Rodrigo Bento rbento

## Dockerfile
# syntax=docker/dockerfile:1
FROM centos:7 as stage-1

##
## Install unityhub, chromimum, visual studio code, dotnet, gcc10 (+dependencies)
##

RUN yum -y install centos-release-scl-rh
RUN yum -y install epel-release
RUN yum -y install http://www.nosuchhost.net/~cheese/fedora/packages/epel-7/x86_64/cheese-release-7-1.noarch.rpm

## wsl_cheatsheet.md

      
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                macton
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              November 5, 2023 02:04
            
          
    Cheatsheet for WSL2

Initial setup


See: Setup initial https://codingfullstack.com/cloud/docker-installation-wsl2/
Additional Steps:

Enable WSL2
Enable VGPU
Enable Hyper-V
Enable Windows Apps -> Optional Features -> Graphics Tools


## orthodoxc++.md

      
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                bkaradzic
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                Orthodox C++
              
          
    Orthodox C++

What is Orthodox C++?

Orthodox C++ (sometimes referred as C+) is minimal subset of C++ that improves C, but avoids all unnecessary things from so called Modern C++. It's exactly opposite of what Modern C++ suppose to be.
Why not Modern C++?


## cpuid_features.c
// This file: https://gist.github.com/macton/4dd5fec2113be284796e
// See: Intel Intrinsics Guide  https://software.intel.com/sites/landingpage/IntrinsicsGuide/
// See: CPUID Explorer          http://www.flounder.com/cpuid_explorer1.htm
// See: Playing with cpuid      http://newbiz.github.io/cpp/2010/12/20/Playing-with-cpuid.html
// See: MSDN __cpuid, __cpuidex http://msdn.microsoft.com/en-us/library/hskdteyh.aspx
// See: Notes on MMX/SSE and a searchable table of intrinsics. http://www.taffysoft.com/pages/20120418-01.html
// See: AMD CPUID Specification http://amd-dev.wpengine.netdna-cdn.com/wordpress/media/2012/10/25481.pdf

#if defined(__GNUC__)
#include <stdint.h>

## linux_tips.txt
-------------------------------------------------------------------------------------------------------------
View process memory info
$ cat /proc/<process_id>/smaps
-------------------------------------------------------------------------------------------------------------
Overall memory info
http://stackoverflow.com/a/13754307
$ smem
-------------------------------------------------------------------------------------------------------------

## latency.txt
Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD
	# syntax=docker/dockerfile:1
	FROM centos:7 as stage-1

	##
	## Install unityhub, chromimum, visual studio code, dotnet, gcc10 (+dependencies)
	##

	RUN yum -y install centos-release-scl-rh
	RUN yum -y install epel-release
	RUN yum -y install http://www.nosuchhost.net/~cheese/fedora/packages/epel-7/x86_64/cheese-release-7-1.noarch.rpm
	// This file: https://gist.github.com/macton/4dd5fec2113be284796e
	// See: Intel Intrinsics Guide https://software.intel.com/sites/landingpage/IntrinsicsGuide/
	// See: CPUID Explorer http://www.flounder.com/cpuid_explorer1.htm
	// See: Playing with cpuid http://newbiz.github.io/cpp/2010/12/20/Playing-with-cpuid.html
	// See: MSDN __cpuid, __cpuidex http://msdn.microsoft.com/en-us/library/hskdteyh.aspx
	// See: Notes on MMX/SSE and a searchable table of intrinsics. http://www.taffysoft.com/pages/20120418-01.html
	// See: AMD CPUID Specification http://amd-dev.wpengine.netdna-cdn.com/wordpress/media/2012/10/25481.pdf

	#if defined(__GNUC__)
	#include <stdint.h>
	-------------------------------------------------------------------------------------------------------------
	View process memory info
	$ cat /proc/<process_id>/smaps
	-------------------------------------------------------------------------------------------------------------
	Overall memory info
	http://stackoverflow.com/a/13754307
	$ smem
	-------------------------------------------------------------------------------------------------------------
	Latency Comparison Numbers (~2012)
	----------------------------------
	L1 cache reference 0.5 ns
	Branch mispredict 5 ns
	L2 cache reference 7 ns 14x L1 cache
	Mutex lock/unlock 25 ns
	Main memory reference 100 ns 20x L2 cache, 200x L1 cache
	Compress 1K bytes with Zippy 3,000 ns 3 us
	Send 1K bytes over 1 Gbps network 10,000 ns 10 us
	Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD