Mali-G71 High Performance GPU

Mali-G71 Block Diagram.

About Mali-G71

Arm Mali-G71 was the first GPU to implement the Bifrost architecture. Bifrost provides high-end mobile GPUs with the ability to deliver extra computational performance. This extra performance can be used to address the ever advancing complexity of modern use cases such as VR and high fidelity gaming. Bifrost enables these use cases without draining the battery or exceeding the thermal budget of the device.

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Specification

Features Value Description
Anti-Aliasing
4x MSAA.
8x MSAA.
16x MSAA.
Hardware implemented Full Scene Multiple Sample Anti-Aliasing.
API Support
OpenGL® ES1.1, 1.2, 2.0, 3.0, 3.1, 3.2.
Vulkan 1.0*.
OpenCL™ 1.1, 1.2, 2.0.
RenderScript.
Full support for next-generation and legacy 2D/3D graphics applications.
Bus Interface
AMBA®4 ACE, ACE-LITE and AXI.
Compatible with a wide range of bus interconnect and peripheral IP.
L2 Cache
Configurable 128KB-2048KB.
From 1-4 slices, each configurable from 128KB - 512KB.
Memory System
Virtual Memory. Built-in Memory Management Unit (MMU) to support virtual memory.
Multi-Core Scaling
1 to 32 cores.
Optimized for high energy efficiency to address the high-end mobile and consumer device requirements.
Adaptive Scalable Texture Compression (ASTC)
Low Dynamic Range (LDR) and High Dynamic Range (HDR).
Supports both 2D and 3D images.
ASTC offers a number of advantages over existing texture compression schemes by improving image quality, reducing memory bandwidth and thus energy use.
Arm Frame Buffer Compression (AFBC)
4x4 pixel block size. AFBC is a lossless image compression format that provides random access to pixel data to a 4x4 pixel block granularity. It is employed to reduce memory bandwidth both internally within the GPU and externally throughout the SoC.
Transaction Elimination
16x16 pixel block size.
Transaction Elimination spots the identical pixel blocks between two consecutive render targets and performs a partial update to the frame buffer with the changed pixel blocks only, which reduces memory bandwidth and thus energy.
Smart Composition
16x16 pixel block size.
Smart Composition extends the concept of Transaction Elimination to every stage of UI composition. Identical pixel blocks of input surfaces are not read, not processed for composition and not written to final frame buffer.

Performance - Mali G71

Feature Value Description
Frequency 850MHz in 16nm (16 FinFET)
Throughput 850Mtri/s, 27.2Gpix/s in 16nm (16 FinFET)

  • A desktop, a folder, 3D shapes etc.
  • Development Tools for Graphics and Compute Applications

    A range of development tools to assist in the deployment of graphics applications and content on Mali GPU based systems.

  • A phone, a tablet, game console etc.
  • Mali Developer Center

    An online portal for a growing community of developers, technology partners, software vendors and content companies to create a thriving community around Mali embedded graphics IP.

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Community Forums

Answered Why does the CPU perform better than the GPU when blending small areas? 0 votes 1989 views 1 replies Latest 13 days ago by Peter Harris Answer this
Suggested answer E/MaliEGL: FindAppHintInFile open fail errno=0x2 (No such file or directory)
  • Mali OpenGL ES SDK for Android
  • Android Gralloc
  • rendering
0 votes 3880 views 2 replies Latest 24 days ago by crescent72 Answer this
Answered Zero Copy Buffers using cl_arm_import_memory extension in OpenCL 1.2 - arm mali midgard GPUs.
  • Midgard
  • Mali GPU (Midgard Architecture)
  • Mali OpenCL SDK
0 votes 5355 views 7 replies Latest 26 days ago by Kévin Petit Answer this
Suggested answer Optimised OpenCL SGEMM implementation for ARM Mali Midgard GPUs.
  • High Performance Computing (HPC)
  • OpenCL
  • High-Performance Computing (HPC)
  • Mali GPU (Midgard Architecture)
  • Mali OpenCL SDK
0 votes 6534 views 1 replies Latest 28 days ago by Kévin Petit Answer this
Answered Irregular behaviour of vectors in OpenCL(1.2) kernels
  • OpenCL
  • Mali GPU (Midgard Architecture)
  • Mali OpenCL SDK
  • Linux OpenCL
0 votes 9407 views 1 replies Latest 28 days ago by Kévin Petit Answer this
Answered Map/Unmap operations with Zero copy buffer.
  • OpenCL
  • High-Performance Computing (HPC)
  • Mali GPU (Midgard Architecture)
0 votes 6546 views 1 replies Latest 28 days ago by Kévin Petit Answer this
Answered Why does the CPU perform better than the GPU when blending small areas? Latest 13 days ago by Peter Harris 1 replies 1989 views
Suggested answer E/MaliEGL: FindAppHintInFile open fail errno=0x2 (No such file or directory) Latest 24 days ago by crescent72 2 replies 3880 views
Answered Zero Copy Buffers using cl_arm_import_memory extension in OpenCL 1.2 - arm mali midgard GPUs. Latest 26 days ago by Kévin Petit 7 replies 5355 views
Suggested answer Optimised OpenCL SGEMM implementation for ARM Mali Midgard GPUs. Latest 28 days ago by Kévin Petit 1 replies 6534 views
Answered Irregular behaviour of vectors in OpenCL(1.2) kernels Latest 28 days ago by Kévin Petit 1 replies 9407 views
Answered Map/Unmap operations with Zero copy buffer. Latest 28 days ago by Kévin Petit 1 replies 6546 views