330 lines
17 KiB
Plaintext
330 lines
17 KiB
Plaintext
Development version (next version)
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- (no changes yet since last release)
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Version 1.6.2
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- Fix a bug in the pre-processor that would cause issues on Arm GPUs
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- Fix DLL install directory in mingw
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- Modifications to the Python bindings (pyclblast)
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* Convert float scalar values to cl_half for fp16 routines
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* Amax/amin, max/min routines accept unsigned integer buffers for index
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* Switch to pyproject.toml file for installing Python bindings
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* Build Python bindings using Cmake, adding Windows support
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- Generator script now always use LF endings, independent of the platform
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- Added tuned parameters for many devices (see doc/tuning.md)
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Version 1.6.1
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- Fix pointer error in pyclblast on Arm
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- Fix a multithreading bug related to storing objects in the cache
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- Added tuned parameters for many devices (see doc/tuning.md)
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Version 1.6.0
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- Modifications to improve performance on Qualcomm Adreno GPUs:
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* Unique database entries for specific Adreno devices
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* Toggle OpenCL kernel compilation options for Adreno
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* New preprocessor directive RELAX_WORKGROUP_SIZE
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- Fixed a bug in handling of #undef in CLBlast loop unrolling and array-to-register mapping functions
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- Fixed a bug in XAMAX/XAMIN routines related to inadvertently including the increment and offset in the result
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- Fixed a bug in XAMAX/XAMIN routines that would cause only the real part of a complex number to be taken into account
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- Fixed a bug that caused tests to not properly do integer-output testing (for XAMAX/XAMIN)
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- Fixes a minor issue with the expected input buffer size in the TRMV/TBMV/TPMV/TRSV routines
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- Fixes an issue with crashes on Android related to calling clReleaseProgram
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- Fixes two small issues in the plotting script
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- Fixed a documentation bug in the 'ld' requirements
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- Enabled Github Actions CI builds for testing and releasing
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- Various minor fixes and enhancements
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- Added tuned parameters for various devices (see doc/tuning.md)
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Version 1.5.3
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- Fix a correctness issue with DGEMM on SM 7.5 Turing GPUs
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- Various minor fixes and enhancements
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- Added tuned parameters for various devices (see doc/tuning.md)
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- Update cl.hpp to the new opencl.hpp header in the samples
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- Changed the complex sum routine to return the complex sum instead of the absolute complex sum.
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Version 1.5.2
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- Changed XAMAX/XAMIN to more likely return first rather than last min/max index, updated API docs
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- Added batched routines to pyclblast
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- Added CLBLAST_VERSION_MAJOR/MINOR/PATCH defines in headers to store version numbering
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- Several small improvements to the benchmark script (thanks to 'baryluk')
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- Fixed a bug in the caching when using a context with multiple devices
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- Fixed a bug in the tuners related to global workgroup size not being a multiple of the local
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- Various minor fixes and enhancements
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- Added tuned parameters for various devices (see doc/tuning.md)
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Version 1.5.1
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- Implemented single-kernel version of convolution as GEMM
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- Now catches all exceptions thrown by the tuners
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- Fixed a bug in ISAMIN kernel
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- Fixed an out-of-bounds read/write in the XHAD routine (thanks to etomzak)
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- Various minor fixes and enhancements
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- Added tuned parameters for various devices (see doc/tuning.md)
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Version 1.5.0
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- Added support for shuffle instructions for NVIDIA GPUs (thanks to 'tyler-utah')
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- Added an option to compile the Netlib API with static OpenCL device and context (-DNETLIB_PERSISTENT_OPENCL=ON)
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- Added a FAQ page to the documentation
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- The tuners now check beforehand on invalid local thread sizes and skip those completely
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- Made the tuning API (OverrideParameters) more flexible, disregarding superfluous parameters
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- Fixed an issue with conjugate transpose not being executed in certain cases for a.o. XOMATCOPY
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- Fixed an issue with AMD GPUs and the new GEMMK == 1 kernel
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- Fixed an issue with the preprocessor and the new GEMMK == 1 kernel
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- Fixed an issue for unequal MWG and NWG and the new GEMMK == 1 kernel
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- Fixed an issue for certain parameters for AXPY's 'XaxpyFaster' kernel
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- Various minor fixes and enhancements
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- Added non-BLAS routines:
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* SCONVGEMM/DCONVGEMM/HCONVGEMM (convolution as im2col followed by batched GEMM)
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* SCOL2IM/DCOL2IM/CCOL2IM/ZCOL2IM/HCOL2IM (col2im transform as used in machine learning)
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Version 1.4.1
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- Fixed an access violation under Windows upon releasing the OpenCL program when the driver is already unloaded
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- Fixed an issue with double cl_program release in the CLBlast caching system
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- Added tuned parameters for various devices (see doc/tuning.md)
