Merge branch 'release-0.2.16'

.gitignore

@@ -68,3 +68,4 @@ test/zblat2
 test/zblat3
 build
 build.*
+*.swp

.travis.yml

@@ -24,7 +24,12 @@ before_install:
  - if [[ "$TARGET_BOX" == "WIN64" ]]; then sudo apt-get install -qq binutils-mingw-w64-x86-64 gcc-mingw-w64-x86-64 gfortran-mingw-w64-x86-64; fi
  - if [[ "$TARGET_BOX" == "LINUX32" ]]; then sudo apt-get install -qq  gcc-multilib gfortran-multilib; fi
 
-script: make QUIET_MAKE=1 DYNAMIC_ARCH=1 TARGET=NEHALEM NUM_THREADS=32 $BTYPE
+script: 
+ - set -e
+ - make QUIET_MAKE=1 DYNAMIC_ARCH=1 TARGET=NEHALEM NUM_THREADS=32 $BTYPE
+ - if [ "$TARGET_BOX" == "LINUX32" ] || [ "$TARGET_BOX" == "LINUX64" ]; then make -C test DYNAMIC_ARCH=1 TARGET=NEHALEM NUM_THREADS=32 $BTYPE; fi
+ - if [ "$TARGET_BOX" == "LINUX32" ] || [ "$TARGET_BOX" == "LINUX64" ]; then make -C ctest DYNAMIC_ARCH=1 TARGET=NEHALEM NUM_THREADS=32 $BTYPE; fi
+ - if [ "$TARGET_BOX" == "LINUX32" ] || [ "$TARGET_BOX" == "LINUX64" ]; then make -C utest DYNAMIC_ARCH=1 TARGET=NEHALEM NUM_THREADS=32 $BTYPE; fi
 
 # whitelist
 branches:

CMakeLists.txt

@@ -6,7 +6,7 @@ cmake_minimum_required(VERSION 2.8.4)
 project(OpenBLAS)
 set(OpenBLAS_MAJOR_VERSION 0)
 set(OpenBLAS_MINOR_VERSION 2)
-set(OpenBLAS_PATCH_VERSION 14)
+set(OpenBLAS_PATCH_VERSION 16)
 set(OpenBLAS_VERSION "${OpenBLAS_MAJOR_VERSION}.${OpenBLAS_MINOR_VERSION}.${OpenBLAS_PATCH_VERSION}")
 
 enable_language(ASM)
@@ -54,10 +54,6 @@ if (NOT DYNAMIC_ARCH)
   list(APPEND BLASDIRS kernel)
 endif ()
 
-if (DEFINED UTEST_CHECK)
-  set(SANITY_CHECK 1)
-endif ()
-
 if (DEFINED SANITY_CHECK)
   list(APPEND BLASDIRS reference)
 endif ()
@@ -110,6 +106,10 @@ if (${NO_STATIC} AND ${NO_SHARED})
   message(FATAL_ERROR "Neither static nor shared are enabled.")
 endif ()
 
+#Set default output directory
+set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib )
+set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib )
+
 # get obj vars into format that add_library likes: $<TARGET_OBJS:objlib> (see http://www.cmake.org/cmake/help/v3.0/command/add_library.html)
 set(TARGET_OBJS "")
 foreach (SUBDIR ${SUBDIRS})
@@ -139,6 +139,17 @@ add_library(${OpenBLAS_LIBNAME} SHARED ${LA_SOURCES} ${LAPACKE_SOURCES} ${TARGET
 
 include("${CMAKE_SOURCE_DIR}/cmake/export.cmake")
 
+# Set output for libopenblas
+set_target_properties( ${OpenBLAS_LIBNAME} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib)
+foreach (OUTPUTCONFIG ${CMAKE_CONFIGURATION_TYPES})
+  string( TOUPPER ${OUTPUTCONFIG} OUTPUTCONFIG )
+  set_target_properties( ${OpenBLAS_LIBNAME} PROPERTIES RUNTIME_OUTPUT_DIRECTORY_${OUTPUTCONFIG} ${PROJECT_BINARY_DIR}/lib)
+  set_target_properties( ${OpenBLAS_LIBNAME} PROPERTIES LIBRARY_OUTPUT_DIRECTORY_${OUTPUTCONFIG} ${PROJECT_BINARY_DIR}/lib)
+  set_target_properties( ${OpenBLAS_LIBNAME} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY_${OUTPUTCONFIG} ${PROJECT_BINARY_DIR}/lib)
+endforeach()
+
+enable_testing()
+add_subdirectory(utest)
 
 if(NOT MSVC)
 #only build shared library for MSVC
@@ -152,7 +163,6 @@ target_link_libraries(${OpenBLAS_LIBNAME}_static pthread)
 endif()
 
 #build test and ctest
-enable_testing()
 add_subdirectory(test)
 if(NOT NO_CBLAS)
 add_subdirectory(ctest)

CONTRIBUTORS.md

@@ -121,6 +121,17 @@ In chronological order:
   * [2014-10-10] trmm and sgemm kernels (optimized for APM's X-Gene 1).
                  ARMv8 support.
 
