AOCL-BLAS 4.2

AOCL-BLAS 4.2 Release Highlights

• Added uint8 output and zero-point support in int8 API’s in aocl_gemm addon (Low Precision GEMM / LPGEMM)
• Improved performance for all downscaled versions of all API’s in aocl_gemm addon (Low Precision GEMM / LPGEMM)
• Multithread performance improved across API’s in aocl_gemm addon (Low Precision GEMM / LPGEMM)
• Introduced AOCL_ENABLE_INSTRUCTIONS environment variable as an alternative to BLIS_ARCH_TYPE, but with slightly different semantics.
• Improved functionality of XERBLA error handling routine in AOCL-BLAS.
• Performance optimizations for the following APIs:
  - DGEMM for tiny sizes
  - S/ZGEMM, D/ZTRSM, ZAXPBYV, Z/ZDSCALV, S/D/ZGEMV, and D/DZNRM2
• Following BLAS extension APIs have been added only for AMD “Zen” code paths:
  - sgemm_pack_get_size(), sgemm_pack(), and sgemm_compute()
  - dgemm_pack_get_size(), dgemm_pack(), and dgemm_compute()

AOCL-BLAS 4.1

AOCL-BLAS 4.1 Release Highlights

• Additional APIs and Post-Ops support in addition to the improved performance for the existing APIs in aocl_gemm add-on
• Dynamic dispatch and amdzen configuration support added to aocl_gemm add-on
• Dynamic dispatch feature enhancements.
• AVX 512-based optimizations for AMD “Zen4” platform:
  - SGEMM, DGEMM, and ZGEMM
  - DTRSM, D/ZAXPY, ZGEMV, DDOTV, and D/ZSCALV
• Improved support for OpenMP nested parallelism.

AOCL-BLIS 4.0

Highlights of AOCL-BLIS 4.0

• The following LPGEMM (Low Precision GEMM) variants are added along with post-ops support:
  • aocl_gemm_u8s8s32os32 and aocl_gemm_u8s8s32os8 routines are added and optimized using AVX-512-VNNI
  • aocl_gemm_u8s8s16os16 and aocl_gemm_u8s8s16os8 routines are added and optimized using AVX2
  • aocl_gemm_bf16bf16f32of32 and aocl_gemm_bf16bf16f32obf16 routines are added and optimized using AVX-512
• SGEMM with packed/reorder buffer support (aocl_gemm_f32f32f32f32)
• AMD “Zen4” support for BLIS
• Dynamic dispatch supports AMD “Zen4” configuration
• Optimizations and performance improvements for DGEMM, SGEMM, ZGEMM, DGEMMT, and DTRSM
• Framework design changes

AOCL-BLIS 3.2

New features:

• Extended BLAS function - DZGEMM
• Progress feature for xGEMM and xTRSM APIs: Time taken to complete the mathematical operations tends to increase exponentially with large input problem sizes; this feature provides users a periodic update on the operation progress.
• Runtime Threading control using OpenMP APIs
• Dynamic Dispatch covers APUs
• Improved detection of standard x86-64 feature support
• Minor bug fixes

Performance improvements in the following single-threaded and multi-threaded functions:

• DGEMM, SGEMM, ZGEMM, and CGEMM
• DTRSM, DGEMMT, ZTRSM, CTRSM, and DTRMM
• SGEMV, DHER2, ZTRSV, and DSYMV
• ?AXPBYV, SSCALV, DSCALV, ?DOTXV, and ZAXPY2V

AMD Optimized BLIS Version 3.1

AMD Optimized BLIS Version 3.1

Highlights of improvements on AMD EPYC^TM processor family CPUs

• Supports Dynamic Dispatch and AOCL Dynamic feature
• Improvements in DGEMM, ZGEMM, DTRSM, DSYRK, xGEMV, and DOTV

AMD Optimized BLIS Version 3.0.1

AMD Optimized BLIS Version 3.0.1

Highlights of improvements on AMD EPYC^TM processor family CPUs

• Improved performance of DGEMM for skinny matrix shapes.
• Improvements in SGEMM and ZGEMM
• Improved performance of Level-1 and Level2 BLAS routines, GEMV, DOT and AXPY routines
• Improvements in DTRSM for small matrix sizes

AMD Optimized BLIS Version 3.0

AMD Optimized BLIS Version 3.0

Highlights of improvements on AMD EPYC^TM processor family CPUs

• Includes support for AMD’s Zen3 architecture. Build can auto detect if it is running on zen3 and enable features and optimizations specific to zen3 architecture.
• Improved performance of ?dotv, ?gemv, ?axpyv for complex and double complex datatypes
• Includes support for copy transposition routines
• New BLAS extension APIs added including cblas_?cabs1, cblas_i?amin, cblas_?axpby, cblas_?gemm_batch, cblas_?gemm3m
• Debug trace and input logging support added for more BLIS APIs.

AMD Optimized BLIS Version 2.2

AMD Optimized BLIS Version 2.2

Highlights of improvements on AMD EPYCTM processor family CPUs

• Improved performance for Level-1 BLAS routines for single and double precision.
• Improved performance of SGEMV and DGEMV for large sizes.
• Enabled small unpacked(SUP) GEMM kernels for single precision and double precision complex (C,Z) GEMM
• Multi-threaded small unpacked(SUP) GEMM kernels enabled for (S,D,C,Z) GEMM providing improved performance for small/skinny matrices.
• GEMM Selective packing feature is now multithread enabled. Selective packing feature packs either A or B or both the matrices and can be enabled by setting environment variable. Refer AOCL User Guide at https://developer.amd.com/amd-aocl/ for details
• Improved TRSM single-thread and multi-thread performance for large and skinny matrices
• Debug trace and log feature enabled for debug purposes.

AMD Optimized BLIS Version 2.1

AMD Optimized BLIS Version 2.1

Highlights of improvements on AMD EPYC^TM processor family CPUs

• Improved performance of SGEMM and DGEMM for small and skinny size matrices
• Improved TRSM single thread performance for small and skinny size matrices
• BLIS build now supports both AMD "zen" and "zen2" configurations with auto config option
• Support for C++ Template APIs for all BLAS functions

AOCL BLIS 2.0

AMD BLIS 2.0

• Improved BLIS performance on AMD Rome based architecture Level1 and Level2 BLAS performances improvements
• Framework changes to better handle memory management
• Improved DGEMM performance for AMD Rome based architectures
• Improved TRSM performance for small problem sizes for AMD Naples and Rome based architectures
• BLIS build now supports both zen and zen2 configurations for AMD Naples and ROME architectures respectively