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Linux Graphics Leftovers

Submitted by Roy Schestowitz on Wednesday 9th of June 2021 11:08:01 PM Filed under
Graphics/Benchmarks
Linux
  • Microsoft's Hyper-V DRM Display Driver Will Land For Linux 5.14 [Ed: Microsoft turning 'Linux' into proprietary software of Microsoft]

    Last summer Microsoft engineers posted a DRM kernel display driver for their Hyper-V synthetic video device. One year later after going through a few rounds of code review, this Hyper-V DRM driver will be going mainline with the upcoming Linux 5.14 kernel cycle.

  • Intel Finishes Linux 5.14 Graphics Driver Feature Work With More Alder Lake P Code

    Intel's open-source graphics driver engineers have sent in their final feature pull request to DRM-Next of new material they are wanting incorporated into Linux 5.14.

  • I'm Gonna Pretend I Didn't See That

    At present, mainline zink uses a hammer-and-nail methodology that I came up with last year: the total amount of GPU memory in use by resources in a given cmdbuf is tracked, and that amount is tracked per-context. If the in-use context memory exceeds a threshold of the total VRAM, the driver stalls, thereby freeing up all the resources that are in use so they can be recycled into new ones.

    There’s a number of problems with this approach, but the biggest one is that it fails to account for cases like a AAA game that just uses as much memory as it can in order to optimize performance/resolution/graphics. I discovered such a case some time ago while running Tomb Raider, and then I set out to improve things since it was costing me about 10% of my perf on the title screen.

    The annoying part of this problem is that the piglit test is a very uncommon case, and it’s tricky to handle it in a way that doesn’t also impact other cases which appear similar but need to not get memory-clamped. As a result, it’s tough to really do anything based on “overall” memory usage.

    In the end, what I decided on was using the per-cmdbuf memory usage counter to trigger a check for completed cmdbufs on submit, iterating over all the pending ones to check whether they’ve completed, resetting them and freeing associated resources when possible. This yields good memory reclaiming behavior for problem cases while leaving games like Tomb Raider untouched and definitely not deadlocking or anything like that.

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today's howtos

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    In this tutorial, we are going to explore how to install go on Ubuntu 22.04 Golang is an open-source programming language that is easy to learn and use. It is built-in concurrency and has a robust standard library. It is reliable, builds fast, and efficient software that scales fast. Its concurrency mechanisms make it easy to write programs that get the most out of multicore and networked machines, while its novel-type systems enable flexible and modular program constructions. Go compiles quickly to machine code and has the convenience of garbage collection and the power of run-time reflection. In this guide, we are going to learn how to install golang 1.19beta on Ubuntu 22.04. Go 1.19beta1 is not yet released. There is so much work in progress with all the documentation.

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  • How To Install MongoDB on AlmaLinux 9 - idroot

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