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Serious Statistics Review

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Category: Gaming
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Introduction:

A few months ago I had an idea for a project to do, but I allowed other projects to take my focus. The idea was to dive into OCAT, the Open Capture and Analytics Tool AMD released back in December, which is effectively a convenient frontend for PresentMon. PresentMon is a tool that can be used to record frame time and more for games, but from what I have read, it is tricky to set up. On the other hand, OCAT only takes a little button-clicking to get working.

What finally spurred me into starting work on this project was the release of Serious Sam Fusion 2017. The reason this got me going is because it supports three graphics APIs and OCAT/PresentMon is able to capture data for all of them, so I could do some comparisons between them. The three APIs are DirectX 11, OpenGL, and Vulkan. Two things to keep in mind is that the Vulkan support is in beta and that the main purpose of this project was for me to develop processes for processing data, so comparing the APIs is not the highest priority, though it does happen.

Since we are going to be looking at performance here, my system specs are going to be very relevant, so here they are right off the bat:

  • Processor: AMD A10-5800K @ 4.40 GHz (44.0x100)
  • Cooling: Corsair H110
  • Motherboard: ASUS F2A85-M PRO
  • GPU: NVIDIA GTX 1080 8 GB
  • PhysX: NVIDIA GTX 1070 8 GB
  • Memory: G.Skill Ripjaws 4x8 GB (32 GB total) at 1866 MHz 10-10-10-27
  • PSU: OCZ Fata1ty 750 W
  • OS: Windows 10 Pro 64-bit (not Creators Update)
  • Video Drivers: GeForce 378.78 WHQL 64-bit
  • OCAT version 0.9.9

For the data analysis I initially built an Excel template (by the way, the Indirect function is pretty useful) but because it lacks a specific function, I decided to look into a piece of software I had heard of years ago, but never worked with before; the R statistics environment and language. I learned of it while getting my degree in mathematics, but as I was more interested in abstract than applied mathematics, I never got around to actually learning it. Shortly after installing it and figuring out how to load the data into it, I entered full ‘new-toy’ mode, as I kept thinking of new ways to use it and ways to improve what I have already done. It is a somewhat dangerous spiral to my sleeping habits, but my curiosity is largely satisfied now, allowing me to take the time to put together this article.




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