added optimized dsymv kernels for sandybridge

kernel/x86_64/KERNEL.SANDYBRIDGE

@@ -8,6 +8,9 @@ DDOTKERNEL = ddot.c
 CDOTKERNEL = cdot.c
 ZDOTKERNEL = zdot.c
 
+DSYMV_L_KERNEL = dsymv_L.c
+DSYMV_U_KERNEL = dsymv_U.c
+
 
 SAXPYKERNEL = saxpy.c
 DAXPYKERNEL = daxpy.c

kernel/x86_64/dsymv_L.c

@@ -32,6 +32,8 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "dsymv_L_microk_bulldozer-2.c"
 #elif defined(HASWELL)
 #include "dsymv_L_microk_haswell-2.c"
+#elif defined(SANDYBRIDGE)
+#include "dsymv_L_microk_sandy-2.c"
 #elif defined(NEHALEM)
 #include "dsymv_L_microk_nehalem-2.c"
 #endif

kernel/x86_64/dsymv_L_microk_sandy-2.c

@@ -0,0 +1,138 @@
+/***************************************************************************
+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_4x4 1
+static void dsymv_kernel_4x4( BLASLONG from, BLASLONG to, FLOAT **a, FLOAT *x, FLOAT *y, FLOAT *temp1, FLOAT *temp2) __attribute__ ((noinline));
+
+static void dsymv_kernel_4x4(BLASLONG from, BLASLONG to, FLOAT **a, FLOAT *x, FLOAT *y, FLOAT *temp1, FLOAT *temp2)
+{
+
+
+	__asm__  __volatile__
+	(
+	"vzeroupper				     \n\t"
+	"vxorpd		%%ymm0 , %%ymm0 , %%ymm0     \n\t"	// temp2[0]
+	"vxorpd		%%ymm1 , %%ymm1 , %%ymm1     \n\t"	// temp2[1]
+	"vxorpd		%%ymm2 , %%ymm2 , %%ymm2     \n\t"	// temp2[2]
+	"vxorpd		%%ymm3 , %%ymm3 , %%ymm3     \n\t"	// temp2[3]
+	"vbroadcastsd   (%8),    %%ymm4	             \n\t"	// temp1[0]
+	"vbroadcastsd  8(%8),    %%ymm5	             \n\t"	// temp1[1]
+	"vbroadcastsd 16(%8),    %%ymm6	             \n\t"	// temp1[1]
+	"vbroadcastsd 24(%8),    %%ymm7	             \n\t"	// temp1[1]
+
+	".align 16				     \n\t"
+	"1:				     \n\t"
+
+	"vmovups	(%3,%0,8), %%ymm9	           \n\t"  // 2 * y
+	"vmovups	(%2,%0,8), %%ymm8	           \n\t"  // 2 * x
+
+	"vmovups	(%4,%0,8), %%ymm12	           \n\t"  // 2 * a
+	"vmovups	(%5,%0,8), %%ymm13	           \n\t"  // 2 * a
+	"vmovups	(%6,%0,8), %%ymm14	           \n\t"  // 2 * a
+	"vmovups	(%7,%0,8), %%ymm15	           \n\t"  // 2 * a
+
+	"vmulpd		%%ymm4, %%ymm12, %%ymm10	   \n\t"
+	"vaddpd		%%ymm9, %%ymm10, %%ymm9            \n\t"
+	"vmulpd		%%ymm8, %%ymm12, %%ymm11	   \n\t"
+	"vaddpd		%%ymm0, %%ymm11, %%ymm0            \n\t"
+
+	"vmulpd		%%ymm5, %%ymm13, %%ymm10	   \n\t"
+	"vaddpd		%%ymm9, %%ymm10, %%ymm9            \n\t"
