Tags · Performance is a Feature!

.NET

Under the hood of "Default Interface Methods" : 19 Feb 2020
Research based on the .NET Runtime : 25 Oct 2019
"Stubs" in the .NET Runtime : 26 Sep 2019
ASCII Art in .NET Code : 25 Apr 2019
Is C# a low-level language? : 01 Mar 2019
"Stack Walking" in the .NET Runtime : 21 Jan 2019
Exploring the .NET Core Runtime (in which I set myself a challenge) : 13 Dec 2018
Open Source .NET – 4 years later : 04 Dec 2018
A History of .NET Runtimes : 02 Oct 2018
Fuzzing the .NET JIT Compiler : 28 Aug 2018
Monitoring and Observability in the .NET Runtime : 21 Aug 2018
Presentations and Talks covering '.NET Internals' : 12 Jul 2018
.NET JIT and CLR - Joined at the Hip : 05 Jul 2018
Tools for Exploring .NET Internals : 15 Jun 2018
CoreRT - A .NET Runtime for AOT : 07 Jun 2018
Taking a look at the ECMA-335 Standard for .NET : 06 Apr 2018
Exploring the internals of the .NET Runtime : 23 Mar 2018
How generics were added to .NET : 02 Mar 2018
Resources for Learning about .NET Internals : 22 Jan 2018
Open Source .NET – 3 years later : 19 Dec 2017
A look at the internals of 'Tiered JIT Compilation' in .NET Core : 15 Dec 2017
DotNetAnywhere: An Alternative .NET Runtime : 19 Oct 2017
A look at the internals of 'boxing' in the CLR : 02 Aug 2017
Memory Usage Inside the CLR : 10 Jul 2017
How the .NET Runtime loads a Type : 15 Jun 2017
The CLR Thread Pool 'Thread Injection' Algorithm : 13 Apr 2017
The .NET IL Interpreter : 30 Mar 2017
A Hitchhikers Guide to the CoreCLR Source Code : 23 Mar 2017
How do .NET delegates work? : 25 Jan 2017
Why Exceptions should be Exceptional : 20 Dec 2016
Why is reflection slow? : 14 Dec 2016
Research papers in the .NET source : 12 Dec 2016
Open Source .NET – 2 years later : 23 Nov 2016
Open Source .NET – 1 year later - Now with ASP.NET : 15 Jan 2016
Open Source .NET – 1 year later : 08 Dec 2015

AOT

CoreRT - A .NET Runtime for AOT : 07 Jun 2018

ASP.NET

ASCII Art in .NET Code : 25 Apr 2019

Adventures in Benchmarking

Adventures in Benchmarking - Performance Golf : 16 May 2016
Adventures in Benchmarking - Method Inlining : 09 Mar 2016
Adventures in Benchmarking - Memory Allocations : 17 Feb 2016

Analytics

Open Source .NET – 4 years later : 04 Dec 2018
Open Source .NET – 3 years later : 19 Dec 2017
Open Source .NET – 2 years later : 23 Nov 2016
Open Source .NET – 1 year later - Now with ASP.NET : 15 Jan 2016
Open Source .NET – 1 year later : 08 Dec 2015

AspNet

Open Source .NET – 4 years later : 04 Dec 2018
Open Source .NET – 3 years later : 19 Dec 2017
Open Source .NET – 2 years later : 23 Nov 2016
Open Source .NET – 1 year later - Now with ASP.NET : 15 Jan 2016

Benchmarking

How do .NET delegates work? : 25 Jan 2017
Why Exceptions should be Exceptional : 20 Dec 2016
Why is reflection slow? : 14 Dec 2016
Adding a verb to the dotnet CLI tooling : 03 Oct 2016
Optimising LINQ : 29 Sep 2016
Analysing Optimisations in the Wire Serialiser : 23 Aug 2016
Adventures in Benchmarking - Performance Golf : 16 May 2016
Adventures in Benchmarking - Method Inlining : 09 Mar 2016
Adventures in Benchmarking - Memory Allocations : 17 Feb 2016
The Art of Benchmarking (Updated 2014-09-23) : 19 Sep 2014