+* Jerome Robert <[email protected]>
+  * [2015-01-01] Speed-up small `ger` and `gemv` using stack allocation (bug #478)
+  * [2015-12-23] `stack_check` in `gemv.c` (bug #722)
+  * [2015-12-28] Allow to force the number of parallel make job
+  * [2015-12-28] Fix detection of AMD E2-3200 detection
+  * [2015-12-31] Let `make MAX_STACK_ALLOC=0` do what expected
+  * [2016-01-19] Disable multi-threading in `ger` and `swap` for small matrices (bug #731)
+  * [2016-01-24] Use `GEMM_MULTITHREAD_THRESHOLD` as a number of ops (bug #742)
+  * [2016-01-26] Let `openblas_get_num_threads` return the number of active threads (bug #760)
+  * [2016-01-30] Speed-up small `zger`, `zgemv`, `ztrmv` using stack allocation (bug #727)
+
 * Dan Kortschak
   * [2015-01-07] Added test for drotmg bug #484.
 
@@ -130,5 +141,11 @@ In chronological order:
 * Martin Koehler <https://github.com/grisuthedragon/>
   * [2015-09-07] Improved imatcopy
 
+* Ashwin Sekhar T K <https://github.com/ashwinyes/>
+  * [2015-11-09] Assembly kernels for Cortex-A57 (ARMv8)
+  * [2015-11-20] lapack-test fixes for Cortex-A57
+  * [2016-03-14] Additional functional Assembly Kernels for Cortex-A57
+  * [2016-03-14] Optimize Dgemm 4x4 for Cortex-A57
+
 * [Your name or handle] <[email or website]>
   * [Date] [Brief summary of your changes]

Changelog.txt

@@ -1,4 +1,57 @@
 OpenBLAS ChangeLog
+====================================================================
+Version 0.2.16
+15-Mar-2016
+common:
+	* Avoid potential getenv segfault. (#716)
+	* Import LAPACK svn bugfix #142-#147,#150-#155
+
+x86/x86_64:
+	* Optimize c/zgemv for AMD Bulldozer, Piledriver, Steamroller
+	* Fix bug with scipy linalg test.
+
+ARM:
+	* Improve DGEMM for ARM Cortex-A57. (Thanks, Ashwin Sekhar T K)
+
+POWER:
+	* Optimize D and Z BLAS3 functions for Power8.
+
+====================================================================
+Version 0.2.16.rc1
+23-Feb-2016
+common:
+	* Upgrade LAPACK to 3.6.0 version.
+	  Add BUILD_LAPACK_DEPRECATED option in Makefile.rule to build
+	  LAPACK deprecated functions.
+	* Add MAKE_NB_JOBS option in Makefile.
+	  Force number of make jobs.This is particularly
+	  useful when using distcc. (#735. Thanks, Jerome Robert.)
+	* Redesign unit test. Run unit/regression test at every build (Travis-CI and Appveyor).
+	* Disable multi-threading for small size swap and ger. (#744. Thanks, Jerome Robert)
+	* Improve small zger, zgemv, ztrmv using stack alloction (#727. Thanks, Jerome Robert)
+	* Let openblas_get_num_threads return the number of active threads. 
+	  (#760. Thanks, Jerome Robert)
+	* Support illumos(OmniOS). (#749. Thanks, Lauri Tirkkonen)
+	* Fix LAPACK Dormbr, Dormlq bug. (#711, #713. Thanks, Brendan Tracey)
+	* Update scipy benchmark script. (#745. Thanks, John Kirkham)
+
+x86/x86_64:
+	* Optimize trsm kernels for AMD Bulldozer, Piledriver, Steamroller.
+	* Detect Intel Avoton.
+	* Detect AMD Trinity, Richland, E2-3200.
+	* Fix gemv performance bug on Mac OSX Intel Haswell.
+	* Fix some bugs with CMake and Visual Studio
+
+ARM:
+	* Support and optimize Cortex-A57 AArch64.
+	  (#686. Thanks, Ashwin Sekhar TK)
+	* Fix Android build on ARMV7 (#778. Thanks, Paul Mustiere)
+	* Update ARMV6 kernels.
+
+POWER:
+	* Fix detection of POWER architecture
+	  (#684. Thanks, Sebastien Villemot)
+
 ====================================================================
 Version 0.2.15
 27-Oct-2015

