High-end mobile devices can satisfy our infinite desire for cutting-edge technology, but mid-range mainstream mobile phones should not be synonymous with cheap, and should have a certain level of performance and relatively advanced features. Although high-end products will receive higher media attention, half of the global smartphone market is still mainstream mobile phones, not high-end devices. When producing the high-capacity chips required for this market segment, the system-on-chip area has a significant impact on the final cost. In order to guarantee a certain quality performance within the budget, chip area has become the key to reducing costs.
As the second GPU under Bifrost's innovative architecture, the Mali-G51 is the first Bifrost GPU based on the ARM® high-area roadmap. With new ARM bandwidth and power technology, the chip area is streamlined. The Mali-G51 is the most cost-effective GPU product on the market, with an area efficiency and energy efficiency up to 60% compared to the Mali-T830.
The Mali-G51 is designed to create a high-end experience for mainstream devices, supporting everything from real-world enhancements (AR) to virtual spaces to casual games and smooth user interfaces.
Bifrost helps mainstream mobile phone development
In May 2016, we released the first Bifrost-based GPU, the Mali-G71, which uses the high-performance new Bifrost architecture for high-end mobile applications, supporting VR games and other complex and power-hungry content; Doesn't mean Bifrost sacrifices everything, focusing only on high-end mobile performance. At the beginning of the design, Bifrost took into account the different needs of all equipment to achieve the best performance.
Tailored for the mainstream smartphone market, the Mali-G51 introduces the Bifrost architecture into different market segments, adjusting the architectural features and functions based on the size and power consumption of mainstream handsets. Each function of the underlying architecture is carefully analyzed and evaluated in a realistic graphics environment to ensure that the image processing of the mainstream models is balanced with the operation of the entire machine.
Bifrost's low-order instruction set directly controls the compiler, and this feature is further optimized on the Mali-G51 to achieve rebalancing of power-sensitive graphics loads. Not only that, the new dual-pixel shader core doubles the texels and pixel rates and supports an asymmetric single-pixel shader core for further device configurability and flexibility.
Energy efficiency optimization
As we all know, the challenges faced by mobile platforms are unique, and other devices are hard to compare. The phone cannot be configured with a cooling fan for the computer to cool down, and there is no direct power connection to increase battery life. Every component of the SoC is constantly consuming and generating heat at any time. The bevel of the new mobile device is gradually narrowing, and the screen becomes larger, but it does not have the heat dissipation function like metal, and the heat dissipation becomes more and more difficult. Reducing the power consumption of the GPU and using the energy saved in other parts of the SoC can significantly reduce the thermal stress on the GPU from the device, making the system consume less than the total budget - this is a smart phone that extends battery life and ensures a smooth user experience. The only way to go.
AFBC 1.2
Another feature of the Mali-G51 GPU is also exciting, with the new bandwidth-saving technology AFBC 1.2, which improves GPU performance with limited bandwidth and improves display processor performance under the rotating mobile screen use case.
AFBC 1.2 increases the constant color block compression ratio, significantly reducing the bandwidth of the user interface and 2D graphics applications. Fully backward compatible with previous versions, AFBC fully supports the Mali Multimedia Graphics Suite (MMS) and the display and video processor with the new Mali-V61. Thanks to system-level optimizations such as AFBC 1.2, Adaptive Scalable Texture Compression and ARM TrustZone®, all MMS components work seamlessly to further optimize performance, reduce bandwidth usage and reduce time-to-market.
Virtual space and AR
When it comes to the task burden of mobile systems, VR can be said to be a demanding application in today's use cases. Getting a fully immersive experience from a VR game consumes a lot of energy and requires comprehensive performance optimization; but that doesn't mean you can enjoy the virtual world only by buying top-of-the-line devices. As a market segment, low-power VR is rapidly emerging to advance and implement everyday virtual interactions.
"Virtual space" is an AAA-quality, high-quality VR game that can be implemented without the need for fully interactive, highly reactive components. Virtual space is designed to create limited space that supports interaction between people in space; while preserving static surroundings to minimize GPU load. It can be said that virtual space is a commercial application of virtual reality. You can write seamlessly in the virtual meeting room with team members, colleagues and customers around the world. It is like being in the place.
From a social point of view, you can meet up with friends in a comfortable environment in a virtual space, face to face, but you don't have to leave your home sofa from start to finish. Look directly at each other, respond in real time, even if they are thousands of miles apart, as close as possible.
In fact, mainstream GPUs such as the Mali-G51 have been greatly optimized in terms of chip area and power consumption to support low-power VR solutions. In other words, more and more users can experience the VR world. Businesses no longer need to be constrained by increasingly demanding technology budgets, and everyday consumers can experience future virtual communications without investing a lot of money.
With the implementation of the Mali-G51 GPU design, the ARM Mali team is very pleased to help the market achieve significant cost savings and lower power consumption. We can't wait to see the application of these technologies in the next generation of mobile devices in 2018.
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