C#

Is C# a low-level language? : 01 Mar 2019
A DoS Attack against the C# Compiler : 08 Nov 2017
Analysing C# code on GitHub with BigQuery : 12 Oct 2017
Lowering in the C# Compiler (and what happens when you misuse it) : 25 May 2017
Roslyn code base - performance lessons (part 2) : 10 Jun 2014
Roslyn code base - performance lessons (part 1) : 05 Jun 2014

CLI

Adding a verb to the dotnet CLI tooling : 03 Oct 2016
How the dotnet CLI tooling runs your code : 04 Jul 2016

CLR

Under the hood of "Default Interface Methods" : 19 Feb 2020
"Stubs" in the .NET Runtime : 26 Sep 2019
"Stack Walking" in the .NET Runtime : 21 Jan 2019
Exploring the .NET Core Runtime (in which I set myself a challenge) : 13 Dec 2018
A History of .NET Runtimes : 02 Oct 2018
Fuzzing the .NET JIT Compiler : 28 Aug 2018
Monitoring and Observability in the .NET Runtime : 21 Aug 2018
Presentations and Talks covering '.NET Internals' : 12 Jul 2018
.NET JIT and CLR - Joined at the Hip : 05 Jul 2018
Tools for Exploring .NET Internals : 15 Jun 2018
CoreRT - A .NET Runtime for AOT : 07 Jun 2018
Taking a look at the ECMA-335 Standard for .NET : 06 Apr 2018
Exploring the internals of the .NET Runtime : 23 Mar 2018
How generics were added to .NET : 02 Mar 2018
Resources for Learning about .NET Internals : 22 Jan 2018
A look at the internals of 'Tiered JIT Compilation' in .NET Core : 15 Dec 2017
DotNetAnywhere: An Alternative .NET Runtime : 19 Oct 2017
A look at the internals of 'boxing' in the CLR : 02 Aug 2017
Memory Usage Inside the CLR : 10 Jul 2017
How the .NET Runtime loads a Type : 15 Jun 2017
Adding a new Bytecode Instruction to the CLR : 19 May 2017
Arrays and the CLR - a Very Special Relationship : 08 May 2017
The CLR Thread Pool 'Thread Injection' Algorithm : 13 Apr 2017
The .NET IL Interpreter : 30 Mar 2017
A Hitchhikers Guide to the CoreCLR Source Code : 23 Mar 2017
The 68 things the CLR does before executing a single line of your code (*) : 07 Feb 2017
How do .NET delegates work? : 25 Jan 2017
Analysing Pause times in the .NET GC : 13 Jan 2017
Why Exceptions should be Exceptional : 20 Dec 2016
Why is reflection slow? : 14 Dec 2016
How does the 'fixed' keyword work? : 26 Oct 2016
Compact strings in the CLR : 19 Sep 2016
Subverting .NET Type Safety with 'System.Runtime.CompilerServices.Unsafe' : 14 Sep 2016
Analysing .NET Memory Dumps with CLR MD : 06 Sep 2016
Preventing .NET Garbage Collections with the TryStartNoGCRegion API : 16 Aug 2016
GC Pauses and Safe Points : 08 Aug 2016
Visualising the .NET Garbage Collector : 20 Jun 2016
Strings and the CLR - a Special Relationship : 31 May 2016
Learning How Garbage Collectors Work - Part 1 : 04 Feb 2016
Know thy .NET object memory layout (Updated 2014-09-03) : 04 Jul 2014

CLR Profiling

How to mock sealed classes and static methods : 14 Aug 2014

CoreCLR

Adding a verb to the dotnet CLI tooling : 03 Oct 2016
How the dotnet CLI tooling runs your code : 04 Jul 2016

CoreFX

ASCII Art in .NET Code : 25 Apr 2019

Debugging

Subverting .NET Type Safety with 'System.Runtime.CompilerServices.Unsafe' : 14 Sep 2016
Analysing .NET Memory Dumps with CLR MD : 06 Sep 2016

ETW

Analysing .NET start-up time with Flamegraphs : 03 Mar 2020
Adventures in Benchmarking - Method Inlining : 09 Mar 2016
Adventures in Benchmarking - Memory Allocations : 17 Feb 2016

