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authorGard Spreemann <gspr@nonempty.org>2020-12-22 15:39:15 +0100
committerGard Spreemann <gspr@nonempty.org>2020-12-22 15:39:15 +0100
commit7b1d3e5f0a1a36a469905e0b73d48cfea4d1bd46 (patch)
treee211fcdf8cee8d5841ef0dd7b41a89f542444ff7 /CHANGELOG
parent6408c2fc41fa1b04d6abf470bafb9961a28c90cd (diff)
parent8433985051c0fb9758fd8dfe7d19cc8eaca630e1 (diff)
Merge tag '1.5.1' into debian/sid
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+Version 1.5.1
+- Implemented single-kernel version of convolution as GEMM
+- Now catches all exceptions thrown by the tuners
+- Fixed a bug in ISAMIN kernel
+- Fixed an out-of-bounds read/write in the XHAD routine (thanks to etomzak)
+- Various minor fixes and enhancements
+- Added tuned parameters for various devices (see doc/tuning.md)
+
+Version 1.5.0
+- Added support for shuffle instructions for NVIDIA GPUs (thanks to 'tyler-utah')
+- Added an option to compile the Netlib API with static OpenCL device and context (-DNETLIB_PERSISTENT_OPENCL=ON)
+- Added a FAQ page to the documentation
+- The tuners now check beforehand on invalid local thread sizes and skip those completely
+- Made the tuning API (OverrideParameters) more flexible, disregarding superfluous parameters
+- Fixed an issue with conjugate transpose not being executed in certain cases for a.o. XOMATCOPY
+- Fixed an issue with AMD GPUs and the new GEMMK == 1 kernel
+- Fixed an issue with the preprocessor and the new GEMMK == 1 kernel
+- Fixed an issue for unequal MWG and NWG and the new GEMMK == 1 kernel
+- Fixed an issue for certain parameters for AXPY's 'XaxpyFaster' kernel
+- Various minor fixes and enhancements
+- Added non-BLAS routines:
+ * SCONVGEMM/DCONVGEMM/HCONVGEMM (convolution as im2col followed by batched GEMM)
+ * SCOL2IM/DCOL2IM/CCOL2IM/ZCOL2IM/HCOL2IM (col2im transform as used in machine learning)
+
+Version 1.4.1
+- Fixed an access violation under Windows upon releasing the OpenCL program when the driver is already unloaded
+- Fixed an issue with double cl_program release in the CLBlast caching system
+- Added tuned parameters for various devices (see doc/tuning.md)
+
+Version 1.4.0
+- Added Python interface to CLBlast 'PyCLBlast'
+- Added CLBlast to Ubuntu PPA and macOS Homebrew package managers
+- Added an API to run the tuners programmatically without any I/O
+- Improved the performance potential by adding a second tunable GEMM kernel with 2D register tiling
+- Added support for Intel specific subgroup shuffling extensions for faster GEMM on Intel GPUs
+- Re-added a local memory size constraint to the tuners
+- The routine tuners now automatically pick up tuning results from disk from the kernel tuners
+- Updated and reorganised the CLBlast documentation
+- Added a 'canary' region to check for overflows in the tuner and tests (inspired by clARMOR)
+- Added an option to test against and compare performance with Intel's MKL
+- Fixed an access violation when compiled with Visual Studio upon releasing the OpenCL program
+- Fixed incorrect releasing of the OpenCL program resulting in segfaults / access violations
+- Various minor fixes and enhancements
+- Added tuned parameters for various devices (see doc/tuning.md)
+- Added non-BLAS level-1 routines:
+ * SHAD/DHAD/CHAD/ZHAD/HHAD (Hadamard element-wise vector-vector product)
+
+Version 1.3.0
+- Re-designed and integrated the auto-tuner, no more dependency on CLTune
+- Made it possible to override the tuning parameters in the clients straight from JSON tuning files
+- Added OpenCL pre-processor to unroll loops and perform array-to-register promotions for compilers
+ which don't do this themselves (ARM Mali) - greatly improves performance on these platforms
