OneAPI (compute acceleration): Difference between revisions

Revision as of 10:37, 31 March 2024

Revision as of 10:41, 31 March 2024

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'''oneAPI''' is an [[open standard]], adopted by Intel,{{sfn|Fortenberry|Tomov|2022|p=22}} for a unified [[application programming interface]] (API) intended to be used across different computing [[Hardware acceleration|accelerator]] ([[coprocessor]]) architectures, including [[GPU]]s, [[AI accelerator]]s and [[field-programmable gate array]]s. It is intended to eliminate the need for developers to maintain separate code bases, multiple programming languages, tools, and workflows for each architecture.<ref>{{Cite web|url=https://www.hpcwire.com/2019/12/09/intel-expands-its-silicon-portfolio-and-oneapi-software-initiative-for-next-generation-hpc/|title=Intel Expands its Silicon Portfolio, and oneAPI Software Initiative for Next-Generation HPC|date=2019-12-09|website=HPCwire|language=en-US|access-date=2020-02-11}}</ref><ref>{{Cite web|url=https://www.hpcwire.com/2019/11/17/intel-debuts-new-gpu-ponte-vecchio-and-outlines-aspirations-for-oneapi/|title=Intel Debuts New GPU – Ponte Vecchio – and Outlines Aspirations for oneAPI|date=2019-11-18|website=HPCwire|language=en-US|access-date=2020-02-11}}</ref><ref>{{Cite web|url=https://www.extremetech.com/computing/302284-sc19-intel-unveils-new-gpu-stack-oneapi-development-effort|title=SC19: Intel Unveils New GPU Stack, oneAPI Development Effort - ExtremeTech|website=www.extremetech.com|access-date=2020-02-11}}</ref><ref>{{Cite web|url=https://www.servethehome.com/intel-one-api-to-rule-them-all-is-much-needed/|title=Intel One API to Rule Them All Is Much Needed to Expand TAM|last=Kennedy|first=Patrick|date=2018-12-24|website=ServeTheHome|language=en-US|access-date=2020-02-11}}</ref>

oneAPI competes with other GPU computing stacks: [[CUDA]] by [[Nvidia]] and [[ROCm]] by [[AMD]].

== Specification ==

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Unified Acceleration Foundation (UXL) is a new technology consortium that are working on the contiuation of the OneAPI initiative, with to goal to create a new open standard accelerator software ecosystem, related open standards and specification projects through Working Groups and Special Interest Groups (SIGs). The goal will compete with Nvidia's CUDA. The main companies behind it are Intel, Google, ARM, Qualcomm, Samsung, Imagination, and VMware.<ref>https://www.reuters.com/technology/behind-plot-break-nvidias-grip-ai-by-targeting-software-2024-03-25/</ref>

== Comparison with competitors ==

oneAPI competes with other GPU computing stacks: [[CUDA]] by [[Nvidia]] and [[ROCm]] by [[AMD]].

Where as Nvidia's CUDA is closed-source, AMD ROCm and Intel's OneAPI are open source.

=== Nvidia CUDA ===

{{Main|CUDA}}

'''CUDA (Compute Unified Device Architecture)''' is closed source [[parallel computing]] platform and [[application programming interface]] (API) that allows software to use certain types of [[graphics processing units]] (GPUs) from [[Nvidia]] for accelerated general-purpose processing, an approach called general-purpose computing on GPUs ([[GPGPU]]).

=== AMD ROCm ===

{{Main|ROCm}}

'''ROCm'''<ref>{{Cite web|url=https://github.com/RadeonOpenCompute/ROCm/issues/1628|title=Question: What does ROCm stand for? · Issue #1628 · RadeonOpenCompute/ROCm|website=Github.com|access-date=January 18, 2022}}</ref> is an open source software stack for [[graphics processing unit]] (GPU) programming from [[Advanced Micro Devices]] (AMD).

==References==