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authorRickard Green <[email protected]>2011-05-22 01:26:06 +0200
committerRickard Green <[email protected]>2011-07-08 16:08:37 +0200
commit1dfaae304dfcc4f249c62b5ab7ff3bd4acef0d50 (patch)
tree04267b5e56237c9f2bee3e4a5e02873a4b95fcc5 /erts/emulator/beam/erl_alloc.c
parent4a5a75811e2cd590b5c94f71864a5245fd511ccf (diff)
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Use separate memory carriers for small blocks
Diffstat (limited to 'erts/emulator/beam/erl_alloc.c')
-rw-r--r--erts/emulator/beam/erl_alloc.c153
1 files changed, 127 insertions, 26 deletions
diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c
index cda404af5e..840534ec5e 100644
--- a/erts/emulator/beam/erl_alloc.c
+++ b/erts/emulator/beam/erl_alloc.c
@@ -87,13 +87,15 @@ typedef union {
char align_afa[ERTS_ALC_CACHE_LINE_ALIGN_SIZE(sizeof(AFAllctr_t))];
} ErtsAllocatorState_t;
-static ErtsAllocatorState_t sl_alloc_state;
+static ErtsAllocatorState_t sbmbc_alloc_state;
static ErtsAllocatorState_t std_alloc_state;
static ErtsAllocatorState_t ll_alloc_state;
#if HALFWORD_HEAP
-static ErtsAllocatorState_t std_alloc_low_state;
-static ErtsAllocatorState_t ll_alloc_low_state;
+static ErtsAllocatorState_t sbmbc_low_alloc_state;
+static ErtsAllocatorState_t std_low_alloc_state;
+static ErtsAllocatorState_t ll_low_alloc_state;
#endif
+static ErtsAllocatorState_t sl_alloc_state;
static ErtsAllocatorState_t temp_alloc_state;
static ErtsAllocatorState_t eheap_alloc_state;
static ErtsAllocatorState_t binary_alloc_state;
@@ -162,6 +164,7 @@ typedef struct {
char *mtrace;
char *nodename;
} instr;
+ struct au_init sbmbc_alloc;
struct au_init sl_alloc;
struct au_init std_alloc;
struct au_init ll_alloc;
@@ -171,8 +174,9 @@ typedef struct {
struct au_init ets_alloc;
struct au_init driver_alloc;
#if HALFWORD_HEAP
- struct au_init std_alloc_low;
- struct au_init ll_alloc_low;
+ struct au_init sbmbc_low_alloc;
+ struct au_init std_low_alloc;
+ struct au_init ll_low_alloc;
#endif
} erts_alc_hndl_args_init_t;
@@ -185,6 +189,34 @@ do { \
} while (0)
static void
+set_default_sbmbc_alloc_opts(struct au_init *ip)
+{
+ SET_DEFAULT_ALLOC_OPTS(ip);
+ ip->enable = 0;
+ ip->thr_spec = 0;
+ ip->atype = BESTFIT;
+ ip->init.bf.ao = 1;
+ ip->init.util.ramv = 0;
+ ip->init.util.mmsbc = 0;
+ ip->init.util.mmmbc = 500;
+ ip->init.util.sbct = ~((UWord) 0);
+ ip->init.util.name_prefix = "sbmbc_";
+ ip->init.util.alloc_no = ERTS_ALC_A_SBMBC;
+#ifndef SMALL_MEMORY
+ ip->init.util.mmbcs = 2*1024*1024; /* Main carrier size */
+#else
+ ip->init.util.mmbcs = 1*1024*1024; /* Main carrier size */
