AOCL-BLIS Release 4.0

Author: kvaragan

.gitignore

@@ -31,6 +31,7 @@
 
 config.mk
 bli_config.h
+bli_addon.h
 
 # -- monolithic headers --
 

CMakeLists.txt

@@ -17,7 +17,7 @@ set(AOCL_BLIS_ZEN TRUE)
 set (PYTHON_EXE "python")
 
 if ("${AOCL_BLIS_FAMILY}" STREQUAL "")
-  message(FATAL_ERROR "Machine configuration missing! Select one of zen, zen2, zen3 or amdzen")
+  message(FATAL_ERROR "Machine configuration missing! Select one of zen, zen2, zen3, zen4 or amdzen")
 endif ()
 
 if (${AOCL_BLIS_FAMILY} STREQUAL "auto")
@@ -50,20 +50,32 @@ elseif (${AOCL_BLIS_FAMILY} STREQUAL "zen3")
   add_definitions(-DBLIS_KERNELS_ZEN2)
   add_definitions(-DBLIS_KERNELS_ZEN)
   add_definitions(-DBLIS_KERNELS_HASWELL)
+elseif (${AOCL_BLIS_FAMILY} STREQUAL "zen4")
+  add_definitions(-DBLIS_FAMILY_ZEN4)
+  add_definitions(-DBLIS_CONFIG_ZEN4)
+  add_definitions(-DBLIS_KERNELS_SKX)
+  add_definitions(-DBLIS_KERNELS_ZEN4)
+  add_definitions(-DBLIS_KERNELS_ZEN3)
+  add_definitions(-DBLIS_KERNELS_ZEN2)
+  add_definitions(-DBLIS_KERNELS_ZEN)
+  add_definitions(-DBLIS_KERNELS_HASWELL)
 elseif (${AOCL_BLIS_FAMILY} STREQUAL "amdzen")
   set(AOCL_BLIS_ZEN FALSE)
   add_definitions(-DBLIS_FAMILY_AMDZEN)
+  add_definitions(-DBLIS_CONFIG_ZEN4)
   add_definitions(-DBLIS_CONFIG_ZEN3)
   add_definitions(-DBLIS_CONFIG_ZEN2)
   add_definitions(-DBLIS_CONFIG_ZEN)
   add_definitions(-DBLIS_CONFIG_GENERIC)
+  add_definitions(-DBLIS_KERNELS_SKX)
+  add_definitions(-DBLIS_KERNELS_ZEN4)
   add_definitions(-DBLIS_KERNELS_ZEN3)
   add_definitions(-DBLIS_KERNELS_ZEN2)
   add_definitions(-DBLIS_KERNELS_HASWELL)
   add_definitions(-DBLIS_KERNELS_ZEN)
   add_definitions(-DBLIS_KERNELS_GENERIC)
 else ()
-  message(FATAL_ERROR "Wrong machine configuration. Select one of zen, zen2, zen3 or amdzen")
+  message(FATAL_ERROR "Wrong machine configuration. Select one of zen, zen2, zen3, zen4 or amdzen")
 endif ()
 
 set(TARGET_ARCH ${AOCL_BLIS_FAMILY})
@@ -95,6 +107,8 @@ option (ENABLE_UPPERCASE_API "export APIs with uppercase" OFF)
 option (ENABLE_COMPLEX_RETURN_INTEL "Enable complex_return_intel" OFF)
 option (ENABLE_TRSM_PREINVERSION "Enable TRSM preinversion" ON)
 option (ENABLE_AOCL_DYNAMIC "Enable Dynamic Multi-threading" OFF)
+option(DISABLE_BLIS_ARCH_TYPE "Disable BLIS_ARCH_TYPE functionality" OFF)
+option(RENAME_BLIS_ARCH_TYPE "Rename BLIS_ARCH_TYPE env var renamed to supplied value" BLIS_ARCH_TYPE)
 
 if (${AOCL_BLIS_FAMILY} STREQUAL "amdzen")
   set(REF_KERNEL_MIRRORING_PY "${CMAKE_SOURCE_DIR}/build/blis_ref_kernel_mirror.py")
@@ -270,6 +284,21 @@ else()
   endif()
 endif()
 
