77 lines
1.8 KiB
C
77 lines
1.8 KiB
C
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#include "test/jemalloc_test.h"
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#include "test/bench.h"
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#define SMALL_ALLOC_SIZE 128
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#define LARGE_ALLOC_SIZE SC_LARGE_MINCLASS
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#define NALLOCS 1000
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/*
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* We make this volatile so the 1-at-a-time variants can't leave the allocation
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* in a register, just to try to get the cache behavior closer.
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*/
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void *volatile allocs[NALLOCS];
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static void
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array_alloc_dalloc_small(void) {
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for (int i = 0; i < NALLOCS; i++) {
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void *p = mallocx(SMALL_ALLOC_SIZE, 0);
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assert_ptr_not_null(p, "mallocx shouldn't fail");
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allocs[i] = p;
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}
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for (int i = 0; i < NALLOCS; i++) {
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sdallocx(allocs[i], SMALL_ALLOC_SIZE, 0);
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}
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}
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static void
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item_alloc_dalloc_small(void) {
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for (int i = 0; i < NALLOCS; i++) {
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void *p = mallocx(SMALL_ALLOC_SIZE, 0);
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assert_ptr_not_null(p, "mallocx shouldn't fail");
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allocs[i] = p;
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sdallocx(allocs[i], SMALL_ALLOC_SIZE, 0);
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}
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}
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TEST_BEGIN(test_array_vs_item_small) {
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compare_funcs(1 * 1000, 10 * 1000,
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"array of small allocations", array_alloc_dalloc_small,
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"small item allocation", item_alloc_dalloc_small);
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}
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TEST_END
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static void
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array_alloc_dalloc_large(void) {
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for (int i = 0; i < NALLOCS; i++) {
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void *p = mallocx(LARGE_ALLOC_SIZE, 0);
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assert_ptr_not_null(p, "mallocx shouldn't fail");
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allocs[i] = p;
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}
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for (int i = 0; i < NALLOCS; i++) {
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sdallocx(allocs[i], LARGE_ALLOC_SIZE, 0);
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}
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}
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static void
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item_alloc_dalloc_large(void) {
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for (int i = 0; i < NALLOCS; i++) {
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void *p = mallocx(LARGE_ALLOC_SIZE, 0);
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assert_ptr_not_null(p, "mallocx shouldn't fail");
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allocs[i] = p;
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sdallocx(allocs[i], LARGE_ALLOC_SIZE, 0);
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}
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}
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TEST_BEGIN(test_array_vs_item_large) {
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compare_funcs(100, 1000,
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"array of large allocations", array_alloc_dalloc_large,
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"large item allocation", item_alloc_dalloc_large);
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}
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TEST_END
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int main(void) {
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return test_no_reentrancy(
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test_array_vs_item_small,
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test_array_vs_item_large);
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}
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