scheduler.cc revision 11308
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