Tag: C#

Synchronisation in .NET – Part 4: Partitioned Locks

Reading Time: 4 min, Date: 2014-01-05

In this final instalment of the synchronisation series, we will look at fully scalable solutions to the problem first stated in Part 1: adding monitoring to a high speed app where that 4...

Synchronisation in .NET – Part 3: Spinlocks and Interlocks/Atomics

Reading Time: 4 min, Date: 2014-01-04

In the previous instalments (Part 1 and Part 2) of this series, we have drawn some conclusions about both .NET itself and CPU architectures. Here is what we know so far: In this blog I will...

Synchronisation in .NET – Part 2: Racy Data Structures, Padding and False Sharing

Reading Time: 4 min, Date: 2013-12-27

In the previous blog post we saw how the lock() statement in .NET scales very poorly when there is a contention on a data structure. It was clear that a performance logging framework that...

Synchronisation in .NET– Part 1: lock(), Dictionaries and Arrays

Reading Time: 5 min, Date: 2013-12-25

As part of our tuning efforts at Livedrive, I ran into a deceptively simple problem that beautifully illustrates some of the scale principles I have been teaching to the SQL Server for I...