{"id":1838,"date":"2016-05-22T15:11:50","date_gmt":"2016-05-22T14:11:50","guid":{"rendered":"https:\/\/www.scichart.com\/2016\/05\/22\/extreme-performance-optimization-survey\/"},"modified":"2022-12-09T13:09:19","modified_gmt":"2022-12-09T13:09:19","slug":"extreme-performance-optimization-survey","status":"publish","type":"post","link":"https:\/\/www.scichart.com\/extreme-performance-optimization-survey\/","title":{"rendered":"Extreme Performance Optimization Survey"},"content":{"rendered":"<p>From time to time at SciChart HQ, we get asked for <em>even more performance<\/em>. Yes! I know it&#8217;s crazy,\u00a0SciChart can easily handle <a href=\"https:\/\/www.scichart.com\/wpf-chart-example-performance-demo\/\">10 million points<\/a>\u00a0in real-time (or even up to 100 Million points at 2-4 FPS) in a line-chart, but sometimes we get asked &#8216;well, can you do more?&#8217;<\/p>\n<p style=\"padding-left: 30px\"><em>So &#8230; wait &#8230; you want <span style=\"text-decoration: underline\">more<\/span>\u00a0than 10s of millions of points? &#8230; Ok then! ..\u00a0<\/em><\/p>\n<p>So we had a go to try to optimize certain critical paths of SciChart&#8217;s WPF Chart. Right now, we&#8217;re already using <a href=\"https:\/\/msdn.microsoft.com\/en-us\/library\/aa288474(v=vs.71).aspx\">unsafe code<\/a> (pointer arithmetic in .NET) for our performance critical algorithms, plus <a href=\"http:\/\/support.scichart.com\/index.php?\/Knowledgebase\/Article\/View\/17261\/0\/high-quality-vs-high-speed-vs-directx-renderer-plugins\">DirectX for drawing<\/a>, however there is the potential to move certain critical routines over to C++ with SSE (<a href=\"https:\/\/en.wikipedia.org\/wiki\/Streaming_SIMD_Extensions\">Streaming SIMD Extensions<\/a>), which allow us\u00a0to vectorize and hence accelerate certain numerical methods.<\/p>\n<figure id=\"attachment_12780\" aria-describedby=\"caption-attachment-12780\" style=\"width: 800px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.scichart.com\/wp-content\/uploads\/2016\/05\/Simd-Performance-Wpf-Chart-Prototype.png\" rel=\"prettyphoto\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-12780 size-full\" src=\"https:\/\/www.scichart.com\/wp-content\/uploads\/2016\/05\/Simd-Performance-Wpf-Chart-Prototype.png\" alt=\"Simd-Performance-Wpf-Chart-Prototype\" width=\"800\" height=\"732\" \/><\/a><figcaption id=\"caption-attachment-12780\" class=\"wp-caption-text\"><strong>SciChart WPF Charts SIMD Prototype<\/strong>. 5x performance improvement for some chart types. More performance is possible if we do a whole program optimization.<\/figcaption><\/figure>\n<p>Our prototype was pretty good! In just a few days, we\u00a0managed to increase the overall performance of Resampling algorithms (used for <a href=\"https:\/\/www.scichart.com\/questions\/question\/rendering-high-density-of-data-points\">lossless timeseries reduction<\/a>) by 3-3.5x using C++\/SSE*. That means a time-series chart which renders comfortably with 10M points at 30FPS can now render at the same framerate with 40M points. Or a chart that can render (albeit slowly) with 100M points can now handle 400M points.<\/p>\n<p>But resampling doesn&#8217;t improve everything. In fact, from our own internal tests and extensive experience building High Performance Chart controls we know that <a href=\"http:\/\/scichart.com\/how-fast-is-scichart-wpf-chart\/\">Measuring and Improving Charting Performance is extremely complex<\/a> and with many different pathways, we have to\u00a0change many parts of the code to\u00a0provide an optimum overall solution to deliver super High Performance <a href=\"https:\/\/www.scichart.com\/wpf-chart-features\">WPF Charts<\/a>.<\/p>\n<p>For instance, we can move our rendering code to C++. Currently all our rendering is done in C# using interfaces and we transform points one at a time from data to pixel coordinates and vertices! The whole thing could be improved &#8211; a lot &#8211; if we moved some parts of the code over to C++ and started working in batches.<\/p>\n<p>So, before we embark on this road of painstaking\u00a0optimization, we&#8217;d like to know from you, our\u00a0user base, how important is it to you? We have a simple Yes or No question <strong><em>&#8220;Should we optimize for even more performance?&#8221;.<\/em><\/strong><\/p>\n<p><em>*\u00a0This optimization introduces a dependency on the Visual C++ Runtime, which must be installed on end-user PCs (pretty easy, but you should be aware of it).<\/em><\/p>\n<h2>Survey<\/h2>\n<blockquote><p><em>Please find the survey below. <strong>If you&#8217;d like to comment<\/strong>, please do so at the footer of this article.<\/em><\/p><\/blockquote>\n<p>\/\/ <a style=\"font: 12px Helvetica, sans-serif;color: #999;text-decoration: none\" href=\"https:\/\/www.surveymonkey.com\/mp\/customer-satisfaction-surveys\/\"> Create your own user feedback survey <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>From time to time at SciChart HQ, we get asked for even more performance. Yes! I know it&#8217;s crazy,\u00a0SciChart can [&hellip;]<\/p>\n","protected":false},"author":37,"featured_media":2466,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[208],"tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Extreme Performance Optimization Survey - SciChart<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.scichart.com\/extreme-performance-optimization-survey\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Extreme Performance Optimization Survey - SciChart\" \/>\n<meta property=\"og:description\" content=\"From time to time at SciChart HQ, we get asked for even more performance. 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