Rickard Bolin | bc6ee58 | 2022-11-04 08:24:29 +0000 | [diff] [blame^] | 1 | # SPDX-FileCopyrightText: Copyright 2020-2021 Arm Limited and/or its affiliates <open-source-office@arm.com> |
Tim Hall | 79d07d2 | 2020-04-27 18:20:16 +0100 | [diff] [blame] | 2 | # |
| 3 | # SPDX-License-Identifier: Apache-2.0 |
| 4 | # |
| 5 | # Licensed under the Apache License, Version 2.0 (the License); you may |
| 6 | # not use this file except in compliance with the License. |
| 7 | # You may obtain a copy of the License at |
| 8 | # |
| 9 | # www.apache.org/licenses/LICENSE-2.0 |
| 10 | # |
| 11 | # Unless required by applicable law or agreed to in writing, software |
| 12 | # distributed under the License is distributed on an AS IS BASIS, WITHOUT |
| 13 | # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | # See the License for the specific language governing permissions and |
| 15 | # limitations under the License. |
Rickard Bolin | bc6ee58 | 2022-11-04 08:24:29 +0000 | [diff] [blame^] | 16 | # |
Tim Hall | 79d07d2 | 2020-04-27 18:20:16 +0100 | [diff] [blame] | 17 | # Description: |
| 18 | # Serialises and packs an NPU subgraph into tensors. |
Diego Russo | ea6111a | 2020-04-14 18:41:58 +0100 | [diff] [blame] | 19 | import numpy as np |
| 20 | |
| 21 | from . import driver_actions |
Tim Hall | 79d07d2 | 2020-04-27 18:20:16 +0100 | [diff] [blame] | 22 | from .data_type import DataType |
Diego Russo | e8a1045 | 2020-04-21 17:39:10 +0100 | [diff] [blame] | 23 | from .nn_graph import PassPlacement |
Louis Verhaard | aee5d75 | 2020-09-30 09:01:52 +0200 | [diff] [blame] | 24 | from .operation import Op |
Diego Russo | e8a1045 | 2020-04-21 17:39:10 +0100 | [diff] [blame] | 25 | from .operation import Operation |
| 26 | from .tensor import MemArea |
Patrik Gustavsson | eca2e95 | 2020-05-27 09:15:11 +0200 | [diff] [blame] | 27 | from .tensor import MemType |
Diego Russo | e8a1045 | 2020-04-21 17:39:10 +0100 | [diff] [blame] | 28 | from .tensor import Tensor |
| 29 | from .tensor import TensorFormat |
| 30 | from .tensor import TensorPurpose |
Tim Hall | 79d07d2 | 2020-04-27 18:20:16 +0100 | [diff] [blame] | 31 | |
| 32 | |
Patrik Gustavsson | eca2e95 | 2020-05-27 09:15:11 +0200 | [diff] [blame] | 33 | def make_memory_tensor(name, mem_area, mem_type, sz, want_values, arch): |
Tim Hall | 79d07d2 | 2020-04-27 18:20:16 +0100 | [diff] [blame] | 34 | tens = Tensor([sz], DataType.uint8, name) |
| 35 | tens.mem_area = mem_area |
Patrik Gustavsson | eca2e95 | 2020-05-27 09:15:11 +0200 | [diff] [blame] | 36 | tens.mem_type = mem_type |
Tim Hall | 79d07d2 | 2020-04-27 18:20:16 +0100 | [diff] [blame] | 37 | tens.purpose = TensorPurpose.FeatureMap |
| 38 | tens.set_format(TensorFormat.NHWC, arch) |
| 39 | if want_values: |
| 40 | tens.values = np.zeros(tens.shape, np.uint8) |
| 41 | return tens |
| 42 | |
| 43 | |
| 44 | def copy_compressed_values_to_memory_tensor(memory_tensor, src_tensor): |
| 45 | start_addr = src_tensor.address |