+#endif
+ ip->init.util.ts = ERTS_ALC_MTA_SBMBC;
+ ip->init.util.asbcst = 0;
+ ip->init.util.rsbcst = 0;
+ ip->init.util.rsbcmt = 0;
+ ip->init.util.rmbcmt = 0;
+ ip->init.util.sbmbct = 0;
+ ip->init.util.sbmbcs = 0;
+}
+
+static void
set_default_sl_alloc_opts(struct au_init *ip)
{
SET_DEFAULT_ALLOC_OPTS(ip);
@@ -202,6 +234,7 @@ set_default_sl_alloc_opts(struct au_init *ip)
ip->init.util.ts = ERTS_ALC_MTA_SHORT_LIVED;
ip->init.util.rsbcst = 80;
#if HALFWORD_HEAP
+ ip->init.util.force = 1;
ip->init.util.low_mem = 1;
#endif
@@ -249,6 +282,8 @@ set_default_ll_alloc_opts(struct au_init *ip)
ip->init.util.rsbcst = 0;
ip->init.util.rsbcmt = 0;
ip->init.util.rmbcmt = 0;
+ ip->init.util.sbmbct = 0;
+ ip->init.util.sbmbcs = 0;
}
static void
@@ -269,6 +304,7 @@ set_default_temp_alloc_opts(struct au_init *ip)
ip->init.util.rsbcst = 90;
ip->init.util.rmbcmt = 100;
#if HALFWORD_HEAP
+ ip->init.util.force = 1;
ip->init.util.low_mem = 1;
#endif
}
@@ -291,6 +327,7 @@ set_default_eheap_alloc_opts(struct au_init *ip)
ip->init.util.ts = ERTS_ALC_MTA_EHEAP;
ip->init.util.rsbcst = 50;
#if HALFWORD_HEAP
+ ip->init.util.force = 1;
ip->init.util.low_mem = 1;
#endif
}
@@ -436,10 +473,13 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop)
hdbg_init();
#endif
+ erts_have_sbmbc_alloc = 0;
+
erts_sys_alloc_init();
init_thr_ix(erts_no_schedulers);
erts_init_utils_mem();
+ set_default_sbmbc_alloc_opts(&init.sbmbc_alloc);
set_default_sl_alloc_opts(&init.sl_alloc);
set_default_std_alloc_opts(&init.std_alloc);
set_default_ll_alloc_opts(&init.ll_alloc);
@@ -453,6 +493,7 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop)
handle_args(argc, argv, &init);
if (erts_no_schedulers <= 1) {
+ init.sbmbc_alloc.thr_spec = 0;
init.sl_alloc.thr_spec = 0;
init.std_alloc.thr_spec = 0;
init.ll_alloc.thr_spec = 0;
@@ -464,6 +505,7 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop)
if (init.erts_alloc_config) {
/* Adjust flags that erts_alloc_config won't like */
+ init.sbmbc_alloc.thr_spec = 0;
init.temp_alloc.thr_spec = 0;
init.sl_alloc.thr_spec = 0;
init.std_alloc.thr_spec = 0;
@@ -480,6 +522,7 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop)
init.temp_alloc.thr_spec = erts_no_schedulers;
/* Others must use thread preferred interface */
+ adjust_tpref(&init.sbmbc_alloc, erts_no_schedulers);
adjust_tpref(&init.sl_alloc, erts_no_schedulers);
adjust_tpref(&init.std_alloc, erts_no_schedulers);
adjust_tpref(&init.ll_alloc, erts_no_schedulers);
@@ -497,6 +540,7 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop)
* The following allocators cannot be run with afit strategy.
* Make sure they don't...
