"AMD's Heterogeneous-compute Interface for Portability enables performance portability for the HPC community. The ability to take code that was written for one architecture and transfer it to another architecture without a negative impact on performance is extremely powerful," said Jim Belak, co-lead of the U.S. Department of Energy's Exascale Co-design Center in Extreme Materials and senior computational materials scientist at Lawrence Livermore National Laboratory. "The work AMD is doing to produce a high-performance compiler that sits below high-level programming models enables researchers to concentrate on solving problems and publishing groundbreaking research rather than worrying about hardware-specific optimizations."
New Compiler for Heterogeneous Computing
The promise of combining multi-core, serial processing CPUs with parallel-processing GPUs to maximize compute efficiency is already being seen in the industry, as driven by the Heterogeneous Systems Architecture (HSA) Foundation that counts AMD as a founding member. One of the goals for HSA is easing the development of parallel applications through use of higher level languages. The new AMD "Boltzmann Initiative" suite includes an HCC compiler for C++ development, greatly expanding the field of programmers who can leverage HSA. The new HCC C++ compiler is a key tool in enabling developers to easily and efficiently apply the hardware resources in heterogeneous systems. The compiler offers more simplified development via single source execution, with both the CPU and GPU code in the same file. The compiler automates the placement code that executes on both processing elements for maximum execution efficiency.
"Just as our customers are excited about our hardware innovation, including the introduction of the first GPU with High Bandwidth Memory this year and our new x86 core architecture coming next year, our innovations in software development are equally as important to them," said Mark Papermaster, senior vice president and chief technology officer, AMD. "The challenge has always been to unlock the hardware's capabilities and make them easily accessible to developers working to solve difficult problems. AMD's newest offering provides the keys to more readily access our parallel computing engines -- both multicore CPUs and GPUs -- and to make these benefits available to the mainstream of developers across a broad spectrum of computing platforms, from embedded to supercomputing."
Linux Driver and Runtime Focused on the Needs of HPC Cluster-Class Computing
To complement the new compilation tools, AMD has developed a new HPC-focused driver and system runtime. This new headless Linux driver brings key capabilities to address core high-performance computing needs, including low latency compute dispatch and PCIe® data transfers; peer-to-peer GPU support; Remote Direct Memory Access (RDMA) from InfiniBand that interconnects directly to GPU memory; and Large Single Memory Allocation support.
HIP-ifying CUDA Application to Run on AMD GPUs
To bring applications written for CUDA onto AMD platforms, AMD announces the new HIP tool. AMD testing shows that in many cases 90 percent or more of CUDA code can be automatically converted into C++ by HIP with the final 10 percent converted manually in the widely popular C++ language. This greatly expands the installed hardware base available to run what were formerly exclusively CUDA-based applications. At SC15, AMD is demonstrating the potential for HIP, running the CUDA-generated Rodinia benchmark suite on AMD GPUs.
An early access program for the "Boltzmann Initiative" tools is planned for Q1 2016.
Other News at SC15
AMD continues to support the open standard OpenCL programming language, giving developers low-level GPU programming and optimization capabilities. AMD has expanded its GPU compute libraries, allowing developers to easily accelerate compute-intensive functions by leveraging GPU compute. The addition of HcBLAS and HcFFT builds on work done with clBLAS, clFFT, clSPARSE and clRNG for OpenCL. The libraries include functions that are widely used in scientific computation and data science.
Industry Support for AMD
Support continues to grow for AMD's standards-based approach to HPC. AMD's investment in hardware and software development has resulted in a growing number of system and solution vendors that fully support AMD FirePro in enterprise environments, including ASRock, ASUS, Cirrascale, Cubix, Dell, Gigabyte, HP, One Stop Systems and Supermicro.
Demonstrations at SC15
At SC15 in booth 727, AMD will showcase:
- The new HSA-compliant C++ compiler, full open source HSA programming suite and HIP porting tools.
- Systems from Dell, HP and Supermicro that include AMD FirePro GPUs running demonstrations such as AMD FireRender, Abaqus and TUM Navier-Strokes.
- AMD's Opteron A1100 series ARM processor in SoftIron's new Enterprise Class Overdrive 3000 system for developers and Silver Lining System's ARM-Metal-as-a-Service (AMAAS) solution.
- The AMD FirePro S9170 server GPU in action with Dell and Supermicro servers, showcasing a variety of workloads that take advantage of the AMD FirePro S9170 card's 32GB high-speed and high-bandwidth onboard memory, making it ideal for accelerating large dataset computations.
- AMD engineers are scheduled to present two related tech talks
- Tuesday, November 17 at 4:15 p.m. Greg Rodgers, design engineer, AMD, "Advances in HSA Software Stack"
- Wednesday, November 18 at 5:15 p.m. Srikanth Gollapudi, PMTS software engineer, AMD, "Porting CUDA applications to C++ with New AMD HIP conversion tools"
A Defining Moment for Heterogeneous Computing by AMD CTO Mark Papermaster
- AMD Developer Central
- Learn more about Heterogeneous System Architecture
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