Garbage Collectors

Analysing Pause times in the .NET GC : 13 Jan 2017
How does the 'fixed' keyword work? : 26 Oct 2016
Preventing .NET Garbage Collections with the TryStartNoGCRegion API : 16 Aug 2016
GC Pauses and Safe Points : 08 Aug 2016
Visualising the .NET Garbage Collector : 20 Jun 2016
Adventures in Benchmarking - Method Inlining : 09 Mar 2016
Adventures in Benchmarking - Memory Allocations : 17 Feb 2016
Learning How Garbage Collectors Work - Part 1 : 04 Feb 2016
Measuring the impact of the .NET Garbage Collector : 18 Jun 2014

Generics

How generics were added to .NET : 02 Mar 2018

Hardware

Exploring the BBC micro:bit Software Stack : 28 Nov 2017

Internals

Under the hood of "Default Interface Methods" : 19 Feb 2020
"Stubs" in the .NET Runtime : 26 Sep 2019
"Stack Walking" in the .NET Runtime : 21 Jan 2019
Exploring the .NET Core Runtime (in which I set myself a challenge) : 13 Dec 2018
Monitoring and Observability in the .NET Runtime : 21 Aug 2018
Presentations and Talks covering '.NET Internals' : 12 Jul 2018
.NET JIT and CLR - Joined at the Hip : 05 Jul 2018
Tools for Exploring .NET Internals : 15 Jun 2018
CoreRT - A .NET Runtime for AOT : 07 Jun 2018
Taking a look at the ECMA-335 Standard for .NET : 06 Apr 2018
Exploring the internals of the .NET Runtime : 23 Mar 2018
How generics were added to .NET : 02 Mar 2018
Resources for Learning about .NET Internals : 22 Jan 2018
A look at the internals of 'Tiered JIT Compilation' in .NET Core : 15 Dec 2017
Exploring the BBC micro:bit Software Stack : 28 Nov 2017
DotNetAnywhere: An Alternative .NET Runtime : 19 Oct 2017
A look at the internals of 'boxing' in the CLR : 02 Aug 2017
Memory Usage Inside the CLR : 10 Jul 2017
How the .NET Runtime loads a Type : 15 Jun 2017
Adding a new Bytecode Instruction to the CLR : 19 May 2017
Arrays and the CLR - a Very Special Relationship : 08 May 2017
The 68 things the CLR does before executing a single line of your code (*) : 07 Feb 2017
How do .NET delegates work? : 25 Jan 2017
Why Exceptions should be Exceptional : 20 Dec 2016
Why is reflection slow? : 14 Dec 2016
How does the 'fixed' keyword work? : 26 Oct 2016
Compact strings in the CLR : 19 Sep 2016
Strings and the CLR - a Special Relationship : 31 May 2016

JIT Compiler

.NET JIT and CLR - Joined at the Hip : 05 Jul 2018
A look at the internals of 'Tiered JIT Compilation' in .NET Core : 15 Dec 2017
Adding a new Bytecode Instruction to the CLR : 19 May 2017
How does the 'fixed' keyword work? : 26 Oct 2016
The Art of Benchmarking (Updated 2014-09-23) : 19 Sep 2014

JIT Compiler

.NET JIT and CLR - Joined at the Hip : 05 Jul 2018
A look at the internals of 'Tiered JIT Compilation' in .NET Core : 15 Dec 2017
Adding a new Bytecode Instruction to the CLR : 19 May 2017
How does the 'fixed' keyword work? : 26 Oct 2016
The Art of Benchmarking (Updated 2014-09-23) : 19 Sep 2014

LINQ

Optimising LINQ : 29 Sep 2016

Mocking

How to mock sealed classes and static methods : 14 Aug 2014

Mono

Research based on the .NET Runtime : 25 Oct 2019

Open Source

Research based on the .NET Runtime : 25 Oct 2019
Open Source .NET – 4 years later : 04 Dec 2018
Open Source .NET – 3 years later : 19 Dec 2017
Exploring the BBC micro:bit Software Stack : 28 Nov 2017
Microsoft & Open Source a 'Brave New World' - CORESTART 2.0 : 14 Nov 2017
A DoS Attack against the C# Compiler : 08 Nov 2017
Lowering in the C# Compiler (and what happens when you misuse it) : 25 May 2017
The CLR Thread Pool 'Thread Injection' Algorithm : 13 Apr 2017
The .NET IL Interpreter : 30 Mar 2017
A Hitchhikers Guide to the CoreCLR Source Code : 23 Mar 2017
Research papers in the .NET source : 12 Dec 2016
Open Source .NET – 2 years later : 23 Nov 2016
Open Source .NET – 1 year later - Now with ASP.NET : 15 Jan 2016
Open Source .NET – 1 year later : 08 Dec 2015
Stack Overflow - performance lessons (part 1) : 01 Sep 2014
Roslyn code base - performance lessons (part 2) : 10 Jun 2014
Roslyn code base - performance lessons (part 1) : 05 Jun 2014