Tim Hall | d8339a7 | 2021-05-27 18:49:40 +0100 | [diff] [blame] | 46 | end_addr = src_tensor.address + src_tensor.storage_size() |
| 47 | memory_tensor.values[start_addr:end_addr] = src_tensor.buffer.copy() |
Tim Hall | 79d07d2 | 2020-04-27 18:20:16 +0100 | [diff] [blame] | 48 | |
Tim Hall | c30f495 | 2020-06-15 20:47:35 +0100 | [diff] [blame] | 49 | |
Charles Xu | 7879222 | 2020-05-13 10:15:26 +0200 | [diff] [blame] | 50 | def copy_ifm_values_to_memory_tensor(memory_tensor, src_tensor): |
| 51 | start_addr = src_tensor.address |
James Peet | 7519d50 | 2021-07-19 16:47:58 +0100 | [diff] [blame] | 52 | values = src_tensor.values.flatten() |
Fredrik Svedberg | bb1a92a | 2020-08-27 15:51:50 +0200 | [diff] [blame] | 53 | if src_tensor.dtype.size_in_bytes() > 1: |
| 54 | values = np.frombuffer(values.tobytes(), dtype=np.uint8) |
Charles Xu | 9a03fdf | 2020-07-02 15:12:40 +0200 | [diff] [blame] | 55 | end_addr = start_addr + values.size |
| 56 | memory_tensor.values[start_addr:end_addr] = values |
Tim Hall | 79d07d2 | 2020-04-27 18:20:16 +0100 | [diff] [blame] | 57 | |
Tim Hall | c30f495 | 2020-06-15 20:47:35 +0100 | [diff] [blame] | 58 | |
Tim Hall | 03d40a2 | 2021-04-22 12:08:28 +0100 | [diff] [blame] | 59 | def serialise_npu_subgraph_into_tensors(sg, arch, scratch_tens, scratch_fast_tens, flash_tens): |
Tim Hall | 79d07d2 | 2020-04-27 18:20:16 +0100 | [diff] [blame] | 60 | if sg.placement != PassPlacement.Npu: |
Patrik Gustavsson | 3ab9452 | 2020-06-29 17:36:55 +0200 | [diff] [blame] | 61 | return scratch_tens, scratch_fast_tens, flash_tens |
Tim Hall | 79d07d2 | 2020-04-27 18:20:16 +0100 | [diff] [blame] | 62 | |
| 63 | flash_area = arch.permanent_storage_mem_area |
Patrik Gustavsson | eca2e95 | 2020-05-27 09:15:11 +0200 | [diff] [blame] | 64 | scratch_area = arch.feature_map_storage_mem_area |
Patrik Gustavsson | 3ab9452 | 2020-06-29 17:36:55 +0200 | [diff] [blame] | 65 | scratch_fast_area = arch.fast_storage_mem_area |
Tim Hall | 79d07d2 | 2020-04-27 18:20:16 +0100 | [diff] [blame] | 66 | |
| 67 | flash_size = sg.memory_used.get(flash_area, 0) |
| 68 | scratch_size = sg.memory_used.get(scratch_area, 0) |
| 69 | |
Louis Verhaard | 5207830 | 2020-11-18 13:35:06 +0100 | [diff] [blame] | 70 | payload_bytes = driver_actions.create_driver_payload(sg.register_command_stream, arch) |
Tim Hall | 79d07d2 | 2020-04-27 18:20:16 +0100 | [diff] [blame] | 71 | |
| 72 | command_stream_size_bytes = len(payload_bytes) |
| 73 | |
Diego Russo | ea6111a | 2020-04-14 18:41:58 +0100 | [diff] [blame] | 74 | if flash_tens == scratch_tens is None: |
Tim Hall | 79d07d2 | 2020-04-27 18:20:16 +0100 | [diff] [blame] | 75 | # First Npu subgraph, create scratch and flash tensors |
Patrik Gustavsson | eca2e95 | 2020-05-27 09:15:11 +0200 | [diff] [blame] | 76 | sg.scratch_tensor = make_memory_tensor( |
| 77 | sg.name + "_scratch", scratch_area, MemType.Scratch, scratch_size, False, arch |
| 78 | ) |
Tim Hall | 79d07d2 | 2020-04-27 18:20:16 +0100 | [diff] [blame] | 79 | sg.scratch_tensor.purpose = TensorPurpose.Scratch |
