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Benchmark operator delete

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Added the microbenchmark for operator delete.
Also modified bench.h so that it can be used in C++.
This commit is contained in:
guangli-dai 2022-11-03 16:55:15 -07:00 committed by Qi Wang
parent 14ad8205bf
commit 06374d2a6a
4 changed files with 102 additions and 10 deletions
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16
Makefile.in
View File

@ -332,10 +332,15 @@ TESTS_STRESS := $(srcroot)test/stress/batch_alloc.c \
$(srcroot)test/stress/large_microbench.c \
$(srcroot)test/stress/mallctl.c \
$(srcroot)test/stress/microbench.c
ifeq (@enable_cxx@, 1)
TESTS_STRESS_CPP := $(srcroot)test/stress/cpp/microbench.cpp
else
TESTS_STRESS_CPP :=
endif
TESTS := $(TESTS_UNIT) $(TESTS_INTEGRATION) $(TESTS_INTEGRATION_CPP) \
$(TESTS_ANALYZE) $(TESTS_STRESS)
$(TESTS_ANALYZE) $(TESTS_STRESS) $(TESTS_STRESS_CPP)
PRIVATE_NAMESPACE_HDRS := $(objroot)include/jemalloc/internal/private_namespace.h $(objroot)include/jemalloc/internal/private_namespace_jet.h
PRIVATE_NAMESPACE_GEN_HDRS := $(PRIVATE_NAMESPACE_HDRS:%.h=%.gen.h)
@ -362,9 +367,10 @@ TESTS_INTEGRATION_OBJS := $(TESTS_INTEGRATION:$(srcroot)%.c=$(objroot)%.$(O))
TESTS_INTEGRATION_CPP_OBJS := $(TESTS_INTEGRATION_CPP:$(srcroot)%.cpp=$(objroot)%.$(O))
TESTS_ANALYZE_OBJS := $(TESTS_ANALYZE:$(srcroot)%.c=$(objroot)%.$(O))
TESTS_STRESS_OBJS := $(TESTS_STRESS:$(srcroot)%.c=$(objroot)%.$(O))
TESTS_STRESS_CPP_OBJS := $(TESTS_STRESS_CPP:$(srcroot)%.cpp=$(objroot)%.$(O))
TESTS_OBJS := $(TESTS_UNIT_OBJS) $(TESTS_INTEGRATION_OBJS) $(TESTS_ANALYZE_OBJS) \
$(TESTS_STRESS_OBJS)
TESTS_CPP_OBJS := $(TESTS_INTEGRATION_CPP_OBJS)
TESTS_CPP_OBJS := $(TESTS_INTEGRATION_CPP_OBJS) $(TESTS_STRESS_CPP_OBJS)
.PHONY: all dist build_doc_html build_doc_man build_doc
.PHONY: install_bin install_include install_lib
@ -454,6 +460,7 @@ $(TESTS_INTEGRATION_OBJS): CPPFLAGS += -DJEMALLOC_INTEGRATION_TEST
$(TESTS_INTEGRATION_CPP_OBJS): CPPFLAGS += -DJEMALLOC_INTEGRATION_CPP_TEST
$(TESTS_ANALYZE_OBJS): CPPFLAGS += -DJEMALLOC_ANALYZE_TEST
