eina: add benchmark for crc hash in eina benchmark

Summary:
The code added is actually benchmarking all hash function key with various length (8, 32, 256 bytes).

Signed-off-by: vivek <vivek.ellur@samsung.com>
Reviewers: Sergeant_Whitespace, cedric

Reviewed By: cedric

Subscribers: Sergeant_Whitespace, cedric

Differential Revision: https://phab.enlightenment.org/D2217

Signed-off-by: Cedric BAIL <cedric@osg.samsung.com>

diff --git a/src/benchmarks/eina/Makefile.am b/src/benchmarks/eina/Makefile.am
index 9f64d46..da6ceb9 100644 (file)
--- a/src/benchmarks/eina/Makefile.am
+++ b/src/benchmarks/eina/Makefile.am
@@ -18,6 +18,7 @@ eina_bench_SOURCES = \
 eina_bench.c \
 eina_bench_sort.c \
 eina_bench_hash.c \
+eina_bench_crc_hash.c \
 eina_bench_stringshare.c \
 eina_bench_convert.c \
 eina_bench_mempool.c \

diff --git a/src/benchmarks/eina/eina_bench.c b/src/benchmarks/eina/eina_bench.c
index dec210e..1ca7e51 100644 (file)
--- a/src/benchmarks/eina/eina_bench.c
+++ b/src/benchmarks/eina/eina_bench.c
@@ -37,6 +37,9 @@ struct _Eina_Benchmark_Case
 
 static const Eina_Benchmark_Case etc[] = {
    { "Hash", eina_bench_hash, EINA_TRUE },
+   { "Hash_Short_Key", eina_bench_crc_hash_short, EINA_TRUE },
+   { "Hash_Medium_Key", eina_bench_crc_hash_medium, EINA_TRUE },
+   { "Hash_Large_key", eina_bench_crc_hash_large, EINA_TRUE },
    { "Array vs List vs Inlist", eina_bench_array, EINA_TRUE },
    { "Stringshare", eina_bench_stringshare, EINA_TRUE },
    { "Convert", eina_bench_convert, EINA_TRUE },

diff --git a/src/benchmarks/eina/eina_bench.h b/src/benchmarks/eina/eina_bench.h
index d575822..f076d41 100644 (file)
--- a/src/benchmarks/eina/eina_bench.h
+++ b/src/benchmarks/eina/eina_bench.h
@@ -21,7 +21,12 @@
 
 #include "eina_benchmark.h"
 
+int key_size;
+
 void eina_bench_hash(Eina_Benchmark *bench);
+void eina_bench_crc_hash_short(Eina_Benchmark *bench);
+void eina_bench_crc_hash_medium(Eina_Benchmark *bench);
+void eina_bench_crc_hash_large(Eina_Benchmark *bench);
 void eina_bench_array(Eina_Benchmark *bench);
 void eina_bench_stringshare(Eina_Benchmark *bench);
 void eina_bench_convert(Eina_Benchmark *bench);