+if(DISABLE_BLIS_ARCH_TYPE)
+    set(BLIS_DISABLE_BLIS_ARCH_TYPE TRUE)
+else()
+    set(BLIS_DISABLE_BLIS_ARCH_TYPE FALSE)
+endif()
+
+if(RENAME_BLIS_ARCH_TYPE)
+    set(__blis_arch_type_name TRUE)
+    set(rename_blis_arch_type "${RENAME_BLIS_ARCH_TYPE}")
+else()
+    set(__blis_arch_type_name TRUE)
+    set(rename_blis_arch_type "BLIS_ARCH_TYPE")
+endif()
+
+
 #print configurations
 message("---cmake configurations---")
 message(CMAKE_C_COMPILER_ID : ${CMAKE_C_COMPILER_ID})
@@ -291,7 +320,8 @@ message(BLIS_ENABLE_MEMKIND : ${BLIS_ENABLE_MEMKIND})
 message(BLIS_ENABLE_PRAGMA_OMP_SIMD : ${BLIS_ENABLE_PRAGMA_OMP_SIMD})
 message(BLIS_ENABLE_SANDBOX : ${BLIS_ENABLE_SANDBOX})
 message(BLIS_ENABLE_SHARED : ${BLIS_ENABLE_SHARED})
-
+message(DISABLE_BLIS_ARCH_TYPE : ${DISABLE_BLIS_ARCH_TYPE})
+message(RENAME_BLIS_ARCH_TYPE : ${RENAME_BLIS_ARCH_TYPE})
 
 SET(ENABLE_SIMD_FLAGS "AVX2" CACHE STRING "Set compiler SIMD flags")
 SET_PROPERTY(CACHE ENABLE_SIMD_FLAGS PROPERTY STRINGS none SSE2 AVX AVX2)
@@ -304,6 +334,15 @@ elseif(${ENABLE_SIMD_FLAGS} MATCHES "SSE2")
   add_definitions(/arch:SSE2)
 endif()
 
+if(${TARGET_ARCH} STREQUAL zen4 OR 
+   ${TARGET_ARCH} STREQUAL amdzen)
+  set_source_files_properties(${CMAKE_CURRENT_SOURCE_DIR}/kernels/zen4/1/bli_amaxv_zen_int_avx512.c PROPERTIES COMPILE_FLAGS /arch:AVX512)
+  set_source_files_properties(${CMAKE_CURRENT_SOURCE_DIR}/kernels/zen4/3/bli_gemmtrsm_l_zen_16x14.c PROPERTIES COMPILE_FLAGS /arch:AVX512)
+  set_source_files_properties(${CMAKE_CURRENT_SOURCE_DIR}/kernels/zen4/3/bli_gemmtrsm_u_zen_16x14.c PROPERTIES COMPILE_FLAGS /arch:AVX512)
+  set_source_files_properties(${CMAKE_CURRENT_SOURCE_DIR}/kernels/skx/3/bli_dgemm_skx_asm_16x14.c PROPERTIES COMPILE_FLAGS /arch:AVX512)
+  set_source_files_properties(${CMAKE_CURRENT_SOURCE_DIR}/kernels/skx/3/bli_sgemm_skx_asm_32x12_l2.c PROPERTIES COMPILE_FLAGS /arch:AVX512)
+endif()
+
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W0 ")
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /Oi")
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /MP")
@@ -390,11 +429,13 @@ include_directories(${CMAKE_SOURCE_DIR}/config/generic)
 include_directories(${CMAKE_SOURCE_DIR}/config/zen)
 include_directories(${CMAKE_SOURCE_DIR}/config/zen2)
 include_directories(${CMAKE_SOURCE_DIR}/config/zen3)
+include_directories(${CMAKE_SOURCE_DIR}/config/zen4)
 if(${AOCL_BLIS_FAMILY} STREQUAL "amdzen")
     include_directories(${CMAKE_BINARY_DIR}/ref_kernels/generic)
     include_directories(${CMAKE_BINARY_DIR}/ref_kernels/zen)
     include_directories(${CMAKE_BINARY_DIR}/ref_kernels/zen2)
     include_directories(${CMAKE_BINARY_DIR}/ref_kernels/zen3)
+    include_directories(${CMAKE_BINARY_DIR}/ref_kernels/zen4)
 endif()
 include_directories(${CMAKE_SOURCE_DIR}/ref_kernels)
 include_directories(${CMAKE_SOURCE_DIR}/kernels)
@@ -410,7 +451,9 @@ include_directories(${CMAKE_SOURCE_DIR}/kernels/zen/2)
 include_directories(${CMAKE_SOURCE_DIR}/kernels/zen/3)
 include_directories(${CMAKE_SOURCE_DIR}/kernels/zen/3/sup)
 include_directories(${CMAKE_SOURCE_DIR}/kernels/zen2)
-
+include_directories(${CMAKE_SOURCE_DIR}/kernels/zen4)
+include_directories(${CMAKE_SOURCE_DIR}/kernels/skx)
+include_directories(${CMAKE_SOURCE_DIR}/kernels/skx/3)
 file(GLOB headers ${CMAKE_SOURCE_DIR}/*.h)
 
