![]() ![]() This is a temporary disk you can create by using some of the RAM memory. If you have enough room left in your RAM capacity you can make a so called ‘RAM disk’. Remember I mentioned earlier that PixInsight will use swap storage even if there is still RAM available. In order for PixInsight to be able to perform this parallel I/O operations, we simply need to add more swap storage folders like explained above. This is especially the case when used with fast disks like SSD. You could imagine scenarios where PI can write the output while retrieving some other data from the swap storage. But what if we would have more disks available? In that case we could use parallel I/O operations to optimise the bandwith.īut even if you have only 1 disk available PixInsight will still be able to benefit in some cases from parallel I/O operations to the same disk. In such a case we are bottlenecked by the I/O speed of the disk. In some scenarios the processor might actually be waiting for some data to be retrieved from the swap storage. The speed involved here is what we call ‘disk I/O’ or disk Input/Output. Without knowing anything else we can already appreciate the performance improvement you’ll get in PixInsight if you use fast disk drives like SSD or maybe even M2 drives the faster PixInsight can write and read from the swap file storage, the faster it can execute the processes. It’s often called an extension of the RAM memory that will be used, but it is important to realise that PixInsight will use the swap storage even when RAM memory is still available. This means that PixInsight will write temporary data to the disk of your computer and retrieve it again while executing certain processes. PixInsight will use a lot of so called ‘swap storage’. If you’d like to understand what you just did and learn how you can further improve the swap performance, just read on below. Repeat this a few times until you have between 4 and 8 directories listed. When clicking ‘Add’ it will open up the file browser where you can select a temp directory. Now click the ‘Add’ button and add another (or the same!) directory. By default it will probably show something like ‘/tmp’. On the right hand side of the window you see a list of ‘Swap storage directories’. You’ll see a window similar to the one shown below: In this window go to ‘Directories and Network’. This will open up the Preferences window. In PixInsight, go to Edit -> Global Preferences. I’ll explain a bit more about what it is and what it does, along with my personal tests and results in this article.įor those who are just interested in the improvement I’ll start with the short instruction what you’ll need to do. There is an easy way to increase the performance of PixInsight by optimising the swap file storage. ![]()
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