I have to start off by saying that I do love this book. I will keep it as a reference book for quite a while. I would have given it a 4.5.. but it's not worth a 4..
The 4.5 is because there are various grammatical errors throughout the book. Not only general English grammar issues (at one point a sentence seems to just completely stop halfway through it..), but a couple of technical ones too. An example of this is when the author refers to the "copy by value semantics" of reference types. There are also a few spelling mistakes.
Other than that, this book delivered on what I was after. The first few chapters focus on various tools for debugging low-level issues within a .NET application. They range from using SDK tools to paid ones. This is the biggest part of the book I will use for reference.. as it involves various techniques that I, even after 6+ years in .NET have never had to use. Although, in all honesty.. I don't know if I ever will refer to these techniques.
The rest of the chapters offer up more of a companion book to Jeffrey Richter's "CLR via C#". I feel like this book explains things like Garbage Collection and the CLR's memory management in much more detail. For example, this book covers various runtime implementation details that CLRvC# merely refers to AS implementation details, without covering them. if you're like me and enjoy hearing some of these implementation details that most people prefer not to care about, then this book may just be for you. I also enjoyed the CPU cache discussion; it's interesting to see how the CPU cache is affected given that .NET is such a high level language.
This book is for people who want a better understanding of how all of the lower-level details work.
Summary: Did I learn anything from this book? Most definitely.
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Customers say
Customers appreciate the book's content, with one review highlighting its good explanation of performance measurement methodologies and tools, and another noting its coverage of runtime implementation details. The writing quality receives mixed feedback, with some customers finding it well written while others mention occasional grammatical errors.
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7 customers mention content, 6 positive, 1 negative
...deals with the performance measuremen tools which gives you a very good overview which tools you should consider using to find performance...Read more
...I feel like this book explains things like Garbage Collection and the CLR's memory management in much more detail....Read more
...Sasha does a great job of describing complex topics in an easy to understand way....Read more
...Book starts with good explanation on performance measure methodologies and tools....Read more
4 customers mention writing quality, 2 positive, 2 negative
...if you havent read anything on .net performance this is certainly well written, properly structured and will teach you the basics of all you need...Read more
This book solidifies some fundamentals. Despite the occasional grammatical error, the first seven chapters alone are worth the price of the...Read more
Very well written...Read more
...The 4.5 is because there are various grammatical errors throughout the book....Read more
3 customers mention performance, 2 positive, 1 negative
...The first chapter deals with the performance measuremen tools which gives you a very good overview which tools you should consider using to find...Read more
...It was very shallow on topics such as TPL and diagnostics of perf problems, and I wish it explored more in depth CPU caching and memory guarantees...Read more
Awesome tour through performance issues...Read more
