jroesch commented on a change in pull request #5526: URL: https://github.com/apache/incubator-tvm/pull/5526#discussion_r422295900
########## File path: rust/tvm-sys/src/context.rs ########## @@ -0,0 +1,285 @@ +/* + * 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 [`Context`] and related device queries. +//! +//! Create a new context for device type and device id. +//! +//! # Example +//! +//! ``` +//! # use tvm_sys::{DeviceType, Context}; +//! let cpu = DeviceType::from("cpu"); +//! let ctx = Context::new(cpu , 0); +//! let cpu0 = Context::cpu(0); +//! assert_eq!(ctx, cpu0); +//! ``` +//! +//! Or from a supported device name. +//! +//! ``` +//! use tvm_sys::Context; +//! let cpu0 = Context::from("cpu"); +//! println!("{}", cpu0); +//! ``` + +use std::convert::TryFrom; +use std::str::FromStr; +use std::fmt::{self, Display, Formatter}; + +use crate::ffi::{self, *}; +use crate::packed_func::{ArgValue, RetValue}; + +use thiserror::Error; +use anyhow::Result; +use enumn::N; + +/// Device type represents the set of devices supported by +/// [TVM](https://github.com/apache/incubator-tvm). +/// +/// ## Example +/// +/// ``` +/// use tvm_sys::DeviceType; +/// let cpu = DeviceType::from("cpu"); +/// println!("device is: {}", cpu); +///``` + +#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, N)] +#[repr(i64)] +pub enum DeviceType { + CPU = 1, + GPU, + CPUPinned, + OpenCL, + Vulkan, + Metal, + VPI, + ROCM, + ExtDev, +} Review comment: The `tvm-sys` stands alone from all other crates right now. The goal is to fix the above issues in the higher level crates by wrapping standard low-level constructs with better designs and then incrementally bubbling up to other crates, see my other open PR for more examples. ---------------------------------------------------------------- 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: us...@infra.apache.org