+- Added first tuners for the TRSV (block size) and TRSM (invert kernel) routines
+- Added an optional argument to the GEMM routine to provide a pre-allocated temporary buffer
+- Fixed an issue with a crashing/hanging AMD APP compiler with the TRSM routine (invert kernel)
+- Improved compilation time by splitting the tuning database into multiple compilation units
+- Various minor fixes and enhancements
+- Added tuned parameters for various devices (see README)
+- Added the RetrieveParameters function to the API to be able to inspect the tuning parameters
+- Added a strided-batched (not part of the BLAS standard) routine, faster but less generic compared
+ to the existing xGEMMBATCHED routines:
+ * SGEMMSTRIDEDBATCHED/DGEMMSTRIDEDBATCHED/CGEMMSTRIDEDBATCHED/ZGEMMSTRIDEDBATCHED/HGEMMSTRIDEDBATCHED
+
+Version 1.2.0
+- Fixed a bug in the TRSM/TRSV routines due to missing synchronisations after GEMM/GEMV calls
+- Fixed a bug in TRSM when using the a-offset argument
+- Added a CUDA API to CLBlast:
+ * The library and kernels can be compiled with the CUDA driver API and NVRTC (requires CUDA 7.5)
+ * Two CUDA API sample programs are added: SGEMM and DAXPY
+ * All correctness tests and performance clients work on CUDA like they did for OpenCL
+- Kernels are now cached based on their tuning parameters: fits the use-case of 'OverrideParameters'
+- Cross-compiling for Android is now supported using CMake; instructions are added to the README
+- Improved performance for small GEMM problems by going from 3 to 1 optional temporary buffers
+- GEMM kernel selection (direct vs in-direct) is now done automatically using a new tuner
+- Various minor fixes and enhancements
+- Added tuned parameters for various devices (see README)
+
+Version 1.1.0
+- The tuning database now has defaults per architecture (e.g. NVIDIA Kepler SM3.5, AMD Fiji)
+- The tuning database now has a dictionary to translate vendor/device names to a common set
+- The tuners can now distinguish between different AMD GPU board names of the same architecture
+- The tuners can now use particle-swarm optimisation to search more efficiently (thanks to 'mcian')
+- Improved performance for small problems on NVIDIA hardware by caching the device name
+- Further improved compilation time of database.cpp
+- Added a small diagnostics helper executable
+- Various minor fixes and enhancements
+- Added tuned parameters for various devices (see README)
+- Added non-BLAS routines:
+ * SIM2COL/DIM2COL/CIM2COL/ZIM2COL/HIM2COL (im2col transform as used to express convolution as GEMM)
+
+Version 1.0.1
+- Fixed a bug in the direct version of the GEMM kernel
+
+Version 1.0.0
+- Fixed a bug in the TRSM routine for alpha != 1
+- Fixed a bug in the cache related to multi-device contexts (thanks to 'kpot')
+- Fixed a bug in the direct version of the GEMM kernel
+- Fixed several warnings for MSVC and Clang
+- Added support for Mesa Clover and AMD's ROCm by making the inline keyword optional in kernels
+- Performance reports are now external at https://cnugteren.github.io/clblast
+- Greatly improved compilation time of database.cpp
+- Various minor fixes and enhancements
+- Added tuned parameters for various devices (see README)
+- Added non-BLAS level-1 routines:
+ * iSAMIN/iDAMIN/iCAMIN/iZAMIN (absolute minimum version of the ixAMAX BLAS routines)
+
+Version 0.11.0
+- Improved the internal program source and binary caches for scalability and speed (thanks to 'intelfx')
+- Fixed a bug having to re-create the binary even if it was in the cache
+- Fixed a bug when using offsets in the direct version of the GEMM kernels
+- Fixed a missing cl_khr_fp64 when running double-precision on Intel CPUs
+- Fixed tests on Apple's CPU OpenCL implementation; still not fast but correct at least
+- Fixed bugs in the half-precision routines HTBMV/HTPMV/HTRMV/HSYR2K/HTRMM
