Imagination DXS GPU Extends Lead in Automotive
Highlights:
- 50% higher peak performance than Imagination’s previous
generation automotive GPU, scaling up to 192GPixel/s, 6 TFLOPS and
24 TOPS
- Up to ten times higher performance for compute workloads
- New innovations in distributed functional safety deliver ASIL-B
functional safety with minimal overhead
Imagination Technologies (“Imagination”) today unveils
Imagination DXS GPU, its latest automotive GPU IP for in-vehicle
intelligence and interaction. DXS is a scalable and flexible GPU IP
designed to process graphics and compute workloads in cockpit,
infotainment and advanced driver assistance systems. It introduces
new innovations in distributed safety, eliminating the overhead of
achieving ASIL-B functional safety on Imagination processors. It
has already been licensed for use in the automotive market.
The Imagination DXS GPU supports the graphics and compute
requirements of an entire vehicle line-up with single core
configurations starting at 0.25 TFLOPS and scaling up to 1.5 TFLOPS
- 50% higher peak performance than Imagination’s previous
generation automotive GPU IP. Imagination’s unique multi-core
technology allows for two, three and four core configurations,
while the low bandwidth bus between cores and support for isolation
suits the use of IMG DXS in chiplets. It adopts relevant features
introduced into the PowerVR architecture in D-Series, such as
Pipelined Data Masters and 2D Dual-Rate Texturing, to boost
performance efficiency by 20% over previous generations of
automotive GPU IP and ensure that it outperforms competitive cores
on real world benchmarks.
“Imagination is a leading provider of GPU IP into automotive,”
says Anshel Sag, Principal Analyst at Moor Insights & Strategy.
“The demand for pixel processing in cars has grown enormously over
the last decade, with digital cockpits, dashboard wide displays and
rear entertainment screens offering smartphone-like visual
experiences. Imagination’s combination of great performance for 3D
graphics, flexible multitasking and a robust approach to safety has
seen its popularity explode.”
DXS is optimised for the compute workloads needed for next
generation vehicle intelligence, such as computer vision and data
processing. By combining the raw performance of DXS with an
additional FP16 pipeline and a set of new compute libraries and AI
toolkits, users can achieve up to ten times higher performance for
compute workloads compared to previous generations.
“The GPU is no longer just used for graphics in cars,” says
James Chapman, Chief Product Officer at Imagination. “The long-term
nature of designing hardware in the era of the software-defined
vehicles is making hardware designers choose flexible and
programmable processors that can handle the AI workloads of today
as well as adapt to whatever the future brings. Today, our
automotive GPUs are as much in demand for their compute abilities
as for their rendering.”
The first Imagination processor to feature “Distributed
Safety Mechanisms”
All functions that a vehicle performs are graded based on
potential risk according to the ISO 26262 Automotive Safety
Integrity Level (ASIL). Automotive manufacturers and their
suppliers must ensure that components involved in that function
meet the necessary standards for fault detection and handling, with
ASIL-A having the least stringent requirements and ASIL-D the most
comprehensive.
Its new “Distributed Safety Mechanisms” solution means DXS
achieves ASIL-B functional safety at a fraction of the Performance,
Power or Area (PPA) overhead of the two main existing methods:
dual-core lockstep, which increases silicon area by 100%, and
workload repetition, which halves processor performance for safety
workloads.
Distributed Safety Mechanisms has a near-zero impact on GPU
performance and 10% area cost. It does this by taking advantage of
the inherent parallelism of today’s processors and the fact that no
thread is ever fully utilised. A patented mechanism combines these
threads into pairs and injects safety tests in idle moments to
identify faults within the timeframe set by the ASIL standard.
Further details on the complete Distributed Safety Mechanisms
solution can be found on the Imagination website in the whitepaper,
“Innovations in Distributed Functional Safety.”
New Compute Libraries and AI Toolkits
Developed alongside the hardware is a new set of compute
libraries (imgBLAS, imgNN, imgFFT) to help software developers
achieve up to 80% GPU utilisation. This will also accelerate common
compute workloads such as computer vision and pre/post processing
perception data for ADAS systems.
The libraries combine with new reference toolkits (oneAPI and
TVM) to create a practical software stack based on open standards
with which software developers can easily port their compute
applications onto Imagination IP based hardware, and from there
maximise their performance.
“Software portability and the ability to take advantage of
heterogeneous hardware is essential to the future of the automotive
industry. The UXL Foundation is looking to provide a clear and easy
path for developers to do this through the ongoing open source
development of the oneAPI standard,” says Rod Burns, Chair of the
UXL Foundation Steering Committee. “Imagination is a long-standing
supporter of our ecosystem and the compute software solutions they
release today reinforce their commitment to building an optimal
developer journey based on open standards.”
“PerfXLab Technologies develops heterogeneous computing software
stacks and infrastructure solutions for companies looking to
accelerate AI,” says Zhang Xianyi, Chief Executive Office at
PerfXLab. “We are using Imagination’s compute software solutions to
run various AI applications, including our LLM inference engine,
PerfXLM, on Imagination GPUs and have so far achieved performance
gains of up to 100% compared to the CPU, with minimal time spent
porting.”
Software
Imagination’s automotive GPUs support OpenGL® ES, Vulkan®,
OpenGL® and OpenCL™. They run popular automotive operating systems
such as QNX and Green Hills Software’s INTEGRITY RTOS, as well as
Linux and Android. Hardware-based virtualisation enables
Imagination GPUs to run up to eight operating systems
simultaneously, with full memory isolation for fully secure GPU
multitasking. Imagination partners with CoreAVI, the global leader
in architecting and delivering safety critical graphics and compute
software drivers and libraries, on the development of a safety
critical driver, supporting OpenGL SC and Vulkan SC for Imagination
GPUs.
“As vehicles become more autonomous, greater emphasis is placed
on their ability to detect and handle faults in an appropriate
manner,” says Dan Joncas, Chief Marketing and Sales Officer &
Deputy CEO, CoreAVI. “By working with us, Imagination is able to
meet the complex requirements of the automotive industry with a
complete safety package covering both hardware and software."
For more information on the Imagination DXS GPU visit the
Imagination website.
About Imagination Technologies
Imagination is a UK-based company that creates silicon and
software IP designed to give its customers an edge in competitive
global technology markets. Its GPU, CPU, and AI technologies enable
outstanding power, performance, and area (PPA), fast
time-to-market, and lower total cost of ownership. Products based
on Imagination IP are used by billions of people across the globe
in their smartphones, cars, homes, and workplaces.
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