v52.5.0 Public Minor Release

Feat

• Add profiling tracepoints to CPU and GPU platforms
• Add Perfetto profiler as default backend
• Further modernization in CMake build
• Add CMakePresets.json

Fix

• Handle padding updates after configure() in CpuActivation
• Broken URLs in rendered non-released README.md
• Linker errors on macOS when building with CMake

Perf

• Add FP16 GEMM MMUL Reshaped Only Rhs Kernel

Documentation (API, build guide, contribution guide, errata, etc.) available here:
https://artificial-intelligence.sites.arm.com/computelibrary/v52.5.0/index.xhtml

v52.4.0 Public Minor Release

Notice

• The generation of pre-built binaries for macOS and Windows is currently under review and may be temporarily unavailable following this release.

Feat

• Updates to operator CpuGEMMLowp for static quantization, and associated tests.

Fix

• Potential null pointer access in CpuFullyConnected validate method.

Perf

• Remove switch statements in activation kernels.

Documentation (API, build guide, contribution guide, errata, etc.) available here:
https://artificial-intelligence.sites.arm.com/computelibrary/v52.4.0/index.xhtml

v52.3.0 Public Minor Release

Feat

• Support QSYMM8_PER_CHANNEL in NEQuantizationLayer.
• Add stateless wrapper for CpuFullyConnected.

Fix

• Support mixed-type quantized matmul when updating quantization after configure.
• Prevent overread when computing row sums in GEMM.
• Resolve out-of-bounds access in Dimensions::collapse().

Perf

• Remove switch in SVE activation.
• Remove switch in SVE2 activation.

Documentation (API, build guide, contribution guide, errata, etc.) available here:
https://artificial-intelligence.sites.arm.com/computelibrary/v52.3.0/index.xhtml

v52.2.0 Public Minor Release

Feat

• Enable non-transposed BF16 reorders.

Fix

• Reorder test failures on multi-isa builds.
• Over-eager read ahead of operands in a64_hgemm_8x24.

Documentation (API, build guide, contribution guide, errata, etc.) available here:
https://artificial-intelligence.sites.arm.com/computelibrary/v52.2.0/index.xhtml

v52.1.0 Public Minor Release

Feat

• Restrict GEMM stateless execution to fixed-format kernels only
• Add wrapper class to expose cpu::CpuPool2d functionality
• Enable non-transposed F32 reorders

Documentation (API, build guide, contribution guide, errata, etc.) available here:
https://artificial-intelligence.sites.arm.com/computelibrary/v52.1.0/index.xhtml

v52.0.1 Public Patch Release

Fix

• Fill the padding area with zeros in CpuIm2ColKernel
• Public header files pass -Wundef check
• Limit thread split to the window size for run_parallel_pretranspose_B_array

Documentation (API, build guide, contribution guide, errata, etc.) available here:
https://artificial-intelligence.sites.arm.com/computelibrary/v52.0.1/index.xhtml

v52.0.0 Public Major Release

Fix

• Make NEReorderLayer backwards compatible
• String conversion for Datatype::BFLOAT16
• Add missing header to winograd transforms for better leftover handling
• Update 3x3 winograd coefficients to increase numerical stability
  Documentation (API, build guide, contribution guide, errata, etc.) available here:
  https://artificial-intelligence.sites.arm.com/computelibrary/v52.0.0/index.xhtml

v25.04 Public Major Release

Feat

• Add Neon(TM) and SVE hybrid FP16 matmul kernels using FP32 accumulation.

Fix

• Fix BF16 CpuGemmAssembly tests.
• SME softmax FP32 kernel failing given large inputs.
  Documentation (API, build guide, contribution guide, errata, etc.) available here:
  https://artificial-intelligence.sites.arm.com/computelibrary/v25.04/index.xhtml

v25.03.1 Public Major Release

Feat

• Add experimental QNX(R) support.
• Add matmul fp16->fp32 kernels to enable fp16 PyTorch attention through ACL.

Fix

• Replace .word with .inst when encoding instructions.
• Neon(TM) detection for Bare Metal.

Refactor

• Refactor reorder kernel and layer.
  Documentation (API, build guide, contribution guide, errata, etc.) available here:
  https://artificial-intelligence.sites.arm.com/computelibrary/v25.03.1/index.xhtml

v25.03 Public Major Release

Feat

• Notice: Migration to Semantic Versioning will take place by the end of April
• Modernize ACL CMake build
• Add a wrapper class for CpuPRelu operators

Fix

• Validation in Cpu Deconv for negative padded cases
• Reserved register list in [U]Int8 SME2 Softmax kernels
• Register allocation in [U]Int8 SME2 Softmax kernels
• C and C++ build flags assigned to proper SCons flags
• Don't pass filenames to the check-bad-style pre-commit hook
• Apply -fPIC flag both to C and C++ code
  Documentation (API, build guide, contribution guide, errata, etc.) available here:
  https://artificial-intelligence.sites.arm.com/computelibrary/v25.03/index.xhtml