jroesch commented on a change in pull request #5527: URL: https://github.com/apache/incubator-tvm/pull/5527#discussion_r437804003
########## File path: rust/tvm-rt/src/function.rs ########## @@ -0,0 +1,345 @@ +/* + * 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. + */ + +//! This module provides an idiomatic Rust API for creating and working with TVM functions. +//! +//! For calling an already registered TVM function use [`function::Builder`] +//! To register a TVM packed function from Rust side either +//! use [`function::register`] or the macro [`register_global_func`]. +//! +//! See the tests and examples repository for more examples. + +use lazy_static::lazy_static; +use std::convert::TryFrom; +use std::{ + collections::BTreeMap, + ffi::{CStr, CString}, + mem::{self, MaybeUninit}, + os::raw::{c_char, c_int}, + ptr, slice, str, + sync::Mutex, +}; + +pub use tvm_sys::{ffi, ArgValue, RetValue}; + +use crate::errors::Error; + +use super::to_boxed_fn::ToBoxedFn; +use super::to_function::{ToFunction, Typed}; + +pub type Result<T> = std::result::Result<T, Error>; + +lazy_static! { + static ref GLOBAL_FUNCTIONS: Mutex<BTreeMap<String, Option<Function>>> = { + let mut out_size = 0 as c_int; + let mut names_ptr = ptr::null_mut() as *mut *const c_char; + check_call!(ffi::TVMFuncListGlobalNames( + &mut out_size as *mut _, + &mut names_ptr as *mut _, + )); + let names_list = unsafe { slice::from_raw_parts(names_ptr, out_size as usize) }; + + let names_list: Vec<String> = + names_list + .iter() + .map(|&p| unsafe { CStr::from_ptr(p).to_str().unwrap().into() }) + .collect(); + + // println!("{:?}", &names_list); + + let names_list = names_list + .into_iter() + .map(|p| (p, None)) + .collect(); + + Mutex::new(names_list) + }; +} + +/// Wrapper around TVM function handle which includes `is_global` Review comment: I will queue updating the docs. ---------------------------------------------------------------- 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. For queries about this service, please contact Infrastructure at: [email protected]
