leonwanghui commented on a change in pull request #5892: URL: https://github.com/apache/incubator-tvm/pull/5892#discussion_r457815499
########## File path: apps/wasm-standalone/wasm-graph/src/types.rs ########## @@ -0,0 +1,183 @@ +/* + * 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. + */ + +use std::{ + any::TypeId, + convert::From, + os::raw::{c_int, c_void}, + slice, +}; +pub use tvm_common::ffi::DLTensor; +use tvm_common::ffi::{ + DLContext, DLDataType, DLDataTypeCode_kDLFloat, DLDataTypeCode_kDLInt, DLDeviceType_kDLCPU, +}; + +#[derive(Debug, PartialEq, Clone, Serialize, Deserialize)] +pub enum DataType { + FP32, + INT32, + INT8, +} + +impl DataType { + pub fn as_dldtype(&self) -> DLDataType { + match self { + DataType::INT32 => DLDataType { + code: DLDataTypeCode_kDLInt as u8, + bits: 32u8, + lanes: 1u16, + }, + DataType::INT8 => DLDataType { + code: DLDataTypeCode_kDLInt as u8, + bits: 8u8, + lanes: 1u16, + }, + DataType::FP32 => DLDataType { + code: DLDataTypeCode_kDLFloat as u8, + bits: 32u8, + lanes: 1u16, + }, + } + } + + /// Returns whether this `DataType` represents primitive type `T`. + pub fn is_type<T: 'static>(&self) -> bool { + let typ = TypeId::of::<T>(); + typ == TypeId::of::<i32>() || typ == TypeId::of::<i8>() || typ == TypeId::of::<f32>() + } +} + +impl From<DLDataType> for DataType { + fn from(dl_dtype: DLDataType) -> Self { + if dl_dtype.code == DLDataTypeCode_kDLInt as u8 && dl_dtype.bits == 32u8 { + DataType::INT32 + } else if dl_dtype.code == DLDataTypeCode_kDLInt as u8 && dl_dtype.bits == 8u8 { + DataType::INT8 + } else if dl_dtype.code == DLDataTypeCode_kDLFloat as u8 && dl_dtype.bits == 32u8 { + DataType::FP32 + } else { + DataType::FP32 + } + } +} + +#[derive(Debug, Clone, Serialize, Deserialize)] +pub struct Tensor { Review comment: Sure, I would make this change after the rust runtime being stablized. ---------------------------------------------------------------- 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]