diff --git a/src/benchmarks/eina/eina_bench_crc_hash.c b/src/benchmarks/eina/eina_bench_crc_hash.c
new file mode 100644 (file)
index 0000000..b673448
--- /dev/null
+++ b/src/benchmarks/eina/eina_bench_crc_hash.c
@@ -0,0 +1,279 @@
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+
+#ifdef EINA_BENCH_HAVE_GLIB
+# include <glib.h>
+#endif
+
+#include <Eina.h>
+#include "Evas_Data.h"
+#include "Ecore_Data.h"
+
+#include "eina_hash.h"
+#include "eina_array.h"
+#include "eina_bench.h"
+#include "eina_rbtree.h"
+#include "eina_convert.h"
+
+#ifdef CITYHASH_BENCH
+// Hash function for a byte array.
+uint64_t CityHash64(const char *buf, size_t len);
+#endif
+
+char *key_str=NULL;
+
+void repchar(int n)
+{
+   key_str = (char *)malloc(n);
+   int i;
+
+   for (i = 0; i < n; i++)
+      key_str[i] = 'a';
+}
+
+static void
+eina_bench_murmur_hash(int request)
+{
+   unsigned int i;
+
+   for (i = 0; i < (unsigned int)request; ++i)
+     {
+        char tmp_key[key_size];
+
+        eina_convert_itoa(i, tmp_key);
+        eina_strlcat(tmp_key, key_str, key_size);
+
+        eina_hash_murmur3(tmp_key, key_size);
+     }
+}
+
+#ifdef CITYHASH_BENCH
+static void
+eina_bench_cityhash(int request)
+{
+   unsigned int i;
+
+   for (i = 0; i < (unsigned int)request; ++i)
+     {
+        char tmp_key[key_size];
+
+        eina_convert_itoa(i, tmp_key);
+        eina_strlcat(tmp_key, key_str, key_size);
+
+        CityHash64(tmp_key, key_size);
+     }
+}
+#endif
+
+static void
+eina_bench_superfast_hash(int request)
+{
+   unsigned int i;
+
+   for (i = 0; i < (unsigned int)request; ++i)
+     {
+        char tmp_key[key_size];
+
+        eina_convert_itoa(i, tmp_key);
+        eina_strlcat(tmp_key, key_str, key_size);
+
+        eina_hash_superfast(tmp_key, key_size);
+     }
+}
+
+static void
+eina_bench_crchash(int request)
+{
+   unsigned int i;
+
+   for (i = 0; i < (unsigned int)request; ++i)
+     {
+        char tmp_key[key_size];
+
+        eina_convert_itoa(i, tmp_key);
+        eina_strlcat(tmp_key, key_str, key_size);
+
+        eina_hash_crc(tmp_key, key_size);
+     }
+}
+
+static void
+eina_bench_djb2_hash(int request)
+{
+   unsigned int i;
+
+   for (i = 0; i < (unsigned int)request; ++i)
+     {
+        char tmp_key[key_size];
+
+        eina_convert_itoa(i, tmp_key);
+        eina_strlcat(tmp_key, key_str, key_size);
+
+        eina_hash_djb2(tmp_key, key_size);
+     }
+}
+
+#ifdef EINA_BENCH_HAVE_GLIB
+static void
+eina_bench_ghash(int request)
+{
+   unsigned int i;
+
+   for (i = 0; i < (unsigned int)request; ++i)
+     {
+        char tmp_key[key_size];
+
+        eina_convert_itoa(i, tmp_key);
+        eina_strlcat(tmp_key, key_str, key_size);
+
+        g_str_hash(key_str);
+     }
+}
+#endif
+
+int
+evas_hash_gen(const char *key)
+{
+   unsigned int hash_num = 5381;
+   const unsigned char *ptr;
+
+   if (!key)
+      return 0;
+
+   for (ptr = (unsigned char *)key; *ptr; ptr++)
+      hash_num = (hash_num * 33) ^ *ptr;
+
+   hash_num &= 0xff;
+   return (int)hash_num;
+}
+
+static void
+eina_bench_evas_hash(int request)
+{
+   unsigned int i;
+
+   for (i = 0; i < (unsigned int)request; ++i)
+     {
+        char tmp_key[key_size];
+
+        eina_convert_itoa(i, tmp_key);
+        eina_strlcat(tmp_key, key_str, key_size);
+
+        evas_hash_gen(tmp_key);
+     }
+}
+
+typedef struct _Eina_Bench_Ecore Eina_Bench_Ecore;
+struct _Eina_Bench_Ecore
+{
+   char *key;
+   int value;
+};
+
+void eina_bench_crc_hash_short(Eina_Benchmark *bench)
+{
+   key_size = 8; /* Length of string for small strings and pointers */
+   key_size -= 5;
+   repchar(key_size);
+
+   eina_benchmark_register(bench, "superfast-lookup",
+                           EINA_BENCHMARK(
+                              eina_bench_superfast_hash),   10, 80000, 10);
+   eina_benchmark_register(bench, "djb2-lookup",
