added optimized saxpy- and daxpy-kernel for sandybridge

kernel/x86_64/KERNEL.SANDYBRIDGE

@@ -6,6 +6,9 @@ ZGEMVNKERNEL = zgemv_n_4.c
 SDOTKERNEL = sdot.c
 DDOTKERNEL = ddot.c
 
+SAXPYKERNEL = saxpy.c
+DAXPYKERNEL = daxpy.c
+
 SGEMMKERNEL    =  sgemm_kernel_16x4_sandy.S
 SGEMMINCOPY    =  ../generic/gemm_ncopy_16.c
 SGEMMITCOPY    =  ../generic/gemm_tcopy_16.c

kernel/x86_64/daxpy.c

@@ -35,6 +35,8 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "daxpy_microk_bulldozer-2.c"
 #elif defined(HASWELL)
 #include "daxpy_microk_haswell-2.c"
+#elif defined(SANDYBRIDGE)
+#include "daxpy_microk_sandy-2.c"
 #endif
 
 
@@ -73,7 +75,11 @@ int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT da, FLOAT *x, BLAS
 	if ( (inc_x == 1) && (inc_y == 1) )
 	{
 
+#if defined(SANDYBRIDGE)
+		int n1 = n & -32;
+#else
 		int n1 = n & -16;
+#endif
 
 		if ( n1 )
 			daxpy_kernel_8(n1, x, y , &da );

kernel/x86_64/daxpy_microk_sandy-2.c

@@ -0,0 +1,100 @@
+/***************************************************************************
+Copyright (c) 2014, 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 OPENBLAS PROJECT 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.
+*****************************************************************************/
+
+#define HAVE_KERNEL_8 1
+static void daxpy_kernel_8( BLASLONG n, FLOAT *x, FLOAT *y , FLOAT *alpha) __attribute__ ((noinline));
+
+static void daxpy_kernel_8( BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *alpha)
+{
+
+
+	BLASLONG register i = 0;
+
+	__asm__  __volatile__
+	(
+	"vbroadcastsd		(%4), %%ymm0		    \n\t"  // alpha	
+
+	".align 16				            \n\t"
+	"1:				            \n\t"
+	"vmovups	  (%3,%0,8), %%ymm8         \n\t"
+	"vmovups	32(%3,%0,8), %%ymm9         \n\t"
+	"vmovups	64(%3,%0,8), %%ymm10        \n\t"
+	"vmovups	96(%3,%0,8), %%ymm11        \n\t"
+	"vmovups       128(%3,%0,8), %%ymm12        \n\t"
+	"vmovups       160(%3,%0,8), %%ymm13        \n\t"
+	"vmovups       192(%3,%0,8), %%ymm14        \n\t"
+	"vmovups       224(%3,%0,8), %%ymm15        \n\t"
+
+	"vmulpd		(%2,%0,8), %%ymm0, %%ymm1		\n\t"
+	"vmulpd	      32(%2,%0,8), %%ymm0, %%ymm2		\n\t"
+	"vaddpd		%%ymm8 , %%ymm1, %%ymm8		     \n\t"
+	"vmulpd	      64(%2,%0,8), %%ymm0, %%ymm3		\n\t"
+	"vaddpd		%%ymm9 , %%ymm2, %%ymm9		     \n\t"
+	"vmulpd	      96(%2,%0,8), %%ymm0, %%ymm4		\n\t"
+	"vaddpd		%%ymm10, %%ymm3, %%ymm10	     \n\t"
+	"vmulpd	     128(%2,%0,8), %%ymm0, %%ymm5		\n\t"
+	"vaddpd		%%ymm11, %%ymm4, %%ymm11	     \n\t"
+	"vmulpd	     160(%2,%0,8), %%ymm0, %%ymm6		\n\t"
+	"vaddpd		%%ymm12, %%ymm5, %%ymm12	     \n\t"
+	"vmulpd	     192(%2,%0,8), %%ymm0, %%ymm7		\n\t"
+	"vmulpd	     224(%2,%0,8), %%ymm0, %%ymm1	     \n\t"
+
+	"vaddpd		%%ymm13, %%ymm6, %%ymm13	     \n\t"
+	"vmovups	%%ymm8 ,   (%3,%0,8)		     \n\t"
+	"vaddpd		%%ymm14, %%ymm7, %%ymm14	     \n\t"
+	"vmovups	%%ymm9 , 32(%3,%0,8)		     \n\t"
+	"vaddpd		%%ymm15, %%ymm1, %%ymm15	     \n\t"
+	"vmovups	%%ymm10, 64(%3,%0,8)		     \n\t"
+	"vmovups	%%ymm11, 96(%3,%0,8)		     \n\t"
+	"vmovups	%%ymm12,128(%3,%0,8)		     \n\t"
+	"vmovups	%%ymm13,160(%3,%0,8)		     \n\t"
+	"vmovups	%%ymm14,192(%3,%0,8)		     \n\t"
+	"vmovups	%%ymm15,224(%3,%0,8)		     \n\t"
+
+	"addq		$32, %0	  	 	             \n\t"
+	"subq	        $32, %1			             \n\t"		
+	"jnz		1b		             \n\t"
+	"vzeroupper				     \n\t"
+
+	:
+        : 
+          "r" (i),	// 0	
+	  "r" (n),  	// 1
+          "r" (x),      // 2
+          "r" (y),      // 3
+          "r" (alpha)   // 4
+	: "cc", 
+	  "%xmm0", "%xmm1", "%xmm2", "%xmm3", 
+	  "%xmm4", "%xmm5", "%xmm6", "%xmm7", 
+	  "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+	  "%xmm12", "%xmm13", "%xmm14", "%xmm15",
+	  "memory"
+	);
+
+} 
+
+

kernel/x86_64/saxpy.c

@@ -33,6 +33,8 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "saxpy_microk_nehalem-2.c"
 #elif defined(HASWELL)
 #include "saxpy_microk_haswell-2.c"
+#elif defined(SANDYBRIDGE)
+#include "saxpy_microk_sandy-2.c"
 #endif
 
