From 2fab1055580b4c5c00ef23db59b40a1b0b5a9acc Mon Sep 17 00:00:00 2001 From: Sverker Eriksson Date: Mon, 22 Apr 2013 14:43:27 +0200 Subject: erts: Add "bestfit within carrier" for aoff allocator (aoffcbf) --- .../test/alloc_SUITE_data/allocator_test.h | 4 +- erts/emulator/test/alloc_SUITE_data/coalesce.c | 2 +- erts/emulator/test/alloc_SUITE_data/rbtree.c | 68 ++++++++++++++++++++-- 3 files changed, 67 insertions(+), 7 deletions(-) (limited to 'erts/emulator/test/alloc_SUITE_data') diff --git a/erts/emulator/test/alloc_SUITE_data/allocator_test.h b/erts/emulator/test/alloc_SUITE_data/allocator_test.h index c0396ddb61..ec5bb9dcd6 100644 --- a/erts/emulator/test/alloc_SUITE_data/allocator_test.h +++ b/erts/emulator/test/alloc_SUITE_data/allocator_test.h @@ -75,6 +75,7 @@ typedef void* erts_cond; #define PREV_BLK(B) ((Block_t *) ALC_TEST1(0x019, (B))) #define IS_MBC_FIRST_BLK(A,B) ((Ulong) ALC_TEST2(0x01a, (A), (B))) #define UNIT_SZ ((Ulong) ALC_TEST0(0x01b)) +#define BLK_TO_MBC(B) ((Carrier_t *) ALC_TEST1(0x01c, (B))) /* From erl_goodfit_alloc.c */ #define BKT_IX(A, S) ((Ulong) ALC_TEST2(0x100, (A), (S))) @@ -91,8 +92,9 @@ typedef void* erts_cond; #define RBT_NEXT(T) ((RBTL_t *) ALC_TEST1(RBT_OP(5), (T))) #define RBT_IS_BLACK(T) ((Ulong) ALC_TEST1(RBT_OP(6), (T))) #define RBT_IS_TREE(T) ((Ulong) ALC_TEST1(RBT_OP(7), (T))) -#define IS_AOFF(A) ((Ulong) ALC_TEST1(RBT_OP(8), (A))) +#define IS_BF_ALGO(A) ((Ulong) ALC_TEST1(RBT_OP(8), (A))) #define RBT_MAX_SZ(T) ((Ulong) ALC_TEST1(RBT_OP(9), (T))) +#define IS_CBF(A) ((Ulong) ALC_TEST1(RBT_OP(0xa), (A))) /* From erl_mseg.c */ #define HAVE_MSEG() ((int) ALC_TEST0(0x400)) diff --git a/erts/emulator/test/alloc_SUITE_data/coalesce.c b/erts/emulator/test/alloc_SUITE_data/coalesce.c index 981fa6d43e..1fb4d7791d 100644 --- a/erts/emulator/test/alloc_SUITE_data/coalesce.c +++ b/erts/emulator/test/alloc_SUITE_data/coalesce.c @@ -267,7 +267,7 @@ void testcase_run(TestCaseState_t *tcs) { char *argv_org[] = {"-tsmbcs511","-tmmbcs511", "-tsbct512", "-trmbcmt100", "-tas", NULL, NULL}; - char *alg[] = {"af", "gf", "bf", "aobf", "aoff", NULL}; + char *alg[] = {"af", "gf", "bf", "aobf", "aoff", "aoffcbf", NULL}; int i; for (i = 0; alg[i]; i++) { diff --git a/erts/emulator/test/alloc_SUITE_data/rbtree.c b/erts/emulator/test/alloc_SUITE_data/rbtree.c index 4e7f821baf..105c9c0eb4 100644 --- a/erts/emulator/test/alloc_SUITE_data/rbtree.c +++ b/erts/emulator/test/alloc_SUITE_data/rbtree.c @@ -85,7 +85,7 @@ print_tree(TestCaseState_t *tcs, RBT_t *root) static RBT_t * check_tree(TestCaseState_t *tcs, Allctr_t *alc, Ulong size) { - enum { BF, AOBF, AOFF }type; + enum { BF, AOBF, AOFF, AOFFCBF }type; int i, max_i; char stk[128]; RBT_t *root, *x, *y, *res; @@ -94,9 +94,14 @@ check_tree(TestCaseState_t *tcs, Allctr_t *alc, Ulong size) res = NULL; - if (IS_AOBF(alc)) type = AOBF; - else if (IS_AOFF(alc)) type = AOFF; - else type = BF; + if (IS_BF_ALGO(alc)) { + if (IS_AOBF(alc)) type = AOBF; + else type = BF; + } + else { /* AOFF_ALGO */ + if (IS_CBF(alc)) type = AOFFCBF; + else type = AOFF; + } root = RBT_ROOT(alc); @@ -188,6 +193,15 @@ check_tree(TestCaseState_t *tcs, Allctr_t *alc, Ulong size) ASSERT(tcs, y < x); ASSERT(tcs, RBT_MAX_SZ(y) <= RBT_MAX_SZ(x)); break; + case AOFFCBF: + { + void* x_crr = BLK_TO_MBC(x); + void* y_crr = BLK_TO_MBC(y); + ASSERT(tcs, (y < x && (x_crr != y_crr || x_sz == y_sz)) + || (y_sz < x_sz && x_crr == y_crr)); + ASSERT(tcs, RBT_MAX_SZ(y) <= RBT_MAX_SZ(x)); + break; + } } } @@ -207,6 +221,15 @@ check_tree(TestCaseState_t *tcs, Allctr_t *alc, Ulong size) ASSERT(tcs, y > x); ASSERT(tcs, RBT_MAX_SZ(y) <= RBT_MAX_SZ(x)); break; + case AOFFCBF: + { + void* x_crr = BLK_TO_MBC(x); + void* y_crr = BLK_TO_MBC(y); + ASSERT(tcs, (y > x && (x_crr != y_crr || x_sz == y_sz)) + || (y_sz > x_sz && x_crr == y_crr)); + ASSERT(tcs, RBT_MAX_SZ(y) <= RBT_MAX_SZ(x)); + break; + } } } @@ -239,7 +262,18 @@ check_tree(TestCaseState_t *tcs, Allctr_t *alc, Ulong size) res = x; } break; + case AOFFCBF: + if (BLK_TO_MBC(x) != BLK_TO_MBC(res) || x_sz == y_sz) { + if (x < res) { + res = x; + } + } + else if (x_sz < y_sz) { + res = x; + } + break; } + } } @@ -273,7 +307,7 @@ do_check(TestCaseState_t *tcs, Allctr_t *a, Ulong size) tmp = ALLOC(a, sz - ABLK_HDR_SZ); ASSERT(tcs, tmp); y = UMEM2BLK(tmp); - if (IS_AOBF(a)) { + if (!(IS_BF_ALGO(a) && !IS_AOBF(a))) { ASSERT(tcs, x == y); } else { @@ -369,6 +403,7 @@ testcase_run(TestCaseState_t *tcs) char *argv1[] = {"-tasbf", NULL}; char *argv2[] = {"-tasaobf", NULL}; char *argv3[] = {"-tasaoff", NULL}; + char *argv4[] = {"-tasaoffcbf", NULL}; Allctr_t *a; rbtree_test_data *td; @@ -390,6 +425,7 @@ testcase_run(TestCaseState_t *tcs) td->allocator = a = START_ALC("rbtree_bf_", 0, argv1); ASSERT(tcs, a); + ASSERT(tcs, IS_BF_ALGO(a)); ASSERT(tcs, !IS_AOBF(a)); test_it(tcs); @@ -407,6 +443,7 @@ testcase_run(TestCaseState_t *tcs) td->allocator = a = START_ALC("rbtree_aobf_", 0, argv2); ASSERT(tcs, a); + ASSERT(tcs, IS_BF_ALGO(a)); ASSERT(tcs, IS_AOBF(a)); test_it(tcs); @@ -424,6 +461,8 @@ testcase_run(TestCaseState_t *tcs) td->allocator = a = START_ALC("rbtree_aoff_", 0, argv3); ASSERT(tcs, a); + ASSERT(tcs, !IS_BF_ALGO(a)); + ASSERT(tcs, !IS_CBF(a)); test_it(tcs); @@ -431,4 +470,23 @@ testcase_run(TestCaseState_t *tcs) td->allocator = NULL; testcase_printf(tcs, "Address order first fit test succeeded!\n"); + + /* Address order first fit, best fit within carrier */ + + testcase_printf(tcs, "Starting test of aoffcbf...\n"); + + current_rbt_type_op_base = AO_FIRSTFIT_OP_BASE; + td->allocator = a = START_ALC("rbtree_aoffcbf_", 0, argv4); + + ASSERT(tcs, a); + ASSERT(tcs, !IS_BF_ALGO(a)); + ASSERT(tcs, IS_CBF(a)); + + test_it(tcs); + + STOP_ALC(a); + td->allocator = NULL; + + testcase_printf(tcs, "aoffcbf test succeeded!\n"); + } -- cgit v1.2.3