romenskiy2012/jemalloc
1
0
Fork 0
mirror of https://github.com/jemalloc/jemalloc.git synced 2026-07-23 17:17:19 +03:00
Code Issues Projects Releases Packages Wiki Activity

Use huge size class infrastructure for large size classes.

Browse source
This commit is contained in:
Jason Evans 2016-05-28 00:17:28 -07:00
parent b46261d58b
commit ed2c2427a7
34 changed files with 463 additions and 1979 deletions
Download patch file Download diff file Expand all files Collapse all files

41
test/unit/extent_quantize.c
View file

@ -35,16 +35,16 @@ TEST_BEGIN(test_small_extent_size)
}
TEST_END
TEST_BEGIN(test_large_extent_size)
TEST_BEGIN(test_huge_extent_size)
{
bool cache_oblivious;
unsigned nlruns, i;
unsigned nhchunks, i;
size_t sz, extent_size_prev, ceil_prev;
size_t mib[4];
size_t miblen = sizeof(mib) / sizeof(size_t);
/*
* Iterate over all large size classes, get their extent sizes, and
* Iterate over all huge size classes, get their extent sizes, and
* verify that the quantized size is the same as the extent size.
*/
@ -53,12 +53,12 @@ TEST_BEGIN(test_large_extent_size)
NULL, 0), 0, "Unexpected mallctl failure");
sz = sizeof(unsigned);
assert_d_eq(mallctl("arenas.nlruns", &nlruns, &sz, NULL, 0), 0,
assert_d_eq(mallctl("arenas.nhchunks", &nhchunks, &sz, NULL, 0), 0,
"Unexpected mallctl failure");
assert_d_eq(mallctlnametomib("arenas.lrun.0.size", mib, &miblen), 0,
assert_d_eq(mallctlnametomib("arenas.hchunk.0.size", mib, &miblen), 0,
"Unexpected mallctlnametomib failure");
for (i = 0; i < nlruns; i++) {
for (i = 0; i < nhchunks; i++) {
size_t lextent_size, extent_size, floor, ceil;
mib[2] = i;
@ -91,33 +91,24 @@ TEST_BEGIN(test_large_extent_size)
ceil_prev, extent_size);
}
}
extent_size_prev = floor;
ceil_prev = extent_size_quantize_ceil(extent_size + PAGE);
if (i + 1 < nhchunks) {
extent_size_prev = floor;
ceil_prev = extent_size_quantize_ceil(extent_size +
PAGE);
}
}
}
TEST_END
TEST_BEGIN(test_monotonic)
{
unsigned nbins, nlruns, i;
size_t sz, floor_prev, ceil_prev;
/*
* Iterate over all extent sizes and verify that
* extent_size_quantize_{floor,ceil}() are monotonic.
*/
sz = sizeof(unsigned);
assert_d_eq(mallctl("arenas.nbins", &nbins, &sz, NULL, 0), 0,
"Unexpected mallctl failure");
sz = sizeof(unsigned);
assert_d_eq(mallctl("arenas.nlruns", &nlruns, &sz, NULL, 0), 0,
"Unexpected mallctl failure");
#define SZ_MAX ZU(4 * 1024 * 1024)
unsigned i;
size_t floor_prev, ceil_prev;
floor_prev = 0;
ceil_prev = 0;
for (i = 1; i <= large_maxclass >> LG_PAGE; i++) {
for (i = 1; i <= SZ_MAX >> LG_PAGE; i++) {
size_t extent_size, floor, ceil;
extent_size = i << LG_PAGE;
@ -150,6 +141,6 @@ main(void)
return (test(
test_small_extent_size,
test_large_extent_size,
test_huge_extent_size,
test_monotonic));
}