performance

1 files changed, 42 insertions, 0 deletions

diff --git a/utils/bench/hash.c b/utils/bench/hash.c
new file mode 100644
index 00000000..013a5321
--- /dev/null
+++ b/utils/bench/hash.c
@@ -0,0 +1,42 @@
+#include <stdio.h>
+#include <stdint.h>
+#include <time.h>
+
+#define T1HA0_AESNI_AVAILABLE 1
+#define T1HA_USE_FAST_ONESHOT_READ 1
+#define T1HA_USE_INDIRECT_FUNCTIONS 1
+#define T1HA_IA32AES_NAME t1ha0_ia32aes
+#include "t1ha0_ia32aes_b.h"
+
+#define XXH_INLINE_ALL
+#include "xxhash.h"
+#undef XXH_INLINE_ALL
+
+int main() {
+  char *data = malloc(4097);
+  struct timespec start, end;
+  long long duration;
+  int i;
+  uint64_t res;
+
+  clock_gettime(CLOCK_MONOTONIC, &start);
+  for (i = 0; i < 100000000; ++i) {
+     res = XXH3_64bits(data, 4097);
+     memcpy(data + 16, (char*)&res, 8);
+  }
+  clock_gettime(CLOCK_MONOTONIC, &end);
+  duration = (end.tv_sec - start.tv_sec) * 1000000000LL + (end.tv_nsec - start.tv_nsec);
+  printf("xxh3 duration:          %lld ns\n", duration);
+
+  memset(data, 0, 4097);
+  clock_gettime(CLOCK_MONOTONIC, &start);
+  for (i = 0; i < 100000000; ++i) {
+     res = t1ha0_ia32aes(data, 4097);
+     memcpy(data + 16, (char*)&res, 8);
+  }
+  clock_gettime(CLOCK_MONOTONIC, &end);
+  duration = (end.tv_sec - start.tv_sec) * 1000000000LL + (end.tv_nsec - start.tv_nsec);
+  printf("t1ha0_ia32aes duration: %lld ns\n", duration);
+
+  return 0;
+}