High Performance Coding with NET Core and C

Learn how to write high performance and scalable .NET Core and ASP.NET Core applications in C#
High Performance Coding with NET Core and C
File Size :
2.21 GB
Total length :
6h 18m



Gergely Kalapos


Last update

Last updated 12/2017



High Performance Coding with NET Core and C

What you’ll learn

Get an overview about the current stage of the .NET platform with focus on .NET Core, ASP .NET Core, and C# 7 with their performance aspects
Get to know tools which are essential to measure the performance of a .NET Core application: Visual Studio Performance Tools, PerfView, BenchmarkDotNet, Perf and LTTng on Linux, Prefix, MiniProfiler
Performance characteristics of value types and reference types, the effect of async/await on performance, and performance of collections in the base library
Behind the scenes knowledge about C# 7: you will see what the compiler generates from C# 7 code and what performance implications this has on your application
New performance related APIs like Span, ArrayPool
Data access performance with Entity Framework Core
Ahead of time compilation for .NET Core with CrossGen, and removing dead code with the .NET IL Linker
Production monitoring for .NET Core and ASP .NET Core with Application Insights and Dynatrace

High Performance Coding with NET Core and C


You should have some experience with the .NET framework
You already created at least 1 application either with .NET Core or with the .NET Classic framework
A little bit of .NET Core experience helps, but if you have solid a solid .NET Classic background, then it’s also fine


A few years ago, Microsoft decided to radically redefine the .NET platform. An open-source, cross-platform, high performance flavor of the .NET framework was created: this is .NET Core. Additionally, C#, the most widely used .NET programming language also evolved over the years. These new developments include many performance improvements.
The goal of the course is to give you deep understanding about these performance improvements. By applying the knowledge from this course, you will be able to measure and optimize the performance of .NET Core (including ASP.NET Core), C# applications.
After a short wrap-up on .NET Core the course introduces you to the first pillar of the performance topic: measuring performance. You will learn to use tools that you can apply to measure the performance of your code running on .NET Core. Then we will focus on some important performance tricks like reducing the pressure on the GC by using value types or choosing the right collection for the given problem. After that we will see what the compiler does behind the scenes when it compiles your C# 7 code and what performance implications this has. We will talk about some new performance related APIs like ArrayPool and Span and we will also look into the performance aspects of Entity Framework Core. We will talk about the ahead of time compilation story for .NET with CrossGen and IL trimming with the .NET IL Linker. We will finish the course by learning about production performance monitoring for .NET Core.

Goal of the course
Understanding why .NET Core and ASP.NET Core are great platforms to create high performance applications  Learning about tools that can measure the performance of your .NET Core code: Visual Studio Performance Tools, BenchmarkDotNet, MiniProfiler, Stackify Prefix, LTTng and Perf on Linux, ETW and PerfViewUnderstand the latest language features of C# and how they affect performanceAdvanced tools to improve the performance of your .NET Core and ASP.NET Core applications: Span, ArrayPool, ASP.NET Core Precompiled Views, Entity Framework Core performance, .NET IL Linker, AOT compilation with CrossGen. Performance monitoring in production for .NET Core and ASP.NET Core: Application Insights and Dynatrace

Course style
The course is a mix of theory and practice. Tools and concepts with their theoretical background will be introduced with slides and then the theoretical knowledge will be applied in demos.


Section 1: Setting the Stage

Lecture 1 Course Overview

Lecture 2 Note for .NET Core experts

Lecture 3 .NET Core History – Performance

Lecture 4 .NET Core Concepts and Definitions

Section 2: Measure Performance During Development Part 1

Lecture 5 Measuring CPU

Lecture 6 Measuring Memory

Lecture 7 Visual Studio Performance Tools – PerfTips and Profiler

Lecture 8 Visual Studio Performance Tools – The Diagnostic Tools Window

Section 3: Measure Performance During Development Part 2

Lecture 9 Event Tracing: ETW and PerfView

Lecture 10 Micro Benchmarking with BenchmarkDotNet

Lecture 11 .NET Core Performance Diagnostic on Linux

Lecture 12 Performance Monitoring on the Developer Machine with Stackify Prefix

Lecture 13 Performance Monitoring on the Developer Machine with MiniProfiler

Section 4: Make your Code Faster – General Tips for .NET Developers

Lecture 14 Value Types vs. Reference Types and Reducing Pressure on the GC

Lecture 15 Value Types vs. Reference Types and Reducing Pressure on the GC – Demo

Lecture 16 Saving Threads with async/await

Lecture 17 Saving Threads with async/await – Demo

Lecture 18 Choosing the Right Collection

Lecture 19 Choosing the Right Collection – Demo

Section 5: C# 7 Performance

Lecture 20 Performance Impact of C# 7 Features

Lecture 21 Avoid Heap Allocations with Local Functions

Lecture 22 Make ValueTypes Faster with ref return

Lecture 23 The Performance Characteristics of the C# 7 Tuple Feature

Lecture 24 Optimization of async-methods with ValueTask

Lecture 25 Pattern matching and Performance

Section 6: New Performance Related APIs

Lecture 26 Reusing Arrays with ArrayPool

Lecture 27 Accessing all Types of Memory Safely and Efficiently with Span

Lecture 28 Accessing all Types of memory Safely and Efficiently with Span – Demo

Section 7: Data Access Performance: Entity Framework Core

Lecture 29 Make faster Queries with Entity Framework Core

Lecture 30 Loading Dependent Entities Efficiently

Lecture 31 EF Core Performance: Maximum Length, Client Side Execution, Change Tracking

Section 8: .NET Core Specific Performance Tools and Configurations

Lecture 32 Pre-JIT .NET Core Applications with CrossGen

Lecture 33 Make your .NET Core Application Smaller with Mono’s Linker

Lecture 34 Faster Startup with ASP.NET Core Precompiled Views

Section 9: Performance Monitoring in Production for .NET Core

Lecture 35 Enabling Application Insights for ASP.NET Core Applications

Lecture 36 Tracking Slow Requests and Performance Testing with Application Insights

Lecture 37 Tracking Custom Dependencies with Application Insights

Lecture 38 Monitoring .NET Core Applications with Dynatrace

If you are a .NET Core developer and you want to make sure your application does not break under production load then this course is for you!,Furthermore, if you are interested in performance and you like looking behind the scenes and understanding what really happens in your application then you will also find this course interesting.

Course Information:

Udemy | English | 6h 18m | 2.21 GB
Created by: Gergely Kalapos

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