 
@@ -71,7 +73,11 @@ int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT da, FLOAT *x, BLAS
 	if ( (inc_x == 1) && (inc_y == 1) )
 	{
 
+#if defined(SANDYBRIDGE)
+		int n1 = n & -64;
+#else
 		int n1 = n & -32;
+#endif
 
 		if ( n1 )
 			saxpy_kernel_16(n1, x, y , &da );

kernel/x86_64/saxpy_microk_sandy-2.c

@@ -0,0 +1,100 @@
+/***************************************************************************
+Copyright (c) 2014, 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 OPENBLAS PROJECT 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.
+*****************************************************************************/
+
+#define HAVE_KERNEL_16 1
+static void saxpy_kernel_16( BLASLONG n, FLOAT *x, FLOAT *y , FLOAT *alpha) __attribute__ ((noinline));
+
+static void saxpy_kernel_16( BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *alpha)
+{
+
+
+	BLASLONG register i = 0;
+
+	__asm__  __volatile__
+	(
+	"vbroadcastss		(%4), %%ymm0		    \n\t"  // alpha	
+
+	".align 16				            \n\t"
+	"1:				            \n\t"
+	"vmovups	  (%3,%0,4), %%ymm8         \n\t"
+	"vmovups	32(%3,%0,4), %%ymm9         \n\t"
+	"vmovups	64(%3,%0,4), %%ymm10        \n\t"
+	"vmovups	96(%3,%0,4), %%ymm11        \n\t"
+	"vmovups       128(%3,%0,4), %%ymm12        \n\t"
+	"vmovups       160(%3,%0,4), %%ymm13        \n\t"
+	"vmovups       192(%3,%0,4), %%ymm14        \n\t"
+	"vmovups       224(%3,%0,4), %%ymm15        \n\t"
+
+	"vmulps		(%2,%0,4), %%ymm0, %%ymm1		\n\t"
+	"vmulps	      32(%2,%0,4), %%ymm0, %%ymm2		\n\t"
+	"vaddps		%%ymm8 , %%ymm1, %%ymm8		     \n\t"
+	"vmulps	      64(%2,%0,4), %%ymm0, %%ymm3		\n\t"
+	"vaddps		%%ymm9 , %%ymm2, %%ymm9		     \n\t"
+	"vmulps	      96(%2,%0,4), %%ymm0, %%ymm4		\n\t"
+	"vaddps		%%ymm10, %%ymm3, %%ymm10	     \n\t"
+	"vmulps	     128(%2,%0,4), %%ymm0, %%ymm5		\n\t"
+	"vaddps		%%ymm11, %%ymm4, %%ymm11	     \n\t"
+	"vmulps	     160(%2,%0,4), %%ymm0, %%ymm6		\n\t"
+	"vaddps		%%ymm12, %%ymm5, %%ymm12	     \n\t"
+	"vmulps	     192(%2,%0,4), %%ymm0, %%ymm7		\n\t"
+	"vmulps	     224(%2,%0,4), %%ymm0, %%ymm1	     \n\t"
+
+	"vaddps		%%ymm13, %%ymm6, %%ymm13	     \n\t"
+	"vmovups	%%ymm8 ,   (%3,%0,4)		     \n\t"
+	"vaddps		%%ymm14, %%ymm7, %%ymm14	     \n\t"
+	"vmovups	%%ymm9 , 32(%3,%0,4)		     \n\t"
+	"vaddps		%%ymm15, %%ymm1, %%ymm15	     \n\t"
+	"vmovups	%%ymm10, 64(%3,%0,4)		     \n\t"
+	"vmovups	%%ymm11, 96(%3,%0,4)		     \n\t"
+	"vmovups	%%ymm12,128(%3,%0,4)		     \n\t"
+	"vmovups	%%ymm13,160(%3,%0,4)		     \n\t"
+	"vmovups	%%ymm14,192(%3,%0,4)		     \n\t"
+	"vmovups	%%ymm15,224(%3,%0,4)		     \n\t"
+
+	"addq		$64, %0	  	 	             \n\t"
+	"subq	        $64, %1			             \n\t"		
+	"jnz		1b		             \n\t"
+	"vzeroupper				     \n\t"
+
+	:
+        : 
+          "r" (i),	// 0	
+	  "r" (n),  	// 1
+          "r" (x),      // 2
+          "r" (y),      // 3
+          "r" (alpha)   // 4
+	: "cc", 
+	  "%xmm0", "%xmm1", "%xmm2", "%xmm3", 
+	  "%xmm4", "%xmm5", "%xmm6", "%xmm7", 
+	  "%xmm8", "%xmm9", "%xmm10", "%xmm11", 
+	  "%xmm12", "%xmm13", "%xmm14", "%xmm15",
+	  "memory"
+	);
+
+} 
+
+