scheduler.cc revision 11308:7d8836fd043d 
1/*
2 * Copyright (c) 2014-2015 Advanced Micro Devices, Inc.
3 * All rights reserved.
4 *
5 * For use for simulation and test purposes only
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright notice,
14 * this list of conditions and the following disclaimer in the documentation
15 * and/or other materials provided with the distribution.
16 *
17 * 3. Neither the name of the copyright holder nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 *
33 * Author: Sooraj Puthoor
34 */
35
36#include "gpu-compute/scheduler.hh"
37
38Scheduler::Scheduler(const ComputeUnitParams *p)
39{
40    if (p->execPolicy  == "OLDEST-FIRST") {
41        schedPolicy = SCHED_POLICY::OF_POLICY;
42    } else if (p->execPolicy  == "ROUND-ROBIN") {
43        schedPolicy = SCHED_POLICY::RR_POLICY;
44    } else {
45        fatal("Unimplemented scheduling policy");
46    }
47}
48
49Wavefront*
50Scheduler::chooseWave()
51{
52    if (schedPolicy == SCHED_POLICY::OF_POLICY) {
53        return OFSchedPolicy.chooseWave();
54    } else if (schedPolicy == SCHED_POLICY::RR_POLICY) {
55        return RRSchedPolicy.chooseWave();
56    } else {
57        fatal("Unimplemented scheduling policy");
58    }
59}
60
61void
62Scheduler::bindList(std::vector<Wavefront*> *list)
63{
64    if (schedPolicy == SCHED_POLICY::OF_POLICY) {
65        OFSchedPolicy.bindList(list);
66    } else if (schedPolicy == SCHED_POLICY::RR_POLICY) {
67        RRSchedPolicy.bindList(list);
68    } else {
69        fatal("Unimplemented scheduling policy");
70    }
71}
72