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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>
This commit is contained in:
vivek 2015-04-28 23:29:18 +02:00 committed by Cedric BAIL
parent d63593fc64
commit eec4a7bd0c
4 changed files with 288 additions and 0 deletions
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1
src/benchmarks/eina/Makefile.am
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@ -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 \

3
src/benchmarks/eina/eina_bench.c
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@ -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 },

5
src/benchmarks/eina/eina_bench.h
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@ -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);

279
src/benchmarks/eina/eina_bench_crc_hash.c Normal file
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@ -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);
}