Makefile

@@ -7,10 +7,6 @@ ifneq ($(DYNAMIC_ARCH), 1)
 BLASDIRS += kernel
 endif
 
-ifdef UTEST_CHECK
-SANITY_CHECK = 1
-endif
-
 ifdef SANITY_CHECK
 BLASDIRS += reference
 endif
@@ -85,22 +81,22 @@ endif
 
 shared :
 ifndef NO_SHARED
-ifeq ($(OSNAME), Linux)
+ifeq ($(OSNAME), $(filter $(OSNAME),Linux SunOS))
 	@$(MAKE) -C exports so
-	@-ln -fs $(LIBSONAME) $(LIBPREFIX).so
-	@-ln -fs $(LIBSONAME) $(LIBPREFIX).so.$(MAJOR_VERSION)
+	@ln -fs $(LIBSONAME) $(LIBPREFIX).so
+	@ln -fs $(LIBSONAME) $(LIBPREFIX).so.$(MAJOR_VERSION)
 endif
 ifeq ($(OSNAME), FreeBSD)
 	@$(MAKE) -C exports so
-	@-ln -fs $(LIBSONAME) $(LIBPREFIX).so
+	@ln -fs $(LIBSONAME) $(LIBPREFIX).so
 endif
 ifeq ($(OSNAME), NetBSD)
 	@$(MAKE) -C exports so
-	@-ln -fs $(LIBSONAME) $(LIBPREFIX).so
+	@ln -fs $(LIBSONAME) $(LIBPREFIX).so
 endif
 ifeq ($(OSNAME), Darwin)
 	@$(MAKE) -C exports dyn
-	@-ln -fs $(LIBDYNNAME) $(LIBPREFIX).dylib
+	@ln -fs $(LIBDYNNAME) $(LIBPREFIX).dylib
 endif
 ifeq ($(OSNAME), WINNT)
 	@$(MAKE) -C exports dll
@@ -117,10 +113,8 @@ ifndef CROSS
 	touch $(LIBNAME)
 ifndef NO_FBLAS
 	$(MAKE) -C test all
-ifdef UTEST_CHECK
 	$(MAKE) -C utest all
 endif
-endif
 ifndef NO_CBLAS
 	$(MAKE) -C ctest all
 endif
@@ -249,16 +243,23 @@ ifndef NOFORTRAN
 	-@echo "SUFFIX      = $(SUFFIX)" >> $(NETLIB_LAPACK_DIR)/make.inc
 	-@echo "PSUFFIX     = $(PSUFFIX)" >> $(NETLIB_LAPACK_DIR)/make.inc
 	-@echo "CEXTRALIB   = $(EXTRALIB)" >> $(NETLIB_LAPACK_DIR)/make.inc
-ifeq ($(FC), gfortran)
+ifeq ($(F_COMPILER), GFORTRAN)
 	-@echo "TIMER       = INT_ETIME" >> $(NETLIB_LAPACK_DIR)/make.inc
 ifdef SMP
+ifeq ($(OSNAME), WINNT)
+	-@echo "LOADER      = $(FC)" >> $(NETLIB_LAPACK_DIR)/make.inc
+else
 	-@echo "LOADER      = $(FC) -pthread" >> $(NETLIB_LAPACK_DIR)/make.inc
+endif
 else
 	-@echo "LOADER      = $(FC)" >> $(NETLIB_LAPACK_DIR)/make.inc
 endif
 else
 	-@echo "TIMER       = NONE" >> $(NETLIB_LAPACK_DIR)/make.inc
 	-@echo "LOADER      = $(FC)" >> $(NETLIB_LAPACK_DIR)/make.inc
+endif
+ifeq ($(BUILD_LAPACK_DEPRECATED), 1)
+	-@echo "BUILD_DEPRECATED      = 1" >> $(NETLIB_LAPACK_DIR)/make.inc
 endif
 	-@cat  make.inc >> $(NETLIB_LAPACK_DIR)/make.inc
 endif
@@ -288,8 +289,18 @@ endif
 lapack-test :
 	(cd $(NETLIB_LAPACK_DIR)/TESTING && rm -f x* *.out)
 	make -j 1 -C $(NETLIB_LAPACK_DIR)/TESTING xeigtstc  xeigtstd  xeigtsts  xeigtstz  xlintstc  xlintstd  xlintstds  xlintstrfd  xlintstrfz  xlintsts  xlintstz  xlintstzc xlintstrfs xlintstrfc
+ifneq ($(CROSS), 1)
+	( cd $(NETLIB_LAPACK_DIR)/INSTALL; ./testlsame; ./testslamch; ./testdlamch; \
+        ./testsecond; ./testdsecnd; ./testieee; ./testversion )
+	(cd $(NETLIB_LAPACK_DIR); ./lapack_testing.py -r )
+endif
+
+lapack-runtest:
+	( cd $(NETLIB_LAPACK_DIR)/INSTALL; ./testlsame; ./testslamch; ./testdlamch; \
+        ./testsecond; ./testdsecnd; ./testieee; ./testversion )
 	(cd $(NETLIB_LAPACK_DIR); ./lapack_testing.py -r )
 
