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Introduce module_loader to AutoTVM. (apache#7337)
* Introduce code_loader to AutoTVM. * Prepares for autotuning with microTVM, and provides extension hook for VTA. * add vta hook * git-black * pylint * Add missing import * Fix import problem * add missing import * rename code_loader to module_loader * rename remote_kw to remote_kwargs * black format
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# Licensed to the Apache Software Foundation (ASF) under one | ||
# or more contributor license agreements. See the NOTICE file | ||
# distributed with this work for additional information | ||
# regarding copyright ownership. The ASF licenses this file | ||
# to you under the Apache License, Version 2.0 (the | ||
# "License"); you may not use this file except in compliance | ||
# with the License. You may obtain a copy of the License at | ||
# | ||
# http://www.apache.org/licenses/LICENSE-2.0 | ||
# | ||
# Unless required by applicable law or agreed to in writing, | ||
# software distributed under the License is distributed on an | ||
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
# KIND, either express or implied. See the License for the | ||
# specific language governing permissions and limitations | ||
# under the License. | ||
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"""Defines AutoTVM components used with VTA.""" | ||
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from tvm.autotvm.measure import default_module_loader | ||
from . import rpc_client | ||
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def module_loader(bitstream=None): | ||
"""Construct a ModuleLoader implementation specialized for VTA. | ||
Parameters | ||
---------- | ||
bitsream : Optional[str] | ||
Path to the bitstream to write prior to uploading code. | ||
Returns | ||
------- | ||
ModuleLoader : | ||
The ModuleLoader instance. | ||
""" | ||
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def reprogram_fpga(remote, _build_result): | ||
"""default_module_loader callback which reprograms the FPGA. | ||
Parameters | ||
---------- | ||
remote : tvm.rpc.RPCSession | ||
RPC session established to the remote device. | ||
_build_result : tvm.autotvm.measure.measure_methods.BuildResult | ||
Artifact from the build phase, unused here. | ||
""" | ||
rpc_client.program_bitstream(remote, bitstream) | ||
rpc_client.reconfig_runtime(remote) | ||
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return default_module_loader(reprogram_fpga) |
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