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Blazor WASM SIMD support #28997

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Apr 26, 2023
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Blazor WASM SIMD support #28997

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Blazor WASM SIMD support
guardrex Apr 17, 2023
4193ea6
Update aspnetcore/blazor/tooling.md
guardrex Apr 26, 2023
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22 changes: 21 additions & 1 deletion aspnetcore/blazor/tooling.md
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Expand Up @@ -527,7 +527,23 @@ The .NET WebAssembly build tools are based on [Emscripten](https://emscripten.or
* For the **ASP.NET and web development** workload in the Visual Studio installer, select the **.NET WebAssembly build tools** option from the list of optional components.
* Execute `dotnet workload install wasm-tools` in an administrative command shell.

When [Ahead-of-time (AOT) compilation](xref:blazor/host-and-deploy/webassembly#ahead-of-time-aot-compilation) is used, [WebAssembly Single Instruction, Multiple Data (SIMD)](https://github.com/WebAssembly/simd/blob/master/proposals/simd/SIMD.md) is supported, **except for Apple Safari at this time**. Use the `<WasmEnableSIMD>` property in the app's project file (`.csproj`) with a value of `true`:
:::moniker-end

:::moniker range=">= aspnetcore-8.0"

When [ahead-of-time (AOT) compilation](xref:blazor/host-and-deploy/webassembly#ahead-of-time-aot-compilation) is used, [WebAssembly Single Instruction, Multiple Data (SIMD)](https://github.com/WebAssembly/simd/blob/master/proposals/simd/SIMD.md) is enabled by default for all major browsers. SIMD can improve the throughput of vectorized computations by performing an operation on multiple pieces of data in parallel using a single instruction.

```xml
<PropertyGroup>
<RunAOTCompilation>true</RunAOTCompilation>
</PropertyGroup>
```

:::moniker-end

:::moniker range=">= aspnetcore-7.0 < aspnetcore-8.0"

When [ahead-of-time (AOT) compilation](xref:blazor/host-and-deploy/webassembly#ahead-of-time-aot-compilation) is used, [WebAssembly Single Instruction, Multiple Data (SIMD)](https://github.com/WebAssembly/simd/blob/master/proposals/simd/SIMD.md) is supported for all major browsers, except Apple Safari. SIMD can improve the throughput of vectorized computations by performing an operation on multiple pieces of data in parallel using a single instruction. Use the `<WasmEnableSIMD>` property in the app's project file (`.csproj`) with a value of `true`:

```xml
<PropertyGroup>
Expand All @@ -536,6 +552,10 @@ When [Ahead-of-time (AOT) compilation](xref:blazor/host-and-deploy/webassembly#a
</PropertyGroup>
```

:::moniker-end

:::moniker range=">= aspnetcore-7.0"

To enable WebAssembly exception handling, use the `<WasmEnableExceptionHandling>` property in the app's project file (`.csproj`) with a value of `true`:

```xml
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