Patrik Gustavsson | eca2e95 | 2020-05-27 09:15:11 +0200 | [diff] [blame] | 80 | sg.flash_tensor = make_memory_tensor( |
| 81 | sg.name + "_flash", flash_area, MemType.Permanent_CPU, flash_size, True, arch |
| 82 | ) |
Patrik Gustavsson | 3ab9452 | 2020-06-29 17:36:55 +0200 | [diff] [blame] | 83 | sg.scratch_fast_tensor = make_memory_tensor( |
Jacob Bohlin | 268394d | 2020-08-13 13:24:59 +0200 | [diff] [blame] | 84 | sg.name + "_scratch_fast", scratch_fast_area, MemType.Scratch_fast, 0, False, arch |
Patrik Gustavsson | 3ab9452 | 2020-06-29 17:36:55 +0200 | [diff] [blame] | 85 | ) |
Samuel Panijel | 6f4955a | 2021-06-10 13:40:03 +0300 | [diff] [blame] | 86 | sg.scratch_fast_tensor.purpose = TensorPurpose.ScratchFast |
Tim Hall | 79d07d2 | 2020-04-27 18:20:16 +0100 | [diff] [blame] | 87 | else: |
| 88 | sg.scratch_tensor = scratch_tens |
| 89 | sg.scratch_tensor.shape[0] += scratch_size |
| 90 | sg.flash_tensor = flash_tens |
| 91 | sg.flash_tensor.shape[0] += flash_size |
| 92 | |
Patrik Gustavsson | 3ab9452 | 2020-06-29 17:36:55 +0200 | [diff] [blame] | 93 | sg.scratch_fast_tensor = scratch_fast_tens |
| 94 | sg.scratch_fast_tensor.shape[0] = 0 |
| 95 | |
Tim Hall | d8339a7 | 2021-05-27 18:49:40 +0100 | [diff] [blame] | 96 | for sched_op in sg.sched_ops: |
| 97 | ifm_tensor, ifm2_tensor, _, _, _ = sched_op.parent_op.get_ifm_ifm2_weights_biases_ofm() |
Tim Hall | 79d07d2 | 2020-04-27 18:20:16 +0100 | [diff] [blame] | 98 | |
Tim Hall | d8339a7 | 2021-05-27 18:49:40 +0100 | [diff] [blame] | 99 | op_info = sg.schedule.cost_map[sched_op] |
| 100 | if op_info.npu_weights_tensor: |
| 101 | copy_compressed_values_to_memory_tensor(sg.flash_tensor, op_info.npu_weights_tensor) |
Tim Hall | d784af7 | 2021-06-08 21:25:57 +0100 | [diff] [blame] | 102 | if op_info.npu_scales_tensor: |
| 103 | copy_compressed_values_to_memory_tensor(sg.flash_tensor, op_info.npu_scales_tensor) |
Charles Xu | 7879222 | 2020-05-13 10:15:26 +0200 | [diff] [blame] | 104 | |
Tim Hall | d8339a7 | 2021-05-27 18:49:40 +0100 | [diff] [blame] | 105 | if ifm_tensor and ifm_tensor.mem_type not in (MemType.Scratch, MemType.Scratch_fast): |
| 106 | copy_ifm_values_to_memory_tensor(sg.flash_tensor, ifm_tensor) |
| 107 | if ifm2_tensor and (ifm2_tensor.mem_type not in (MemType.Scratch, MemType.Scratch_fast)): |
| 108 | copy_ifm_values_to_memory_tensor(sg.flash_tensor, ifm2_tensor) |
| 109 | |
| 110 | if sched_op.parent_op.activation_lut: |
| 111 | copy_ifm_values_to_memory_tensor(sg.flash_tensor, sched_op.parent_ps.lut_tensor) |
| 112 | |
Tim Hall | 79d07d2 | 2020-04-27 18:20:16 +0100 | [diff] [blame] | 113 | sg.command_stream_tensor = make_memory_tensor( |
Patrik Gustavsson | eca2e95 | 2020-05-27 09:15:11 +0200 | [diff] [blame] | 114 | sg.name + "_command_stream", flash_area, MemType.Permanent_CPU, command_stream_size_bytes, True, arch |
Tim Hall | 79d07d2 | 2020-04-27 18:20:16 +0100 | [diff] [blame] | 115 | ) |