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Version 1.4.0
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- Added Python interface to CLBlast 'PyCLBlast'
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- Added CLBlast to Ubuntu PPA and macOS Homebrew package managers
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- Added an API to run the tuners programmatically without any I/O
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- Improved the performance potential by adding a second tunable GEMM kernel with 2D register tiling
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- Added support for Intel specific subgroup shuffling extensions for faster GEMM on Intel GPUs
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- Re-added a local memory size constraint to the tuners
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- The routine tuners now automatically pick up tuning results from disk from the kernel tuners
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- Updated and reorganised the CLBlast documentation
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- Added a 'canary' region to check for overflows in the tuner and tests (inspired by clARMOR)
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- Added an option to test against and compare performance with Intel's MKL
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- Fixed an access violation when compiled with Visual Studio upon releasing the OpenCL program
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- Fixed incorrect releasing of the OpenCL program resulting in segfaults / access violations
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- Various minor fixes and enhancements
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- Added tuned parameters for various devices (see doc/tuning.md)
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- Added non-BLAS level-1 routines:
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* SHAD/DHAD/CHAD/ZHAD/HHAD (Hadamard element-wise vector-vector product)
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Version 1.3.0
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- Re-designed and integrated the auto-tuner, no more dependency on CLTune
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- Made it possible to override the tuning parameters in the clients straight from JSON tuning files
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- Added OpenCL pre-processor to unroll loops and perform array-to-register promotions for compilers
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which don't do this themselves (ARM Mali) - greatly improves performance on these platforms
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- Added first tuners for the TRSV (block size) and TRSM (invert kernel) routines
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- Added an optional argument to the GEMM routine to provide a pre-allocated temporary buffer
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- Fixed an issue with a crashing/hanging AMD APP compiler with the TRSM routine (invert kernel)
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- Improved compilation time by splitting the tuning database into multiple compilation units
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- Various minor fixes and enhancements
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- Added tuned parameters for various devices (see README)
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- Added the RetrieveParameters function to the API to be able to inspect the tuning parameters
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- Added a strided-batched (not part of the BLAS standard) routine, faster but less generic compared
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to the existing xGEMMBATCHED routines:
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* SGEMMSTRIDEDBATCHED/DGEMMSTRIDEDBATCHED/CGEMMSTRIDEDBATCHED/ZGEMMSTRIDEDBATCHED/HGEMMSTRIDEDBATCHED
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Version 1.2.0
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- Fixed a bug in the TRSM/TRSV routines due to missing synchronisations after GEMM/GEMV calls
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- Fixed a bug in TRSM when using the a-offset argument
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- Added a CUDA API to CLBlast:
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* The library and kernels can be compiled with the CUDA driver API and NVRTC (requires CUDA 7.5)
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* Two CUDA API sample programs are added: SGEMM and DAXPY
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* All correctness tests and performance clients work on CUDA like they did for OpenCL
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- Kernels are now cached based on their tuning parameters: fits the use-case of 'OverrideParameters'
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- Cross-compiling for Android is now supported using CMake; instructions are added to the README
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- Improved performance for small GEMM problems by going from 3 to 1 optional temporary buffers
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- GEMM kernel selection (direct vs in-direct) is now done automatically using a new tuner
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- Various minor fixes and enhancements
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- Added tuned parameters for various devices (see README)
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Version 1.1.0
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- The tuning database now has defaults per architecture (e.g. NVIDIA Kepler SM3.5, AMD Fiji)
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- The tuning database now has a dictionary to translate vendor/device names to a common set
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- The tuners can now distinguish between different AMD GPU board names of the same architecture
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- The tuners can now use particle-swarm optimisation to search more efficiently (thanks to 'mcian')
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- Improved performance for small problems on NVIDIA hardware by caching the device name
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- Further improved compilation time of database.cpp
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- Added a small diagnostics helper executable
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- Various minor fixes and enhancements
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- Added tuned parameters for various devices (see README)
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- Added non-BLAS routines:
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* SIM2COL/DIM2COL/CIM2COL/ZIM2COL/HIM2COL (im2col transform as used to express convolution as GEMM)
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Version 1.0.1
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- Fixed a bug in the direct version of the GEMM kernel
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Version 1.0.0
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- Fixed a bug in the TRSM routine for alpha != 1
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- Fixed a bug in the cache related to multi-device contexts (thanks to 'kpot')
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- Fixed a bug in the direct version of the GEMM kernel
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- Fixed several warnings for MSVC and Clang
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- Added support for Mesa Clover and AMD's ROCm by making the inline keyword optional in kernels
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- Performance reports are now external at https://cnugteren.github.io/clblast
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- Greatly improved compilation time of database.cpp
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- Various minor fixes and enhancements