 # Monolithic Header generation
@@ -429,6 +472,7 @@ elseif (${AOCL_BLIS_FAMILY} STREQUAL "zen2")
     " ${CMAKE_CURRENT_SOURCE_DIR}/config/zen/"
     " ${CMAKE_CURRENT_SOURCE_DIR}/config/zen2/"
     " ${CMAKE_CURRENT_SOURCE_DIR}/config/zen3/"
+     " ${CMAKE_CURRENT_SOURCE_DIR}/config/zen4/"
     " ${CMAKE_CURRENT_SOURCE_DIR}/config/generic/"
     " ${CMAKE_CURRENT_SOURCE_DIR}/kernels/zen/"
     " ${CMAKE_CURRENT_SOURCE_DIR}/kernels/haswell/"
@@ -541,7 +585,8 @@ message( STATUS "Generating monolithic cblas header file :" ${CMD_OUTPUT})
 # setting the blis version string
 file (STRINGS "version" BLIS_VERSION)
 set(BLIS_VERSION_STRING ${BLIS_VERSION})
-add_definitions(-DBLIS_VERSION_STRING="AOCL BLIS ${BLIS_VERSION_STRING}")
+string(TIMESTAMP BUILD_DATE "%Y%m%d")
+add_definitions(-DBLIS_VERSION_STRING="AOCL-BLIS ${BLIS_VERSION_STRING} Build ${BUILD_DATE}")
 
 if(BUILD_SHARED_LIBS)
     add_library("${PROJECT_NAME}" SHARED ${CMAKE_SOURCE_DIR}/bli_config.h
@@ -574,6 +619,7 @@ add_subdirectory(frame)
 add_subdirectory(aocl_dtl)
 add_subdirectory(test)
 add_subdirectory(testsuite)
+add_subdirectory(bench)
 if(ENABLE_TESTCPP_TESTING)
     add_subdirectory(vendor/testcpp)
 endif()

CREDITS

@@ -23,6 +23,7 @@ but many others have contributed code and feedback, including
   Dilyn Corner             @dilyn-corner
   Mat Cross                @matcross           (NAG)
                            @decandia50
+  Daniël de Kok            @danieldk           (Explosion)
   Kay Dewhurst             @jkd2016            (Max Planck Institute, Halle, Germany)
   Jeff Diamond                                 (Oracle)
   Johannes Dieterich       @iotamudelta
@@ -45,6 +46,7 @@ but many others have contributed code and feedback, including
   Matthew Honnibal         @honnibal
   Stefan Husmann           @stefanhusmann
   Francisco Igual          @figual             (Universidad Complutense de Madrid)
+  Madeesh Kannan           @shadeMe
   Tony Kelman              @tkelman
   Lee Killough             @leekillough        (Cray)
   Mike Kistler             @mkistler           (IBM, Austin Research Laboratory)

