Changelog.rst

Changelog

14.1.0

• Add popcnt and bmi
• [API] Add bitwise-shift batch constant api
• Refactor x86 CPU features
• [NEON] Unsigned bitwise shifts are never called
• Improve coverage of emulated architectures
• Introduce count{l,r}_{zero,one} for batch_bool
• Fix emulated mask()
• [neon] Implement bitwise_rshift for 64 bit integers on arm32
• Fix fast_cast int64/uint64→double under -ffast-math
• Small complexity reduction
• Add make_batch_constant from std::array in C++20
• [ci] Use home-baked clang-format action
• Fix apple detection
• [ci] add GCC 10 with AVX-512 to test matrix
• Slighly less pessimistic detection of neon64
• Fix runtime detection of SVE
• [ci] Setup Windows arm64 runner
• iota batch constant and a few overloads
• [test] Improve testing logging and accuracy
• Fix default values for AVX and AVX512 OS state enabled flags
• Implement batch_bool::mask() for riscv
• [ci] Revert emscripten to 4.0.21
• Restore RISCV support
• Implement optimized movemasks for NEON
• Fix limit behavior of atan2 under -ffast-math
• Move to C++14

14.0.0

• New architecture: VMX with VSX extension
• [API] Add xsimd::bitwise_[l|r]shift<N>(...) and xsimd::rot[l|r]<N>(...)
• [API] Add xsimd::widen to widen a batch to a batch twice as big
• [API] Add xsimd::first() function to extract the first lane from a batch
• [API] Reorder xsimd::make_batch_constant and xsimd::make_batch_bool_constant template arguments
• Bump CMake requirement to 3.10
• Provide generic and specialize implementation of xsimd::reduce_mul
• Have xsimd::max / min behave as std::max / min when one argument is NaN
• Optimize batch_bool load/store from/to array of booleans
• Cleaner error when trying to instantiate a batch while no arch is supported
• Fix XSIMD_INLINE for compilers that don't have always_inline
• Rename xsimd::generic in xsimd::common
• Fix xsimd::log10 implementation under -ffast-math, and add -fast-math-support to generic math algorithm and tests
• Bump xtl dependency requirement
• Provide a generic implementation of swizzle with constant mask
• Enable xsimd with only emulated arch
• Rename avx512vnni<vbmi> in avx512vnni<vbmi2>
• [SSE2] Fix and improve xsimd::swizzle on [u]int16
• [AVX512x] Specialize xsimd::insert, xsimd::incr_if, xsimd::decr_if
• [AVX512F,AVX512VBMI] Sepcialize xsimd::slide_left and xsimd::slide_right
• [AVX512F] Fix batch_bool xor
• [WASM] Fix neq for batch_bool
• [AVX/AVX2/AVX512/ARM32] Improve implementation of xsimd::swizzle
• [AVX512VBMI2] Speciliaze xsimd::compress and xsimd::expand
• [SSE/AVX/AVX512] Improve xsimd::reduce_add
• [SSSE3/AVX2] Fix xsimd::rotate_left implementation for [u]int16 and optimize the [u]int8 implementation
• [AVX2] Fix implementation of xsimd::rotate_left
• [AVX512] Disable faulty implementation of xsimd::rotate_left
• [ARM64] Improve implementation of comparison operator for 64 bit integers
• [AVX512BW] Optimize xsimd::shift_left and xsimd::shift_right
• [AVX512F] Fix batch_const with 16b and 8b integers

13.2.0

• Added broadcast overload for bool
• Fixed kernel::store for booleans
• Explicitly verify dependency between architectures (like sse2 implies sse2)
• Use default arch alignment as default alignment for xsimd::aligned_allocator
• sse2 version of xsimd::swizzle on [u]int16_t
• avx implementation of transpose for [u]int[8|16]
• Implement [u]int8 and [u]int16 matrix transpose for 128 bit registers
• Fix minor warning
• Fix fma4 support

13.1.0

• Fix rotate_left and rotate_right behavior (it was swapped!)
• Fix compress implementation on RISC-V
• Improve RISC-V CI
• Fix clang-17 compilation on RISC-V
• Validate cmake integration
• Provide xsimd::transpose on 64 and 32 bits on most platforms
• Improve documentation
• Provide xsimd::batch_bool::count
• Fix interaction between xsimd::make_sized_batch_t and xsimd::batch<std::complex, ...>
• Fix vbmi, sve and rvv detection through xsimd::available_architectures
• Fix compilation on MS targets where small can be defined.
• Change default install directory for installed headers.
• Support mixed-complex implementations of xsimd::pow()
• Improve xsimd::pow implementation for complex numbers
• Fix uninitialized read in lgamma implementation

13.0.0

• Most xsimd functions are flagged as always_inline
• Fix some xsimd scalar version (abs, bitofsign, signbit, bitwise_cast, exp10)
• Move from batch_constant<batch<T, A>, Csts...> to batch_constant<T, A, Csts...>
• Move from batch_bool_constant<batch<T, A>, Csts...> to batch_bool_constant<T, A, Csts...>
• Provide an as_batch() method (resp. as_batch_bool) method for batch_constant (resp. batch_bool_constant)
• New architecture emulated<N> for batches of N bits emulated using scalar operations.
• Remove the version method from all architectures
• Support xsimd::avg and xsimd::avgr vector operation
• Model i8mm arm extension
• Fix dispatching mechanism

12.1.1

• Update readme with a section on adoption, and a section on the history of the project
• Fix/avx512vnni implementation
• Fix regression on XSIMD_NO_SUPPORTED_ARCHITECTURE

