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Voron on Linux

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So, this just happened: Note that this is a very important step, but it is just a first step. We have a few Linux experts review the code, and we haven’t even started yet with working on RavenDB itself. But I’m pretty happy right now.

Excerpts from the RavenDB Performance team report: Optimizing Memory Comparisons, size does matter

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Note, this post was written by Federico. In the previous post after inspecting the decompiled source using ILSpy  we were able to uncover potential things we could do. In this fragment we have a pretty optimized method to compare an entire 4 bytes per loop. What if we could do that on 8 bytes? To achieve that we will use a ulong instead of a uint. This type of optimization makes sense for 2 reasons. Most of our users are already running RavenDB in x64 where the native word is 8 bytes and Voron is compiled
on x64 only. But even if that were not true, since the late 2000’ most CPUs would have a 64 bytes L1 cache line with half a cycle cost for a hit. So even if you can’t handle 64 bits in one go and the JIT or processor have to issue 2 instructions you are still getting a L1 cache hit and no pipeline stall. Which is GREAT . So without farther ado, this is the resulting code: Ayende’s note: In the code, the lp += (IntPtr)8/8; is actually defined as lp += 1; What...(Read whole news on source site)

The Morning Brew #1788

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Information .NET Core Open Source Update – Immo Landwerth shares an interesting update on the .NET Core moving to open source, discussing the successes so far, and looking at some of the metrics they use to monitor progress Microsoft Orleans now available on GitHub – Lee Stott highlights the availability of Project Orleans as an […]

Automating your Azure infrastructure with Runbook management

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With Azure automation, it’s now very easy to automate all your long running manual tasks that are repetitively executed in the Azure infrastructure with the help of PowerShell workflows that results in less errors in a better managed way. You can automate the creation, monitoring, deployment, and maintenance of resources in your Azure environment using the Azure Automation solution for Azure.

After creating the
automation account, click on the account and select Runbook from the dashboard
Click New and create a runbook with a title and description as given below
This will open the runbook edit workspace on the portal.
Automation runbooks are implemented as Windows PowerShell workflows. As you can see from the editor window, the workflow starts with a workflow keyword followed by the name of the workflow. You can add parameters...(Read whole news on source site)

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