-
Notifications
You must be signed in to change notification settings - Fork 3
/
bench.h
60 lines (49 loc) · 2.37 KB
/
bench.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
/******************************************************************************
* *
* Copyright 2020-2021 Meng-Shan Jiang *
* *
* Licensed under the Apache License, Version 2.0 (the "License"); *
* you may not use this file except in compliance with the License. *
* You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, *
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
* See the License for the specific language governing permissions and *
* limitations under the License. *
* *
*****************************************************************************/
#pragma once
#include "config.h"
#if defined(__GNUC__) && defined(ARCH_AARCH64)
#include "sys/time.h"
#define BENCH_VARS \
u64 start_ticks, end_ticks; \
int64_t start_time, end_time
#define COUNTER_START() \
__asm__ volatile \
("isb \n" \
"mrs %0, cntvct_el0 \n" \
: "=r" (start_ticks))
#define COUNTER_STOP() \
__asm__ volatile \
("isb \n" \
"mrs %0, cntvct_el0 \n" \
: "=r" (end_ticks))
static inline int64_t gettime_i64()
{
struct timeval tv;
gettimeofday(&tv, NULL);
return tv.tv_sec * 1000000UL + tv.tv_usec;
}
#define TIMER_START() \
start_time = gettime_i64()
#define TIMER_STOP() \
end_time = gettime_i64()
#define TICKS() (end_ticks - start_ticks)
#define USEC() (end_time - start_time)
#else
#error "timer not implemented."
#endif