+- Tests now also exit with an error code when OpenCL errors or compilation errors occur
+- Tests now also check for the L2 error in case of half-precision
+- Clients can now test against cuBLAS on NVIDIA systems for performance comparisons (-DCUBLAS=ON)
+- Replaced the R graph scripts with Python/Matplotlib scripts
+- Various minor fixes and enhancements
+- Added tuned parameters for various devices (see README)
+- Added the OverrideParameters function to the API to be able to supply custom tuning parameters
+- Added triangular solver (level-2 & level-3) routines:
+ * STRSV/DTRSV/CTRSV/ZTRSV (experimental, un-optimized)
+ * STRSM/DTRSM/CTRSM/ZTRSM (experimental, un-optimized)
+- Added batched (not part of the BLAS standard) routines:
+ * SAXPYBATCHED/DAXPYBATCHED/CAXPYBATCHED/ZAXPYBATCHED/HAXPYBATCHED (batched version of AXPY)
+ * SGEMMBATCHED/DGEMMBATCHED/CGEMMBATCHED/ZGEMMBATCHED/HGEMMBATCHED (batched version of GEMM)
+
+Version 0.10.0
+- Updated to version 8.0 of the CLCudaAPI C++11 OpenCL header
+- Changed the enums in the C API to avoid potential name clashes with external code
+- Added a Netlib CBLAS compatible API (not recommended for full control over performance)
+- Greatly improved the way exceptions are handled in the library (thanks to 'intelfx')
+- Improved performance of GEMM kernels for small sizes by using a direct single-kernel implementation
+- Fixed a bug in the tests and samples related to waiting for an invalid event
+- Fixed a bug in the SYRK/SYR2K/HERK/HER2K routines that would occur with specific tuning parameters
+- Fixed a bug in the TRMM routine that would overwrite input data before consuming everything
+- Added support for compilation under Visual Studio 2013 (MSVC++ 12.0)
+- Added an option to set OpenCL compiler options through the env variable CLBLAST_BUILD_OPTIONS
+- Added an option to run tuned kernels multiple times to average execution times
+- Added an option to build a static version of the library
+- Made it possible to use the command-line environmental vars everywhere and without re-running CMake
+- Various minor fixes and enhancements
+- Added tuned parameters for various devices (see README)
+
+Version 0.9.0
+- Updated to version 6.0 of the CLCudaAPI C++11 OpenCL header
+- Improved performance significantly of rotated GEMV computations
+- Improved performance of unseen/un-tuned devices by a better default tuning parameter selection
+- Fixed proper MSVC dllimport and dllexport declarations
+- Fixed memory leaks related to events not being released
+- Fixed a bug with a size_t and cl_ulong mismatch on 32-bit systems
+- Fixed a bug related to the cache and retrieval of programs based on the OpenCL context
+- Fixed a performance issue (caused by fp16 support) by optimizing alpha/beta parameter passing to kernels
+- Fixed a bug in the OpenCL kernels: now placing __kernel before __attribute__
+- Fixed a bug in level-3 routines when beta is zero and matrix C contains NaNs
+- Added an option (-warm_up) to do a warm-up run before timing in the performance clients
+- Various minor fixes and enhancements
+- Added tuned parameters for various devices (see README)
+
+Version 0.8.0
+- Added support for half-precision floating-point (fp16) in the library
+- Made it possible to compile the performance tests (clients) separately from the correctness tests
+- Made a reference BLAS and head-to-head performance comparison optional in the clients
+- Increased the verbosity of the "-verbose" option in the correctness tests
+- Refactored the host code for better compilation times and fewer lines of code
+- Added Appveyor continuous integration and increased coverage of the Travis builds
+- Improved the API documentation
+- Various minor fixes and enhancements
