Create a valid Neoverse N1 target.

config/neoversen1/bli_cntx_init_neoversen1.c

@@ -0,0 +1,77 @@
+/*
+
+   BLIS
+   An object-based framework for developing high-performance BLAS-like
+   libraries.
+
+   Copyright (C) 2014, The University of Texas at Austin
+
+   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.
+
+*/
+
+#include "blis.h"
+
+void bli_cntx_init_neoversen1( cntx_t* cntx )
+{
+	blksz_t blkszs[ BLIS_NUM_BLKSZS ];
+
+	// Set default kernel blocksizes and functions.
+	bli_cntx_init_neoversen1_ref( cntx );
+
+	// -------------------------------------------------------------------------
+
+	// Update the context with optimized native gemm micro-kernels and
+	// their storage preferences.
+	bli_cntx_set_l3_nat_ukrs
+	(
+	  2,
+	  BLIS_GEMM_UKR, BLIS_FLOAT,    bli_sgemm_armv8a_asm_8x12, FALSE,
+	  BLIS_GEMM_UKR, BLIS_DOUBLE,   bli_dgemm_armv8a_asm_6x8,  FALSE,
+	  cntx
+	);
+
+	// Initialize level-3 blocksize objects with architecture-specific values.
+	//                                           s      d      c      z
+	bli_blksz_init_easy( &blkszs[ BLIS_MR ],     8,     6,    -1,    -1 );
+	bli_blksz_init_easy( &blkszs[ BLIS_NR ],    12,     8,    -1,    -1 );
+	bli_blksz_init_easy( &blkszs[ BLIS_MC ],   120,   120,    -1,    -1 );
+	bli_blksz_init_easy( &blkszs[ BLIS_KC ],   640,   240,    -1,    -1 );
+	bli_blksz_init_easy( &blkszs[ BLIS_NC ],  3072,  3072,    -1,    -1 );
+
+	// Update the context with the current architecture's register and cache
+	// blocksizes (and multiples) for native execution.
+	bli_cntx_set_blkszs
+	(
+	  BLIS_NAT, 5,
+	  BLIS_NC, &blkszs[ BLIS_NC ], BLIS_NR,
+	  BLIS_KC, &blkszs[ BLIS_KC ], BLIS_KR,
+	  BLIS_MC, &blkszs[ BLIS_MC ], BLIS_MR,
+	  BLIS_NR, &blkszs[ BLIS_NR ], BLIS_NR,
+	  BLIS_MR, &blkszs[ BLIS_MR ], BLIS_MR,
+	  cntx
+	);
+}
+

config/neoversen1/bli_family_neoversen1.h

@@ -0,0 +1,42 @@
+/*
+
+   BLIS
+   An object-based framework for developing high-performance BLAS-like
+   libraries.
+
+   Copyright (C) 2014, The University of Texas at Austin
+
+   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 BLIS_FAMILY_H
+//#define BLIS_FAMILY_H
+
+
+// -- MEMORY ALLOCATION --------------------------------------------------------
+
+#define BLIS_SIMD_ALIGN_SIZE           16
+

config/neoversen1/make_defs.mk

@@ -0,0 +1,90 @@
+#
+#
+#  BLIS
+#  An object-based framework for developing high-performance BLAS-like
+#  libraries.
+#
+#  Copyright (C) 2014, The University of Texas at Austin
+#
+#  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.
+#
+#
+
+
+# Declare the name of the current configuration and add it to the
+# running list of configurations included by common.mk.
+THIS_CONFIG    := neoversen1
+#CONFIGS_INCL   += $(THIS_CONFIG)
+
+#
+# --- Determine the C compiler and related flags ---
+#
+
+# NOTE: The build system will append these variables with various
+# general-purpose/configuration-agnostic flags in common.mk. You
+# may specify additional flags here as needed.
+CPPROCFLAGS    := -D_GNU_SOURCE
+CMISCFLAGS     :=
+CPICFLAGS      :=
+CWARNFLAGS     :=
+
+ifneq ($(DEBUG_TYPE),off)
+CDBGFLAGS      := -g
+endif
+
+ifeq ($(DEBUG_TYPE),noopt)
+COPTFLAGS      := -O0
+else
+COPTFLAGS      := -O2 -mcpu=neoverse-n1
+endif
+
+# Flags specific to optimized kernels.
+CKOPTFLAGS     := $(COPTFLAGS) -O3 -ftree-vectorize
+ifeq ($(CC_VENDOR),gcc)
+CKVECFLAGS     := -mcpu=neoverse-n1
+else
+ifeq ($(CC_VENDOR),clang)
+CKVECFLAGS     := -mcpu=neoverse-n1
+else
+$(error gcc or clang is required for this configuration.)
+endif
+endif
+
+# Flags specific to reference kernels.
+CROPTFLAGS     := $(CKOPTFLAGS)
+ifeq ($(CC_VENDOR),gcc)
+CRVECFLAGS     := $(CKVECFLAGS) -funsafe-math-optimizations -ffp-contract=fast
+else
+ifeq ($(CC_VENDOR),clang)
+CRVECFLAGS     := $(CKVECFLAGS) -funsafe-math-optimizations -ffp-contract=fast
+else
+CRVECFLAGS     := $(CKVECFLAGS)
+endif
+endif
+
+# Store all of the variables here to new variables containing the
+# configuration name.
+$(eval $(call store-make-defs,$(THIS_CONFIG)))
+

