NBITS_MASK;
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if (extra != 0)
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if (extra != 0) {
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bitmap[binfo->levels[1].group_offset - 1] >>= extra;
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}
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for (i = 1; i < binfo->nlevels; i++) {
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size_t group_count = binfo->levels[i].group_offset -
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binfo->levels[i-1].group_offset;
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extra = (BITMAP_GROUP_NBITS - (group_count &
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BITMAP_GROUP_NBITS_MASK)) & BITMAP_GROUP_NBITS_MASK;
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if (extra != 0)
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if (extra != 0) {
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bitmap[binfo->levels[i+1].group_offset - 1] >>= extra;
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}
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}
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}
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#else /* BITMAP_USE_TREE */
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void
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bitmap_info_init(bitmap_info_t *binfo, size_t nbits) {
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assert(nbits > 0);
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assert(nbits <= (ZU(1) << LG_BITMAP_MAXBITS));
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binfo->ngroups = BITMAP_BITS2GROUPS(nbits);
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binfo->nbits = nbits;
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}
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static size_t
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bitmap_info_ngroups(const bitmap_info_t *binfo) {
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return binfo->ngroups;
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}
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void
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bitmap_init(bitmap_t *bitmap, const bitmap_info_t *binfo, bool fill) {
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size_t extra;
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if (fill) {
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memset(bitmap, 0, bitmap_size(binfo));
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return;
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}
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memset(bitmap, 0xffU, bitmap_size(binfo));
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extra = (BITMAP_GROUP_NBITS - (binfo->nbits & BITMAP_GROUP_NBITS_MASK))
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& BITMAP_GROUP_NBITS_MASK;
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if (extra != 0) {
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bitmap[binfo->ngroups - 1] >>= extra;
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}
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}
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#endif /* BITMAP_USE_TREE */
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size_t
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bitmap_size(const bitmap_info_t *binfo) {
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return (bitmap_info_ngroups(binfo) << LG_SIZEOF_BITMAP);
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}
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