12.1.0

• Fix various problems with architecture version handling
• Specialize xsimd::compress for riscv
• Provide stubs for various avx512xx architectures

12.0.0

• Fix sincos implementation to cope with Emscripten
• Upgraded minimal version of cmake to remove deprecation warning
• Fixed constants::signmask for GCC when using ffast-math
• Add RISC-V Vector support
• Generic, simple implementation fox xsimd::compress
• Disable batch of bools, and suggest using batch_bool instead
• Add an option to skip installation

11.2.0

• Provide shuffle operations of floating point batches
• Provide a generic implementation of xsimd::swizzle with dynamic indices
• Implement rotl, rotr, rotate_left and rotate_right
• Let CMake figure out pkgconfig directories
• Add missing boolean operators in xsimd_api.hpp
• Initial Implementation for the new WASM based instruction set
• Provide a generic version for float to uint32_t conversion

11.1.0

• Introduce XSIMD_DEFAULT_ARCH to force default architecture (if any)
• Remove C++ requirement on xsimd::exp10 scalar implementation
• Improve and test documentation

11.0.0

• Provide a generic reducer
• Fix find_package(xsimd) for xtl enabled xsimd, reloaded
• Cleanup benchmark code
• Provide avx512f implementation of FMA and variant
• Hexadecimal floating points are not a C++11 feature
• back to slow implementation of exp10 on Windows
• Changed bitwise_cast API
• Provide generic signed /unsigned type conversion
• Fixed sde location
• Feature/incr decr
• Cleanup documentation

10.0.0

• Fix potential ABI issue in SVE support
• Disable fast exp10 on OSX
• Assert on unaligned memory when calling aligned load/store
• Fix warning about uninitialized storage
• Always forward arch parameter
• Do not specialize the behavior of simd_return_type for char
• Support broadcasting of complex batches
• Make xsimd compatible with -fno-exceptions
• Provide and test comparison operators overloads that accept scalars

9.0.1

• Fix potential ABI issue in SVE support, making xsimd::sve a type alias to size-dependent type.

9.0.0

• Support fixed size SVE
• Fix a bug in SSSE3 xsimd::swizzle implementation for int8 and int16
• Rename xsimd::hadd into xsimd::reduce_add, provide xsimd::reduce_min and xsimd::reduce_max
• Properly report unsupported double for neon on arm32
• Fill holes in xsimd scalar api
• Fix find_package(xsimd) for xtl enabled xsimd
• Replace xsimd::bool_cast by xsimd::batch_bool_cast
• Native xsimd::hadd for float on arm64
• Properly static_assert when trying to instantiate an xsimd::batch of xtl complex
• Introduce xsimd::batch_bool::mask() and batch_bool::from_mask(...)
• Flag some function with [[nodiscard]]
• Accept both relative and absolute libdir and include dir in xsimd.pc
• Implement xsimd::nearbyint_as_int for NEON
• Add xsimd::polar
• Speedup double -> F32/I32 gathers
• Add xsimd::slide_left and xsimd::slide_right
• Support integral xsimd::swizzles on AVX

8.1.0

• Add xsimd::gather and xsimd::scatter

• Add xsimd::nearbyint_as_int

• Add xsimd::none

• Add xsimd::reciprocal

• Remove batch constructor from memory adress, use xsimd::batch<...>::load_(un)aligned instead

• Leave to msvc users the opportunity to manually disable FMA3 on AVX

• Provide xsimd::insert to modify a single value from a vector

• Make xsimd::pow implementation resilient to FE_INVALID

• Reciprocal square root support through xsimd::rsqrt

• NEON: Improve xsimd::any and xsimd::all

• Provide type utility to explicitly require a batch of given size and type

• Implement xsimd::swizzle on x86, neon and neon64

• Avx support for xsimd::zip_lo and xsimd::zip_hi

• Only use _mm256_unpacklo_epi<N> on AVX2

• Provide neon/neon64 conversion function from uint(32|64)_t to (float|double)

• Provide SSE/AVX/AVX2 conversion function from uint32_t to float

• Provide AVX2 conversion function from (u)int64_t to double

• Provide better SSE conversion function from uint64_t to double

• Provide better SSE conversion function to double

• Support logical xor for xsimd::batch_bool

• Clarify fma support:

  • FMA3 + SSE -> xsimd::fma3<sse4_2>
  • FMA3 + AVX -> xsimd::fma3<avx>
  • FMA3 + AVX2 -> xsimd::fma3<avx2>
  • FMA4 -> xsimd::fma4

• Allow xsimd::transform to work with complex types

• Add missing scalar version of xsimd::norm and xsimd::conj

8.0.5

• Fix neon xsimd::hadd implementation
• Detect unsupported architectures and set XSIMD_NO_SUPPORTED_ARCHITECTURE if needs be

8.0.4

• Provide some conversion operators for float -> uint32
• Improve code generated for AVX2 signed integer comparisons
• Enable detection of avx512cd and avx512dq, and fix avx512bw detection
• Enable detection of AVX2+FMA
• Pick the best compatible architecture in xsimd::dispatch
• Enables support for FMA when AVX2 is detected on Windows
• Add missing includes / forward declaration
• Mark all functions inline and noexcept
• Assert when using incomplete std::initializer_list

8.0.3

• Improve CI & testing, no functional change

8.0.2

• Do not use _mm256_srai_epi32 under AVX, it's an AVX2 instruction

8.0.1

• Fix invalid constexpr std::make_tuple usage in neon64