*/
+ refuse_af_strategy(&init.sbmbc_alloc);
refuse_af_strategy(&init.sl_alloc);
refuse_af_strategy(&init.std_alloc);
refuse_af_strategy(&init.ll_alloc);
@@ -551,19 +595,30 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop)
#if HALFWORD_HEAP
/* Init low memory variants by cloning */
- init.std_alloc_low = init.std_alloc;
- init.std_alloc_low.init.util.alloc_no = ERTS_ALC_A_STANDARD_LOW;
- init.std_alloc_low.init.util.low_mem = 1;
-
- init.ll_alloc_low = init.ll_alloc;
- init.ll_alloc_low.init.util.alloc_no = ERTS_ALC_A_LONG_LIVED_LOW;
- init.ll_alloc_low.init.util.low_mem = 1;
-
- set_au_allocator(ERTS_ALC_A_STANDARD_LOW, &init.std_alloc_low);
- set_au_allocator(ERTS_ALC_A_LONG_LIVED_LOW, &init.ll_alloc_low);
+ init.sbmbc_low_alloc = init.sbmbc_alloc;
+ init.sbmbc_low_alloc.init.util.name_prefix = "sbmbc_low_";
+ init.sbmbc_low_alloc.init.util.alloc_no = ERTS_ALC_A_STANDARD_LOW;
+ init.sbmbc_low_alloc.init.util.low_mem = 1;
+
+ init.std_low_alloc = init.std_alloc;
+ init.std_low_alloc.init.util.name_prefix = "std_low_";
+ init.std_low_alloc.init.util.alloc_no = ERTS_ALC_A_STANDARD_LOW;
+ init.std_low_alloc.init.util.force = 1;
+ init.std_low_alloc.init.util.low_mem = 1;
+
+ init.ll_low_alloc = init.ll_alloc;
+ init.ll_low_alloc.init.util.name_prefix = "ll_low_";
+ init.ll_low_alloc.init.util.alloc_no = ERTS_ALC_A_LONG_LIVED_LOW;
+ init.ll_low_alloc.init.util.force = 1;
+ init.ll_low_alloc.init.util.low_mem = 1;
+
+ set_au_allocator(ERTS_ALC_A_SBMBC_LOW, &init.sbmbc_low_alloc);
+ set_au_allocator(ERTS_ALC_A_STANDARD_LOW, &init.std_low_alloc);
+ set_au_allocator(ERTS_ALC_A_LONG_LIVED_LOW, &init.ll_low_alloc);
#endif /* HALFWORD */
set_au_allocator(ERTS_ALC_A_TEMPORARY, &init.temp_alloc);
+ set_au_allocator(ERTS_ALC_A_SBMBC, &init.sbmbc_alloc);
set_au_allocator(ERTS_ALC_A_SHORT_LIVED, &init.sl_alloc);
set_au_allocator(ERTS_ALC_A_STANDARD, &init.std_alloc);
set_au_allocator(ERTS_ALC_A_LONG_LIVED, &init.ll_alloc);
@@ -593,6 +648,20 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop)
erts_mtrace_init(init.instr.mtrace, init.instr.nodename);
+ /* sbmbc_alloc() needs to be started first */
+ start_au_allocator(ERTS_ALC_A_SBMBC,
+ &init.sbmbc_alloc,
+ &sbmbc_alloc_state);
+#if HALFWORD_HEAP
+ start_au_allocator(ERTS_ALC_A_SBMBC_LOW,
+ &init.sbmbc_low_alloc,
+ &sbmbc_low_alloc_state);
+ erts_have_sbmbc_alloc = (init.sbmbc_alloc.enable
+ && init.sbmbc_low_alloc.enable);
+#else
+ erts_have_sbmbc_alloc = init.sbmbc_alloc.enable;
+#endif
+
start_au_allocator(ERTS_ALC_A_TEMPORARY,
&init.temp_alloc,
&temp_alloc_state);
@@ -610,11 +679,11 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop)
&ll_alloc_state);
#if HALFWORD_HEAP
start_au_allocator(ERTS_ALC_A_LONG_LIVED_LOW,
- &init.ll_alloc_low,
- &ll_alloc_low_state);
+ &init.ll_low_alloc,
+ &ll_low_alloc_state);
start_au_allocator(ERTS_ALC_A_STANDARD_LOW,
- &init.std_alloc_low,
- &std_alloc_low_state);
+ &init.std_low_alloc,
+ &std_low_alloc_state);
#endif
start_au_allocator(ERTS_ALC_A_EHEAP,
&init.eheap_alloc,
@@ -680,14 +749,11 @@ set_au_allocator(ErtsAlcType_t alctr_n, struct au_init *init)
ErtsAllocatorInfo_t *ai = &erts_allctrs_info[alctr_n];
ErtsAllocatorThrSpec_t *tspec = &erts_allctr_thr_spec[alctr_n];
-#if HALFWORD_HEAP
- /* If halfword heap, silently ignore any disabling of internal
- * allocators for low memory
+ /*
+ * Some allocators are forced on if halfword heap is used.
