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
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
/*
* Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
*
* 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.
*/
#ifndef __NEURUN_BACKEND_ACL_CL_CLTIMER_H__
#define __NEURUN_BACKEND_ACL_CL_CLTIMER_H__
#include <util/ITimer.h>
#include <arm_compute/core/CL/OpenCL.h>
#include <arm_compute/runtime/CL/CLScheduler.h>
#include <chrono>
#include <list>
#include <sstream>
namespace neurun
{
namespace backend
{
namespace acl_cl
{
/**
* @brief Class to measure CL kernels execution time
*/
class CLTimer : public util::ITimer
{
public:
/**
* @brief This function replaces CL function, which enqueues a command to execute a kernel
* with a wrapper which remembers enqueued kernels
*/
void handleBegin() override
{
_measured_events.clear();
_origin_enqueue_function = arm_compute::CLSymbols::get().clEnqueueNDRangeKernel_ptr;
auto _timer_enqueue_function = [this](cl_command_queue command_queue, cl_kernel kernel,
cl_uint work_dim, const size_t *gwo, const size_t *gws,
const size_t *lws, cl_uint num_events_in_wait_list,
const cl_event *event_wait_list, cl_event *usr_event) {
cl_event event;
cl_int enqueue_res =
this->_origin_enqueue_function(command_queue, kernel, work_dim, gwo, gws, lws,
num_events_in_wait_list, event_wait_list, &event);
this->_measured_events.emplace_back(event);
// According to spec, if NULL was provided in usr_event - event shouldn't be returned
if (usr_event != nullptr)
{
clRetainEvent(event);
*usr_event = event;
}
return enqueue_res;
};
arm_compute::CLSymbols::get().clEnqueueNDRangeKernel_ptr = _timer_enqueue_function;
// Set CL_QUEUE_PROFILING_ENABLE flag for the CL command-queue, if it isn't already set
auto &cl_scheduler = arm_compute::CLScheduler::get();
auto props = cl_scheduler.queue().getInfo<CL_QUEUE_PROPERTIES>();
if ((props & CL_QUEUE_PROFILING_ENABLE) == 0)
{
cl_scheduler.set_queue(
cl::CommandQueue(cl_scheduler.context(), props | CL_QUEUE_PROFILING_ENABLE));
}
};
/**
* @brief Get timer result by addition executed CL kernels durations
*/
void handleEnd() override
{
_timer_res = 0;
for (auto const &event : _measured_events)
{
cl_ulong start;
cl_ulong end;
event.getProfilingInfo(CL_PROFILING_COMMAND_START, &start);
event.getProfilingInfo(CL_PROFILING_COMMAND_END, &end);
_timer_res += (end - start) / 1000.f; // nanoseconds -> microseconds
}
// Restore origin CL enqueue function
arm_compute::CLSymbols::get().clEnqueueNDRangeKernel_ptr = _origin_enqueue_function;
};
private:
std::function<decltype(clEnqueueNDRangeKernel)> _origin_enqueue_function;
std::list<::cl::Event> _measured_events;
};
} // namespace acl_cl
} // namespace backend
} // namespace neurun
#endif // __NEURUN_BACKEND_ACL_CL_CLTIMER_H__
|
