diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gpu-compute/SConscript | 2 | ||||
| -rw-r--r-- | src/gpu-compute/of_scheduling_policy.cc | 76 | ||||
| -rw-r--r-- | src/gpu-compute/of_scheduling_policy.hh | 64 | ||||
| -rw-r--r-- | src/gpu-compute/rr_scheduling_policy.cc | 67 | ||||
| -rw-r--r-- | src/gpu-compute/rr_scheduling_policy.hh | 61 | ||||
| -rw-r--r-- | src/gpu-compute/schedule_stage.cc | 3 | ||||
| -rw-r--r-- | src/gpu-compute/scheduler.cc | 43 | ||||
| -rw-r--r-- | src/gpu-compute/scheduler.hh | 39 | ||||
| -rw-r--r-- | src/gpu-compute/scheduling_policy.hh | 50 |
9 files changed, 151 insertions, 254 deletions
diff --git a/src/gpu-compute/SConscript b/src/gpu-compute/SConscript index 8cf1ed8cf..73d0a6654 100644 --- a/src/gpu-compute/SConscript +++ b/src/gpu-compute/SConscript @@ -65,9 +65,7 @@ Source('hsa_object.cc') Source('kernel_cfg.cc') Source('lds_state.cc') Source('local_memory_pipeline.cc') -Source('of_scheduling_policy.cc') Source('pool_manager.cc') -Source('rr_scheduling_policy.cc') Source('schedule_stage.cc') Source('scheduler.cc') Source('scoreboard_check_stage.cc') diff --git a/src/gpu-compute/of_scheduling_policy.cc b/src/gpu-compute/of_scheduling_policy.cc deleted file mode 100644 index 7f114706a..000000000 --- a/src/gpu-compute/of_scheduling_policy.cc +++ /dev/null @@ -1,76 +0,0 @@ -/* - * Copyright (c) 2014-2015 Advanced Micro Devices, Inc. - * All rights reserved. - * - * For use for simulation and test purposes only - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * - * 3. Neither the name of the copyright holder nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - * Author: Sooraj Puthoor - */ - -#include "gpu-compute/of_scheduling_policy.hh" - -#include "gpu-compute/wavefront.hh" - -Wavefront* -OFSchedulingPolicy::chooseWave() -{ - // Set when policy choose a wave to schedule - bool waveChosen = false; - Wavefront *selectedWave = nullptr; - int selectedWaveID = -1; - uint32_t selectedPosition = 0; - - for (int position = 0; position < scheduleList->size(); ++position) { - Wavefront *curWave = scheduleList->at(position); - uint32_t curWaveID = curWave->wfDynId; - - // Choosed wave with the lowest wave ID - if (selectedWaveID == -1 || curWaveID < selectedWaveID) { - waveChosen = true; - selectedWaveID = curWaveID; - selectedWave = curWave; - selectedPosition = position; - } - } - - // Check to make sure ready list had atleast one schedulable wave - if (waveChosen) { - scheduleList->erase(scheduleList->begin() + selectedPosition); - } else { - panic("Empty ready list"); - } - - return selectedWave; -} - -void -OFSchedulingPolicy::bindList(std::vector<Wavefront*> *list) -{ - scheduleList = list; -} diff --git a/src/gpu-compute/of_scheduling_policy.hh b/src/gpu-compute/of_scheduling_policy.hh index 94b5fdcd7..34d46867f 100644 --- a/src/gpu-compute/of_scheduling_policy.hh +++ b/src/gpu-compute/of_scheduling_policy.hh @@ -1,5 +1,5 @@ /* - * Copyright (c) 2014-2015 Advanced Micro Devices, Inc. + * Copyright (c) 2014-2017 Advanced Micro Devices, Inc. * All rights reserved. * * For use for simulation and test purposes only @@ -14,9 +14,9 @@ * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * - * 3. Neither the name of the copyright holder nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. + * 3. Neither the name of the copyright holder nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE @@ -30,32 +30,54 @@ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * - * Author: Sooraj Puthoor + * Authors: Sooraj Puthoor, + * Anthony Gutierrez */ -#ifndef __OF_SCHEDULING_POLICY_HH__ -#define __OF_SCHEDULING_POLICY_HH__ +#ifndef __GPU_COMPUTE_OF_SCHEDULING_POLICY_HH__ +#define __GPU_COMPUTE_OF_SCHEDULING_POLICY_HH__ -#include <cstddef> #include <vector> -#include "base/logging.hh" +#include "gpu-compute/scheduling_policy.hh" +#include "gpu-compute/wavefront.hh" -class Wavefront; - -// Oldest First where age is marked by the wave id -class OFSchedulingPolicy +// oldest first where age is marked by the wave id +class OFSchedulingPolicy final : public __SchedulingPolicy<OFSchedulingPolicy> { public: - OFSchedulingPolicy() : scheduleList(nullptr) { } + OFSchedulingPolicy() + { + } + + static Wavefront* + __chooseWave(std::vector<Wavefront*> *sched_list) + { + panic_if(!sched_list->size(), "OF scheduling policy sched list is " + "empty.