+	"vmulpd		%%ymm8, %%ymm13, %%ymm11	   \n\t"
+	"vaddpd		%%ymm1, %%ymm11, %%ymm1            \n\t"
+
+	"vmulpd		%%ymm6, %%ymm14, %%ymm10	   \n\t"
+	"vaddpd		%%ymm9, %%ymm10, %%ymm9            \n\t"
+	"vmulpd		%%ymm8, %%ymm14, %%ymm11	   \n\t"
+	"vaddpd		%%ymm2, %%ymm11, %%ymm2            \n\t"
+
+	"vmulpd		%%ymm7, %%ymm15, %%ymm10	   \n\t"
+	"vaddpd		%%ymm9, %%ymm10, %%ymm9            \n\t"
+	"vmulpd		%%ymm8, %%ymm15, %%ymm11	   \n\t"
+	"vaddpd		%%ymm3, %%ymm11, %%ymm3            \n\t"
+
+	"addq		$4 , %0	  	 	      \n\t"
+
+	"vmovups	%%ymm9 ,  -32(%3,%0,8)		   \n\t"
+
+	"cmpq		%0 , %1			      \n\t"
+	"jnz		1b		      \n\t"
+
+	"vmovsd		  (%9), %%xmm4		      \n\t"
+	"vmovsd		 8(%9), %%xmm5		      \n\t"
+	"vmovsd		16(%9), %%xmm6		      \n\t"
+	"vmovsd		24(%9), %%xmm7		      \n\t"
+
+	"vextractf128 $0x01, %%ymm0 , %%xmm12	      \n\t"
+	"vextractf128 $0x01, %%ymm1 , %%xmm13	      \n\t"
+	"vextractf128 $0x01, %%ymm2 , %%xmm14	      \n\t"
+	"vextractf128 $0x01, %%ymm3 , %%xmm15	      \n\t"
+
+	"vaddpd	        %%xmm0, %%xmm12, %%xmm0	      \n\t"
+	"vaddpd	        %%xmm1, %%xmm13, %%xmm1	      \n\t"
+	"vaddpd	        %%xmm2, %%xmm14, %%xmm2	      \n\t"
+	"vaddpd	        %%xmm3, %%xmm15, %%xmm3	      \n\t"
+
+	"vhaddpd        %%xmm0, %%xmm0, %%xmm0  \n\t"
+	"vhaddpd        %%xmm1, %%xmm1, %%xmm1  \n\t"
+	"vhaddpd        %%xmm2, %%xmm2, %%xmm2  \n\t"
+	"vhaddpd        %%xmm3, %%xmm3, %%xmm3  \n\t"
+
+	"vaddsd		%%xmm4, %%xmm0, %%xmm0  \n\t"
+	"vaddsd		%%xmm5, %%xmm1, %%xmm1  \n\t"
+	"vaddsd		%%xmm6, %%xmm2, %%xmm2  \n\t"
+	"vaddsd		%%xmm7, %%xmm3, %%xmm3  \n\t"
+
+	"vmovsd         %%xmm0 ,  (%9)		\n\t"	// save temp2
+	"vmovsd         %%xmm1 , 8(%9)		\n\t"	// save temp2
+	"vmovsd         %%xmm2 ,16(%9)		\n\t"	// save temp2
+	"vmovsd         %%xmm3 ,24(%9)		\n\t"	// save temp2
+	"vzeroupper				     \n\t"
+
+	:
+        : 
+          "r" (from),	// 0	
+	  "r" (to),  	// 1
+          "r" (x),      // 2
+          "r" (y),      // 3
+          "r" (a[0]),	// 4
+          "r" (a[1]),	// 5
+          "r" (a[2]),	// 6
+          "r" (a[3]),	// 8
+          "r" (temp1),  // 8
+          "r" (temp2)   // 9
+	: "cc", 
+	  "%xmm0", "%xmm1", "%xmm2", "%xmm3", 
+	  "%xmm4", "%xmm5", "%xmm6", "%xmm7", 
+	  "%xmm8", "%xmm9", "%xmm10", "%xmm11", 
+	  "%xmm12", "%xmm13", "%xmm14", "%xmm15",
+	  "memory"
+	);
+
+} 
+
+

