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RsimdDispatch 0.1.1

• Stage scalar and optional SIMD kernel objects during configure, then link them through generated src/Makevars with the baseline R API, CPU feature detection, and dispatcher code.
• Move demo kernels from src/ to tools/kernels/ so copied templates keep build-time kernel sources separate from ordinary R package src/ files.
• Reword DESCRIPTION to avoid incoming spell-check notes for backend acronym names while keeping detailed backend names in user-facing documentation.

RsimdDispatch 0.1.0

Initial release.

• Provides a working runtime SIMD dispatch example for R packages, using one shared library with scalar, SSE2, SSE4.1, AVX2, AVX-512, and NEON kernel objects where supported by the compiler and CPU.
• Exports count_nonzero(), simd_set_backend(), simd_backend(), and simd_info() to demonstrate safe same-process backend selection and diagnostics.
• Adds use_simd_dispatch() and simd_dispatch_template_path() for package authors who want to copy and adapt the C dispatch scaffold.
• Vendors the header-only SIMDe library for downstream packages through LinkingTo: RsimdDispatch.
• Adds simde_info() and SIMDe fields in simd_info() to report the vendored SIMDe version and pinned upstream commit.

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They may not be fully stable and should be used with caution. We make no claims about them.
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