* [WEB] Remove the old web runtime
* [WEB][RUNTIME] TVM WebAssembly Runtime
This PR introduces a brand new TVM web runtime based on the WASM standard API.
Main highlights:
- The new runtime is rewritten using the Typescript.
- The new runtime now directly interfaces with WebAssembly's standard API,
instead of relying on emscripten's API.
This change will make the js runtime more portable to runtime variants.
For example, we could also try to make it interface with the tvm's rust runtime implementation.
- System library can be provided through WASI
- We also build a hack to enable Emscripten to generate a WASI like
bundle for runtime environment on the Web.
- The wasm generation now uses the mainlin LLVM.
- Dynamic link(dlopen) is not used due to limitation of wasm,
instead we rely on the recent new RPC refactor to directly
restart a new session for each wasm binary sent to the RPC.
* Address review comments
* Skip tensorcore test
Tianqi Chen
702fd0f0f4