| 116 | sg.command_stream_tensor.values = np.frombuffer(payload_bytes, dtype=np.uint8) |
| 117 | |
Patrik Gustavsson | 3ab9452 | 2020-06-29 17:36:55 +0200 | [diff] [blame] | 118 | return sg.scratch_tensor, sg.scratch_fast_tensor, sg.flash_tensor |
Tim Hall | 79d07d2 | 2020-04-27 18:20:16 +0100 | [diff] [blame] | 119 | |
| 120 | |
| 121 | def add_const_tens_to_startup_cascaded_pass(startup_cps, tens): |
Louis Verhaard | aee5d75 | 2020-09-30 09:01:52 +0200 | [diff] [blame] | 122 | op = Operation(Op.Const, tens.name + "_const") |
Michael McGeagh | c5b549b | 2020-08-07 11:54:28 +0100 | [diff] [blame] | 123 | op.set_output_tensor(tens) |
Tim Hall | 79d07d2 | 2020-04-27 18:20:16 +0100 | [diff] [blame] | 124 | startup_cps.passes[0].ops.insert(0, op) |
| 125 | startup_cps.passes[0].outputs.insert(0, tens) |
| 126 | startup_cps.outputs.insert(0, tens) |
| 127 | |
| 128 | |
Tim Hall | 03d40a2 | 2021-04-22 12:08:28 +0100 | [diff] [blame] | 129 | def rewrite_npu_call_ops(sg, arch): |
Tim Hall | 79d07d2 | 2020-04-27 18:20:16 +0100 | [diff] [blame] | 130 | if sg.placement != PassPlacement.Cpu: |
| 131 | return |
| 132 | |
| 133 | startup_cps = sg.cascaded_passes[0] |
| 134 | |
| 135 | for idx, cps in enumerate(sg.cascaded_passes): |
| 136 | for ps in cps.passes: |
| 137 | for op in ps.ops: |
Louis Verhaard | aee5d75 | 2020-09-30 09:01:52 +0200 | [diff] [blame] | 138 | if op.type == Op.CustomNpuOp: |
Tim Hall | 79d07d2 | 2020-04-27 18:20:16 +0100 | [diff] [blame] | 139 | callee = op.attrs["subgraph"] |
Tim Hall | 79d07d2 | 2020-04-27 18:20:16 +0100 | [diff] [blame] | 140 | |
| 141 | sz = 0 |
Patrik Gustavsson | 3ab9452 | 2020-06-29 17:36:55 +0200 | [diff] [blame] | 142 | for tens in [ |
| 143 | callee.scratch_fast_tensor, |
| 144 | callee.scratch_tensor, |
| 145 | callee.flash_tensor, |
| 146 | callee.command_stream_tensor, |
| 147 | ]: |
Tim Hall | 79d07d2 | 2020-04-27 18:20:16 +0100 | [diff] [blame] | 148 | op.inputs.insert(0, tens) |
| 149 | ps.inputs.insert(0, tens) |
| 150 | cps.inputs.insert(0, tens) |
Patrik Gustavsson | 3ab9452 | 2020-06-29 17:36:55 +0200 | [diff] [blame] | 151 | if tens != callee.scratch_tensor and tens != callee.scratch_fast_tensor: |
Tim Hall | 79d07d2 | 2020-04-27 18:20:16 +0100 | [diff] [blame] | 152 | add_const_tens_to_startup_cascaded_pass(startup_cps, tens) |
| 153 | sz += tens.storage_size() |
| 154 | |
| 155 | for prev_cps in sg.cascaded_passes[: idx + 1]: |
| 156 | prev_cps.sram_used += sz |
| 157 | |
| 158 | if callee.scratch_tensor is not None: |
Patrik Gustavsson | eca2e95 | 2020-05-27 09:15:11 +0200 | [diff] [blame] | 159 | if callee.scratch_tensor.mem_area == MemArea.Sram: |
| 160 | cps.sram_used += callee.scratch_tensor.storage_size() |
Patrik Gustavsson | 3ab9452 | 2020-06-29 17:36:55 +0200 | [diff] [blame] | 161 | |
| 162 | if callee.scratch_fast_tensor is not None: |
| 163 | if callee.scratch_fast_tensor.mem_area == MemArea.Sram: |
| 164 | cps.sram_used += callee.scratch_fast_tensor.storage_size() |