| 16 | |
| 17 | |
| 18 | class MPS_Accelerator(DeepSpeedAccelerator): |
| 19 | |
| 20 | def __init__(self): |
| 21 | self._name = "mps" |
| 22 | self._communication_backend_name = None |
| 23 | self._compile_backend = "inductor" |
| 24 | |
| 25 | def is_synchronized_device(self): |
| 26 | return False |
| 27 | |
| 28 | def use_host_timers(self): |
| 29 | # Event timers are not supported on MPS |
| 30 | return True |
| 31 | |
| 32 | def resolves_data_dependency(self): |
| 33 | return self.is_synchronized_device() |
| 34 | |
| 35 | def handles_memory_backpressure(self): |
| 36 | return self.is_synchronized_device() |
| 37 | |
| 38 | # Device APIs |
| 39 | def device_name(self, device_index=None): |
| 40 | if device_index is None: |
| 41 | return "mps" |
| 42 | return "mps:{}".format(device_index) |
| 43 | |
| 44 | def device(self, device_index): |
| 45 | return torch.device("mps", index=0) |
| 46 | |
| 47 | def set_device(self, device_index): |
| 48 | return |
| 49 | |
| 50 | def current_device(self): |
| 51 | return torch.device("mps", index=0) |
| 52 | |
| 53 | def current_device_name(self): |
| 54 | return "mps:0" |
| 55 | |
| 56 | def device_count(self): |
| 57 | return 1 |
| 58 | |
| 59 | def synchronize(self, device_index=None): |
| 60 | return torch.mps.synchronize() |
| 61 | |
| 62 | # RNG APIs |
| 63 | def random(self): |
| 64 | return torch.random |
| 65 | |
| 66 | def set_rng_state(self, new_state, device_index=None): |
| 67 | return torch.mps.set_rng_state(new_state) |
| 68 | |
| 69 | def get_rng_state(self, device_index=None): |
| 70 | return torch.mps.get_rng_state() |
| 71 | |
| 72 | def manual_seed(self, seed): |
| 73 | return torch.mps.manual_seed(seed) |
| 74 | |
| 75 | def manual_seed_all(self, seed): |
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