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Compacting pool header to 8 bytes. Replaced typed pool chunks with fixed-size untyped ones. loop_arithmetics_1kk.js benchmark: 2.98517 -> 2.9443.

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This commit is contained in:
Ruben Ayrapetyan
2014-08-08 23:11:02 +04:00
parent 49a809d56f
commit 7b04e9eaeb
14 changed files with 322 additions and 397 deletions
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src/liballocator/mem-poolman.h
+12 -36
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@@ -29,34 +29,10 @@
#include "globals.h"
/**
* Pool chunks's possible sizes
*/
typedef enum {
MEM_POOL_CHUNK_TYPE_4, /**< 4-byte chunk */
MEM_POOL_CHUNK_TYPE_8, /**< 8-byte chunk */
MEM_POOL_CHUNK_TYPE_16, /**< 16-byte chunk */
MEM_POOL_CHUNK_TYPE_32, /**< 32-byte chunk */
MEM_POOL_CHUNK_TYPE_64, /**< 64-byte chunk */
MEM_POOL_CHUNK_TYPE__COUNT /**< count of possible pool chunks' sizes */
} mem_pool_chunk_type_t;
/**
* Convert size to pool chunk type.
*/
#define mem_size_to_pool_chunk_type( size) ((size) == 4 ? MEM_POOL_CHUNK_TYPE_4 : \
((size) == 8 ? MEM_POOL_CHUNK_TYPE_8 : \
((size) == 16 ? MEM_POOL_CHUNK_TYPE_16 : \
((size) == 32 ? MEM_POOL_CHUNK_TYPE_32 : \
((size) == 64 ? MEM_POOL_CHUNK_TYPE_64 : \
jerry_unreferenced_expression)))))
extern size_t mem_get_chunk_size( mem_pool_chunk_type_t chunk_type);
extern void mem_pools_init(void);
extern void mem_pools_finalize(void);
extern uint8_t* mem_pools_alloc(mem_pool_chunk_type_t chunk_type);
extern void mem_pools_free(mem_pool_chunk_type_t chunk_type, uint8_t *chunk_p);
extern uint8_t* mem_pools_alloc(void);
extern void mem_pools_free(uint8_t *chunk_p);
#ifdef MEM_STATS
/**
@@ -64,20 +40,20 @@ extern void mem_pools_free(mem_pool_chunk_type_t chunk_type, uint8_t *chunk_p);
*/
typedef struct
{
/** pools' count, per type */
size_t pools_count[ MEM_POOL_CHUNK_TYPE__COUNT ];
/** pools' count */
size_t pools_count;
/** peak pools' count, per type */
size_t peak_pools_count[ MEM_POOL_CHUNK_TYPE__COUNT ];
/** peak pools' count */
size_t peak_pools_count;
/** allocated chunks count, per type */
size_t allocated_chunks[ MEM_POOL_CHUNK_TYPE__COUNT ];
/** allocated chunks count */
size_t allocated_chunks;
/** peak allocated chunks count, per type */
size_t peak_allocated_chunks[ MEM_POOL_CHUNK_TYPE__COUNT ];
/** peak allocated chunks count */
size_t peak_allocated_chunks;
/** free chunks count, per type */
size_t free_chunks[ MEM_POOL_CHUNK_TYPE__COUNT ];
/** free chunks count */
size_t free_chunks;
} mem_pools_stats_t;
extern void mem_pools_get_stats( mem_pools_stats_t *out_pools_stats_p);