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Use huge size class infrastructure for large size classes.

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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
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103
test/integration/xallocx.c
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@@ -91,13 +91,6 @@ get_nsmall(void)
return (get_nsizes_impl("arenas.nbins"));
}
static unsigned
get_nlarge(void)
{
return (get_nsizes_impl("arenas.nlruns"));
}
static unsigned
get_nhuge(void)
{
@@ -131,13 +124,6 @@ get_small_size(size_t ind)
return (get_size_impl("arenas.bin.0.size", ind));
}
static size_t
get_large_size(size_t ind)
{
return (get_size_impl("arenas.lrun.0.size", ind));
}
static size_t
get_huge_size(size_t ind)
{
@@ -239,81 +225,14 @@ TEST_BEGIN(test_extra_small)
}
TEST_END
TEST_BEGIN(test_extra_large)
TEST_BEGIN(test_extra_huge)
{
int flags = MALLOCX_ARENA(arena_ind());
size_t smallmax, large0, large1, large2, huge0, hugemax;
size_t smallmax, huge1, huge2, huge3, hugemax;
void *p;
/* Get size classes. */
smallmax = get_small_size(get_nsmall()-1);
large0 = get_large_size(0);
large1 = get_large_size(1);
large2 = get_large_size(2);
huge0 = get_huge_size(0);
hugemax = get_huge_size(get_nhuge()-1);
p = mallocx(large2, flags);
assert_ptr_not_null(p, "Unexpected mallocx() error");
assert_zu_eq(xallocx(p, large2, 0, flags), large2,
"Unexpected xallocx() behavior");
/* Test size decrease with zero extra. */
assert_zu_eq(xallocx(p, large0, 0, flags), large0,
"Unexpected xallocx() behavior");
assert_zu_eq(xallocx(p, smallmax, 0, flags), large0,
"Unexpected xallocx() behavior");
assert_zu_eq(xallocx(p, large2, 0, flags), large2,
"Unexpected xallocx() behavior");
/* Test size decrease with non-zero extra. */
assert_zu_eq(xallocx(p, large0, large2 - large0, flags), large2,
"Unexpected xallocx() behavior");
assert_zu_eq(xallocx(p, large1, large2 - large1, flags), large2,
"Unexpected xallocx() behavior");
assert_zu_eq(xallocx(p, large0, large1 - large0, flags), large1,
"Unexpected xallocx() behavior");
assert_zu_eq(xallocx(p, smallmax, large0 - smallmax, flags), large0,
"Unexpected xallocx() behavior");
assert_zu_eq(xallocx(p, large0, 0, flags), large0,
"Unexpected xallocx() behavior");
/* Test size increase with zero extra. */
assert_zu_eq(xallocx(p, large2, 0, flags), large2,
"Unexpected xallocx() behavior");
assert_zu_eq(xallocx(p, huge0, 0, flags), large2,
"Unexpected xallocx() behavior");
assert_zu_eq(xallocx(p, large0, 0, flags), large0,
"Unexpected xallocx() behavior");
/* Test size increase with non-zero extra. */
assert_zu_lt(xallocx(p, large0, huge0 - large0, flags), huge0,
"Unexpected xallocx() behavior");
assert_zu_eq(xallocx(p, large0, 0, flags), large0,
"Unexpected xallocx() behavior");
/* Test size increase with non-zero extra. */
assert_zu_eq(xallocx(p, large0, large2 - large0, flags), large2,
"Unexpected xallocx() behavior");
assert_zu_eq(xallocx(p, large2, 0, flags), large2,
"Unexpected xallocx() behavior");
/* Test size+extra overflow. */
assert_zu_lt(xallocx(p, large2, hugemax - large2 + 1, flags), huge0,
"Unexpected xallocx() behavior");
dallocx(p, flags);
}
TEST_END
TEST_BEGIN(test_extra_huge)
{
int flags = MALLOCX_ARENA(arena_ind());
size_t largemax, huge1, huge2, huge3, hugemax;
void *p;
/* Get size classes. */
largemax = get_large_size(get_nlarge()-1);
huge1 = get_huge_size(1);
huge2 = get_huge_size(2);
huge3 = get_huge_size(3);
@@ -327,7 +246,7 @@ TEST_BEGIN(test_extra_huge)
/* Test size decrease with zero extra. */
assert_zu_ge(xallocx(p, huge1, 0, flags), huge1,
"Unexpected xallocx() behavior");
assert_zu_ge(xallocx(p, largemax, 0, flags), huge1,
assert_zu_ge(xallocx(p, smallmax, 0, flags), huge1,
"Unexpected xallocx() behavior");
assert_zu_eq(xallocx(p, huge3, 0, flags), huge3,
@@ -339,7 +258,7 @@ TEST_BEGIN(test_extra_huge)
"Unexpected xallocx() behavior");
assert_zu_eq(xallocx(p, huge1, huge2 - huge1, flags), huge2,
"Unexpected xallocx() behavior");
assert_zu_ge(xallocx(p, largemax, huge1 - largemax, flags), huge1,
assert_zu_ge(xallocx(p, smallmax, huge1 - smallmax, flags), huge1,
"Unexpected xallocx() behavior");
assert_zu_ge(xallocx(p, huge1, 0, flags), huge1,
@@ -455,18 +374,6 @@ test_zero(size_t szmin, size_t szmax)
dallocx(p, flags);
}
TEST_BEGIN(test_zero_large)
{
size_t large0, largemax;
/* Get size classes. */
large0 = get_large_size(0);
largemax = get_large_size(get_nlarge()-1);
test_zero(large0, largemax);
}
TEST_END
TEST_BEGIN(test_zero_huge)
{
size_t huge0, huge1;
@@ -490,8 +397,6 @@ main(void)
test_size,
test_size_extra_overflow,
test_extra_small,
test_extra_large,
test_extra_huge,
test_zero_large,
test_zero_huge));
}