Optimisations

Optimising LINQ : 29 Sep 2016
Analysing Optimisations in the Wire Serialiser : 23 Aug 2016
Adventures in Benchmarking - Performance Golf : 16 May 2016

Performance

Optimising LINQ : 29 Sep 2016
Analysing Optimisations in the Wire Serialiser : 23 Aug 2016
Adventures in Benchmarking - Performance Golf : 16 May 2016
The Art of Benchmarking (Updated 2014-09-23) : 19 Sep 2014
Stack Overflow - performance lessons (part 2) : 05 Sep 2014
Stack Overflow - performance lessons (part 1) : 01 Sep 2014
Know thy .NET object memory layout (Updated 2014-09-03) : 04 Jul 2014
Measuring the impact of the .NET Garbage Collector - An Update : 23 Jun 2014
Measuring the impact of the .NET Garbage Collector : 18 Jun 2014
Roslyn code base - performance lessons (part 2) : 10 Jun 2014
Roslyn code base - performance lessons (part 1) : 05 Jun 2014

Performance Lessons

Stack Overflow - performance lessons (part 2) : 05 Sep 2014
Stack Overflow - performance lessons (part 1) : 01 Sep 2014
Roslyn code base - performance lessons (part 2) : 10 Jun 2014
Roslyn code base - performance lessons (part 1) : 05 Jun 2014

Profiling

Analysing .NET start-up time with Flamegraphs : 03 Mar 2020
Coz: Finding Code that Counts with Causal Profiling - An Introduction : 30 Mar 2016

Research

Research based on the .NET Runtime : 25 Oct 2019
The CLR Thread Pool 'Thread Injection' Algorithm : 13 Apr 2017
Research papers in the .NET source : 12 Dec 2016
Coz: Finding Code that Counts with Causal Profiling - An Introduction : 30 Mar 2016

Roslyn

ASCII Art in .NET Code : 25 Apr 2019
Open Source .NET – 4 years later : 04 Dec 2018
Open Source .NET – 3 years later : 19 Dec 2017
A DoS Attack against the C# Compiler : 08 Nov 2017
Lowering in the C# Compiler (and what happens when you misuse it) : 25 May 2017
Open Source .NET – 2 years later : 23 Nov 2016
Open Source .NET – 1 year later : 08 Dec 2015
Roslyn code base - performance lessons (part 2) : 10 Jun 2014
Roslyn code base - performance lessons (part 1) : 05 Jun 2014

Speaking

Microsoft & Open Source a 'Brave New World' - CORESTART 2.0 : 14 Nov 2017
Technically Speaking - Anniversary Mentoring : 16 Feb 2016

Stack Overflow

The Stack Overflow Tag Engine – Part 3 : 29 Oct 2015
The Stack Overflow Tag Engine – Part 2 : 19 Aug 2015
The Stack Overflow Tag Engine – Part 1 : 01 Nov 2014
Stack Overflow - performance lessons (part 1) : 01 Sep 2014

Tag Engine

The Stack Overflow Tag Engine – Part 3 : 29 Oct 2015
The Stack Overflow Tag Engine – Part 2 : 19 Aug 2015
The Stack Overflow Tag Engine – Part 1 : 01 Nov 2014

dynamic code generation

How to mock sealed classes and static methods : 14 Aug 2014

indexing

The Stack Overflow Tag Engine – Part 3 : 29 Oct 2015
The Stack Overflow Tag Engine – Part 2 : 19 Aug 2015
The Stack Overflow Tag Engine – Part 1 : 01 Nov 2014

lucene

The Stack Overflow Tag Engine – Part 1 : 01 Nov 2014