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Add rtree_write_range(): writing the same content to multiple leaf elements.

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Apply to emap_(de)register_interior which became noticeable in perf profiles.
This commit is contained in:
Qi Wang
2021-03-17 16:35:57 -07:00
committed by Qi Wang
parent add636596a
commit 7c964b0352
4 changed files with 182 additions and 32 deletions
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66
test/unit/rtree.c
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@@ -210,11 +210,75 @@ TEST_BEGIN(test_rtree_random) {
}
TEST_END
static void
test_rtree_range_write(tsdn_t *tsdn, rtree_t *rtree, uintptr_t start,
uintptr_t end) {
rtree_ctx_t rtree_ctx;
rtree_ctx_data_init(&rtree_ctx);
edata_t *edata_e = alloc_edata();
edata_init(edata_e, INVALID_ARENA_IND, NULL, 0, false, SC_NSIZES, 0,
extent_state_active, false, false, EXTENT_PAI_PAC, EXTENT_NOT_HEAD);
rtree_contents_t contents;
contents.edata = edata_e;
contents.metadata.szind = SC_NSIZES;
contents.metadata.slab = false;
contents.metadata.is_head = false;
contents.metadata.state = extent_state_active;
expect_false(rtree_write(tsdn, rtree, &rtree_ctx, start,
contents), "Unexpected rtree_write() failure");
expect_false(rtree_write(tsdn, rtree, &rtree_ctx, end,
contents), "Unexpected rtree_write() failure");
rtree_write_range(tsdn, rtree, &rtree_ctx, start, end, contents);
for (uintptr_t i = 0; i < ((end - start) >> LG_PAGE); i++) {
expect_ptr_eq(rtree_read(tsdn, rtree, &rtree_ctx,
start + (i << LG_PAGE)).edata, edata_e,
"rtree_edata_read() should return previously set value");
}
rtree_clear_range(tsdn, rtree, &rtree_ctx, start, end);
rtree_leaf_elm_t *elm;
for (uintptr_t i = 0; i < ((end - start) >> LG_PAGE); i++) {
elm = rtree_leaf_elm_lookup(tsdn, rtree, &rtree_ctx,
start + (i << LG_PAGE), false, false);
expect_ptr_not_null(elm, "Should have been initialized.");
expect_ptr_null(rtree_leaf_elm_read(tsdn, rtree, elm,
false).edata, "Should have been cleared.");
}
}
TEST_BEGIN(test_rtree_range) {
tsdn_t *tsdn = tsdn_fetch();
base_t *base = base_new(tsdn, 0, &ehooks_default_extent_hooks);
expect_ptr_not_null(base, "Unexpected base_new failure");
rtree_t *rtree = &test_rtree;
expect_false(rtree_new(rtree, base, false),
"Unexpected rtree_new() failure");
/* Not crossing rtree node boundary first. */
uintptr_t start = ZU(1) << rtree_leaf_maskbits();
uintptr_t end = start + (ZU(100) << LG_PAGE);
test_rtree_range_write(tsdn, rtree, start, end);
/* Crossing rtree node boundary. */
start = (ZU(1) << rtree_leaf_maskbits()) - (ZU(10) << LG_PAGE);
end = start + (ZU(100) << LG_PAGE);
assert_ptr_ne((void *)rtree_leafkey(start), (void *)rtree_leafkey(end),
"The range should span across two rtree nodes");
test_rtree_range_write(tsdn, rtree, start, end);
base_delete(tsdn, base);
}
TEST_END
int
main(void) {
return test(
test_rtree_read_empty,
test_rtree_extrema,
test_rtree_bits,
test_rtree_random);
test_rtree_random,
test_rtree_range);
}