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Yesterday Visual Studio 2010 was released. This is very exciting, however from the moment I played with very first preview versions I had concerns regarding the performance of it code editor. So today I had some time to perform small face-to-face battle between different versions of Visual Studio – 2005, 2008 and 2010 (Sorry, I did not found VS2002 to test).
I used very slow machine with 256Mb of RAM running Windows XP as a reference for comparison. First of all I installed each one of those programs. I used customized installation to install only C# programming modules.
Then I tested cold start (first application start) and hot start (average of 5 forecoming starts), creation and opening of new console application project. And finally the real world test. Typing in, compilation and run of “Hello World” sample. This includes opening of context menus, tools and options.
I used “Hello World” sample from MSDN for type-in experience. Just for reference, I used small program I wrote to calculate typing speed (this takes into account that most of text is generated by the same macros and shortcuts e.g. “cw”)
|Installation||10 min||20 min||40 min|
|Cold start||1.2 sec||3.9 sec||28 sec|
|Hot start||0.3 sec||1.3 sec||4.5 sec|
|Start new project (Ctrl-Shift-N)||0.2 sec||3.2 sec||2 sec|
|Create new Console Application||16 sec||3 sec||24 sec|
|Clear working screen (Ctrl-A + Del)||0.4 sec||0.2 sec||1.2 sec|
|Type in “Hello World”||41 sec||56 sec||1 min 43 sec|
|Average type rate||93 wpm||68 wpm||35 wpm|
|Average UI response (how long it takes to open menu/hint)||0.7 sec||1.6 sec||3.5 sec|
|Installation/Uninstallation disk delta||40Mb||60Mb||2.3Gb*|
|Memory footprint (for this project)||6Mb||17Mb||65Mb|
|Disk space required||1.4Gb||2.6Gb||3.9Gb|
* Can anybody from DevDiv, please, explain me why when I want to install only C# (this is the only checkbox marked during custom installation), you install for me:
There are some new and pretty eye-candies for VS2010, also support for newer compilers and interpreter. However, my final verdict is “I disappointed”…
I feel a big degradation of productivity between following versions of Visual Studio. In terms of speed, responsiveness and ability to perform everyday developers’ tasks. That’s right, that there are new features, but we should remember that the main purpose of this program is to support writing code.
I hope that MS DevDiv will take this into account and review it understanding of how development environment should be. I, personally, stay with VS2008 without .NET 4.0 (I have my special opinion about this version of .NET, which worse separate post)
If you old enough, you should remember HomeSite. It was beaten by editor named Notepad.exe (or it variants and alternatives) for HTML developers because of it unresponsiveness and unnecessary cumbersomeness of this program. Running after features killed the main purpose – write effective code fast and correct. This how I forecast the future of Visual Studio. Pity me…
P.S. Sorry, I did not write here for a while. This because of a lot of exiting things I did for the last two years. I promise to write more. Frankly! I swear, I will try to!
UPD 14-Apr: For all people have comments about my production environment and a validity of my measurements there, please see how it looks on my work machine (E8400, 8Gb RAM and NVIDIA GeForce 9600 GT)
April 13th, 2010 · Comments (22)
As for me, there are only two kinds of projects – hobbyist’s nifty tools and systems (scale may wary). The main difference between those is the easiness of making changes and refactoring. Other words, how many other developers I should persuade to do it just because “In the final analysis, it’s their war” – JFK. But what can be the good reason for such fast talk? – “You code sucks or at least it ought to”.
“Every generation needs a new revolution” – Thomas Jefferson
So, in order to win such revolution for “systems” you absolutely need static analysis tools like NDepend. Those tools are not intended for being your advocates, but those intended to help you to understand all risks and approximate the amount of work should be done to fulfill another revolution.
Unfortunately, you cannot use such tools for fair measuring of code quality because of Computer Science rules of thumb. How to decide whether “methods is too big” or “method is too complex”? However you can (and should) use it for dependencies risk detection. For example, in following illustration you can clear understand that any change inside BetterPlace.Core or BetterPlace.Model assemblies (and namespaces) can be painful.
Now the only question is who is responsible of modules, using it and how long will it take to convince them to make a revolution.
