[GitHub] [incubator-tvm] masahi commented on a change in pull request #6302: [tvmc] command line driver 'compile' (part 2/4)

[GitBox <gi...@apache.org>]

masahi commented on a change in pull request #6302:
URL: https://github.com/apache/incubator-tvm/pull/6302#discussion_r482881831



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File path: python/tvm/driver/tvmc/compiler.py
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@@ -0,0 +1,407 @@
+# 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.
+"""
+Provides support to compile networks both AOT and JIT.
+"""
+import argparse
+import logging
+import tarfile
+from pathlib import Path
+
+import tvm
+from tvm import autotvm
+from tvm import relay
+from tvm._ffi.runtime_ctypes import TVMContext
+from tvm.contrib import cc
+from tvm.contrib import util
+from tvm.relay.op.contrib import get_pattern_table
+
+from . import common, frontends
+from .main import register_parser
+
+# A dictionary of target aliases to simplify the command lines provided by end users
+TARGET_ALIASES = {
+    "aarch64": "llvm -device=arm_cpu -mtriple=aarch64-linux-gnu -mattr=+neon"
+}
+
+#  A list of valid targets (including aliases) to be used in "--target"
+VALID_TARGETS = ["aarch64", "llvm"]
+
+DEFAULT_TARGET = "llvm"
+DUMP_FORMATS = ["relay", "ll", "asm"]
+
+
+def parse_target(targets_str):
+    """ Parsing function for comma separated target syntax. """
+    targets = targets_str.split(",")
+    for target in targets:
+        if target not in VALID_TARGETS:
+            raise argparse.ArgumentTypeError(f"unrecognized target: {target}")
+    return targets
+
+
+@register_parser
+def add_compile_parser(subparsers):
+    """ Include parser for 'compile' subcommand """
+
+    parser = subparsers.add_parser("compile", help="compile a model")
+    parser.set_defaults(func=drive_compile)
+    parser.add_argument(
+        "--cross-compiler",
+        default="",
+        help="the cross compiler to use to generate target libraries",
+    )
+    parser.add_argument(
+        "--dump-codegen", default="", choices=DUMP_FORMATS, help="dump generated code"
+    )
+    parser.add_argument(
+        "--language",
+        choices=frontends.get_frontends(),
+        help="specify input language",
+    )
+    parser.add_argument(
+        "--input-shape",
+        type=common.parse_input_shapes,
+        metavar="INPUT_SHAPE,[INPUT_SHAPE]...",
+        help="for pytorch, e.g. '(1,3,224,224)'",

Review comment:
       Yes, try adding
   
   ```
   def get_input_size(traced_model):
       inputs = list(traced_model.graph.inputs())[1:]
       return [inp.type().sizes() for inp in inputs]
   
   print(get_input_size(scripted_model))
   ```
   
   at https://github.com/apache/incubator-tvm/blob/master/tutorials/frontend/from_pytorch.py#L66




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