+- Added tuned parameters for various devices (see README)
+- Added half-precision routines:
+ * Level-1: HSWAP/HSCAL/HCOPY/HAXPY/HDOT/HNRM2/HASUM/HSUM/iHAMAX/iHMAX/iHMIN
+ * Level-2: HGEMV/HGBMV/HHEMV/HHBMV/HHPMV/HSYMV/HSBMV/HSPMV/HTRMV/HTBMV/HTPMV/HGER/HSYR/HSPR/HSYR2/HSPR2
+ * Level-3: HGEMM/HSYMM/HSYRK/HSYR2K/HTRMM
+- Added non-BLAS routines:
+ * SOMATCOPY/DOMATCOPY/COMATCOPY/ZOMATCOPY/HOMATCOPY (matrix copy, scaling, and/or transpose)
+
+Version 0.7.1
+- Improved performance of large power-of-2 xGEMM kernels for AMD GPUs
+- Fixed a bug in the xGEMM routine related to the event incorrectly set
+- Made MSVC link the run-time libraries statically
+
+Version 0.7.0
+- Added exports to be able to create a DLL on Windows (thanks to Marco Hutter)
+- Made the library thread-safe
+- Performance and correctness tests can now (on top of clBLAS) be performed against CPU BLAS libraries
+- Fixed the use of events within the library
+- Changed the enum parameters to match the raw values of the cblas standard
+- Fixed the cache of previously compiled binaries and added a function to fill or clear it
+- Various minor fixes and enhancements
+- Added a preliminary version of the API documentation
+- Added additional sample programs
+- Added tuned parameters for various devices (see README)
+- Added level-1 routines:
+ * SNRM2/DNRM2/ScNRM2/DzNRM2
+ * SASUM/DASUM/ScASUM/DzASUM
+ * SSUM/DSUM/ScSUM/DzSUM (non-absolute version of the above xASUM BLAS routines)
+ * iSAMAX/iDAMAX/iCAMAX/iZAMAX
+ * iSMAX/iDMAX/iCMAX/iZMAX (non-absolute version of the above ixAMAX BLAS routines)
+ * iSMIN/iDMIN/iCMIN/iZMIN (non-absolute minimum version of the above ixAMAX BLAS routines)
+
+Version 0.6.0
+- Added support for MSVC (Visual Studio) 2015
+- Added tuned parameters for various devices (see README)
+- Now automatically generates C++ code from JSON tuning results
+- Added level-2 routines:
+ * SGER/DGER
+ * CGERU/ZGERU
+ * CGERC/ZGERC
+ * CHER/ZHER
+ * CHPR/ZHPR
+ * CHER2/ZHER2
+ * CHPR2/ZHPR2
+ * CSYR/ZSYR
+ * CSPR/ZSPR
+ * CSYR2/ZSYR2
+ * CSPR2/ZSPR2
+
+Version 0.5.0
+- Improved structure and performance of level-2 routines (xSYMV/xHEMV)
+- Reduced compilation time of level-3 OpenCL kernels
+- Added level-1 routines:
+ * SSWAP/DSWAP/CSWAP/ZSWAP
+ * SSCAL/DSCAL/CSCAL/ZSCAL
+ * SCOPY/DCOPY/CCOPY/ZCOPY
+ * SDOT/DDOT
+ * CDOTU/ZDOTU
+ * CDOTC/ZDOTC
+- Added level-2 routines:
+ * SGBMV/DGBMV/CGBMV/ZGBMV
+ * CHBMV/ZHBMV
+ * CHPMV/ZHPMV
+ * SSBMV/DSBMV
+ * SSPMV/DSPMV
+ * STRMV/DTRMV/CTRMV/ZTRMV
+ * STBMV/DTBMV/CTBMV/ZTBMV
+ * STPMV/DTPMV/CTPMV/ZTPMV
+
+Version 0.4.0
+- Now using the Claduc C++11 interface to OpenCL
+- Added plain C API for increased compatibility (clblast_c.h)
+- Re-organized tuner infrastructure and added JSON output
+- Removed clBLAS sources, it should now be installed separately for testing
+- Added Travis continuous integration
+- Added level-2 routines:
+ * CHEMV/ZHEMV
+ * SSYMV/DSYMV
+
+Version 0.3.0
+- Re-organized test/client infrastructure to avoid code duplication
+- Added an optional bypass for pre/post-processing kernels in level-3 routines
+- Significantly improved performance of level-3 routines on AMD GPUs
+- Added level-3 routines:
+ * CHEMM/ZHEMM
+ * SSYRK/DSYRK/CSYRK/ZSYRK
+ * CHERK/ZHERK
+ * SSYR2K/DSYR2K/CSYR2K/ZSYR2K
+ * CHER2K/ZHER2K
+ * STRMM/DTRMM/CTRMM/ZTRMM
+
+Version 0.2.0
+- Added support for complex conjugate transpose
+- Several host-code performance improvements
+- Improved testing infrastructure and coverage
+- Added level-2 routines:
+ * SGEMV/DGEMV/CGEMV/ZGEMV
+- Added level-3 routines:
+ * CGEMM/ZGEMM
+ * CSYMM/ZSYMM
+
+Version 0.1.0
+- Initial preview version release to GitHub
+- Supported level-1 routines:
+ * SAXPY/DAXPY/CAXPY/ZAXPY
+- Supported level-3 routines:
+ * SGEMM/DGEMM
+ * SSYMM/DSYMM