From here you can start using CQL (Code Query Language) which is SQL like language invented by Patrick, the author of NDepend, for querying code elements and sections. By using it, you can define what “method is too big” means in terms of your project.
SELECT METHODS WHERE NbLinesOfCode > 300 ORDER BY NbLinesOfCode DESC
Or see where you should replace method overloads by default arguments, introduced in .NET 4.0
SELECT METHODS WHERE NbOverloads > 1 ORDER BY NbOverloads DESC
Then, when you marked all places and human targets for revolution, you can start it. After you done, you can even compare builds and measure the amount of work and quality of results achieved.
To finalize, I just touched the tip of what good static analysis tool can be used for. So get it, learn it and use it not only when you need to make a revolutions, but also during your application design and build process to be aware about how the new monster created will looks like.
Proper disclosure: Apr 15, Patrick, the author of NDepend, asked me to review his tool and offer one license for evaluation. I told him, that do not need to evaluate it because I’m using it for a while (also I had the license of my own) and I’ll be happy to write a review once I’ll have a bit time for it. Now it happened. Thank you, Patrick, for such good work!
July 27th, 2009 · Comments (2)
A couple of weeks ago, Packt publishing asked me to review Gastón C. Hillar book “C# 2008 and 2005 Threaded Programming: Beginner’s Guide”. They sent me a copy of this book and today, I’m ready to write a review for it. But before I’ll start reviewing it, I want to apologize to the publisher and author for the impartial review.
First of all, you should understand, that this book is about how it possible (for this book author) to write four programs (with awful user interface) using different classes from System.Threading namespace to perform tasks, rather then what is multithreaded programming and how to achieve best performance by utilizing multiple CPU power. Your own programs will not run faster after reading this book, but you’ll probably know (if you did not know before) how to use BackgroundWorker, Thread, ThreadPool, AutoResetEvent and WaitHandle classes. Also, there is a small chapter about thread context switching for UI thread delegates invocation and parallel extensions.
There are some technical misconceptions and errors in this book. But it is not the major problem of it. The problem is that while reading this book I question myself whom this book aimed at? Language style is somewhere between blog chatting (better then mine) and MSDN style documentation. I admit I don’t know quite how to categorize this, the author writes in a style that is just bizarre (even more bizarre then mine in this blog ) Overall, it sounds like I’m reading a conversation between two beginner-level programmers trying to explain one each other why they are using certain coding convention in C#.
Another half of this 395 pages book is just copy-paste stuff from Visual Studio (including it default tabulations and indentations). Here one of representative examples of such copy/paste
// Disable the Start button
butStart.Enabled = false;
// Enable the Start button
butStart.Enabled = true;
// Some very useful property, which used as private member for another public property
private int priVeryUserfulProperty;
public int VeryUserfulProperty
priVeryUserfulProperty = value;
Verdict: Not very exemplary introduction to some classes inside System.Threading namespace for fellow students who like to read blogs, rather then books and documentation and do not want to understand how it works under the hoods, but write something and forget it.
3- of 5 on my scale. This book is not all bad, though, but apparently suitable for very specific audience, which definitely excludes me.
March 20th, 2009 · Comments (9)
If you’re smoking, you know how it to flight more, then two hours when you cannot smoke. Also, you know hw it feels when outside is cold or rainy, but you should come outside to smoke. When you’re in pub with friends and a pint of good beer, but you cannot satisfy with your drink, when each 10 minutes you need to go outside to smoke. This why, I ordered electronic cigarette, that so far become my favorite gadget.
It’s absolutely perfect device. It produce odorless warm smoke and filled with real nicotine. It much healthier, then real cigarette, while you have a feeling of real smoke. And the most important thing, that you can smoke it in all places, where smoking prohibited.
The pack contains of two rechargeable batteries, charger, inhaler and nicotine cartridges. All you have to do it so mount cartridge and start smoking
It feels like regular cigarette, tastes like regular cigarette, smells (for smoker, not for all around) like regular cigarette, but it is not regular cigarette, thus you can smoke whenever you want and where ever you want.
January 20th, 2009 · Comments (3)
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