\n"); + // set when policy choose a wave to schedule + Wavefront *selected_wave(nullptr); + int selected_wave_id = -1; + int selected_position = 0; + + for (int position = 0; position < sched_list->size(); ++position) { + Wavefront *cur_wave = sched_list->at(position); + int cur_wave_id = cur_wave->wfDynId; + + // Choosed wave with the lowest wave ID + if (selected_wave_id == -1 || cur_wave_id < selected_wave_id) { + selected_wave_id = cur_wave_id; + selected_wave = cur_wave; + selected_position = position; + } + } - Wavefront* chooseWave(); - void bindList(std::vector<Wavefront*> *list); + // Check to make sure ready list had at least one schedulable wave + panic_if(!selected_wave, "No wave found by OF scheduling policy.\n"); + sched_list->erase(sched_list->begin() + selected_position); - private: - // List of waves which are participating in scheduling. - // This scheduler selects the oldest wave from this list - std::vector<Wavefront*> *scheduleList; + return selected_wave; + } }; -#endif // __OF_SCHEDULING_POLICY_HH__ +#endif // __GPU_COMPUTE_OF_SCHEDULING_POLICY_HH__ diff --git a/src/gpu-compute/rr_scheduling_policy.cc b/src/gpu-compute/rr_scheduling_policy.cc deleted file mode 100644 index 5d3591901..000000000 --- a/src/gpu-compute/rr_scheduling_policy.cc +++ /dev/null @@ -1,67 +0,0 @@ -/* - * Copyright (c) 2014-2015 Advanced Micro Devices, Inc. - * All rights reserved. - * - * For use for simulation and test purposes only - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * - * 3. Neither the name of the copyright holder nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - * Author: Sooraj Puthoor - */ - -#include "gpu-compute/rr_scheduling_policy.hh" - -#include "gpu-compute/wavefront.hh" - -Wavefront* -RRSchedulingPolicy::chooseWave() -{ - Wavefront *selectedWave = nullptr; - - // Check to make sure ready list had atleast one schedulable wave - if (scheduleList->size()) { - // For RR policy, select the wave which is at the - // front of the list. The selected wave is popped - // out from the schedule list immediately after selection - // to avoid starvation. It is the responsibility of the - // module invoking the RR scheduler to make surei scheduling - // eligible waves are added to the back of the schedule - // list - selectedWave = scheduleList->front(); - scheduleList->erase(scheduleList->begin() + 0); - } else { - panic("Empty ready list"); - } - - return selectedWave; -} - -void -RRSchedulingPolicy::bindList(std::vector<Wavefront*> *list) -{ - scheduleList = list; -} diff --git a/src/gpu-compute/rr_scheduling_policy.hh b/src/gpu-compute/rr_scheduling_policy.hh index 3e83748da..a6ee383a5 100644 --- a/src/gpu-compute/rr_scheduling_policy.hh +++ b/src/gpu-compute/rr_scheduling_policy.hh @@ -1,5 +1,5 @@ /* - * Copyright (c) 2014-2015 Advanced Micro Devices, Inc. + * Copyright (c) 2014-2017 Advanced Micro Devices, Inc. * All rights reserved. * * For use for simulation and test purposes only @@ -14,9 +14,9 @@ * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * - * 3. Neither the name of the copyright holder nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. + * 3. Neither the name of the copyright holder nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE @@ -30,36 +30,47 @@ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * - * Author: Sooraj Puthoor + * Authors: Sooraj Puthoor, + * Anthony Gutierrez */ -#ifndef __RR_SCHEDULING_POLICY_HH__ -#define __RR_SCHEDULING_POLICY_HH__ +#ifndef __GPU_COMPUTE_RR_SCHEDULING_POLICY_HH__ +#define __GPU_COMPUTE_RR_SCHEDULING_POLICY_HH__ -#include <inttypes.h> - -#include <cstddef> -#include <utility> #include <vector> -#include "base/logging.hh" - -class Wavefront; +#include "gpu-compute/scheduling_policy.hh" +#include "gpu-compute/wavefront.hh" -// Round-Robin pick among the list of ready waves -class RRSchedulingPolicy +// round-robin pick among the list of ready waves +class RRSchedulingPolicy final : public __SchedulingPolicy<RRSchedulingPolicy> { public: - RRSchedulingPolicy() : scheduleList(nullptr) { } + RRSchedulingPolicy() + { + } + + static Wavefront* + __chooseWave(std::vector<Wavefront*> *sched_list) + { + panic_if(!sched_list->size(), "RR scheduling policy sched list is " + "empty.