YourWishes/jerryscript
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Removing pool bitmaps; optimizing search for free pool chunks. loop_arithmetics_1kk.js benchmark: 4.134s -> 3.479s.

Browse Source
This commit is contained in:
Ruben Ayrapetyan
2014-08-08 14:26:28 +04:00
parent b6d9ed42ec
commit 0194e63331
4 changed files with 103 additions and 159 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/liballocator/mem-poolman.c
+20 -21
View File
@@ -93,31 +93,30 @@ mem_get_chunk_size( mem_pool_chunk_type_t chunk_type) /**< chunk type */
void
mem_pools_init(void)
{
for ( uint32_t i = 0; i < MEM_POOL_CHUNK_TYPE__COUNT; i++ )
for ( uint32_t i = 0; i < MEM_POOL_CHUNK_TYPE__COUNT; i++ )
{
mem_pools[ i ] = NULL;
mem_free_chunks_number[ i ] = 0;
mem_pools[ i ] = NULL;
mem_free_chunks_number[ i ] = 0;
}
/**
* Space, at least for four pool headers and a bitmap entry.
*
* TODO: Research.
*/
size_t pool_space_size = mem_heap_recommend_allocation_size( 4 * sizeof (mem_pool_state_t) + sizeof (mword_t) );
/**
* Space, at least for four pool headers and a bitmap entry.
*
* TODO: Research.
*/
size_t pool_space_size = mem_heap_recommend_allocation_size( 4 * sizeof (mem_pool_state_t) );
mem_space_for_pool_for_pool_headers = mem_heap_alloc_block(pool_space_size,
MEM_HEAP_ALLOC_LONG_TERM);
mem_space_for_pool_for_pool_headers = mem_heap_alloc_block( pool_space_size, MEM_HEAP_ALLOC_LONG_TERM);
/*
* Get chunk type, checking that there is a type corresponding to specified size.
*/
const mem_pool_chunk_type_t chunk_type = mem_size_to_pool_chunk_type( sizeof(mem_pool_state_t));
mem_pool_init(&mem_pool_for_pool_headers,
mem_get_chunk_size( chunk_type),
mem_space_for_pool_for_pool_headers,
pool_space_size);
/*
* Get chunk type, checking that there is a type corresponding to specified size.
*/
const mem_pool_chunk_type_t chunk_type = mem_size_to_pool_chunk_type( sizeof(mem_pool_state_t));
mem_pool_init(&mem_pool_for_pool_headers,
mem_get_chunk_size( chunk_type),
mem_space_for_pool_for_pool_headers,
pool_space_size);
mem_pools_stat_init();
} /* mem_pools_init */
@@ -238,7 +237,7 @@ mem_pools_free(mem_pool_chunk_type_t chunk_type, /**< the chunk type */
/**
* Search for the pool containing specified chunk.
*/
while ( !( chunk_p >= pool_state->chunks_p
while ( !( chunk_p >= pool_state->pool_start_p
&& chunk_p <= pool_state->pool_start_p + pool_state->pool_size ) )
{
prev_pool_state = pool_state;