*/
- if (init->init.util.low_mem) {
+ if (init->init.util.force)
init->enable = 1;
- }
-#endif
if (!init->enable) {
af->alloc = erts_sys_alloc;
@@ -947,6 +1013,20 @@ get_kb_value(char *param_end, char** argv, int* ip)
}
static Uint
+get_byte_value(char *param_end, char** argv, int* ip)
+{
+ Sint tmp;
+ char *rest;
+ char *param = argv[*ip]+1;
+ char *value = get_value(param_end, argv, ip);
+ errno = 0;
+ tmp = (Sint) strtol(value, &rest, 10);
+ if (errno != 0 || rest == value || tmp < 0)
+ bad_value(param, param_end, value);
+ return (Uint) tmp;
+}
+
+static Uint
get_amount_value(char *param_end, char** argv, int* ip)
{
Sint tmp;
@@ -1085,6 +1165,12 @@ handle_au_arg(struct au_init *auip,
if(has_prefix("sbct", sub_param)) {
auip->init.util.sbct = get_kb_value(sub_param + 4, argv, ip);
}
+ else if (has_prefix("sbmbcs", sub_param)) {
+ auip->init.util.sbmbcs = get_byte_value(sub_param + 6, argv, ip);
+ }
+ else if (has_prefix("sbmbct", sub_param)) {
+ auip->init.util.sbmbct = get_byte_value(sub_param + 6, argv, ip);
+ }
else if (has_prefix("smbcs", sub_param)) {
auip->default_.smbcs = 0;
auip->init.util.smbcs = get_kb_value(sub_param + 5, argv, ip);
@@ -1123,6 +1209,7 @@ static void
handle_args(int *argc, char **argv, erts_alc_hndl_args_init_t *init)
{
struct au_init *aui[] = {
+ &init->sbmbc_alloc,
&init->binary_alloc,
&init->std_alloc,
&init->ets_alloc,
@@ -1150,6 +1237,9 @@ handle_args(int *argc, char **argv, erts_alc_hndl_args_init_t *init)
case 'B':
handle_au_arg(&init->binary_alloc, &argv[i][3], argv, &i);
break;
+ case 'C':
+ handle_au_arg(&init->sbmbc_alloc, &argv[i][3], argv, &i);
+ break;
case 'D':
handle_au_arg(&init->std_alloc, &argv[i][3], argv, &i);
break;
@@ -1856,12 +1946,16 @@ erts_memory(int *print_to_p, void *print_to_arg, void *proc, Eterm earg)
return am_badarg;
}
- /* All alloc_util allocators *have* to be enabled */
+ /* All alloc_util allocators except sbmbc_alloc *have* to be enabled */
for (ai = ERTS_ALC_A_MIN; ai <= ERTS_ALC_A_MAX; ai++) {
switch (ai) {
case ERTS_ALC_A_SYSTEM:
case ERTS_ALC_A_FIXED_SIZE:
+ case ERTS_ALC_A_SBMBC:
+#if HALFWORD_HEAP
+ case ERTS_ALC_A_SBMBC_LOW:
+#endif
break;
default:
if (!erts_allctrs_info[ai].enabled
@@ -1901,6 +1995,12 @@ erts_memory(int *print_to_p, void *print_to_arg, void *proc, Eterm earg)
* Often not thread safe and usually never
* contain any allocated memory.
*/
+ case ERTS_ALC_A_SBMBC:
+ /* Included in other allocators */
+#if HALFWORD_HEAP
+ case ERTS_ALC_A_SBMBC_LOW:
+ /* Included in other allocators */
+#endif
continue;
case ERTS_ALC_A_EHEAP:
save = &size.processes;
@@ -2925,6 +3025,7 @@ unsigned long erts_alc_test(unsigned long op,
init.atype = GOODFIT;
init.init.util.name_prefix = (char *) a1;
init.init.util.ts = a2 ? 1 : 0;
+ init.init.util.sbmbct = 0;
if ((char **) a3) {
char **argv = (char **) a3;