From 9763f872fcb841a00926f31c801bfd007a5337b0 Mon Sep 17 00:00:00 2001 From: Martin Kroeker Date: Mon, 29 Apr 2019 19:18:26 +0200 Subject: [PATCH] Update Changelog with changes from 0.3.6 --- Changelog.txt | 78 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) diff --git a/Changelog.txt b/Changelog.txt index 49b26873a..8df35d5c3 100644 --- a/Changelog.txt +++ b/Changelog.txt @@ -1,4 +1,82 @@ OpenBLAS ChangeLog +==================================================================== +Version 0.3.6 +29-Apr-2019 + +common: + * the build tools now check that a given cpu TARGET is actually valid + * the build-time check of system features (c_check) has been made + less dependent on particular perl features (this should mainly + benefit building on Windows) + * several problem with the ReLAPACK integration were fixed, + including INTERFACE64 support and building a shared library + * building with CMAKE on BSD systems was improved + * a non-absolute SUM function was added based on the + existing optimized code for ASUM + * CBLAS interfaces to the IxMIN and IxMAX functions were added + * a name clash between LAPACKE and BOOST headers was resolved + * CMAKE builds with OpenMP failed to include the appropriate getrf_parallel + kernels + * a crash on thread (key) deletion with the USE_TLS=1 memory management + option was fixed + * restored several earlier fixes, in particular for OpenMP performance, + building on BSD, and calling fork on CYGWIN, which had inadvertently + been dropped in the 0.3.3 rewrite of the memory management code. + +x86_64: + * the AVX512 DGEMM kernel has been disabled again due to unsolved problems + * building with old versions of MSVC was fixed + * it is now possible to build a static library on Windows with CMAKE + * accessing environment variables on CYGWIN at run time was fixed + * the CMAKE build system now recognizes 32bit userspace on 64bit hardware + * Intel "Denverton" atom and Hygon "Dhyana" zen CPUs are now autodetected + * building for DYNAMIC_ARCH with a DYNAMIC_LIST of targets is now supported + with CMAKE as well + * building for DYNAMIC_ARCH with GENERIC as the default target is now supported + * a buffer overflow in the SSE GEMM kernel for Intel Nano targets was fixed + * assembly bugs involving undeclared modification of input operands were fixed + in the AXPY, DOT, GEMV, GER, SCAL, SYMV and TRSM microkernels for Nehalem, + Sandybridge, Haswell, Bulldozer and Piledriver. These would typically cause + test failures or segfaults when compiled with recent versions of gcc from 8 onward. + * a similar bug was fixed in the blas_quickdivide code used to split workloads + in most functions + * a bug in the IxMIN implementation for the GENERIC target made it return the result of IxMAX + * fixed building on SkylakeX systems when either the compiler or the (emulated) operating + environment does not support AVX512 + * improved GEMM performance on ZEN targets + +x86: + * build failures caused by the recently added checks for AVX512 were fixed + * an inline assembly bug involving undeclared modification of an input argument was + fixed in the blas_quickdivide code used to split workloads in most functions + * a bug in the IMIN implementation for the GENERIC target made it return the result of IMAX + +MIPS32: + * a bug in the IMIN implementation made it return the result of IMAX + +POWER: + * single precision BLAS1/2 functions have received optimized POWER8 kernels + * POWER9 is now a separate target, with an optimized DGEMM/DTRMM kernel + * building on PPC970 systems under OSX Leopard or Tiger is now supported + * out-of-bounds memory accesses in the gemm_beta microkernels were fixed + * building a shared library on AIX is now supported for POWER6 + * DYNAMIC_ARCH support has been added for POWER6 and newer + +ARMv7: + * corrected xDOT behaviour with zero INC_X or INC_Y + * a bug in the IMIN implementation made it return the result of IMAX + +ARMv8: + * added support for HiSilicon TSV110 cpus + * the CMAKE build system now recognizes 32bit userspace on 64bit hardware + * cross-compilation with CMAKE now works again + * a bug in the IMIN implementation made it return the result of IMAX + * ARMV8 builds with the BINARY=32 option are now automatically handled as ARMV7 + +IBM Z: + * optimized microkernels for single precicion BLAS1/2 functions have been added + for both Z13 and Z14 + ==================================================================== Version 0.3.5 31-Dec-2018