config_registry

@@ -12,7 +12,7 @@ x86_64:         intel64 amd64 amd64_legacy
 intel64:        skx knl haswell sandybridge penryn generic
 amd64_legacy:   excavator steamroller piledriver bulldozer generic
 amd64:          zen3 zen2 zen generic
-arm64:          armsve firestorm thunderx2 cortexa57 cortexa53 generic
+arm64:          neoversen1 armsve firestorm thunderx2 cortexa57 cortexa53 generic
 arm32:          cortexa15 cortexa9 generic
 
 # Intel architectures.
@@ -32,6 +32,7 @@ piledriver:  piledriver
 bulldozer:   bulldozer
 
 # ARM architectures.
+neoversen1:  neoversen1/armv8a
 armsve:      armsve/armsve
 a64fx:       a64fx/armsve
 firestorm:   firestorm/armv8a

frame/base/bli_arch.c

@@ -194,6 +194,9 @@ void bli_arch_set_id( void )
 		#endif
 
 		// ARM microarchitectures.
+		#ifdef BLIS_FAMILY_NEOVERSEN1
+		id = BLIS_ARCH_NEOVERSEN1;
+		#endif
 		#ifdef BLIS_FAMILY_ARMSVE
 		id = BLIS_ARCH_ARMSVE;
 		#endif
@@ -270,6 +273,7 @@ static char* config_name[ BLIS_NUM_ARCHS ] =
     "piledriver",
     "bulldozer",
 
+    "neoversen1",
     "armsve",
     "a64fx",
     "firestorm",

frame/base/bli_cpuid.c

@@ -1127,9 +1127,9 @@ static uint32_t get_coretype
 				case 0xd03: // Cortex A53
 					return BLIS_ARCH_CORTEXA53;
 #endif
-#ifdef BLIS_CONFIG_THUNDERX2
+#ifdef BLIS_CONFIG_NEOVERSEN1
 				case 0xd0c: // Neoverse N1 (and Graviton G2?)
-					return BLIS_ARCH_THUNDERX2; //placeholder for N1
+					return BLIS_ARCH_NEOVERSEN1; //placeholder for N1
 #endif
 			}
 			break;

frame/base/bli_cpuid.h

@@ -70,6 +70,7 @@ bool bli_cpuid_is_piledriver( uint32_t family, uint32_t model, uint32_t features
 bool bli_cpuid_is_bulldozer( uint32_t family, uint32_t model, uint32_t features );
 
 // ARM
+bool bli_cpuid_is_neoversen1( uint32_t model, uint32_t part, uint32_t features );
 bool bli_cpuid_is_thunderx2( uint32_t model, uint32_t part, uint32_t features );
 bool bli_cpuid_is_cortexa57( uint32_t model, uint32_t part, uint32_t features );
 bool bli_cpuid_is_cortexa53( uint32_t model, uint32_t part, uint32_t features );

frame/base/bli_gks.c

@@ -134,6 +134,11 @@ void bli_gks_init( void )
 #endif
 
 		// ARM architectures
+#ifdef BLIS_CONFIG_NEOVERSEN1
+		bli_gks_register_cntx( BLIS_ARCH_NEOVERSEN1,   bli_cntx_init_neoversen1,
+		                                              bli_cntx_init_neoversen1_ref,
+		                                              bli_cntx_init_neoversen1_ind );
+#endif
 #ifdef BLIS_CONFIG_A64FX
 		bli_gks_register_cntx( BLIS_ARCH_A64FX,   bli_cntx_init_a64fx,
 		                                              bli_cntx_init_a64fx_ref,

frame/include/bli_arch_config.h

@@ -88,6 +88,9 @@ CNTX_INIT_PROTS( bulldozer )
 
 // -- ARM architectures --
 
+#ifdef BLIS_CONFIG_NEOVERSEN1
+CNTX_INIT_PROTS( neoversen1 )
+#endif
 #ifdef BLIS_CONFIG_ARMSVE
 CNTX_INIT_PROTS( armsve )
 #endif
@@ -212,6 +215,9 @@ CNTX_INIT_PROTS( generic )
 
 // -- ARM architectures --
 
+#ifdef BLIS_FAMILY_NEOVERSEN1
+#include "bli_family_neoversen1.h"
+#endif
 #ifdef BLIS_FAMILY_ARMSVE
 #include "bli_family_armsve.h"
 #endif

frame/include/bli_type_defs.h

@@ -948,6 +948,7 @@ typedef enum
 	BLIS_ARCH_BULLDOZER,
 
 	// ARM
+	BLIS_ARCH_NEOVERSEN1,
 	BLIS_ARCH_ARMSVE,
 	BLIS_ARCH_A64FX,
 	BLIS_ARCH_FIRESTORM,