Alan-FGR

cmake_minimum_required(VERSION 3.15.0)

#config vars
set(minECS_BUILD_TESTBED true CACHE BOOL "Builds the SDL-powered testbed")
set(minECS_STATIC_SDL false CACHE BOOL "Links static SDL library")

project(minECS)

add_executable(minECS main.cpp)

Alan-FGR

Address	Source Line	Assembly	Clockticks	Instructions Retired	CPI Rate	Retiring	Bad Speculation	Back-End Bound	Front-End Bound
0x7fe6f7b2df0	0	Block 1:
0x7fe6f7b2df0	408	xor eax, eax
0x7fe6f7b2df2	409	mov edx, 0xffffff
0x7fe6f7b2df7	410	mov ecx, 0x1
0x7fe6f7b2dfc	411	mov r8d, 0x1
0x7fe6f7b2e02	413	xor r9d, r9d
0x7fe6f7b2e05	0	Block 2:
0x7fe6f7b2e05	415	add eax, r9d	247500000	555000000	0.445946	0.109627	0.0106091	0.0459723	0.0282908

Alan-FGR

Broken

Address	Assembly	Clockticks	Instructions Retired	CPI Rate	Retiring	Back-End Bound	Front-End Bound
0x140005164	Block 1:
0x140005164	xor eax, eax
0x140005166	mov edx, 0xffffff
0x14000516b	mov ecx, 0x1
0x140005170	mov r8d, 0x1
0x140005176	xor r9d, r9d

Alan-FGR

000000013FC25164 | 33C0                     | xor eax,eax                             |
000000013FC25166 | BA FFFFFF00              | mov edx,FFFFFF                          |
000000013FC2516B | B9 01000000              | mov ecx,1                               |
000000013FC25170 | 41:B8 01000000           | mov r8d,1                               |
000000013FC25176 | 45:33C9                  | xor r9d,r9d                             |
000000013FC25179 | 41:03C1                  | add eax,r9d                             |
000000013FC2517C | 2BC1                     | sub eax,ecx                             |
000000013FC2517E | 3BC1                     | cmp eax,ecx                             |
000000013FC25180 | 7E 02                    | jle primitivewrapperbenchmarks.13FC2518 |
000000013FC25182 | FFC1                     | inc ecx                                 |

Alan-FGR

.method public hidebysig instance int32  First() cil managed
{
  .custom instance void [BenchmarkDotNet]BenchmarkDotNet.Attributes.BenchmarkAttribute::.ctor() = ( 01 00 00 00 ) 
  // Code size       80 (0x50)
  .maxstack  2
  .locals init (int32 V_0,
           int32 V_1,
           int32 V_2,
           int32 V_3,
           int32 V_4)

Alan-FGR

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using CppSharp;
using CppSharp.AST;
using CppSharp.Generators;

public class AstHack : ILibrary

Alan-FGR

using System;
using SharpDX;
using SharpDX.D3DCompiler;
using SharpDX.Direct3D;
using SharpDX.Direct3D11;
using SharpDX.DXGI;
using SharpDX.Windows;
using Buffer = SharpDX.Direct3D11.Buffer;
using Device = SharpDX.Direct3D11.Device;
using Color = SharpDX.Color;

Alan-FGR

3.0ghz haswell:    280      340   (g3220)
2.66ghz conroe:    370      400   (e6750)
4.0ghz skylake:    150      170   (i7 6700k)
3.3ghz sandy b EP: 180      220   (e5 1666)

Alan-FGR

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

public struct Vec
{
    public float x, y, z;

    public Vec(float x, float y, float z)

Alan-FGR

using System;
using System.Collections.Generic;
using System.Threading;

class Test
{
   public static long count = 0;
   public static int dtorTime = 201;
   
   readonly long[] bogus_ = new long[1ul<<12];