usage:
./cpuflags-test --stressmem 100 (in MB)
Signed-off-by: Jiří Župka <jzu...@redhat.com>
---
client/virt/deps/test_cpu_flags/Makefile | 9 +++++-
client/virt/deps/test_cpu_flags/cpuflags-test.c | 28 ++++++++++++-------
client/virt/deps/test_cpu_flags/stressmem.c | 33 +++++++++++++++++++++++
client/virt/deps/test_cpu_flags/tests.h | 1 +
4 files changed, 58 insertions(+), 13 deletions(-)
create mode 100644 client/virt/deps/test_cpu_flags/stressmem.c
diff --git a/client/virt/deps/test_cpu_flags/Makefile
b/client/virt/deps/test_cpu_flags/Makefile
index b95c36e..1513649 100644
--- a/client/virt/deps/test_cpu_flags/Makefile
+++ b/client/virt/deps/test_cpu_flags/Makefile
@@ -2,7 +2,7 @@ MKDIR = mkdir -p
OPTFLAGS=-O3
-CFLAGS= -m64 ${OPTFLAGS} -std=c99 -pipe \
+CFLAGS= ${OPTFLAGS} -std=c99 -pipe \
-ftree-vectorize \
-ffast-math \
-fopenmp \
@@ -51,7 +51,7 @@ default:cpuflags-test
all:cpuflags-test
-cpuflags-test: avx.o fma4.o xop.o sse4a.o sse4.o ssse3.o sse3.o aes.o pclmul.o
rdrand.o stress.o
+cpuflags-test: avx.o fma4.o xop.o sse4a.o sse4.o ssse3.o sse3.o aes.o pclmul.o
rdrand.o stress.o stressmem.o
$(CC) $(CFLAGS) $(LIBS) cpuflags-test.c -o cpuflags-test \
aes.o \
pclmul.o \
@@ -64,6 +64,7 @@ cpuflags-test: avx.o fma4.o xop.o sse4a.o sse4.o ssse3.o
sse3.o aes.o pclmul.o r
ssse3.o \
sse3.o \
stress.o \
+ stressmem.o \
aes.o: aes.c tests.h
$(CC) $(CFLAGSAES) $(LIBS) -c aes.c
@@ -98,6 +99,10 @@ sse3.o: sse3.c tests.h
stress.o: stress.c tests.h
$(CC) $(CFLAGSSTRESS) $(LIBS) -c stress.c
+stressmem.o: stressmem.c tests.h
+ $(CC) $(CFLAGSSTRESS) $(LIBS) -c stressmem.c
+
+
ARCHIVE= cpuflags-test
tar: clean
diff --git a/client/virt/deps/test_cpu_flags/cpuflags-test.c
b/client/virt/deps/test_cpu_flags/cpuflags-test.c
index dd97d61..2e68b26 100644
--- a/client/virt/deps/test_cpu_flags/cpuflags-test.c
+++ b/client/virt/deps/test_cpu_flags/cpuflags-test.c
@@ -14,8 +14,9 @@ void print_help(){
" --pclmul test carry less
multiplication.\n"
" --rdrand test rdrand
instruction.\n"
" --fma4 test fma4 instruction.\n"
- " --xop test fma4 instruction.\n"
- " --stress n_cpus,avx,aes start stress on
n_cpus.and cpuflags\n");
+ " --xop test fma4 instruction.\n"
+ " --stress n_cpus,avx,aes start stress on
n_cpus.and cpuflags.\n"
+ " --stressmem mem_size start stressmem with
mem_size.\n");
}
@@ -74,6 +75,7 @@ int main(int argc, char **argv) {
int option_index = 0;
static struct option long_options[] =
{{ "stress",required_argument, 0, 0 },
+ { "stressmem", required_argument, 0, 0 },
{ "sse3", no_argument, 0, 0 },
{ "ssse3", no_argument, 0, 0 },
{ "sse4", no_argument, 0, 0 },
@@ -100,35 +102,39 @@ int main(int argc, char **argv) {
stress(parse_Inst(optarg));
break;
case 1:
- ret += sse3();
+ stressmem(atoi(optarg));
break;
case 2:
- ret += ssse3();
+ ret += sse3();
break;
case 3:
- ret += sse4();
+ ret += ssse3();
break;
case 4:
- ret += sse4a();
+ ret += sse4();
break;
case 5:
- ret += avx();
+ ret += sse4a();
break;
case 6:
- ret += aes();
+ ret += avx();
break;
case 7:
- ret += pclmul();
+ ret += aes();
break;
case 8:
- ret += rdrand();
+ ret += pclmul();
break;
case 9:
- ret += fma4();
+ ret += rdrand();
break;
case 10:
+ ret += fma4();
+ break;
+ case 11:
ret += xop();
break;
+
}
break;
diff --git a/client/virt/deps/test_cpu_flags/stressmem.c
b/client/virt/deps/test_cpu_flags/stressmem.c
new file mode 100644
index 0000000..3708cfb
--- /dev/null
+++ b/client/virt/deps/test_cpu_flags/stressmem.c
@@ -0,0 +1,33 @@
+/*
+ * stress.c
+ *
+ * Created on: Nov 29, 2011
+ * Author: jzupka
+ */
+
+#include "tests.h"
+
+typedef float vector_type;//
+
+void stressmem(unsigned int sizeMB) {
+ unsigned int size = sizeMB * 1024*1024;
+ unsigned int subsize = (size / sizeof(vector_type));
+
+ vector_type *a = malloc(size);
+
+ printf("size %lld, subsize %lld", size, subsize);
+ vector_type __attribute__ ((aligned(32))) v[256] = {0};
+ while (1){
+ #pragma omp parallel for private(v)
+ for (unsigned int q = 0; q < subsize; q += 256) {
+ for (unsigned int i = 0; i < 256; i++){
+ v[i] += 1;
+ }
+ for (unsigned int i = 0; i < 256; i++) {
+ a[q+i] += v[i];
+ }
+ }
+ printf("Stress round.\n");
+ }
+ free(a);
+}
diff --git a/client/virt/deps/test_cpu_flags/tests.h
b/client/virt/deps/test_cpu_flags/tests.h
index b581864..5804793 100644
--- a/client/virt/deps/test_cpu_flags/tests.h
+++ b/client/virt/deps/test_cpu_flags/tests.h
@@ -71,6 +71,7 @@ int ssse3();
int fma4();
int xop();
void stress(inst in);
+void stressmem(unsigned int sizeMB);
#endif /* TEST_H_ */
--
1.7.7.6
--
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