+
 blas-test:
 	(cd $(NETLIB_LAPACK_DIR)/BLAS && rm -f x* *.out)
 	make -j 1 -C $(NETLIB_LAPACK_DIR) blas_testing

Makefile.arm

@@ -11,8 +11,8 @@ endif
 
 ifeq ($(CORE), ARMV7)
 ifeq ($(OSNAME), Android)
-CCOMMON_OPT += -marm -mfpu=neon  -mfloat-abi=hard -march=armv7-a
-FCOMMON_OPT += -marm -mfpu=neon  -mfloat-abi=hard -march=armv7-a
+CCOMMON_OPT += -marm -mfpu=neon  -mfloat-abi=hard -march=armv7-a -Wl,--no-warn-mismatch
+FCOMMON_OPT += -marm -mfpu=neon  -mfloat-abi=hard -march=armv7-a -Wl,--no-warn-mismatch
 else
 CCOMMON_OPT += -marm -mfpu=vfpv3  -mfloat-abi=hard -march=armv7-a
 FCOMMON_OPT += -marm -mfpu=vfpv3  -mfloat-abi=hard -march=armv7-a
@@ -29,5 +29,3 @@ ifeq ($(CORE), ARMV5)
 CCOMMON_OPT += -marm -march=armv5
 FCOMMON_OPT += -marm -march=armv5
 endif
-
-

Makefile.arm64

@@ -4,4 +4,8 @@ CCOMMON_OPT += -march=armv8-a
 FCOMMON_OPT += -march=armv8-a
 endif
 
+ifeq ($(CORE), CORTEXA57)
+CCOMMON_OPT += -march=armv8-a+crc+crypto+fp+simd -mtune=cortex-a57
+FCOMMON_OPT += -march=armv8-a+crc+crypto+fp+simd -mtune=cortex-a57
+endif
 

Makefile.install

@@ -29,7 +29,7 @@ install : 	lib.grd
 #for inc
 	@echo \#ifndef OPENBLAS_CONFIG_H > $(DESTDIR)$(OPENBLAS_INCLUDE_DIR)/openblas_config.h
 	@echo \#define OPENBLAS_CONFIG_H >> $(DESTDIR)$(OPENBLAS_INCLUDE_DIR)/openblas_config.h
-	@awk 'NF {print $$1, "OPENBLAS_"$$2, $$3}' config_last.h >> $(DESTDIR)$(OPENBLAS_INCLUDE_DIR)/openblas_config.h
+	@$(AWK) 'NF {print $$1, "OPENBLAS_"$$2, $$3}' config_last.h >> $(DESTDIR)$(OPENBLAS_INCLUDE_DIR)/openblas_config.h
 	@echo \#define OPENBLAS_VERSION \" OpenBLAS $(VERSION) \" >> $(DESTDIR)$(OPENBLAS_INCLUDE_DIR)/openblas_config.h
 	@cat openblas_config_template.h >> $(DESTDIR)$(OPENBLAS_INCLUDE_DIR)/openblas_config.h
 	@echo \#endif  \/\* OPENBLAS_CONFIG_H \*\/ >> $(DESTDIR)$(OPENBLAS_INCLUDE_DIR)/openblas_config.h
@@ -48,10 +48,10 @@ endif
 