$(TESTS_STRESS_OBJS): CPPFLAGS += -DJEMALLOC_STRESS_TEST
$(TESTS_STRESS_CPP_OBJS): CPPFLAGS += -DJEMALLOC_STRESS_CPP_TEST
$(TESTS_OBJS): $(objroot)test/%.$(O): $(srcroot)test/%.c
$(TESTS_CPP_OBJS): $(objroot)test/%.$(O): $(srcroot)test/%.cpp
$(TESTS_OBJS): CPPFLAGS += -I$(srcroot)test/include -I$(objroot)test/include
@ -474,7 +481,7 @@ $(TESTS_OBJS) $(TESTS_CPP_OBJS): $(objroot)test/include/test/jemalloc_test.h
endif
$(C_OBJS) $(CPP_OBJS) $(C_PIC_OBJS) $(CPP_PIC_OBJS) $(C_TESTLIB_INTEGRATION_OBJS) $(C_UTIL_INTEGRATION_OBJS) $(TESTS_INTEGRATION_OBJS) $(TESTS_INTEGRATION_CPP_OBJS): $(objroot)include/jemalloc/internal/private_namespace.h
$(C_JET_OBJS) $(C_TESTLIB_UNIT_OBJS) $(C_TESTLIB_ANALYZE_OBJS) $(C_TESTLIB_STRESS_OBJS) $(TESTS_UNIT_OBJS) $(TESTS_ANALYZE_OBJS) $(TESTS_STRESS_OBJS): $(objroot)include/jemalloc/internal/private_namespace_jet.h
$(C_JET_OBJS) $(C_TESTLIB_UNIT_OBJS) $(C_TESTLIB_ANALYZE_OBJS) $(C_TESTLIB_STRESS_OBJS) $(TESTS_UNIT_OBJS) $(TESTS_ANALYZE_OBJS) $(TESTS_STRESS_OBJS) $(TESTS_STRESS_CPP_OBJS): $(objroot)include/jemalloc/internal/private_namespace_jet.h
$(C_SYM_OBJS) $(C_OBJS) $(C_PIC_OBJS) $(C_JET_SYM_OBJS) $(C_JET_OBJS) $(C_TESTLIB_OBJS) $(TESTS_OBJS): %.$(O):
@mkdir -p $(@D)
@ -664,7 +671,7 @@ endif
tests_unit: $(TESTS_UNIT:$(srcroot)%.c=$(objroot)%$(EXE))
tests_integration: $(TESTS_INTEGRATION:$(srcroot)%.c=$(objroot)%$(EXE)) $(TESTS_INTEGRATION_CPP:$(srcroot)%.cpp=$(objroot)%$(EXE))
tests_analyze: $(TESTS_ANALYZE:$(srcroot)%.c=$(objroot)%$(EXE))
tests_stress: $(TESTS_STRESS:$(srcroot)%.c=$(objroot)%$(EXE))
tests_stress: $(TESTS_STRESS:$(srcroot)%.c=$(objroot)%$(EXE)) $(TESTS_STRESS_CPP:$(srcroot)%.cpp=$(objroot)%$(EXE))
tests: tests_unit tests_integration tests_analyze tests_stress
check_unit_dir:
@ -697,6 +704,7 @@ else
endif
stress: tests_stress stress_dir
$(SHELL) $(objroot)test/test.sh $(TESTS_STRESS:$(srcroot)%.c=$(objroot)%)
$(SHELL) $(objroot)test/test.sh $(TESTS_STRESS_CPP:$(srcroot)%.cpp=$(objroot)%)
check: check_unit check_integration check_integration_decay check_integration_prof
clean:

