HTML and PDF Versions

This section describes the versions that were available at time of publication. See the latest specification for updates.

oneAPI Versions Table

Version	Date	View
1.0 rev 3	11/21/2020	HTML PDF
1.0 rev 2	10/21/2020	HTML PDF
1.0 rev 1	09/14/2020	HTML PDF
0.9	07/30/2020	HTML PDF
0.85	06/29/2020	HTML PDF
0.8	05/29/2020	HTML PDF
0.7	03/26/2020	HTML PDF
0.5	11/17/2019	HTML

Release Notes

1.0 rev 3

• oneCCL

  • Minor API corrections

• oneDAL

  • Correct version MACRO definition

• oneTBB

  • Correct version MACRO definition

1.0 rev 2

• Formatting fixes for PDF

1.0 rev 1

• oneMKL

  • Continuing modifications to all oneMKL domains

  • Add oneMKL Exceptions and Error Handling

• oneDNN

  • Updated the DPC++ interoperability API

  • Added section about namespaces

• oneTBB

  • Updated the named requirements

  • Adjusted the API according to the latest product changes

  • Improved the wording and descriptions for the flow graph API

  • Cleared build warnings

• oneDAL

  • Extended Programming model section, added description of the generic methods and descriptors, introduced task notation

  • Extended Data Management section, introduced CSV data source, array, extended description of the tables and accessors

  • Extended description of Error handling

  • Added description of the training methods for PCA algorithm, introduced K-means initialization algorithm

  • Extended Common interface section, added description of service data types used in the interfaces of the library

  • Modified the library’s namespace

• oneVPL

  • A lot of cleaning to remove GEN/CPU bias and implementation details.

  • New organization of structures’ description.

  • New entry point function to expose by any implementation: MFXInitialize which replaces obsolete MFXInit and MFXInitEx.

  • Interface to choose and set subdevices (mfxExtDeviceAffinityMask) for execution.

  • Header files cleaned up by removing MFX_VERSION checks (ala #if MFX_VERSION > 1.26) from headers.

• oneCCL

  • Updated operation attributes description

  • Updated naming in API

0.9

• oneMKL

  • Continuing modifications to oneMKL Architecture, BLAS and LAPACK domains

  • Significant refactoring and updating of Sparse BLAS, VM, RNG, and DFT domains API descriptions and structure

  • Add Summary Statistics domain

  • Add future considerations and acknowledgment to appendices

  • Change top-level namespace to oneapi::mkl

• oneDNN

  • Added the specification for map_data() / unmap_data() methods of oneDNN memory objects

  • Extended element-wise algorithms and post operations

  • Added queries for peephole and projection weights for LSTM

• oneDPL

  • API updates, including namespaces

  • Added detailed descriptions for execution policies, non-standard algorithms, iterator types, etc

• oneTBB

  • Editorial review changes

• oneDAL

  • Updated description of the public header files and namespaces

• DPC++

  • Revised requirements to refer to the SYCL 2020 provisional specification where previous extensions have migrated to the SYCL specification directly

  • Added additional extensions

  • Added additional requirements against the SYCL 2020 provisional specification

• oneVPL

  • Added section to specify mandatory and optional API features

  • Reformatting of entire specification

  • Bug fixes in API definitions

• oneCCL

  • Added multi-device communication API

  • Added key-value store API

  • Extended list of collective operations

0.85

• oneVPL

  • High-performance video decode supporting MPEG-2, MPEG-4/H.264/AVC, H.265/HEVC, AV1, VP9, MJPEG;

  • High-performance video encode supporting MPEG-2, MPEG-4/H.264/AVC, H.265/HEVC, AV1, VP9, MJPEG;

  • Video processing for composition, alpha blending, deinterlace, resize, rotate, denoise, procamp, crop, detail, frame rate conversion, and color conversion.

• oneDNN

  • Added individual primitive definitions providing mathematical operation definitions and explaining details of their use

  • Expanded the programming model section explaining device abstraction and its interoperability with DPC++

  • Added the data model section explaining supported data types and memory layouts

  • Added specification for primitive attributes explaining, among other things, low-precision inference and bfloat16 training

0.8

• Level Zero

  • Updated to 0.95

• oneMKL

  • Continuing modifications to oneMKL Architecture and BLAS domain

  • Significant refactoring and updating of LAPACK domain API descriptions and structure.

• oneTBB

  • Significant rewrite and reorganization

• oneDAL

  • Extended description of Data Management component, added description of basic elements of algorithms, and error handling mechanism

  • Added description of namespaces and structure of the header files

  • Added specification of kNN algorithm

  • Introduced math notations section, extended glossary section

• oneDNN

  • Detailed descriptions for data model (tensor formats and data types), and execution models

0.7

• DPC++: 10 new language extensions including performance features like sub-groups and atomics, as well as features to allow more concise programs.

• oneDNN: Major restructuring of the document, with high-level introduction to the concepts

• Level Zero: Updated to 0.91. Open source release of driver implementing the specification

• oneDAL: Major restructuring of the document, with high-level introduction to the concepts

• oneVPL: Added support for device selection, context sharing, workstream presets and configurations, video processing and encoding APIs to easily construct a video processing pipeline.

• oneMKL: Added USM APIs. Major restructuring of document. Added architecture section with overview of execution model, memory model and API design.

0.5

Initial public release