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CHANGELOG
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CHANGELOG
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# ########################################################################
# Copyright 2013 Advanced Micro Devices, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ########################################################################
clBLAS Readme
Version: 1.10
Release Date: April 2013
ChangeLog:
____________
Current Version:
New:
* New Level 1 routines added (an 'x' implies all 4 precisions)
xSWAP, xCOPY, xSCAL, CSSCAL, ZDSCAL, xAXPY, SDOT, DDOT,
CDOTU, ZDOTU, CDOTC, ZDOTC, xROTG, SROTMG, DROTMG,
SROT, DROT, CSROT, ZDROT, SROTM, DROTM, SNRM2, DNRM2,
SCNRM2, DZNRM2, ixAMAX, SASUM, DASUM, SCASUM, DZASUM
* Samples have been added for the new functions
* This release tested using the 9.012 runtime driver and the 2.8 APPSDK
Fixed:
* Failures in *trsm functions with clMAGMA tests
Known Issues:
* Failures & hangs in ztrmm, *trsv, *tpsv functions on Southern Island GPU devices
* Failures in zgemm functions on Northern Island GPU devices
* Failures & hangs are expected to be fixed in the upcoming AMD graphics driver versions.
It is strongly recommended that users keep their graphics driver versions up to date.
____________
Version 1.8.291:
Fixed:
* Failures in the following functions: ssyr2, ssyr2k, strsm, strsv, ssyrk, cher,
ctrsv, csymm, cher2, ztrmm on Southern Island GPU devices.
* Failures in the following functions: dsyr, dsyr2, dgemv, dsyrk,
dsyr2k, zsyr2k on Trinity platforms.
Known Issues:
* Failures in *trsm functions with clMAGMA tests
____________
Version 1.8.269 (Beta, clMAGMA support):
New:
* No new routines
* This release tested using the 8.961 runtime driver and the 2.6 APPSDK
Known Issues:
* The clBLASTune executable has been observed to hang on Windows. If
this happens, abort execution of the tune program; it is not required
for correct operation of the BLAS routines (as of 8.872).
* clBLAS can return invalid results on CPU devices (as
of 8.961). The CPU device is primarily a test/debug device, and GPU
devices are unaffected.
* clBLAS can return invalid results for double precision functions (dsyr,
dsyr2, dgemv, dsyrk, dsyr2k, zsyr2k) on Trinity platforms (as of
8.961).
* clBLAS can return invalid results (ssyr2, ssyr2k, strsm, strsv, ssyrk, cher,
ctrsv, csymm, cher2, ztrmm) on Southern Island GPU devices (as of 8.961).
____________
Version 1.7 (Beta, clMAGMA support):
New:
* New Level 3 routines added (an 'x' implies all 4 precisions)
CHER2K, ZHER2K
* New Level 2 routines added (an 'x' implies all 4 precisions)
xTPMV, xTPSV, SSPVM, DSPMV, CHPMV, ZHPMV, SSPR, DSPR, CHPR, ZHPR,
SSPR2, DSPR2, CHPR2, ZHPR2, xGBMV, CHBMV, ZHBMV, SSBMV, DSBMV,
xTBMV, xTBSV
* Samples have been added for the new functions, but are not fully tested
* This release tested using the 8.951 runtime driver and the 2.6 APPSDK
* Note that documentation is incomplete for the new functions
Known Issues:
* The clBLASTune executable has been observed to hang on Windows. If
this happens, abort execution of the tune program; it is not required
for correct operation of the BLAS routines (as of 8.872).
* clBLAS can return invalid results on CPU devices that support AVX (as
of 8.951). CPU devices that support up to SSE3 are unaffected. The
CPU device is primarily a test/debug device, and GPU devices are
unaffected.
* clBLAS can return invalid results for double precision functions (dsyr,
dsyr2, dgemv, dsyrk, dsyr2k, zsyr2k) on Trinity platforms (as of
8.951).
* clBLAS can return invalid results (ssyr, ssyr2, strsv, ctrsv, ssyrk,
ssyr2k, ztrmm) on Southern Island GPU devices (as of 8.951).
____________
Version 1.6:
New:
* New Level 3 routines added (an 'x' implies all 4 precisions)
CSYRK, ZSYRK, CSYR2K, ZSYR2K, CHEMM, ZHEMM, CHERK, ZHERK, xSYMM
* New Level 2 routines added (an 'x' implies all 4 precisions)
CGEMV, ZGEMV, xTRMV, xTRSV, CHEMV, ZHEMV, SGER, DGER, CGERU, ZGERU,
CGERC, ZGERC, CHER, ZHER, CHER2, ZHER2, SSYR, DSYR, SSYR2, DSYR2
* For all the original functions prior to 1.6, a new API has been introduced
with an *Ex suffix. These extended API's add new parameters that allow
users to specify an offset to a matrix argument. This allows efficient
sub-matrix indexing within a clBLAS routine without requiring expensive
sub-matrix copy operations.
