Nearly a year ago - at the end of February 2015 - the company Imagination Technologies introduced a new series of graphics core PowerVR Series7XT. The oldest configuration GPU PowerVR GT7900 contains 512 units ALU and can output 800 gigaflops of 32-bit operations. For comparison, in the Maxwell-generation graphics core SoC NVIDIA Tegra X1 when processing FP32 gives 512 gigaflops. Yesterday, at CES 2016 Imagination Technologies company introduced advanced kernel generation Series7XT - Series7XT Plus. However, while the improved version of the core appeared only as the youngest-making: GT7200 Plus (for mainstream smart phones and tablets) and GT7400 Plus (for high-end smartphones).
In general, ALU configuration unchanged. GPU GT7200 Plus consists of two clusters and carries 64 ALU, and GPU GT7400 Plus contains 4 cluster and 128 ALU. Changes have taken place in the other. Developer added support for heterogeneous computing, including work with the shared virtual memory and the ability to operate in machine vision. Support for heterogeneous computing expressed in compatibility with the API OpenCL 2.0, OpenGL ES 3.2 and even API Vulkan. Extras were made architectural improvements such as the harmonization of cache capacity and improve its efficiency, saving up to 10% of the traffic when accessing it; improved performance of the system bus and memory controller.
Interesting improvements aimed at machine vision, including support for deep learning. This was reflected in the special adaptation of the processing unit integer expressions, which is divided into a series of blocks processing FP8, FP16 and FP32. Modernization of the system allowed fourfold increase the speed of processing applications with visualization. Updated GPU can accelerate the recognition of hundreds environmental objects. , for example, Baidu company uses PowerVR Cores to build a network of branded Deep Neural Network (DNN). Appropriate applications are distributed for smartphones and helps users automatically identify parts of the image. So that the new core Series7XT Plus definitely will be in demand.
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