What is GPU rendering?
What is GPU rendering?
Before you understand what GPU rendering is, you need to understand what rendering is.
Rendering is the last step in CG production. It is the process of generating images from a software model. The program calculates the geometry, vertices, and other information of the graphic to be drawn, and then obtains the image.
When performing rendering tasks, the computer's hardware can be divided into two major types of CPU and GPU. The CPU, the central processor, consists of several cores optimized for serial tasks.
The GPU is a graphics processor that enables GPU rendering acceleration by calling GPU-accelerated graphics rendering and padding. It is a massively parallel architecture consisting of thousands of smaller, more efficient cores designed to handle multitasking simultaneously. This speeds up rendering because GPUs are now designed to handle a wide range of computing applications.
What are the advantages of GPU rendering?
In the graphics rendering field, GPUs have the advantages of faster speed and lower cost with their architecture and computing power designed for graphics acceleration. Therefore, compared with CPU, GPU rendering has the advantages of faster speed and lower cost, and the usability of GPU accelerated rendering is also increasing. GPU rendering is welcomed by more and more users.
Currently available GPU renderers:
- Redshift:
It is a GPU-accelerated, biased renderer that uses approximation and interpolation techniques to achieve noise-free rendering results with relatively few samples, and with much faster output than unbiased renderers with equivalent output effects . In terms of rendering effects, Redshift has reached the highest level of GPU rendering and can render image-quality images.
- Blender Cycles
Blender Cycles is an unbiased render engine that uses ray tracing algorithms to provide hyper-realistic rendering. The advantage of the ray tracing algorithm is that the setting parameters are simple, the results are accurate, and the rendering time can be greatly reduced. Cycles can be used as part of Blender or as a standalone renderer.
- NVIDIA Iray
NVIDIA Iray is a highly interactive and intuitive physics rendering technology that creates interactive, complex scenes by simulating real-world lighting and real-world materials to produce photo-realistic images.
- Octane Render
Octane Render is a GPU-accelerated, physics-based, unbiased renderer. This means you can get super-fast photorealistic rendering results using only the graphics card on your computer.
- V-Ray RT
V-Ray RT is the interactive rendering engine of Chaos Group. It can use CPU and GPU hardware to accelerate, and track objects, lights, materials, etc. in real time to change scenes and automatically update dynamic coloring previews.
- Indigo Renderer
The Indigo Renderer is a physics-based global light renderer that simulates the physical representation of light to achieve near-perfect realistic images. With advanced physical camera models, ultra-real material systems and Metropolis Light Transport for complex light environments, the Indigo Renderer meets the high standards of fidelity in architectural and product visualization.
- LuxRender
LuxRender is a physics-based, unbiased renderer. Based on the most advanced algorithms available today, LuxRender simulates the flow of light according to physical equations, resulting in the quality of real photography.
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