wehub-resource-sync
139 lines
4.7 KiB
Python
139 lines
4.7 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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"""The Relax Adreno GPU backend compilation pipeline and other passes."""
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import tvm
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from tvm import relax
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from tvm.relax.transform.legalize_ops import adreno as legalize_adreno
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def library_dispatch_passes(target: tvm.target.Target): # pylint: disable=unused-argument
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"""The default library dispatch passes for Adreno GPU backend."""
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if "clml" in target.keys:
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return [
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relax.backend.adreno.clml.OpenCLMLOffLoadForLLM(target),
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relax.backend.adreno.clml.OpenCLMLOffLoad(),
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]
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else:
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return []
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def legalize_passes(target: tvm.target.Target): # pylint: disable=unused-argument
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"""The default legalization passes for Adreno GPU backend."""
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desired_layouts = {"relax.nn.conv2d": ["NCHW4c", "OIHW4o", "NCHW4c"]}
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skip_ops = [
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"relax.nn.conv2d",
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"relax.nn.max_pool2d",
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"relax.nn.adaptive_avg_pool2d",
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]
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pass_list = []
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pass_list.extend(
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[
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tvm.tirx.transform.BindTarget(tvm.target.Target.current(allow_none=False)),
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relax.transform.DecomposeOpsForInference(),
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]
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)
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if "texture" in target.keys:
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pass_list.extend(
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[
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relax.transform.ConvertLayout(desired_layouts),
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relax.transform.Normalize(),
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relax.transform.FoldConstant(),
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relax.transform.LegalizeOps(skip_ops=skip_ops),
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relax.transform.AnnotateTIROpPattern(),
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relax.backend.adreno.transform.AnnotateCustomMemoryScope(target),
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]
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)
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pass_list.extend([tvm.relax.transform.LegalizeOps()])
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if "texture" in target.keys:
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pass_list.extend(
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[
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relax.transform.LegalizeOps(
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{"relax.nn.conv2d": legalize_adreno.conv2d_NCHWc_OIHWo},
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)
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]
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)
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pass_list.extend(
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[
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relax.transform.AnnotateTIROpPattern(),
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relax.transform.FoldConstant(),
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relax.transform.FuseOps(),
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relax.transform.FuseTIR(),
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relax.transform.DeadCodeElimination(),
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]
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)
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if "texture" in target.keys:
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pass_list.extend(
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[
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relax.backend.adreno.transform.FoldVDeviceScopeChange(),
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relax.transform.DeadCodeElimination(),
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relax.transform.SpecializePrimFuncBasedOnCallSite(),
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]
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)
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from tvm.s_tir import dlight as dl # pylint: disable=import-outside-toplevel
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pass_list.extend([relax.transform.Normalize()])
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pass_list.extend(
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[
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dl.ApplyDefaultSchedule(
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dl.adreno.Conv2d(),
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dl.adreno.LayoutTransform(),
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dl.adreno.Pool2D(),
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)
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]
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)
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pass_list.extend(
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[
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dl.ApplyDefaultSchedule(
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dl.gpu.Reduction(),
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dl.gpu.GeneralReduction(),
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dl.gpu.Fallback(),
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)
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]
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)
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return pass_list
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def dataflow_lower_passes(target: tvm.target.Target): # pylint: disable=unused-argument
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"""The default dataflow lowering passes for Adreno GPU backend."""
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return relax.backend.gpu_generic.dataflow_lower_passes(target)
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def finalize_passes(target: tvm.target.Target): # pylint: disable=unused-argument
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"""The default finalization passes for Adreno GPU backend."""
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return relax.backend.gpu_generic.finalize_passes(target)
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def get_default_pipeline(target: tvm.target.Target):
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"""Return the default compilation pipeline for Adreno GPU."""
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@tvm.transform.module_pass(opt_level=0)
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def _pipeline(mod: tvm.ir.IRModule, _ctx: tvm.transform.PassContext):
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with target:
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seq = tvm.transform.Sequential(
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library_dispatch_passes(target)
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+ legalize_passes(target)
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+ dataflow_lower_passes(target)
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+ finalize_passes(target)
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)
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mod = seq(mod)
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return mod
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return _pipeline
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