Patrick used a Xeon E5-2630 based machine, with an STP of 1,549, and a Core i7-2600 that has an STP of 1,943. CadTempo’s measurement of BricsCAD hardware If you do a lot of rendering, a high-end GPU will make a significant difference in performance. It’s important to know that when you’re editing 3D models, the processing “bottleneck” is usually with the CPU, not the graphic card’s GPUs. When editing 3D models, these cards will allow you to work in a “rendered” visual style with decent performance. RAM is so inexpensive that we recommend at least 16, if not 32GB, but BricsCAD will run just fine in less than 8Gb of memory.įinally, most of today’s graphics cards will work just great with BricsCAD. We also recommend a Solid State Drive (SSD) as your boot / primary drive, and a fast SATA drive as a secondary. We’ll let you do the mathematics on price vs. The higher, the better – but don’t spend foolishly. All the data you ever need to make your selection are here at PassMark Software’s site. The fastest BricsCAD hardware platforms are the ones that have the highest single-thread performance (STP). Not 25%, but 12.5%, because your i7-based PC has eight virtual cores and ( 100/8 = 12.5 ). What does this mean? Quite simply, in a quad-core CPU world, you’ll see BricsCAD – or any CAD application – utilize a maximum of 12.5% on your PC’s performance meter. However, today – the majority of processing that happens when BricsCAD is running on your PC happens in a single thread. BricsCAD can leverage all cores on your PC when you’re rendering an image. dwg files, and when regenerating display objects. BricsCAD can leverage some parallel processing power when loading. The processing needs to be done one entity at a time – serially. Because of this, it’s really tough to process them using parallel techniques. Serial vs ParallelĬAD data – the stuff stored inside your drawings – are structured in a way that creates dependencies between these entities. A four-core CPU runs eight virtual threads. Each physical processor core is split into two virtual cores or threads. A thread represents a virtual processor – Intel calls this Hyper-Threading Technology (HTT) – and it’s a way to get more work out of a physical processor core. You’ll also hear about the concept of “threads”. “Quad-core” means that there are four micro-code execution units inside the CPU package. Most desktop i7 CPUs are quad-core processors. Let’s look at Intel’s current Core i7 series. Two numbers are important when choosing a CPU – processor speed (in GHz) and the number of “cores”. Your BricsCAD hardware choices will depend on it! What is a core? Patrick raised a question at the end of Part 3 of his post regarding CPU performance, and we thought that it would be good to address it here. Patrick detailed his findings, and we were pretty excited to post them here on the Bricsys Blog. More cores or more Ghz? The answer may surprise you.ĭid you read the “ CadTempo and BricsCAD Performance post series written by Patrick Hughes? He’s the author of CadTempo, and he found some really interesting performance numbers when running batch processes in BricsCAD.
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