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Oren Eini | Ayende @ Rahien | 12 Dec 2013 10:00
Oren Eini writes "....Note: I started writing a few minutes after starting the performance test, it took that long to run. As you are probably already aware, we used the Immutable Collections package in Voron. That turned out to be a cause for pretty major performance..."
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More on collection performance, immutability and designing for a specific scenario
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Oren Eini | Ayende @ Rahien | 11 Dec 2013 10:00
Oren Eini writes "....I was always somewhat baffled that something that was so obviously required so often can be so expensive with RDBMSes. When diving deep into B-Tree implementation I suddenly found it obvious why that is the case. Let us look at the following B-Tree:..."
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The cost of select count(*) from tbl
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Dave Ward | Encosia | 10 Dec 2013 19:49
Dave Ward writes "....Recently, I read a post about how easy it is to clutter a Mac’s menu bar with various status indicators and icons. When watching people give presentations on MacBooks with a real-world payload of software installed, you do almost begin to..."
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Spoiled by Windows
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Oren Eini | Ayende @ Rahien | 10 Dec 2013 10:00
Oren Eini writes "....One of the annoying things about doing performance work is that you sometimes feel like you found the problem. You fix it, and another pops out. After the previous run of work, we have tackled two important perf issues: Immutable collections –..."
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HotSpot Shell Game
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Rick Strahl | Rick Strahl's Web Log | 09 Dec 2013 22:17
Rick Strahl writes "....Since I got a new machine (Dell XPS 15) last week I decided to re-run my Helios load tests along with a few other usage scenarios and was pleasantly surprised by the improved performance which is boosted by over 30%, but also found some odd..."
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Re-examining ASP.NET and Helios Performance Tests
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Rob Conery | Rob Conery | Wekeroad | 09 Dec 2013 20:49
Rob Conery writes "....I'm building out a Node application - in this case a Blogging engine - and these posts are my adventures building this thing. This is part 8.
http://www.overclockersonline.net/?p=50001662
Feedback So Far
I've received a number of great comments..."
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Minty: Conveying an API
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Oren Eini | Ayende @ Rahien | 09 Dec 2013 10:00
Oren Eini writes "....After the issues we run into with immutable structures, I decided that I still wanted to maintain the same guarantees that immutable data structures gave us, but that still maintain the speed of mutable structures. I managed to do that by making..."
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SafeList, SafeDictionary–fast immutable structures
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Scott Hanselman | Scott Hanselman's Blog | 08 Dec 2013 02:35
Scott Hanselman writes "....I'm really happy with the response from my "Windows 8 moved my cheese" YouTube Tutorial. It's helped thousands of people lose their fear of the change that Windows 8 represents. I encourage you to check it out. I decided to sit down today and create..."
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Three all new Windows 8.1 video tutorials - what's new in 8.1, keyboard shortcuts, and managing windows
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Rob Conery | Rob Conery | Wekeroad | 06 Dec 2013 18:44
Rob Conery writes "....I'm building out a Node application - in this case a Blogging engine - and these posts are my adventures building this thing. This is part 7.
Image Credit: http://cobaltpm.com/keep-it-simple-and-succeed/
This Can Be Simpler
In my post about..."
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Minty: Refactor 1 - Moving To a Document DB
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Oren Eini | Ayende @ Rahien | 06 Dec 2013 10:00
Oren Eini writes "....Why is the performance of an immutable list over 16 times slower than a standard list? I took a peek at what it was actually doing, and it made a lot of sense. In order to maintain efficient indexing access, the actual storage of the data in the..."
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Immutable collections performance, take II
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