Tanner Gooding tannergooding

Dev on .NET Libraries team working on Hardware Intrinsics and Numerics.

tannergooding / VectorSum.cs

Last active April 23, 2026 15:11

	public static int Sum(ReadOnlySpan<int> x)
	{
	if (Vector128.IsHardwareAccelerated)
	{
	int result;

	if (x.Length >= Vector128<int>.Count)
	{
	result = Vectorized128(x);
	}

tannergooding / IStreamImpl.cs

Created November 1, 2023 19:20

	using System.Diagnostics;
	using System.Runtime.CompilerServices;
	using System.Runtime.InteropServices;
	using System.Runtime.Versioning;
	using TerraFX.Interop;
	using TerraFX.Interop.Windows;
	using static TerraFX.Interop.Windows.E;
	using static TerraFX.Interop.Windows.IID;
	using static TerraFX.Interop.Windows.S;

tannergooding / Program.cs

Created April 3, 2022 23:58

	using System;
	using System.Runtime.CompilerServices;
	using System.Runtime.InteropServices;
	using System.Runtime.Intrinsics;
	using BenchmarkDotNet.Attributes;
	using BenchmarkDotNet.Running;

	public unsafe class Proga
	{
	static void Main(string[] args)

tannergooding / After.cs

Created October 1, 2021 01:59

Comparison of before xplat hwintrinsics and after

	public float Sum(float[] values) {
	if (values is null)
	{
	throw new ArgumentNullException();
	}

	if (Vector128.IsHardwareAccelerated)
	{
	ref var value = ref MemoryMarshal.GetArrayDataReference(values);
	var vsum = Vector128<float>.Zero;

tannergooding / app.cpp

Created April 9, 2021 03:57

	#include "lib.h"
	#include "common.h"

	#include <iostream>

	void thing()
	{
	auto lib_id1 = get_next_lib_id_int32();
	auto lib_id2 = get_next_lib_id_size();

tannergooding / ParallelExample.cs

Last active April 2, 2021 13:57

	using System;
	using System.Threading;
	using System.Threading.Tasks;

	class Program
	{
	const int limit = 100_000_000;

	static void Main(string[] args)
	{

tannergooding / Lexer.cs

Last active March 10, 2021 17:03

	// Copyright © Tanner Gooding and Contributors. Licensed under the MIT License (MIT). See License.md in the repository root for more information.

	using System;
	using System.Collections;
	using System.Collections.Generic;
	using System.Collections.Immutable;
	using System.Diagnostics;
	using System.Globalization;
	using System.Text;
	using TerraFX.CodeAnalysis.Source;

tannergooding / cast_elision.cpp

Last active February 7, 2021 03:27

	//------------------------------------------------------------------------
	// gtFoldExprCast: see if a cast is foldable
	//
	// Arguments:
	// cast - cast to examine
	//
	// Returns:
	// The original cast if no folding happened.
	// An alternative tree if folding happens.
	//

tannergooding / FunctionPointerExample.cs

Created January 22, 2021 17:27

	using System;
	using System.Runtime.CompilerServices;
	using System.Runtime.InteropServices;

	public unsafe class NetStandardPlus
	{
	[UnmanagedFunctionPointer(CallingConvention.StdCall)]
	public delegate void MyStdcallDelegate();

	public static void Call(delegate*<void> action) => action();

tannergooding / GenericSpecialization.cs

Created September 24, 2020 01:44

	using System;
	using System.Runtime.CompilerServices;

	public interface IComparer<T>
	{
	int CompareTo(T other);
	}

	public static class ArrayExtensions
	{