+                           EINA_BENCHMARK(
+                             eina_bench_djb2_hash),        10, 80000, 10);
+   eina_benchmark_register(bench, "murmur",
+                           EINA_BENCHMARK(
+                              eina_bench_murmur_hash),      10, 80000, 10);
+   eina_benchmark_register(bench, "crchash",
+                           EINA_BENCHMARK(
+                             eina_bench_crchash),         10, 80000, 10);
+#ifdef CITYHASH_BENCH
+   eina_benchmark_register(bench, "cityhash",
+                           EINA_BENCHMARK(
+                              eina_bench_cityhash),    10, 80000, 10);
+#endif
+
+#ifdef EINA_BENCH_HAVE_GLIB
+   eina_benchmark_register(bench, "ghash-lookup",
+                           EINA_BENCHMARK(
+                              eina_bench_ghash),       10, 80000, 10);
+#endif
+   eina_benchmark_register(bench, "evas-lookup",
+                           EINA_BENCHMARK(
+                              eina_bench_evas_hash),        10, 80000, 10);
+}
+
+void eina_bench_crc_hash_medium(Eina_Benchmark *bench)
+{
+   key_size = 32; /* Length of medium sized string, normally for filenames */
+   key_size -= 5;
+   repchar(key_size);
+
+   eina_benchmark_register(bench, "superfast-lookup",
+                           EINA_BENCHMARK(
+                              eina_bench_superfast_hash),   10, 80000, 10);
+   eina_benchmark_register(bench, "djb2-lookup",
+                           EINA_BENCHMARK(
+                             eina_bench_djb2_hash),        10, 80000, 10);
+   eina_benchmark_register(bench, "murmur",
+                           EINA_BENCHMARK(
+                              eina_bench_murmur_hash),      10, 80000, 10);
+   eina_benchmark_register(bench, "crchash",
+                           EINA_BENCHMARK(
+                             eina_bench_crchash),         10, 80000, 10);
+#ifdef CITYHASH_BENCH
+   eina_benchmark_register(bench, "cityhash",
+                           EINA_BENCHMARK(
+                              eina_bench_cityhash),    10, 80000, 10);
+#endif
+
+#ifdef EINA_BENCH_HAVE_GLIB
+   eina_benchmark_register(bench, "ghash-lookup",
+                           EINA_BENCHMARK(
+                              eina_bench_ghash),       10, 80000, 10);
+#endif
+   eina_benchmark_register(bench, "evas-lookup",
+                           EINA_BENCHMARK(
+                              eina_bench_evas_hash),        10, 80000, 10);
+}
+
+void eina_bench_crc_hash_large(Eina_Benchmark *bench)
+{
+   key_size = 256; /* Length of large strings, normally for filepath */
+   key_size -= 5;
+   repchar(key_size);
+
+   eina_benchmark_register(bench, "superfast-lookup",
+                           EINA_BENCHMARK(
+                              eina_bench_superfast_hash),   10, 80000, 10);
+   eina_benchmark_register(bench, "djb2-lookup",
+                           EINA_BENCHMARK(
+                             eina_bench_djb2_hash),        10, 80000, 10);
+   eina_benchmark_register(bench, "murmur",
+                           EINA_BENCHMARK(
+                              eina_bench_murmur_hash),      10, 80000, 10);
+   eina_benchmark_register(bench, "crchash",
+                           EINA_BENCHMARK(
+                             eina_bench_crchash),         10, 80000, 10);
+#ifdef CITYHASH_BENCH
+   eina_benchmark_register(bench, "cityhash",
+                           EINA_BENCHMARK(
+                              eina_bench_cityhash),    10, 80000, 10);
+#endif
+
+#ifdef EINA_BENCH_HAVE_GLIB
+   eina_benchmark_register(bench, "ghash-lookup",
+                           EINA_BENCHMARK(
+                              eina_bench_ghash),       10, 80000, 10);
+#endif
+   eina_benchmark_register(bench, "evas-lookup",
+                           EINA_BENCHMARK(
+                              eina_bench_evas_hash),        10, 80000, 10);
+}