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/linux/drivers/gpu/drm/amd/amdkfd/ |
H A D | kfd_packet_manager_vi.c | diff 5d7c6f18d2a9262e6daf5dd8806961d32060c976 Mon Jun 29 23:23:24 CEST 2020 Joseph Greathouse <Joseph.Greathouse@amd.com> drm/amdkfd: Update hardware scheduling time quanta
Update PROCESS_QUANTUM, the time the hardware scheduler allows processes to run before switching to other processes when it becomes over-subscribed. Increase this to 10ms, to allow processes to better amortize their task switch times.
Update HQD Quantum, the amount of time that an active queue stays attached to the CP before we forcibly switch it for another active queue for fairness.
Setting these so that HQD < PROCESS makes it easier to ensure that we get fairness when we have multiple active queues on the device. Otherwise we may start process-swapping before we get to all the queues in a CP.
Signed-off-by: Joseph Greathouse <Joseph.Greathouse@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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H A D | kfd_packet_manager_v9.c | diff 5d7c6f18d2a9262e6daf5dd8806961d32060c976 Mon Jun 29 23:23:24 CEST 2020 Joseph Greathouse <Joseph.Greathouse@amd.com> drm/amdkfd: Update hardware scheduling time quanta
Update PROCESS_QUANTUM, the time the hardware scheduler allows processes to run before switching to other processes when it becomes over-subscribed. Increase this to 10ms, to allow processes to better amortize their task switch times.
Update HQD Quantum, the amount of time that an active queue stays attached to the CP before we forcibly switch it for another active queue for fairness.
Setting these so that HQD < PROCESS makes it easier to ensure that we get fairness when we have multiple active queues on the device. Otherwise we may start process-swapping before we get to all the queues in a CP.
Signed-off-by: Joseph Greathouse <Joseph.Greathouse@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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H A D | kfd_mqd_manager_v10.c | diff 5d7c6f18d2a9262e6daf5dd8806961d32060c976 Mon Jun 29 23:23:24 CEST 2020 Joseph Greathouse <Joseph.Greathouse@amd.com> drm/amdkfd: Update hardware scheduling time quanta
Update PROCESS_QUANTUM, the time the hardware scheduler allows processes to run before switching to other processes when it becomes over-subscribed. Increase this to 10ms, to allow processes to better amortize their task switch times.
Update HQD Quantum, the amount of time that an active queue stays attached to the CP before we forcibly switch it for another active queue for fairness.
Setting these so that HQD < PROCESS makes it easier to ensure that we get fairness when we have multiple active queues on the device. Otherwise we may start process-swapping before we get to all the queues in a CP.
Signed-off-by: Joseph Greathouse <Joseph.Greathouse@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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H A D | kfd_mqd_manager_vi.c | diff 5d7c6f18d2a9262e6daf5dd8806961d32060c976 Mon Jun 29 23:23:24 CEST 2020 Joseph Greathouse <Joseph.Greathouse@amd.com> drm/amdkfd: Update hardware scheduling time quanta
Update PROCESS_QUANTUM, the time the hardware scheduler allows processes to run before switching to other processes when it becomes over-subscribed. Increase this to 10ms, to allow processes to better amortize their task switch times.
Update HQD Quantum, the amount of time that an active queue stays attached to the CP before we forcibly switch it for another active queue for fairness.
Setting these so that HQD < PROCESS makes it easier to ensure that we get fairness when we have multiple active queues on the device. Otherwise we may start process-swapping before we get to all the queues in a CP.
Signed-off-by: Joseph Greathouse <Joseph.Greathouse@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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H A D | kfd_mqd_manager_v9.c | diff 5d7c6f18d2a9262e6daf5dd8806961d32060c976 Mon Jun 29 23:23:24 CEST 2020 Joseph Greathouse <Joseph.Greathouse@amd.com> drm/amdkfd: Update hardware scheduling time quanta
Update PROCESS_QUANTUM, the time the hardware scheduler allows processes to run before switching to other processes when it becomes over-subscribed. Increase this to 10ms, to allow processes to better amortize their task switch times.
Update HQD Quantum, the amount of time that an active queue stays attached to the CP before we forcibly switch it for another active queue for fairness.
Setting these so that HQD < PROCESS makes it easier to ensure that we get fairness when we have multiple active queues on the device. Otherwise we may start process-swapping before we get to all the queues in a CP.
Signed-off-by: Joseph Greathouse <Joseph.Greathouse@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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