10
test/include/test/bench.h
View File

@ -23,7 +23,7 @@ fmt_nsecs(uint64_t usec, uint64_t iters, char *buf) {
uint64_t nsecs_per_iter1000 = nsec1000 / iters;
uint64_t intpart = nsecs_per_iter1000 / 1000;
uint64_t fracpart = nsecs_per_iter1000 % 1000;
malloc_snprintf(buf, FMT_NSECS_BUF_SIZE, "%"FMTu64".%03"FMTu64, intpart,
malloc_snprintf(buf, FMT_NSECS_BUF_SIZE, "%" FMTu64 ".%03" FMTu64, intpart,
fracpart);
}
@ -40,8 +40,8 @@ compare_funcs(uint64_t nwarmup, uint64_t niter, const char *name_a,
return;
}
time_func(&timer_a, nwarmup, niter, func_a);
time_func(&timer_b, nwarmup, niter, func_b);
time_func(&timer_a, nwarmup, niter, (void (*)())func_a);
time_func(&timer_b, nwarmup, niter, (void (*)())func_b);
uint64_t usec_a = timer_usec(&timer_a);
char buf_a[FMT_NSECS_BUF_SIZE];
@ -52,8 +52,8 @@ compare_funcs(uint64_t nwarmup, uint64_t niter, const char *name_a,
fmt_nsecs(usec_b, niter, buf_b);
timer_ratio(&timer_a, &timer_b, ratio_buf, sizeof(ratio_buf));
malloc_printf("%"FMTu64" iterations, %s=%"FMTu64"us (%s ns/iter), "
"%s=%"FMTu64"us (%s ns/iter), time consumption ratio=%s:1\n",
malloc_printf("%" FMTu64 " iterations, %s=%" FMTu64 "us (%s ns/iter), "
"%s=%" FMTu64 "us (%s ns/iter), time consumption ratio=%s:1\n",
niter, name_a, usec_a, buf_a, name_b, usec_b, buf_b, ratio_buf);
dallocx(p, 0);

3
test/include/test/jemalloc_test.h.in
View File

@ -88,7 +88,8 @@ static const bool config_debug =
* public jemalloc interfaces with jet_ prefixes, so that stress tests can use
* a separate allocator for their internal data structures.
*/
#elif defined(JEMALLOC_STRESS_TEST)
#elif defined(JEMALLOC_STRESS_TEST) || \
defined(JEMALLOC_STRESS_CPP_TEST)
# include "jemalloc/jemalloc@install_suffix@.h"
# include "jemalloc/jemalloc_protos_jet.h"

83
test/stress/cpp/microbench.cpp Normal file
View File

@ -0,0 +1,83 @@
#include "test/jemalloc_test.h"
#include "test/bench.h"
static void
malloc_free(void) {
void *p = malloc(1);
expect_ptr_not_null(p, "Unexpected new failure");
free(p);
}
static void
new_delete(void) {
auto p = ::operator new(1);
expect_ptr_not_null(p, "Unexpected new failure");
::operator delete(p);
}
static void
malloc_free_array(void) {
void *p = malloc(sizeof(int)*8);
expect_ptr_not_null(p, "Unexpected new[] failure");
free(p);
}
static void
new_delete_array(void) {
auto p = new int[8];
expect_ptr_not_null(p, "Unexpected new[] failure");
delete[] p;
}
#if __cpp_sized_deallocation >= 201309
static void
new_sized_delete(void) {
auto p = ::operator new(1);
expect_ptr_not_null(p, "Unexpected new failure");
::operator delete(p, 1);
}
static void
malloc_sdallocx(void) {
void *p = malloc(1);
expect_ptr_not_null(p, "Unexpected new failure");
sdallocx(p, 1, 0);
}
#endif
TEST_BEGIN(test_free_vs_delete) {
compare_funcs(10*1000*1000, 100*1000*1000,
"malloc_free", (void *)malloc_free,
"new_delete", (void *)new_delete);
}
TEST_END
TEST_BEGIN(test_free_array_vs_delete_array) {
compare_funcs(10*1000*1000, 100*1000*1000,
"malloc_free_array", (void *)malloc_free_array,
"delete_array", (void *)new_delete_array);
}
TEST_END
TEST_BEGIN(test_sized_delete_vs_sdallocx) {
#if __cpp_sized_deallocation >= 201309
compare_funcs(10*1000*1000, 100*1000*1000,
"new_size_delete", (void *)new_sized_delete,
"malloc_sdallocx", (void *)malloc_sdallocx);
#else
malloc_printf("Skipping test_sized_delete_vs_sdallocx since \
sized deallocation is not enabled.\n");
#endif
}
TEST_END
int
main() {
return test_no_reentrancy(
test_free_vs_delete,
test_free_array_vs_delete_array,
test_sized_delete_vs_sdallocx);
}