hungryzzz

WAMR throw OOB exception in LLVM-JIT mode while not in Fast-JIT mode

3

### Subject of the issue I run the following wasm code in WAMR, and got `Exception: out of bounds memory access` in LLVM-JIT mode, but run successfully in Fast-JIT mode...

Small difference makes suspicion performance decreasing

20

### Test Cases [cases.zip](https://github.com/bytecodealliance/wasmtime/files/15237560/cases.zip) ### Steps to Reproduce Hi, I run the attached two cases(`good.wasm`&`bad.wasm`) in `Wasmtime`, `WasmEdge(AOT)` and `Wamr(AOT)`, and collect their execution time respectively (measured by `time` tool)....

[Question] How to do type evaluation in Binaryen?

1

Hi, I found that when I use `WasmBinaryReader` to parse a type-mismatched `wasm` file, it would not raise error messages. So I just wonder could I do the type evaluation...

Small difference makes suspicion performance decreasing

3

### Test Cases [cases.zip](https://github.com/bytecodealliance/wasmtime/files/15321821/cases.zip) ### Steps to Reproduce Hi, I run the attached two cases(`good.wasm`&`bad.wasm`) in `Wasmtime` and `WasmEdge`(AOT), and collect their execution time respectively (measured by time tool). ```shell...

Change the function alignment of x86 to 32-bytes

1

The current default 16-bytes function alignment for x86-64 would cause suboptimal execution performance under some cases which are reported in https://github.com/bytecodealliance/wasmtime/issues/8573. Based on the discussion "the CPU frontend grabs an...

Changing an immediate operand from 1 to 0 makes suspicion performance decreasing

1

### Test Cases [cases.zip](https://github.com/bytecodealliance/wasmtime/files/15354072/cases.zip) ### Steps to Reproduce Hi, I run the attached two cases(`good.wasm`&`bad.wasm`) in `Wasmtime` and `WasmEdge`(AOT), and collect their execution time respectively (measured by `time` tool). ```bash...

Changing an immediate operand from 0 to 1 makes suspicion performance decreasing

1

### Test Cases [cases.zip](https://github.com/bytecodealliance/wasmtime/files/15487475/cases.zip) ### Steps to Reproduce Hi, I run the attached two cases(`good.wasm`&`bad.wasm`) in `Wasmtime` and `WasmEdge`(AOT), and collect their execution time respectively (measured by `time` tool). ```bash...

The machine code generated by WasmEdge of two almost identical wasm codes is very different

3

### Summary ### Test Cases [cases.zip](https://github.com/user-attachments/files/15752655/cases.zip) ### Steps to Reproduce Hi, I run the attached two cases(`good.wasm`&`bad.wasm`) in `WasmEdge`(AOT), `Wasmtime`, `Wasmer` and `WAMR`(AOT), and collect their execution time respectively (measured...

Performance issue when invoking function pointer in structure

1

## Description Hi, I run the following case in different Wasm runtimes(after being compiled by Emscripten), and I find some performance differences between wasmedge and other 3 runtimes. ```c //...

Performance issue when handing virtual function

2

## Description Hi, I run the following case in different Wasm runtimes(after being compiled by `Emscripten`), and I find some performance differences between `wasmedge` and other 3 runtimes. ```cpp //...