Function testAllocatorMemoryPool

src/common/classes/misc/class_perf.cpp:203–240

}

static void testAllocatorMemoryPool()
{
	printf("Test run for Firebird::MemoryPool...\n");
	start();
	Firebird::MemoryPool* pool = Firebird::MemoryPool::createPool();
	MallocAllocator allocator;
	BePlusTree<AllocItem, AllocItem, MallocAllocator, DefaultKeyValue<AllocItem>, AllocItem> items(&allocator),
		bigItems(&allocator);
	// Allocate small items
	int i, n = 0;
	for (i = 0; i < ALLOC_ITEMS; i++) {
		n = n * 47163 - 57412;
		AllocItem temp = {n, pool->allocate((n % MAX_ITEM_SIZE + MAX_ITEM_SIZE) / 2 + 1)};
		items.add(temp);
	}
	// Deallocate half of small items
	n = 0;
	if (items.getFirst()) do {
		pool->deallocate(items.current().item);
		n++;
	} while (n < ALLOC_ITEMS / 2 && items.getNext());
	// Allocate big items
	for (i = 0; i < BIG_ITEMS; i++) {
		n = n * 47163 - 57412;
		AllocItem temp = {n, pool->allocate((n % BIG_SIZE + BIG_SIZE) / 2 + 1)};
		bigItems.add(temp);
	}
	// Deallocate the rest of small items
	while (items.getNext()) {
		pool->deallocate(items.current().item);
	}
	// Deallocate big items
	if (bigItems.getFirst()) do {
		pool->deallocate(bigItems.current().item);
	} while (bigItems.getNext());
	Firebird::MemoryPool::deletePool(pool);
	report();
}

static void testAllocatorMalloc()
{