* Samples have been added for the new functions
* Preview: Support for AMD Radeon™ HD7000 series GPUs
* This release tested using the 8.92 runtime driver and the 2.6 APP SDK
Known Issues:
* The clBLASTune executable has been observed to hang on Windows. If this
happens, abort execution of the tune program; it is not required for
correct operation of the BLAS routines (as of 8.872).
* The CPU device for clBLAS is not functioning for this release (as of
8.872). The CPU device is primarily a test/debug device, and GPU
devices are unaffected.
____________
Version 1.4:
New:
* New Level 3 routines added
SSYRK, DSYRK, SSYR2K, DSYR2K
* New Level 2 routines added
SGEMV, DGEMV, SSYMV, DSYMV
* The image support functions (clblasAddScratchImage,
clblasRemoveScratchImage) have been deprecated. Images are no
longer required for the highest performance.
* InstallShield is now used for APPML libraries. The default install
location has changed from c:\amd\clBLAS to
C:\Program Files (x86)\AMD\clBLAS. It is recommended that previous
versions of clBLAS are uninstalled first.
* Samples have been added for the new functions
* This release tested using the 8.872 runtime driver and the 2.5 APP SDK
Known Issues:
* The clBLASTune executable has been observed to hang on Windows. If this
happens, abort execution of the tune program; it is not required for
correct operation of the BLAS routines (as of 8.872).
* The CPU device for clBLAS is not functioning for this release (as of
8.872). The CPU device is primarily a test/debug device, and GPU
devices are unaffected.
____________
Version 1.2:
* The library now supports both 32- and 64-bit Windows and Linux operating
systems.
* xTRSM routines are available in 1.2.
* clBLAS routines return clBLASStatus error codes, instead of native
OpenCL error codes
Fixed:
* xTRMM routines were not properly handling implicit unit diagonal
elements and implicit off-diagonal zero values specified by the BLAS
parameters SIDE, UPLO and DIAG.
* Possible crash with CPU device on 32-bit systems.
* clblasDgemm routine return an invalid event as its last argument.
* clBLAS routines return clblasStatus error codes, instead of
native OpenCL error codes.
Known Issues:
* The clBLASTune executable has been observed to hang on Windows. If this
happens, abort execution of the tune program; it is not required for
correct operation of the BLAS routines (as of 8.872).
* The CPU device for clBLAS is not functioning for this release (as of
8.872). The CPU device is primarily a test/debug device, and GPU
devices are unaffected.
____________________
Version 1.0:
* Initial release
Known Issues:
* Available only on Linux64.
* xTRMM routines were not properly handling implicit unit diagonal elements
and implicit off-diagonal zero values specified by the BLAS parameters
SIDE, UPLO and DIAG
* clblasDgemm returned an invalid event as its last argument
_____________
Building the Samples:
To install the Linux versions of clBLAS, uncompress the initial download, then
execute the install script.
For example:
tar -xf clBLAS-${version}-Linux.tar.gz
- This installs three files into the local directory, one being an
executable bash script.
sudo mkdir /opt/clBLAS-${version}
- This pre-creates the install directory with proper permissions
in /opt if it is to be installed there. (This is the default.)
./install-clBLAS-${version}.sh
- This prints an EULA and uncompresses files into the chosen install
directory.
cd ${installDir}/bin64
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:${OpenCLLibDir}:${clBLASLibDir}
- Be sure to export library dependencies to resolve all external
linkages to the client program; you can create a bash script to
help automate this procedure.
./example_sgemm
- Run a simple client; one example is provided for each supported
main BLAS function family.
The sample program does not ship with native build files; instead, a CMake
file is shipped, and the user generates a native build file for their system.
For example:
cd ${installDir}
mkdir samplesBin/
- This creates a sister directory to the samples directory that
houses the native makefiles and the generated files from the
build.
cd samplesBin/
ccmake ../samples/
- ccmake is a curses-based cmake program; it takes a parameter
that specifies the location of the source code to compile.
- Hit 'c' to configure for the platform; ensure that the
dependencies to external libraries are satisfied, including
paths to 'ATI Stream SDK'.
- After dependencies are satisfied, hit 'c' again to finalize
configuration. Then, hit 'g' to generate a makefile and
exit ccmake.
make help
- Look at the options available for make.
make
- Build the sample client program.
./example_sgemm
- Run a simple client; one example is provided for each supported main
BLAS function family.