Makefile

@@ -116,6 +116,7 @@ BASE_OBJ_FRAME_PATH    := $(BASE_OBJ_PATH)/$(FRAME_DIR)
 BASE_OBJ_AOCLDTL_PATH  := $(BASE_OBJ_PATH)/$(AOCLDTL_DIR)
 BASE_OBJ_REFKERN_PATH  := $(BASE_OBJ_PATH)/$(REFKERN_DIR)
 BASE_OBJ_KERNELS_PATH  := $(BASE_OBJ_PATH)/$(KERNELS_DIR)
+BASE_OBJ_ADDON_PATH    := $(BASE_OBJ_PATH)/$(ADDON_DIR)
 BASE_OBJ_SANDBOX_PATH  := $(BASE_OBJ_PATH)/$(SANDBOX_DIR)
 
 # --- Define install target names for static libraries ---
@@ -212,6 +213,20 @@ MK_REFKERN_OBJS     := $(foreach arch, $(CONFIG_LIST), \
 # Generate object file paths for all of the portable framework source code.
 MK_FRAME_OBJS       := $(call gen-obj-paths-from-src,$(FRAME_SRC_SUFS),$(MK_FRAME_SRC),$(FRAME_PATH),$(BASE_OBJ_FRAME_PATH))
 
+# Generate object file paths for the addon source code. If one or more addons
+# were not enabled a configure-time, these variable will we empty.
+# NOTE: We separate the source and objects into kernel and non-kernel lists.
+MK_ADDON_KERS_SRC   := $(foreach addon, $(ADDON_LIST), \
+                           $(filter $(ADDON_PATH)/$(addon)/$(KERNELS_DIR)/%, \
+                                    $(MK_ADDON_SRC)) \
+                        )
+MK_ADDON_OTHER_SRC  := $(foreach addon, $(ADDON_LIST), \
+                           $(filter-out $(ADDON_PATH)/$(addon)/$(KERNELS_DIR)/%, \
+                                        $(MK_ADDON_SRC)) \
+                        )
+MK_ADDON_KERS_OBJS  := $(call gen-obj-paths-from-src,$(ADDON_SRC_SUFS),$(MK_ADDON_KERS_SRC),$(ADDON_PATH),$(BASE_OBJ_ADDON_PATH))
+MK_ADDON_OTHER_OBJS := $(call gen-obj-paths-from-src,$(ADDON_SRC_SUFS),$(MK_ADDON_OTHER_SRC),$(ADDON_PATH),$(BASE_OBJ_ADDON_PATH))
+MK_ADDON_OBJS       := $(MK_ADDON_KERS_OBJS) $(MK_ADDON_OTHER_OBJS)
 # AMD has optimized some of the framework files, these optimizations
 # may not be compatible with other platforms.
 #
@@ -236,8 +251,6 @@ endif
 # Generate object file paths for all of the debgu and trace logger.
 MK_AOCLDTL_OBJS       := $(call gen-obj-paths-from-src,$(AOCLDTL_SRC_SUFS),$(MK_AOCLDTL_SRC),$(AOCLDTL_PATH),$(BASE_OBJ_AOCLDTL_PATH))
 
-
-
 # Generate object file paths for the sandbox source code. If a sandbox was not
 # enabled a configure-time, this variable will we empty.
 MK_SANDBOX_OBJS     := $(call gen-obj-paths-from-src,$(SANDBOX_SRC_SUFS),$(MK_SANDBOX_SRC),$(SANDBOX_PATH),$(BASE_OBJ_SANDBOX_PATH))
@@ -248,6 +261,7 @@ MK_BLIS_OBJS        := $(MK_CONFIG_OBJS) \
                        $(MK_REFKERN_OBJS) \
                        $(MK_FRAME_OBJS) \
                        $(MK_AOCLDTL_OBJS) \
+                       $(MK_ADDON_OBJS) \
                        $(MK_SANDBOX_OBJS)
 