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- Added tuned parameters for various devices (see README)
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- Added non-BLAS level-1 routines:
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* iSAMIN/iDAMIN/iCAMIN/iZAMIN (absolute minimum version of the ixAMAX BLAS routines)
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Version 0.11.0
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- Improved the internal program source and binary caches for scalability and speed (thanks to 'intelfx')
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- Fixed a bug having to re-create the binary even if it was in the cache
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- Fixed a bug when using offsets in the direct version of the GEMM kernels
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- Fixed a missing cl_khr_fp64 when running double-precision on Intel CPUs
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- Fixed tests on Apple's CPU OpenCL implementation; still not fast but correct at least
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- Fixed bugs in the half-precision routines HTBMV/HTPMV/HTRMV/HSYR2K/HTRMM
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- Tests now also exit with an error code when OpenCL errors or compilation errors occur
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- Tests now also check for the L2 error in case of half-precision
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- Clients can now test against cuBLAS on NVIDIA systems for performance comparisons (-DCUBLAS=ON)
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- Replaced the R graph scripts with Python/Matplotlib scripts
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- Various minor fixes and enhancements
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- Added tuned parameters for various devices (see README)
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- Added the OverrideParameters function to the API to be able to supply custom tuning parameters
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- Added triangular solver (level-2 & level-3) routines:
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* STRSV/DTRSV/CTRSV/ZTRSV (experimental, un-optimized)
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* STRSM/DTRSM/CTRSM/ZTRSM (experimental, un-optimized)
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- Added batched (not part of the BLAS standard) routines:
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* SAXPYBATCHED/DAXPYBATCHED/CAXPYBATCHED/ZAXPYBATCHED/HAXPYBATCHED (batched version of AXPY)
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* SGEMMBATCHED/DGEMMBATCHED/CGEMMBATCHED/ZGEMMBATCHED/HGEMMBATCHED (batched version of GEMM)
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Version 0.10.0
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- Updated to version 8.0 of the CLCudaAPI C++11 OpenCL header
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- Changed the enums in the C API to avoid potential name clashes with external code
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- Added a Netlib CBLAS compatible API (not recommended for full control over performance)
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- Greatly improved the way exceptions are handled in the library (thanks to 'intelfx')
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- Improved performance of GEMM kernels for small sizes by using a direct single-kernel implementation
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- Fixed a bug in the tests and samples related to waiting for an invalid event
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- Fixed a bug in the SYRK/SYR2K/HERK/HER2K routines that would occur with specific tuning parameters
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- Fixed a bug in the TRMM routine that would overwrite input data before consuming everything
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- Added support for compilation under Visual Studio 2013 (MSVC++ 12.0)
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- Added an option to set OpenCL compiler options through the env variable CLBLAST_BUILD_OPTIONS
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- Added an option to run tuned kernels multiple times to average execution times
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- Added an option to build a static version of the library
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- Made it possible to use the command-line environmental vars everywhere and without re-running CMake
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- Various minor fixes and enhancements
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- Added tuned parameters for various devices (see README)
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Version 0.9.0
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- Updated to version 6.0 of the CLCudaAPI C++11 OpenCL header
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- Improved performance significantly of rotated GEMV computations
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- Improved performance of unseen/un-tuned devices by a better default tuning parameter selection
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- Fixed proper MSVC dllimport and dllexport declarations
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- Fixed memory leaks related to events not being released
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- Fixed a bug with a size_t and cl_ulong mismatch on 32-bit systems
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- Fixed a bug related to the cache and retrieval of programs based on the OpenCL context
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- Fixed a performance issue (caused by fp16 support) by optimizing alpha/beta parameter passing to kernels
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- Fixed a bug in the OpenCL kernels: now placing __kernel before __attribute__
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- Fixed a bug in level-3 routines when beta is zero and matrix C contains NaNs
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- Added an option (-warm_up) to do a warm-up run before timing in the performance clients
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- Various minor fixes and enhancements
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- Added tuned parameters for various devices (see README)
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Version 0.8.0
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- Added support for half-precision floating-point (fp16) in the library
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- Made it possible to compile the performance tests (clients) separately from the correctness tests
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- Made a reference BLAS and head-to-head performance comparison optional in the clients
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- Increased the verbosity of the "-verbose" option in the correctness tests
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- Refactored the host code for better compilation times and fewer lines of code
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- Added Appveyor continuous integration and increased coverage of the Travis builds
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- Improved the API documentation
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- Various minor fixes and enhancements
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- Added tuned parameters for various devices (see README)
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- Added half-precision routines:
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* Level-1: HSWAP/HSCAL/HCOPY/HAXPY/HDOT/HNRM2/HASUM/HSUM/iHAMAX/iHMAX/iHMIN
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* Level-2: HGEMV/HGBMV/HHEMV/HHBMV/HHPMV/HSYMV/HSBMV/HSPMV/HTRMV/HTBMV/HTPMV/HGER/HSYR/HSPR/HSYR2/HSPR2
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* Level-3: HGEMM/HSYMM/HSYRK/HSYR2K/HTRMM
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- Added non-BLAS routines:
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* SOMATCOPY/DOMATCOPY/COMATCOPY/ZOMATCOPY/HOMATCOPY (matrix copy, scaling, and/or transpose)
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Version 0.7.1
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- Improved performance of large power-of-2 xGEMM kernels for AMD GPUs
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- Fixed a bug in the xGEMM routine related to the event incorrectly set
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- Made MSVC link the run-time libraries statically
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Version 0.7.0
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- Added exports to be able to create a DLL on Windows (thanks to Marco Hutter)
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- Made the library thread-safe
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- Performance and correctness tests can now (on top of clBLAS) be performed against CPU BLAS libraries
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- Fixed the use of events within the library
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- Changed the enum parameters to match the raw values of the cblas standard
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- Fixed the cache of previously compiled binaries and added a function to fill or clear it
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- Various minor fixes and enhancements
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- Added a preliminary version of the API documentation
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- Added additional sample programs
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- Added tuned parameters for various devices (see README)
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- Added level-1 routines:
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* SNRM2/DNRM2/ScNRM2/DzNRM2
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* SASUM/DASUM/ScASUM/DzASUM
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* SSUM/DSUM/ScSUM/DzSUM (non-absolute version of the above xASUM BLAS routines)
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* iSAMAX/iDAMAX/iCAMAX/iZAMAX
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* iSMAX/iDMAX/iCMAX/iZMAX (non-absolute version of the above ixAMAX BLAS routines)
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* iSMIN/iDMIN/iCMIN/iZMIN (non-absolute minimum version of the above ixAMAX BLAS routines)
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Version 0.6.0
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- Added support for MSVC (Visual Studio) 2015
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- Added tuned parameters for various devices (see README)
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- Now automatically generates C++ code from JSON tuning results
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- Added level-2 routines:
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* SGER/DGER
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* CGERU/ZGERU
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* CGERC/ZGERC
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* CHER/ZHER
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* CHPR/ZHPR
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* CHER2/ZHER2
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* CHPR2/ZHPR2
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* CSYR/ZSYR
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* CSPR/ZSPR
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* CSYR2/ZSYR2
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* CSPR2/ZSPR2
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Version 0.5.0
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- Improved structure and performance of level-2 routines (xSYMV/xHEMV)
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- Reduced compilation time of level-3 OpenCL kernels
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- Added level-1 routines:
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* SSWAP/DSWAP/CSWAP/ZSWAP
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* SSCAL/DSCAL/CSCAL/ZSCAL
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* SCOPY/DCOPY/CCOPY/ZCOPY
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* SDOT/DDOT
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* CDOTU/ZDOTU
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* CDOTC/ZDOTC
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- Added level-2 routines:
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* SGBMV/DGBMV/CGBMV/ZGBMV
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* CHBMV/ZHBMV
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* CHPMV/ZHPMV
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* SSBMV/DSBMV
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* SSPMV/DSPMV
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* STRMV/DTRMV/CTRMV/ZTRMV
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* STBMV/DTBMV/CTBMV/ZTBMV
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* STPMV/DTPMV/CTPMV/ZTPMV
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Version 0.4.0
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- Now using the Claduc C++11 interface to OpenCL
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- Added plain C API for increased compatibility (clblast_c.h)
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- Re-organized tuner infrastructure and added JSON output
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- Removed clBLAS sources, it should now be installed separately for testing
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- Added Travis continuous integration
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- Added level-2 routines:
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* CHEMV/ZHEMV
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* SSYMV/DSYMV
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Version 0.3.0
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- Re-organized test/client infrastructure to avoid code duplication
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- Added an optional bypass for pre/post-processing kernels in level-3 routines
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- Significantly improved performance of level-3 routines on AMD GPUs
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- Added level-3 routines:
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* CHEMM/ZHEMM
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* SSYRK/DSYRK/CSYRK/ZSYRK
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* CHERK/ZHERK
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* SSYR2K/DSYR2K/CSYR2K/ZSYR2K
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* CHER2K/ZHER2K
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* STRMM/DTRMM/CTRMM/ZTRMM
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Version 0.2.0
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- Added support for complex conjugate transpose
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- Several host-code performance improvements
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- Improved testing infrastructure and coverage
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- Added level-2 routines:
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* SGEMV/DGEMV/CGEMV/ZGEMV
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- Added level-3 routines:
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* CGEMM/ZGEMM
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* CSYMM/ZSYMM
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Version 0.1.0
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- Initial preview version release to GitHub
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- Supported level-1 routines:
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* SAXPY/DAXPY/CAXPY/ZAXPY
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- Supported level-3 routines:
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* SGEMM/DGEMM
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* SSYMM/DSYMM
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