kernel/x86_64/dsymv_U.c

@@ -33,6 +33,8 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "dsymv_U_microk_bulldozer-2.c"
 #elif defined(HASWELL)
 #include "dsymv_U_microk_haswell-2.c"
+#elif defined(SANDYBRIDGE)
+#include "dsymv_U_microk_sandy-2.c"
 #elif defined(NEHALEM)
 #include "dsymv_U_microk_nehalem-2.c"
 #endif

kernel/x86_64/dsymv_U_microk_sandy-2.c

@@ -0,0 +1,140 @@
+/***************************************************************************
+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_4x4 1
+static void dsymv_kernel_4x4(BLASLONG n, FLOAT *a0, FLOAT *a1, FLOAT *a2, FLOAT *a3, FLOAT *x, FLOAT *y, FLOAT *temp1, FLOAT *temp2) __attribute__ ((noinline));
+
+static void dsymv_kernel_4x4(BLASLONG n, FLOAT *a0, FLOAT *a1, FLOAT *a2, FLOAT *a3, FLOAT *x, FLOAT *y, FLOAT *temp1, FLOAT *temp2)
+{
+
+	BLASLONG register i = 0;
+
+	__asm__  __volatile__
+	(
+	"vzeroupper				     \n\t"
+	"vxorpd		%%ymm0 , %%ymm0 , %%ymm0     \n\t"	// temp2[0]
+	"vxorpd		%%ymm1 , %%ymm1 , %%ymm1     \n\t"	// temp2[1]
+	"vxorpd		%%ymm2 , %%ymm2 , %%ymm2     \n\t"	// temp2[2]
+	"vxorpd		%%ymm3 , %%ymm3 , %%ymm3     \n\t"	// temp2[3]
+	"vbroadcastsd   (%8),    %%ymm4	             \n\t"	// temp1[0]
+	"vbroadcastsd  8(%8),    %%ymm5	             \n\t"	// temp1[1]
+	"vbroadcastsd 16(%8),    %%ymm6	             \n\t"	// temp1[1]
+	"vbroadcastsd 24(%8),    %%ymm7	             \n\t"	// temp1[1]
+	"xorq           %0,%0                        \n\t"
+
+	".align 16				     \n\t"
+	"1:				     \n\t"
+
+	"vmovups	(%3,%0,8), %%ymm9	           \n\t"  // 2 * y
+	"vmovups	(%2,%0,8), %%ymm8	           \n\t"  // 2 * x
+
+	"vmovups	(%4,%0,8), %%ymm12	           \n\t"  // 2 * a
+	"vmovups	(%5,%0,8), %%ymm13	           \n\t"  // 2 * a
+	"vmovups	(%6,%0,8), %%ymm14	           \n\t"  // 2 * a
+	"vmovups	(%7,%0,8), %%ymm15	           \n\t"  // 2 * a
+
+        "vmulpd         %%ymm4, %%ymm12, %%ymm10           \n\t"
+        "vaddpd         %%ymm9, %%ymm10, %%ymm9            \n\t"
+        "vmulpd         %%ymm8, %%ymm12, %%ymm11           \n\t"
+        "vaddpd         %%ymm0, %%ymm11, %%ymm0            \n\t"
+
+        "vmulpd         %%ymm5, %%ymm13, %%ymm10           \n\t"
+        "vaddpd         %%ymm9, %%ymm10, %%ymm9            \n\t"
+        "vmulpd         %%ymm8, %%ymm13, %%ymm11           \n\t"
+        "vaddpd         %%ymm1, %%ymm11, %%ymm1            \n\t"
