diff options
Diffstat (limited to 'ewah')
-rw-r--r-- | ewah/bitmap.c | 44 | ||||
-rw-r--r-- | ewah/ewah_bitmap.c | 32 | ||||
-rw-r--r-- | ewah/ewah_io.c | 12 | ||||
-rw-r--r-- | ewah/ewok.h | 12 |
4 files changed, 35 insertions, 65 deletions
diff --git a/ewah/bitmap.c b/ewah/bitmap.c index 710e58c1bf..7103ceefbf 100644 --- a/ewah/bitmap.c +++ b/ewah/bitmap.c @@ -17,50 +17,48 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ -#include "git-compat-util.h" +#include "cache.h" #include "ewok.h" -#define MASK(x) ((eword_t)1 << (x % BITS_IN_WORD)) -#define BLOCK(x) (x / BITS_IN_WORD) +#define EWAH_MASK(x) ((eword_t)1 << (x % BITS_IN_EWORD)) +#define EWAH_BLOCK(x) (x / BITS_IN_EWORD) struct bitmap *bitmap_new(void) { - struct bitmap *bitmap = ewah_malloc(sizeof(struct bitmap)); - bitmap->words = ewah_calloc(32, sizeof(eword_t)); + struct bitmap *bitmap = xmalloc(sizeof(struct bitmap)); + bitmap->words = xcalloc(32, sizeof(eword_t)); bitmap->word_alloc = 32; return bitmap; } void bitmap_set(struct bitmap *self, size_t pos) { - size_t block = BLOCK(pos); + size_t block = EWAH_BLOCK(pos); if (block >= self->word_alloc) { size_t old_size = self->word_alloc; self->word_alloc = block * 2; - self->words = ewah_realloc(self->words, - self->word_alloc * sizeof(eword_t)); - + REALLOC_ARRAY(self->words, self->word_alloc); memset(self->words + old_size, 0x0, (self->word_alloc - old_size) * sizeof(eword_t)); } - self->words[block] |= MASK(pos); + self->words[block] |= EWAH_MASK(pos); } void bitmap_clear(struct bitmap *self, size_t pos) { - size_t block = BLOCK(pos); + size_t block = EWAH_BLOCK(pos); if (block < self->word_alloc) - self->words[block] &= ~MASK(pos); + self->words[block] &= ~EWAH_MASK(pos); } int bitmap_get(struct bitmap *self, size_t pos) { - size_t block = BLOCK(pos); + size_t block = EWAH_BLOCK(pos); return block < self->word_alloc && - (self->words[block] & MASK(pos)) != 0; + (self->words[block] & EWAH_MASK(pos)) != 0; } struct ewah_bitmap *bitmap_to_ewah(struct bitmap *bitmap) @@ -100,12 +98,7 @@ struct bitmap *ewah_to_bitmap(struct ewah_bitmap *ewah) ewah_iterator_init(&it, ewah); while (ewah_iterator_next(&blowup, &it)) { - if (i >= bitmap->word_alloc) { - bitmap->word_alloc *= 1.5; - bitmap->words = ewah_realloc( - bitmap->words, bitmap->word_alloc * sizeof(eword_t)); - } - + ALLOC_GROW(bitmap->words, i + 1, bitmap->word_alloc); bitmap->words[i++] = blowup; } @@ -127,15 +120,14 @@ void bitmap_and_not(struct bitmap *self, struct bitmap *other) void bitmap_or_ewah(struct bitmap *self, struct ewah_bitmap *other) { size_t original_size = self->word_alloc; - size_t other_final = (other->bit_size / BITS_IN_WORD) + 1; + size_t other_final = (other->bit_size / BITS_IN_EWORD) + 1; size_t i = 0; struct ewah_iterator it; eword_t word; if (self->word_alloc < other_final) { self->word_alloc = other_final; - self->words = ewah_realloc(self->words, - self->word_alloc * sizeof(eword_t)); + REALLOC_ARRAY(self->words, self->word_alloc); memset(self->words + original_size, 0x0, (self->word_alloc - original_size) * sizeof(eword_t)); } @@ -155,17 +147,17 @@ void bitmap_each_bit(struct bitmap *self, ewah_callback callback, void *data) uint32_t offset; if (word == (eword_t)~0) { - for (offset = 0; offset < BITS_IN_WORD; ++offset) + for (offset = 0; offset < BITS_IN_EWORD; ++offset) callback(pos++, data); } else { - for (offset = 0; offset < BITS_IN_WORD; ++offset) { + for (offset = 0; offset < BITS_IN_EWORD; ++offset) { if ((word >> offset) == 0) break; offset += ewah_bit_ctz64(word >> offset); callback(pos + offset, data); } - pos += BITS_IN_WORD; + pos += BITS_IN_EWORD; } } } diff --git a/ewah/ewah_bitmap.c b/ewah/ewah_bitmap.c index fccb42b52c..2dc9c82ecf 100644 --- a/ewah/ewah_bitmap.c +++ b/ewah/ewah_bitmap.c @@ -39,8 +39,7 @@ static inline void buffer_grow(struct ewah_bitmap *self, size_t new_size) return; self->alloc_size = new_size; - self->buffer = ewah_realloc(self->buffer, - self->alloc_size * sizeof(eword_t)); + REALLOC_ARRAY(self->buffer, self->alloc_size); self->rlw = self->buffer + (rlw_offset / sizeof(eword_t)); } @@ -102,7 +101,7 @@ size_t ewah_add_empty_words(struct ewah_bitmap *self, int v, size_t number) if (number == 0) return 0; - self->bit_size += number * BITS_IN_WORD; + self->bit_size += number * BITS_IN_EWORD; return add_empty_words(self, v, number); } @@ -152,7 +151,7 @@ void ewah_add_dirty_words( self->buffer_size += can_add; } - self->bit_size += can_add * BITS_IN_WORD; + self->bit_size += can_add * BITS_IN_EWORD; if (number - can_add == 0) break; @@ -197,7 +196,7 @@ static size_t add_empty_word(struct ewah_bitmap *self, int v) size_t ewah_add(struct ewah_bitmap *self, eword_t word) { - self->bit_size += BITS_IN_WORD; + self->bit_size += BITS_IN_EWORD; if (word == 0) return add_empty_word(self, 0); @@ -211,8 +210,8 @@ size_t ewah_add(struct ewah_bitmap *self, eword_t word) void ewah_set(struct ewah_bitmap *self, size_t i) { const size_t dist = - (i + BITS_IN_WORD) / BITS_IN_WORD - - (self->bit_size + BITS_IN_WORD - 1) / BITS_IN_WORD; + (i + BITS_IN_EWORD) / BITS_IN_EWORD - + (self->bit_size + BITS_IN_EWORD - 1) / BITS_IN_EWORD; assert(i >= self->bit_size); @@ -222,19 +221,19 @@ void ewah_set(struct ewah_bitmap *self, size_t i) if (dist > 1) add_empty_words(self, 0, dist - 1); - add_literal(self, (eword_t)1 << (i % BITS_IN_WORD)); + add_literal(self, (eword_t)1 << (i % BITS_IN_EWORD)); return; } if (rlw_get_literal_words(self->rlw) == 0) { rlw_set_running_len(self->rlw, rlw_get_running_len(self->rlw) - 1); - add_literal(self, (eword_t)1 << (i % BITS_IN_WORD)); + add_literal(self, (eword_t)1 << (i % BITS_IN_EWORD)); return; } self->buffer[self->buffer_size - 1] |= - ((eword_t)1 << (i % BITS_IN_WORD)); + ((eword_t)1 << (i % BITS_IN_EWORD)); /* check if we just completed a stream of 1s */ if (self->buffer[self->buffer_size - 1] == (eword_t)(~0)) { @@ -255,11 +254,11 @@ void ewah_each_bit(struct ewah_bitmap *self, void (*callback)(size_t, void*), vo eword_t *word = &self->buffer[pointer]; if (rlw_get_run_bit(word)) { - size_t len = rlw_get_running_len(word) * BITS_IN_WORD; + size_t len = rlw_get_running_len(word) * BITS_IN_EWORD; for (k = 0; k < len; ++k, ++pos) callback(pos, payload); } else { - pos += rlw_get_running_len(word) * BITS_IN_WORD; + pos += rlw_get_running_len(word) * BITS_IN_EWORD; } ++pointer; @@ -268,7 +267,7 @@ void ewah_each_bit(struct ewah_bitmap *self, void (*callback)(size_t, void*), vo int c; /* todo: zero count optimization */ - for (c = 0; c < BITS_IN_WORD; ++c, ++pos) { + for (c = 0; c < BITS_IN_EWORD; ++c, ++pos) { if ((self->buffer[pointer] & ((eword_t)1 << c)) != 0) callback(pos, payload); } @@ -282,12 +281,9 @@ struct ewah_bitmap *ewah_new(void) { struct ewah_bitmap *self; - self = ewah_malloc(sizeof(struct ewah_bitmap)); - if (self == NULL) - return NULL; - - self->buffer = ewah_malloc(32 * sizeof(eword_t)); + self = xmalloc(sizeof(struct ewah_bitmap)); self->alloc_size = 32; + ALLOC_ARRAY(self->buffer, self->alloc_size); ewah_clear(self); return self; diff --git a/ewah/ewah_io.c b/ewah/ewah_io.c index 43481b9c60..61f6a43579 100644 --- a/ewah/ewah_io.c +++ b/ewah/ewah_io.c @@ -134,11 +134,7 @@ int ewah_read_mmap(struct ewah_bitmap *self, const void *map, size_t len) self->buffer_size = self->alloc_size = get_be32(ptr); ptr += sizeof(uint32_t); - self->buffer = ewah_realloc(self->buffer, - self->alloc_size * sizeof(eword_t)); - - if (!self->buffer) - return -1; + REALLOC_ARRAY(self->buffer, self->alloc_size); /* * Copy the raw data for the bitmap as a whole chunk; @@ -180,11 +176,7 @@ int ewah_deserialize(struct ewah_bitmap *self, int fd) return -1; self->buffer_size = self->alloc_size = (size_t)ntohl(word_count); - self->buffer = ewah_realloc(self->buffer, - self->alloc_size * sizeof(eword_t)); - - if (!self->buffer) - return -1; + REALLOC_ARRAY(self->buffer, self->alloc_size); /** 64 bit x N -- compressed words */ buffer = self->buffer; diff --git a/ewah/ewok.h b/ewah/ewok.h index e732525367..269a1a8706 100644 --- a/ewah/ewok.h +++ b/ewah/ewok.h @@ -20,19 +20,9 @@ #ifndef __EWOK_BITMAP_H__ #define __EWOK_BITMAP_H__ -#ifndef ewah_malloc -# define ewah_malloc xmalloc -#endif -#ifndef ewah_realloc -# define ewah_realloc xrealloc -#endif -#ifndef ewah_calloc -# define ewah_calloc xcalloc -#endif - struct strbuf; typedef uint64_t eword_t; -#define BITS_IN_WORD (sizeof(eword_t) * 8) +#define BITS_IN_EWORD (sizeof(eword_t) * 8) /** * Do not use __builtin_popcountll. The GCC implementation |