\n"); + Wavefront *selected_wave(nullptr); - Wavefront* chooseWave(); - void bindList(std::vector<Wavefront*> *list); + /** + * For RR policy, select the wave that is at the front of + * the list. The selected wave is popped out from the schedule + * list immediately after selection to avoid starvation. It + * is the responsibility of the module invoking the RR scheduler + * to make sure it is scheduling eligible waves are added to the + * back of the schedule list. + */ + selected_wave = sched_list->front(); + panic_if(!selected_wave, "No wave found by RR scheduling policy.\n"); + sched_list->erase(sched_list->begin()); - private: - // List of waves which are participating in scheduling. - // This scheduler selects one wave from this list based on - // round robin policy - std::vector<Wavefront*> *scheduleList; + return selected_wave; + } }; -#endif // __RR_SCHEDULING_POLICY_HH__ +#endif // __GPU_COMPUTE_RR_SCHEDULING_POLICY_HH__ diff --git a/src/gpu-compute/schedule_stage.cc b/src/gpu-compute/schedule_stage.cc index 068136026..9f41a5ee5 100644 --- a/src/gpu-compute/schedule_stage.cc +++ b/src/gpu-compute/schedule_stage.cc @@ -45,8 +45,7 @@ ScheduleStage::ScheduleStage(const ComputeUnitParams *p) numMemUnits(p->num_global_mem_pipes + p->num_shared_mem_pipes) { for (int j = 0; j < numSIMDs + numMemUnits; ++j) { - Scheduler newScheduler(p); - scheduler.push_back(newScheduler); + scheduler.emplace_back(p); } } diff --git a/src/gpu-compute/scheduler.cc b/src/gpu-compute/scheduler.cc index 1cd0bfe55..58a62034d 100644 --- a/src/gpu-compute/scheduler.cc +++ b/src/gpu-compute/scheduler.cc @@ -1,5 +1,5 @@ /* - * Copyright (c) 2014-2015 Advanced Micro Devices, Inc. + * Copyright (c) 2014-2017 Advanced Micro Devices, Inc. * All rights reserved. * * For use for simulation and test purposes only @@ -14,9 +14,9 @@ * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * - * 3. Neither the name of the copyright holder nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. + * 3. Neither the name of the copyright holder nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE @@ -30,42 +30,35 @@ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * - * Author: Sooraj Puthoor + * Authors: Sooraj Puthoor, + * Anthony Gutierrez */ #include "gpu-compute/scheduler.hh" +#include "gpu-compute/of_scheduling_policy.hh" +#include "gpu-compute/rr_scheduling_policy.hh" +#include "params/ComputeUnit.hh" + Scheduler::Scheduler(const ComputeUnitParams *p) { - if (p->execPolicy == "OLDEST-FIRST") { - schedPolicy = SCHED_POLICY::OF_POLICY; - } else if (p->execPolicy == "ROUND-ROBIN") { - schedPolicy = SCHED_POLICY::RR_POLICY; + if (p->execPolicy == "OLDEST-FIRST") { + schedPolicy = new OFSchedulingPolicy(); + } else if (p->execPolicy == "ROUND-ROBIN") { + schedPolicy = new RRSchedulingPolicy(); } else { - fatal("Unimplemented scheduling policy"); + fatal("Unimplemented scheduling policy.\n"); } } Wavefront* Scheduler::chooseWave() { - if (schedPolicy == SCHED_POLICY::OF_POLICY) { - return OFSchedPolicy.chooseWave(); - } else if (schedPolicy == SCHED_POLICY::RR_POLICY) { - return RRSchedPolicy.chooseWave(); - } else { - fatal("Unimplemented scheduling policy"); - } + return schedPolicy->chooseWave(scheduleList); } void -Scheduler::bindList(std::vector<Wavefront*> *list) +Scheduler::bindList(std::vector<Wavefront*> *sched_list) { - if (schedPolicy == SCHED_POLICY::OF_POLICY) { - OFSchedPolicy.bindList(list); - } else if (schedPolicy == SCHED_POLICY::RR_POLICY) { - RRSchedPolicy.bindList(list); - } else { - fatal("Unimplemented scheduling