+
+        "vmulpd         %%ymm6, %%ymm14, %%ymm10           \n\t"
+        "vaddpd         %%ymm9, %%ymm10, %%ymm9            \n\t"
+        "vmulpd         %%ymm8, %%ymm14, %%ymm11           \n\t"
+        "vaddpd         %%ymm2, %%ymm11, %%ymm2            \n\t"
+
+        "vmulpd         %%ymm7, %%ymm15, %%ymm10           \n\t"
+        "vaddpd         %%ymm9, %%ymm10, %%ymm9            \n\t"
+        "vmulpd         %%ymm8, %%ymm15, %%ymm11           \n\t"
+        "vaddpd         %%ymm3, %%ymm11, %%ymm3            \n\t"
+
+	"addq		$4 , %0	  	 	      \n\t"
+	"subq		$4 , %1	  	 	      \n\t"
+
+	"vmovups	%%ymm9 ,  -32(%3,%0,8)		   \n\t"
+
+	"jnz		1b		      \n\t"
+
+	"vmovsd		  (%9), %%xmm4		      \n\t"
+	"vmovsd		 8(%9), %%xmm5		      \n\t"
+	"vmovsd		16(%9), %%xmm6		      \n\t"
+	"vmovsd		24(%9), %%xmm7		      \n\t"
+
+	"vextractf128 $0x01, %%ymm0 , %%xmm12	      \n\t"
+	"vextractf128 $0x01, %%ymm1 , %%xmm13	      \n\t"
+	"vextractf128 $0x01, %%ymm2 , %%xmm14	      \n\t"
+	"vextractf128 $0x01, %%ymm3 , %%xmm15	      \n\t"
+
+	"vaddpd	        %%xmm0, %%xmm12, %%xmm0	      \n\t"
+	"vaddpd	        %%xmm1, %%xmm13, %%xmm1	      \n\t"
+	"vaddpd	        %%xmm2, %%xmm14, %%xmm2	      \n\t"
+	"vaddpd	        %%xmm3, %%xmm15, %%xmm3	      \n\t"
+
+	"vhaddpd        %%xmm0, %%xmm0, %%xmm0  \n\t"
+	"vhaddpd        %%xmm1, %%xmm1, %%xmm1  \n\t"
+	"vhaddpd        %%xmm2, %%xmm2, %%xmm2  \n\t"
+	"vhaddpd        %%xmm3, %%xmm3, %%xmm3  \n\t"
+
+	"vaddsd		%%xmm4, %%xmm0, %%xmm0  \n\t"
+	"vaddsd		%%xmm5, %%xmm1, %%xmm1  \n\t"
+	"vaddsd		%%xmm6, %%xmm2, %%xmm2  \n\t"
+	"vaddsd		%%xmm7, %%xmm3, %%xmm3  \n\t"
+
+	"vmovsd         %%xmm0 ,  (%9)		\n\t"	// save temp2
+	"vmovsd         %%xmm1 , 8(%9)		\n\t"	// save temp2
+	"vmovsd         %%xmm2 ,16(%9)		\n\t"	// save temp2
+	"vmovsd         %%xmm3 ,24(%9)		\n\t"	// save temp2
+	"vzeroupper				     \n\t"
+
+	:
+        : 
+          "r" (i),	// 0	
+	  "r" (n),  	// 1
+          "r" (x),      // 2
+          "r" (y),      // 3
+          "r" (a0),	// 4
+          "r" (a1),	// 5
+          "r" (a2),	// 6
+          "r" (a3),	// 8
+          "r" (temp1),  // 8
+          "r" (temp2)   // 9
+	: "cc", 
+	  "%xmm0", "%xmm1", "%xmm2", "%xmm3", 
+	  "%xmm4", "%xmm5", "%xmm6", "%xmm7", 
+	  "%xmm8", "%xmm9", "%xmm10", "%xmm11", 
+	  "%xmm12", "%xmm13", "%xmm14", "%xmm15",
+	  "memory"
+	);
+
+} 
+
+