Tag Archives: DWorkSim

DWorkSim v0.2

DWorkSim stands for Deterministic Workflow Simulator. It's a software created by me with my TextureMind Framework for testing image transmission in remoting protocols, like Microsoft Remote Desktop or AWS DCV. Frames are identified by the number in the top-left corner. Frames with the same number will have always the same pixels, even if they are generated in different moments, on different machines.

DWorkSim is a good alternative to raw images for instantaneous PSNR estimation during the transmission of the animation sequence. It's probably the only software in the world that allows you to do that, because the other softwares don't have support for frames generation and PSNR estimation. You can make also all the estimation you can make comparing two images, like image coherence, blurrines, pixel accuracy, color distortion and text readability. DWorkSim is now version 0.2. It can generate images to test GPU and CPU. The GPU test is different than the test for the CPU, for being more appropriate. The GPU test is performed with Vulkan libraries while the test with the CPU with the Cairo libraries. The GPU test contains two shaders taken from shadertoy:

DWorkSim is Freeware for now, so you can use it for testing your software. For the download, visit:

DWorkSim – Deterministic Workflow Simulator

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DWorkSim – Deterministic Workflow Simulator

This application was created with the aim of generating an animated scene where the frames are always the same. Each frame is associated with a number, so it is possible to capture individual frames and compare them, to see if there are any differences if the frames were manipulated by a second application, such as remote display protocol. Furthermore, the workflow is generated without excessive computational cost, so it can be used to calculate the performance of the remote display protocol, without excessive impact on the entire system. This software is freeware, so you can use it for free, even for commercial products ( see that you cannot distribute this software, sell it, change author's name or modify the content: read the EULA document in the zip file for more information).

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