kayru

glslangValidator -l shaders/test.comp

kayru

Keybase proof

I hereby claim:

• I am kayru on github.
• I am kayru (https://keybase.io/kayru) on keybase.
• I have a public key ASBrKn33Jb_jISpGxCZO_GMLgyDMxEhN_4g6dqyNWRko9Qo

To claim this, I am signing this object:

kayru

/*
 * Copyright (c) 2015-2016 The Khronos Group Inc.
 * Copyright (c) 2015-2016 Valve Corporation
 * Copyright (c) 2015-2016 LunarG, Inc.
 *
 * Licensed 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

kayru

ffmpegCmd << "ffmpeg -r 60 -f rawvideo -pix_fmt rgba "
          << "-s " << FrameWidth << "x" << FrameHeight << " "
          << "-i - -preset fast -y -pix_fmt yuv420p -crf 21 " << CaptureVideoPath;

ffmpegPipe = _popen(ffmpegCmd, "wb");

while(rendering)
{
	fwrite(framePixels, frameSizeInBytes, 1, ffmpegPipe);
}

kayru

iPhone X
sizeLog2: 10 - Data size: 1 KiB (16 cache lines) - Total time: 0.096518 sec - Time/elem: 2.876475 ns - 
sizeLog2: 11 - Data size: 2 KiB (32 cache lines) - Total time: 0.098588 sec - Time/elem: 2.938146 ns - 
sizeLog2: 12 - Data size: 4 KiB (64 cache lines) - Total time: 0.098571 sec - Time/elem: 2.937641 ns - 
sizeLog2: 13 - Data size: 8 KiB (128 cache lines) - Total time: 0.098576 sec - Time/elem: 2.937794 ns - 
sizeLog2: 14 - Data size: 16 KiB (256 cache lines) - Total time: 0.098489 sec - Time/elem: 2.935203 ns - 
sizeLog2: 15 - Data size: 32 KiB (512 cache lines) - Total time: 0.098492 sec - Time/elem: 2.935303 ns - 
sizeLog2: 16 - Data size: 64 KiB (1024 cache lines) - Total time: 0.098705 sec - Time/elem: 2.941644 ns - 
sizeLog2: 17 - Data size: 128 KiB (2048 cache lines) - Total time: 0.293225 sec - Time/elem: 8.738775 ns - 
sizeLog2: 18 - Data size: 256 KiB (4096 cache lines) - Total time: 0.324969 sec - Time/elem: 9.684835 ns - 

kayru

// clang++ -o cachebench -O2 -std=c++14 cachebench.cpp

#include <stdio.h>
#include <chrono>
#include <vector>
#include <algorithm>
#include <random>
#include <float.h>
#include <stdint.h>
#include <cstring>

kayru

#define NOMINMAX
#define _CRT_SECURE_NO_WARNINGS

#include <stdio.h>
#include <windows.h>
#include <stdint.h>
#include <math.h>
#include <float.h>
#include <algorithm>
#include <vector>

kayru

bool calculate_best_fit_plane(const Vec3* points, u32 count, Vec3& out_center, Vec3& out_normal)
{
	if (count < 3)
	{
		return false;
	}

	Vec3 center = Vec3(0.0f);
	for (u32 i = 0; i < count; ++i)
	{

kayru

struct FloatBits
{
	u32 mantissa : 23;
	u32 exponent : 8;
	u32 sign : 1;
};

template <typename ResultT, typename InputT>
inline ResultT bitCast(InputT v)
{

kayru

const int* findIntSSE2(const int* __restrict begin, const int* __restrict end, int needle)
{
	const int* it = begin;
	unsigned long index;
	__m128i n = _mm_set1_epi32(needle);
	while (it != end)
	{		
		__m128i x = _mm_load_si128(reinterpret_cast<const __m128i*>(it));
		__m128i m = _mm_cmpeq_epi32(x, n);
		unsigned long k = _mm_movemask_epi8(m);