cyx-6 commented on code in PR #254: URL: https://github.com/apache/tvm-ffi/pull/254#discussion_r2982113833
########## addons/tvm-ffi-orcjit/examples/quick-start/run.py: ########## @@ -0,0 +1,122 @@ +#!/usr/bin/env python3 +# 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. + +"""Quick Start Example - Load and call functions from compiled object files. + +This script demonstrates how to: +1. Create an ExecutionSession instance +2. Create a DynamicLibrary +3. Load a compiled object file (C++ or pure C) +4. Get functions by name +5. Call them like regular Python functions + +Usage: + python run.py # Load C++ object file (add.o) + python run.py --lang c # Load pure C object file (add_c.o) +""" + +import argparse +import sys +from pathlib import Path + +# Use the installed package if available; fall back to source tree for editable dev +try: + from tvm_ffi_orcjit import ExecutionSession +except ImportError: + sys.path.insert(0, str(Path(__file__).parent.parent.parent / "python")) + from tvm_ffi_orcjit import ExecutionSession + + +def main() -> int: + """Run the quick start example.""" + parser = argparse.ArgumentParser(description="Quick Start Example") + parser.add_argument( + "--lang", + choices=["cpp", "c"], + default="cpp", + help="Language variant to load: 'cpp' for add.o (default), 'c' for add_c.o", + ) + args = parser.parse_args() + + # Select object file based on language choice + if args.lang == "c": + obj_file = Path("add_c.o") + else: + obj_file = Path("add.o") + + if not obj_file.exists(): + print(f"Error: {obj_file} not found!") + print("Please build with CMake first:") + print(" cmake -B build && cmake --build build") + return 1 + + print(f"Loading object file: {obj_file} (lang={args.lang})") + + # Create execution session and dynamic library + session = ExecutionSession() + lib = session.create_library() + lib.add(str(obj_file)) + + print("Object file loaded successfully\n") + + # Get and call the 'add' function + print("=== Testing add function ===") + add = lib.get_function("add") + result = add(10, 20) + print(f"add(10, 20) = {result}") + assert result == 30, f"Expected 30, got {result}" + + # Get and call the 'multiply' function + print("\n=== Testing multiply function ===") + multiply = lib.get_function("multiply") + result = multiply(7, 6) + print(f"multiply(7, 6) = {result}") + assert result == 42, f"Expected 42, got {result}" + + # Get and call the 'fibonacci' function + print("\n=== Testing fibonacci function ===") + fibonacci = lib.get_function("fibonacci") + result = fibonacci(10) + print(f"fibonacci(10) = {result}") + assert result == 55, f"Expected 55, got {result}" + + if args.lang == "cpp": + # String concatenation only available in C++ variant (uses std::string) + print("\n=== Testing concat function ===") + concat = lib.get_function("concat") + result = concat("Hello, ", "World!") + print(f"concat('Hello, ', 'World!') = '{result}'") + assert result == "Hello, World!", f"Expected 'Hello, World!', got '{result}'" Review Comment: extracted to the sub function and no more explicit del now -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
