karimnaaji

• http://valgrind.org/docs/manual/cg-manual.html

valgrind --tool=cachegrind ./a.out
cg_annotate cachegrind.out.* --auto=yes

Instruction misses

• Ir: number of instructions executed
• I1mr: I1 cache read misses

karimnaaji

{
 "kind": "webfonts#webfontList",
 "items": [
  {
   "kind": "webfonts#webfont",
   "family": "ABeeZee",
   "category": "sans-serif",
   "variants": [
    "regular",
    "italic"

karimnaaji

#include <time.h>
#include <stdio.h>
#include <vector>

struct A {
    int mem[100];
};

int n = 1000000;

karimnaaji

#pragma once
/**
  \file minimalOpenGL/teapot.h
  \author Morgan McGuire, http://graphics.cs.williams.edu

  Geometric data for the Utah teapot.

  Distributed with the G3D Innovation Engine http://g3d.cs.williams.edu
*/
namespace Teapot { 

karimnaaji

#include <iostream>
#include <ctime>
#include <string>

void function_a(const std::string& str) {
    return;
}

void function_b(std::string str) {
    return;

karimnaaji

#ifdef GL_ES
precision mediump float;
#endif

#define PI 3.14159265359

uniform vec2 u_resolution;
uniform vec2 u_mouse;
uniform float u_time;

karimnaaji

global operator new
global operator new []
global operator delete
global operator delete []

#undef new
void *operator new (size_t size, char *file, int line, char *function);
// [...]
#define new new (__FILE__, __LINE__, __FUNCTION__)

karimnaaji

#include <iostream>
#include <string>
#include <cmath>

void bCurveP4Derivative(float t, float p0x, float p0y, float p1x, float p1y, float p2x, float p2y, float p3x, float p3y, float* x, float* y) {
    // derivate of cubic b-curve is a quadratic b-curve
    float it = 1 - t;
    float f0 = 3 * powf(it, 2.f);
    float f1 = 6 * t * (it);
    float f2 = 3 * powf(t, 2.f);

karimnaaji

#include <iostream>
#include <ctime>
#include <climits>
#include <memory>

int main() {
    struct big_struct {
        long long array[10];
    };