 # Optionally filter out the BLAS and CBLAS compatibility layer object files.
@@ -590,6 +604,47 @@ endef
 
 # first argument: a configuration name from the union of config_list and
 # config_name, used to look up the CFLAGS to use during compilation.
+# second argument: the C99 addon file suffix being considered.
+define make-c99-addon-rule
+$(BASE_OBJ_ADDON_PATH)/%.o: $(ADDON_PATH)/%.$(2) $(BLIS_H_FLAT) $(ADDON_H99_FILES) $(MAKE_DEFS_MK_PATHS)
+ifeq ($(ENABLE_VERBOSE),yes)
+	$(CC) $(call get-addon-c99flags-for,$(1)) -c $$< -o $$@
+else
+	@echo "Compiling $$@" $(call get-addon-c99text-for,$(1))
+	@$(CC) $(call get-addon-c99flags-for,$(1)) -c $$< -o $$@
+endif
+endef
+
+# first argument: a configuration name from the union of config_list and
+# config_name, used to look up the CFLAGS to use during compilation.
+# second argument: the C99 addon file suffix being considered.
+# third argument: the name of the addon being considered.
+define make-c99-addon-kers-rule
+$(BASE_OBJ_ADDON_PATH)/$(3)/$(KERNELS_DIR)/%.o: $(ADDON_PATH)/$(3)/$(KERNELS_DIR)/%.$(2) $(BLIS_H_FLAT) $(ADDON_H99_FILES) $(MAKE_DEFS_MK_PATHS)
+ifeq ($(ENABLE_VERBOSE),yes)
+	$(CC) $(call get-addon-kernel-c99flags-for,$(1)) -c $$< -o $$@
+else
+	@echo "Compiling $$@" $(call get-addon-kernel-text-for,$(1))
+	@$(CC) $(call get-addon-kernel-c99flags-for,$(1)) -c $$< -o $$@
+endif
+endef
+
+# first argument: a configuration name from the union of config_list and
+# config_name, used to look up the CFLAGS to use during compilation.
+# second argument: the C++ addon file suffix being considered.
+define make-cxx-addon-rule
+$(BASE_OBJ_ADDON_PATH)/%.o: $(ADDON_PATH)/%.$(2) $(BLIS_H_FLAT) $(ADDON_HXX_FILES) $(MAKE_DEFS_MK_PATHS)
+ifeq ($(ENABLE_VERBOSE),yes)
+	$(CXX) $(call get-addon-cxxflags-for,$(1)) -c $$< -o $$@
+else
+	@echo "Compiling $$@" $(call get-addon-cxxtext-for,$(1))
+	@$(CXX) $(call get-addon-cxxflags-for,$(1)) -c $$< -o $$@
+endif
+endef
+
+# first argument: a configuration name from the union of config_list and
+# config_name, used to look up the CFLAGS to use during compilation.
+# second argument: the C99 sandbox file suffix being considered.
 define make-c99-sandbox-rule
 $(BASE_OBJ_SANDBOX_PATH)/%.o: $(SANDBOX_PATH)/%.$(2) $(BLIS_H_FLAT) $(SANDBOX_H99_FILES) $(MAKE_DEFS_MK_PATHS)
 ifeq ($(ENABLE_VERBOSE),yes)
@@ -600,6 +655,9 @@ else
 endif
 endef
 
+# first argument: a configuration name from the union of config_list and
+# config_name, used to look up the CFLAGS to use during compilation.
+# second argument: the C++ sandbox file suffix being considered.
 define make-cxx-sandbox-rule
 $(BASE_OBJ_SANDBOX_PATH)/%.o: $(SANDBOX_PATH)/%.$(2) $(BLIS_H_FLAT) $(SANDBOX_HXX_FILES) $(MAKE_DEFS_MK_PATHS)
 ifeq ($(ENABLE_VERBOSE),yes)
@@ -648,6 +706,22 @@ $(foreach conf, $(CONFIG_LIST), $(eval $(call make-refkern-rule,$(conf))))
 $(foreach suf, $(KERNELS_SRC_SUFS), \
 $(foreach kset, $(KERNEL_LIST), $(eval $(call make-kernels-rule,$(kset),$(call get-config-for-kset,$(kset)),$(suf)))))
 