 ifndef NO_LAPACKE
 	@echo Copying LAPACKE header files to $(DESTDIR)$(OPENBLAS_INCLUDE_DIR)
-	@-install -pm644 $(NETLIB_LAPACK_DIR)/lapacke/include/lapacke.h $(DESTDIR)$(OPENBLAS_INCLUDE_DIR)/lapacke.h
-	@-install -pm644 $(NETLIB_LAPACK_DIR)/lapacke/include/lapacke_config.h $(DESTDIR)$(OPENBLAS_INCLUDE_DIR)/lapacke_config.h
-	@-install -pm644 $(NETLIB_LAPACK_DIR)/lapacke/include/lapacke_mangling_with_flags.h $(DESTDIR)$(OPENBLAS_INCLUDE_DIR)/lapacke_mangling.h
-	@-install -pm644 $(NETLIB_LAPACK_DIR)/lapacke/include/lapacke_utils.h $(DESTDIR)$(OPENBLAS_INCLUDE_DIR)/lapacke_utils.h
+	@-install -pm644 $(NETLIB_LAPACK_DIR)/LAPACKE/include/lapacke.h $(DESTDIR)$(OPENBLAS_INCLUDE_DIR)/lapacke.h
+	@-install -pm644 $(NETLIB_LAPACK_DIR)/LAPACKE/include/lapacke_config.h $(DESTDIR)$(OPENBLAS_INCLUDE_DIR)/lapacke_config.h
+	@-install -pm644 $(NETLIB_LAPACK_DIR)/LAPACKE/include/lapacke_mangling_with_flags.h $(DESTDIR)$(OPENBLAS_INCLUDE_DIR)/lapacke_mangling.h
+	@-install -pm644 $(NETLIB_LAPACK_DIR)/LAPACKE/include/lapacke_utils.h $(DESTDIR)$(OPENBLAS_INCLUDE_DIR)/lapacke_utils.h
 endif
 
 #for install static library
@@ -64,7 +64,7 @@ endif
 #for install shared library
 ifndef NO_SHARED
 	@echo Copying the shared library to $(DESTDIR)$(OPENBLAS_LIBRARY_DIR)
-ifeq ($(OSNAME), Linux)
+ifeq ($(OSNAME), $(filter $(OSNAME),Linux SunOS))
 	@install -pm755 $(LIBSONAME) $(DESTDIR)$(OPENBLAS_LIBRARY_DIR)
 	@cd $(DESTDIR)$(OPENBLAS_LIBRARY_DIR) ; \
 	ln -fs $(LIBSONAME) $(LIBPREFIX).so ; \

Makefile.rule

@@ -3,7 +3,7 @@
 #
 
 # This library's version
-VERSION = 0.2.15
+VERSION = 0.2.16
 
 # If you set the suffix, the library name will be libopenblas_$(LIBNAMESUFFIX).a
 # and libopenblas_$(LIBNAMESUFFIX).so. Meanwhile, the soname in shared library
@@ -79,6 +79,9 @@ VERSION = 0.2.15
 # If you don't need LAPACKE (C Interface to LAPACK), please comment it in.
 # NO_LAPACKE = 1
 
+# Build LAPACK Deprecated functions since LAPACK 3.6.0
+# BUILD_LAPACK_DEPRECATED = 1
+
 # If you want to use legacy threaded Level 3 implementation.
 # USE_SIMPLE_THREADED_LEVEL3 = 1
 
@@ -108,6 +111,10 @@ NO_AFFINITY = 1
 # Don't use parallel make.
 # NO_PARALLEL_MAKE = 1
 
+# Force number of make jobs. The default is the number of logical CPU of the host.
+# This is particularly useful when using distcc
+# MAKE_NB_JOBS = 2
+
 # If you would like to know minute performance report of GotoBLAS.
 # FUNCTION_PROFILE = 1
 
@@ -138,10 +145,6 @@ NO_AFFINITY = 1
 # slow (Not implemented yet).
 # SANITY_CHECK = 1
 
-# Run testcases in utest/ . When you enable UTEST_CHECK, it would enable
-# SANITY_CHECK to compare the result with reference BLAS.
-# UTEST_CHECK = 1
-
 # The installation directory.
 # PREFIX = /opt/OpenBLAS
 
@@ -159,10 +162,11 @@ COMMON_PROF = -pg
 # Build Debug version
 # DEBUG = 1
 
-# Improve GEMV and GER for small matrices by stack allocation.
-# For details, https://github.com/xianyi/OpenBLAS/pull/482
+# Set maximum stack allocation.
+# The default value is 2048. 0 disable stack allocation a may reduce GER and GEMV
+# performance. For details, https://github.com/xianyi/OpenBLAS/pull/482
 #
- MAX_STACK_ALLOC=2048
+# MAX_STACK_ALLOC = 0
 
 # Add a prefix or suffix to all exported symbol names in the shared library.
 # Avoid conflicts with other BLAS libraries, especially when using