Add support for the Google xxhash checksumming function

[fio.git] / crc / test.c

diff --git a/crc/test.c b/crc/test.c
index 2f6d9ee7f430c1a05a5d00c328b8a35e33e6fc2d..174bea375136f01cefe1aa60e560bce04de875ae 100644 (file)
--- a/crc/test.c
+++ b/crc/test.c
@@ -16,6 +16,7 @@
 #include "../crc/sha1.h"
 #include "../crc/sha256.h"
 #include "../crc/sha512.h"
+#include "../crc/xxhash.h"
 
 #define CHUNK          131072U
 #define NR_CHUNKS        2048U
@@ -36,6 +37,7 @@ enum {
        T_SHA1          = 1U << 6,
        T_SHA256        = 1U << 7,
        T_SHA512        = 1U << 8,
+       T_XXHASH        = 1U << 9,
 };
 
 static void randomize_buf(void *buf, unsigned int size, int seed)
@@ -233,6 +235,29 @@ static uint64_t t_sha512(void)
        return ret;
 }
 
+static uint64_t t_xxhash(void)
+{
+       void *state;
+       struct timeval s;
+       uint64_t ret;
+       void *buf;
+       int i;
+
+       state = XXH32_init(0x8989);
+
+       buf = malloc(CHUNK);
+       randomize_buf(buf, CHUNK, 0x8989);
+
+       fio_gettime(&s, NULL);
+       for (i = 0; i < NR_CHUNKS; i++)
+               XXH32_update(state, buf, CHUNK);
+
+       XXH32_digest(state);
+       ret = utime_since_now(&s);
+       free(buf);
+       return ret;
+}
+
 static struct test_type t[] = {
        {
                .name = "md5",
@@ -279,6 +304,11 @@ static struct test_type t[] = {
                .mask = T_SHA512,
                .fn = t_sha512,
        },
+       {
+               .name = "xxhash",
+               .mask = T_XXHASH,
+               .fn = t_xxhash,
+       },
        {
                .name = NULL,
        },