+# Instantiate the build rule for C addon files. Use the CFLAGS for the
+# configuration family.
+$(foreach suf, $(ADDON_C99_SUFS), \
+$(foreach conf, $(CONFIG_NAME), $(eval $(call make-c99-addon-rule,$(conf),$(suf)))))
+
+# Instantiate the build rule for C addon/kernels files. Use the CFLAGS for the
+# configuration family.
+$(foreach addon, $(ADDON_LIST), \
+$(foreach suf, $(ADDON_C99_SUFS), \
+$(foreach conf, $(CONFIG_NAME), $(eval $(call make-c99-addon-kers-rule,$(conf),$(suf),$(addon))))))
+
+# Instantiate the build rule for C++ addon files. Use the CFLAGS for the
+# configuration family.
+$(foreach suf, $(ADDON_CXX_SUFS), \
+$(foreach conf, $(CONFIG_NAME), $(eval $(call make-cxx-addon-rule,$(conf),$(suf)))))
+
 # Instantiate the build rule for C sandbox files. Use the CFLAGS for the
 # configuration family.
 $(foreach suf, $(SANDBOX_C99_SUFS), \
@@ -1141,6 +1215,9 @@ ifeq ($(ENABLE_VERBOSE),yes)
 	- $(FIND) $(AOCLDTL_FRAG_PATH) -name "$(FRAGMENT_MK)" | $(XARGS) $(RM_F)
 	- $(FIND) $(REFKERN_FRAG_PATH) -name "$(FRAGMENT_MK)" | $(XARGS) $(RM_F)
 	- $(FIND) $(KERNELS_FRAG_PATH) -name "$(FRAGMENT_MK)" | $(XARGS) $(RM_F)
+ifneq ($(ADDON_LIST),)
+	- $(FIND) $(ADDON_FRAG_PATH) -name "$(FRAGMENT_MK)" | $(XARGS) $(RM_F)
+endif
 ifneq ($(SANDBOX),)
 	- $(FIND) $(SANDBOX_FRAG_PATH) -name "$(FRAGMENT_MK)" | $(XARGS) $(RM_F)
 endif
@@ -1155,6 +1232,10 @@ else
 	@- $(FIND) $(REFKERN_FRAG_PATH) -name "$(FRAGMENT_MK)" | $(XARGS) $(RM_F)
 	@echo "Removing makefile fragments from $(KERNELS_FRAG_PATH)"
 	@- $(FIND) $(KERNELS_FRAG_PATH) -name "$(FRAGMENT_MK)" | $(XARGS) $(RM_F)
+ifneq ($(ADDON_LIST),)
+	@echo "Removing makefile fragments from $(ADDON_FRAG_PATH)"
+	@- $(FIND) $(ADDON_FRAG_PATH) -name "$(FRAGMENT_MK)" | $(XARGS) $(RM_F)
+endif
 ifneq ($(SANDBOX),)
 	@echo "Removing makefile fragments from $(SANDBOX_FRAG_PATH)"
 	@- $(FIND) $(SANDBOX_FRAG_PATH) -name "$(FRAGMENT_MK)" | $(XARGS) $(RM_F)
@@ -1275,13 +1356,16 @@ endif # IS_CONFIGURED
 distclean: cleanmk cleanh cleanlib cleantest
 ifeq ($(IS_CONFIGURED),yes)
 ifeq ($(ENABLE_VERBOSE),yes)
+	- $(RM_F) $(BLIS_ADDON_H)
 	- $(RM_F) $(BLIS_CONFIG_H)
 	- $(RM_F) $(CONFIG_MK_FILE)
 	- $(RM_F) $(PC_OUT_FILE)
 	- $(RM_RF) $(OBJ_DIR)
 	- $(RM_RF) $(LIB_DIR)
 	- $(RM_RF) $(INCLUDE_DIR)
 else
+	@echo "Removing $(BLIS_ADDON_H)"
+	@$(RM_F) $(BLIS_ADDON_H)
 	@echo "Removing $(BLIS_CONFIG_H)"
 	@$(RM_F) $(BLIS_CONFIG_H)
 	@echo "Removing $(CONFIG_MK_FILE)"

addon/aocl_gemm/aocl_bf16_type.h

@@ -0,0 +1,36 @@
+
+/*
+   BLIS
+   An object-based framework for developing high-performance BLAS-like
+   libraries.
+   Copyright (C) 2022, Advanced Micro Devices, Inc. All rights reserved.
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions are
+   met:
+    - Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    - Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+    - Neither the name(s) of the copyright holder(s) nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+   HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+#ifndef AOCL_GEMM_HALF_PRECISION_TYPE_H
+#define AOCL_GEMM_HALF_PRECISION_TYPE_H
+
+typedef int16_t bfloat16;
+
+#endif // AOCL_GEMM_HALF_PRECISION_TYPE_H
+