Merge pull request #3518 from martin-frbg/elbrus

Add basic support for the (mostly x86_64 compatible) Elbrus E2000 architecture

Author: martin-frbg

CONTRIBUTORS.md

@@ -204,3 +204,6 @@ In chronological order:
   * [2021-11-12] SVE kernels for SGEMM, STRMM and corresponding SVE copy functions
   * [2022-01-06] SVE kernels for CGEMM, ZGEMM, CTRMM, ZTRMM and corresponding SVE copy functions
   * [2022-01-18] SVE kernels and copy functions for TRSM
+
+* Ilya Kurdyukov <https://github.com/ilyakurdyukov>
+  * [2021-02-21] Add basic support for the Elbrus E2000 architecture

Makefile.e2k

@@ -0,0 +1 @@
+COPT	= -Wall -O2 # -DGEMMTEST

TargetList.txt

@@ -115,3 +115,7 @@ C910V
 
 11.LOONGARCH64:
 LOONGSON3R5
+
+12. Elbrus E2000:
+E2K
+

c_check

@@ -84,6 +84,7 @@ $os = Haiku           if ($data =~ /OS_HAIKU/);
 
 $architecture = x86          if ($data =~ /ARCH_X86/);
 $architecture = x86_64       if ($data =~ /ARCH_X86_64/);
+$architecture = e2k          if ($data =~ /ARCH_E2K/);
 $architecture = power        if ($data =~ /ARCH_POWER/);
 $architecture = mips         if ($data =~ /ARCH_MIPS/);
 $architecture = mips64       if ($data =~ /ARCH_MIPS64/);
@@ -124,6 +125,11 @@ if ($architecture eq "zarch") {
     $binary = 64;
 }
 
+if ($architecture eq "e2k") {
+    $defined = 1;
+    $binary = 64;
+}
+
 if ($architecture eq "alpha") {
     $defined = 1;
     $binary = 64;
@@ -223,6 +229,7 @@ if (($architecture eq "mips") || ($architecture eq "mips64")) {
 
 $architecture = x86          if ($data =~ /ARCH_X86/);
 $architecture = x86_64       if ($data =~ /ARCH_X86_64/);
+$architecture = e2k          if ($data =~ /ARCH_E2K/);
 $architecture = power        if ($data =~ /ARCH_POWER/);
 $architecture = mips         if ($data =~ /ARCH_MIPS/);
 $architecture = mips64       if ($data =~ /ARCH_MIPS64/);

common.h

@@ -474,6 +474,10 @@ please https://github.com/xianyi/OpenBLAS/issues/246
 #include "common_loongarch64.h"
 #endif
 
+#ifdef ARCH_E2K
+#include "common_e2k.h"
+#endif
+
 #ifndef ASSEMBLER
 #ifdef OS_WINDOWSSTORE
 typedef char env_var_t[MAX_PATH];

common_e2k.h

@@ -0,0 +1,64 @@
+/*****************************************************************************
+Copyright (c) 2011-2016, The OpenBLAS Project
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+   1. Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+   2. 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.
+   3. Neither the name of the OpenBLAS project 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 OWNER 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 COMMON_E2K
+#define COMMON_E2K
+
+#ifdef ASSEMBLER
+#error
+#endif
+
+#define MB do { __asm__ __volatile__("": : :"memory"); } while (0)
+#define WMB do { __asm__ __volatile__("": : :"memory"); } while (0)
+#define RMB
+
+#define INLINE __attribute__((__always_inline__)) inline
+
+static inline int blas_quickdivide(blasint x, blasint y) {
+  return x / y;
+}
+
+#ifndef PAGESIZE
+#define PAGESIZE	( 4 << 10)
+#endif
+#define HUGE_PAGESIZE	( 2 << 20)
+
+#ifndef BUFFERSIZE
+#define BUFFER_SIZE	(32 << 20)
+#else
+#define BUFFER_SIZE	(32 << BUFFERSIZE)
+#endif
+
+#define SEEK_ADDRESS
+
+#endif
+

common_macro.h

@@ -2611,7 +2611,7 @@
 
 #ifndef ASSEMBLER
 #if defined(ARCH_X86) || defined(ARCH_X86_64) || defined(ARCH_IA64) || defined(ARCH_MIPS64) || defined(ARCH_ARM64)\
-|| defined(ARCH_LOONGARCH64)
+|| defined(ARCH_LOONGARCH64) || defined(ARCH_E2K)
 extern BLASLONG gemm_offset_a;
 extern BLASLONG gemm_offset_b;
 extern BLASLONG sbgemm_p;

ctest.c

@@ -165,3 +165,7 @@ ARCH_LOONGARCH64
 HAVE_C11
 #endif
 
+#if defined(__e2k__)
+ARCH_E2K
+#endif
+

getarch.c

@@ -1536,6 +1536,17 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #endif
 
 
+#if defined(FORCE_E2K) || defined(__e2k__)
+#define FORCE
+#define ARCHITECTURE "E2K"
+#define ARCHCONFIG   "-DGENERIC " \
+		     "-DL1_DATA_SIZE=16384 -DL1_DATA_LINESIZE=64 " \
+		     "-DL2_SIZE=524288 -DL2_LINESIZE=64 " \
+		     "-DDTB_DEFAULT_ENTRIES=64 -DDTB_SIZE=4096 -DL2_ASSOCIATIVE=8 "
+#define LIBNAME   "generic"
+#define CORENAME  "generic"
+#endif
+
 #ifndef FORCE
 
 #ifdef USER_TARGET

kernel/Makefile.L3

@@ -617,6 +617,10 @@ $(KDIR)zgemm_beta$(TSUFFIX).$(SUFFIX) : $(KERNELDIR)/$(ZGEMM_BETA)
 $(KDIR)xgemm_beta$(TSUFFIX).$(SUFFIX) : $(KERNELDIR)/$(XGEMM_BETA)
 	$(CC) $(CFLAGS) -c -DXDOUBLE -DCOMPLEX $< -o $@
 
+ifeq ($(ARCH), E2K)
+USE_TRMM = 1
+endif
+
 
 ifeq ($(BUILD_BFLOAT16), 1)