OpenBLAS v0.3.1 Release Notes
Release Date: 2018-07-01 // almost 6 years ago-
common:
- rewritten thread initialization code with significantly reduced overhead
- ➕ added CBLAS interfaces to the IxAMIN BLAS extension functions
- 🛠 fixed the lapack-test target
- 🏗 CMAKE builds now create an OpenBLASConfig.cmake file
- ZAXPY now uses a single thread for small input sizes
- ⚡️ the LAPACK code was updated from Reference-LAPACK/lapack#253
POWER:
- corrected CROT and ZROT behaviour with zero INC_X
ARMV7:
- corrected xDOT behaviour with zero INC_X or INC_Y
x86_64:
- 🏗 retired some older targets of DYNAMIC_ARCH builds to a new option DYNAMIC_OLDER,
this affects PENRYN,DUNNINGTON,OPTERON,OPTERON_SSE3,BOBCAT,ATOM and NANO
👍 (which will still be supported via the slower PRESCOTT kernels when this option is not set) - added an option DYNAMIC_LIST that (used in conjunction with DYNAMIC_ARCH) allows
👍 to specify the list of x86_64 targets to include. Any target not on the list will be supported by
the Sandybridge or Nehalem kernels if available, or by Prescott. - 👌 improved SWITCH_RATIO on Haswell for increased GEMM throughput
- ➕ added initial support for Intel Skylake X, including an AVX512 SGEMM kernel
- ➕ added autodetection of Intel Cannon Lake series as Skylake X
- ➕ added a default L2 cache size for hypervisors that return zero here (Chromebook)
- 🛠 fixed a name clash with recent Windows10 headers that broke the build with (at least)
recent mingw from MSYS2 - 🛠 fixed a link error in mixed clang/gfortran builds with OpenMP
- 🚀 updated the OSX deployment target to 10.8
- 🏁 switched on parallel make for builds on MS Windows by default
x86:
- fixed SSWAP and DSWAP behaviour with zero INC_X and INC_Y