policy"); - } + scheduleList = sched_list; } diff --git a/src/gpu-compute/scheduler.hh b/src/gpu-compute/scheduler.hh index 148ec9425..467c5bc02 100644 --- a/src/gpu-compute/scheduler.hh +++ b/src/gpu-compute/scheduler.hh @@ -1,5 +1,5 @@ /* - * Copyright (c) 2014-2015 Advanced Micro Devices, Inc. + * Copyright (c) 2014-2017 Advanced Micro Devices, Inc. * All rights reserved. * * For use for simulation and test purposes only @@ -14,9 +14,9 @@ * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * - * 3. Neither the name of the copyright holder nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. + * 3. Neither the name of the copyright holder nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE @@ -30,34 +30,33 @@ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * - * Author: Sooraj Puthoor + * Authors: Sooraj Puthoor, + * Anthony Gutierrez */ -#ifndef __SCHEDULER_HH__ -#define __SCHEDULER_HH__ +#ifndef __GPU_COMPUTE_SCHEDULER_HH__ +#define __GPU_COMPUTE_SCHEDULER_HH__ + +#include <vector> -#include "gpu-compute/of_scheduling_policy.hh" -#include "gpu-compute/rr_scheduling_policy.hh" #include "gpu-compute/scheduling_policy.hh" -#include "params/ComputeUnit.hh" -enum SCHED_POLICY -{ - OF_POLICY = 0, - RR_POLICY -}; +class ComputeUnitParams; class Scheduler { public: Scheduler(const ComputeUnitParams *params); Wavefront *chooseWave(); - void bindList(std::vector<Wavefront*> *list); + void bindList(std::vector<Wavefront*> *sched_list); private: - SCHED_POLICY schedPolicy; - SchedulingPolicy<RRSchedulingPolicy> RRSchedPolicy; - SchedulingPolicy<OFSchedulingPolicy> OFSchedPolicy; + /** + * Scheduling policy. Currently the model can support oldest-first + * or round-robin scheduling. + */ + SchedulingPolicy *schedPolicy; + std::vector<Wavefront*> *scheduleList; }; -#endif // __SCHEDULER_HH__ +#endif // __GPU_COMPUTE_SCHEDULER_HH__ diff --git a/src/gpu-compute/scheduling_policy.hh b/src/gpu-compute/scheduling_policy.hh index b5e923c62..62fad7ebc 100644 --- a/src/gpu-compute/scheduling_policy.hh +++ b/src/gpu-compute/scheduling_policy.hh @@ -1,5 +1,5 @@ /* - * Copyright (c) 2014-2015 Advanced Micro Devices, Inc. + * Copyright (c) 2014-2017 Advanced Micro Devices, Inc. * All rights reserved. * * For use for simulation and test purposes only @@ -14,9 +14,9 @@ * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * - * 3. Neither the name of the copyright holder nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. + * 3. Neither the name of the copyright holder nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE @@ -30,28 +30,46 @@ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * - * Author: Sooraj Puthoor + * Authors: Sooraj Puthoor, + * Anthony Gutierrez */ -#ifndef __SCHEDULING_POLICY_HH__ -#define __SCHEDULING_POLICY_HH__ +#ifndef __GPU_COMPUTE_SCHEDULING_POLICY_HH__ +#define __GPU_COMPUTE_SCHEDULING_POLICY_HH__ #include <vector> -template<typename Impl> +class Wavefront; + +/** + * Interface class for the wave scheduling policy. + */ class SchedulingPolicy { public: - Wavefront* chooseWave() { return policyImpl.chooseWave(); } + SchedulingPolicy() { } + virtual Wavefront *chooseWave(std::vector<Wavefront*> *sched_list) = 0; +}; + +/** + * Intermediate class that derives from the i-face class, and implements + * its API. It uses the CRTP to take in the actual scheduling policy + * implementation as a template parameter. This allows us to use a pointer + * to SchedulingPolicy and instantiate whichever policy we want. The + * derived policies implement the scheduler arbitration logic using + * the static member method called __chooseWave(); + */ +template<typename Policy> +class __SchedulingPolicy : public SchedulingPolicy +{ + public: + __SchedulingPolicy() { } - void - bindList(std::vector<Wavefront*> *list) + Wavefront* + chooseWave(std::vector<Wavefront*> *sched_list) override { - return policyImpl.bindList(list); + return Policy::__chooseWave(sched_list); } - - private: - Impl policyImpl; }; -#endif // __SCHEDULING_POLICY_HH__ +#endif // __GPU_COMPUTE_SCHEDULING_POLICY_HH__ |