From d537de7deffa6036dab573ff174b7f8c8e470437 Mon Sep 17 00:00:00 2001
From: Henry Cook <hcook@eecs.berkeley.edu>
Date: Thu, 6 Nov 2014 17:24:39 -0800
Subject: Clean up canonical mt benchmarks and reorganize extra versions in
 /mt. All versions support support at least 1/2/4 threads.

---
 mt/bm_matmul.c | 205 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 205 insertions(+)
 create mode 100644 mt/bm_matmul.c

(limited to 'mt/bm_matmul.c')

diff --git a/mt/bm_matmul.c b/mt/bm_matmul.c
new file mode 100644
index 0000000..ae225d4
--- /dev/null
+++ b/mt/bm_matmul.c
@@ -0,0 +1,205 @@
+#include "stdlib.h"
+
+#include "util.h"
+
+#include "dataset.h"
+void __attribute__((noinline)) matmul(const int coreid, const int ncores, const int lda,  const data_t A[], const data_t B[], data_t C[] )
+{
+   
+   // ***************************** //
+   // **** ADD YOUR CODE HERE ***** //
+   // ***************************** //
+   //
+   // feel free to make a separate function for MI and MSI versions.
+    int i, j, k;
+    int space=lda/ncores;
+    int max= space*coreid+space;
+	data_t temp=0;
+
+	data_t temp1=0;
+	data_t temp2=0;
+	data_t temp3=0;
+	data_t temp4=0;
+	
+	data_t temp_1=0;
+
+	data_t temp1_1=0;
+	data_t temp2_1=0;
+	data_t temp3_1=0;
+	data_t temp4_1=0;
+	
+	data_t temp_2=0;
+
+	data_t temp1_2=0;
+	data_t temp2_2=0;
+	data_t temp3_2=0;
+	data_t temp4_2=0;
+	
+	data_t temp_3=0;
+
+	data_t temp1_3=0;
+	data_t temp2_3=0;
+	data_t temp3_3=0;
+	data_t temp4_3=0;
+
+	if (coreid!=ncores-1){
+	//main loop
+		for (i=space*coreid;i<max/4*4;i+=4)
+		{
+			for(j=0;j<lda;j+=4)
+			{
+				temp1=C[j+i*lda];
+				temp2=C[j+1+i*lda];
+				temp3=C[j+2+i*lda];
+				temp4=C[j+3+i*lda];
+		
+				temp1_1=C[j+(i+1)*lda];
+				temp2_1=C[j+1+(i+1)*lda];
+				temp3_1=C[j+2+(i+1)*lda];
+				temp4_1=C[j+3+(i+1)*lda];
+				
+				temp1_2=C[j+(i+2)*lda];
+				temp2_2=C[j+1+(i+2)*lda];
+				temp3_2=C[j+2+(i+2)*lda];
+				temp4_2=C[j+3+(i+2)*lda];
+				
+				temp1_3=C[j+(i+3)*lda];
+				temp2_3=C[j+1+(i+3)*lda];
+				temp3_3=C[j+2+(i+3)*lda];
+				temp4_3=C[j+3+(i+3)*lda];
+				for (k=0;k<lda;k++)
+				{
+					temp=A[k+i*lda];
+					temp1+=temp*B[j+k*lda];
+					temp2+=temp*B[j+1+k*lda];
+					temp3+=temp*B[j+2+k*lda];
+					temp4+=temp*B[j+3+k*lda];
+					
+					temp_1=A[k+(i+1)*lda];
+					temp1_1+=temp_1*B[j+k*lda];
+					temp2_1+=temp_1*B[j+1+k*lda];
+					temp3_1+=temp_1*B[j+2+k*lda];
+					temp4_1+=temp_1*B[j+3+k*lda];
+					
+					temp_2=A[k+(i+2)*lda];
+					temp1_2+=temp_2*B[j+k*lda];
+					temp2_2+=temp_2*B[j+1+k*lda];
+					temp3_2+=temp_2*B[j+2+k*lda];
+					temp4_2+=temp_2*B[j+3+k*lda];
+					
+					temp_3=A[k+(i+3)*lda];
+					temp1_3+=temp_3*B[j+k*lda];
+					temp2_3+=temp_3*B[j+1+k*lda];
+					temp3_3+=temp_3*B[j+2+k*lda];
+					temp4_3+=temp_3*B[j+3+k*lda];
+
+				}
+				C[j+i*lda]=temp1;
+				C[j+1+i*lda]=temp2;
+				C[j+2+i*lda]=temp3;
+				C[j+3+i*lda]=temp4;
+				
+				C[j+(i+1)*lda]=temp1_1;
+				C[j+1+(i+1)*lda]=temp2_1;
+				C[j+2+(i+1)*lda]=temp3_1;
+				C[j+3+(i+1)*lda]=temp4_1;
+				
+				C[j+(i+2)*lda]=temp1_2;
+				C[j+1+(i+2)*lda]=temp2_2;
+				C[j+2+(i+2)*lda]=temp3_2;
+				C[j+3+(i+2)*lda]=temp4_2;
+				
+				C[j+(i+3)*lda]=temp1_3;
+				C[j+1+(i+3)*lda]=temp2_3;
+				C[j+2+(i+3)*lda]=temp3_3;
+				C[j+3+(i+3)*lda]=temp4_3;
+
+			}
+			
+		}
+		
+	
+		
+	}
+	
+	//second core
+	else{
+		for (i=space*coreid;i<lda/4*4;i+=4)
+		{
+			for(j=0;j<lda;j+=4)
+			{
+				temp1=C[j+i*lda];
+				temp2=C[j+1+i*lda];
+				temp3=C[j+2+i*lda];
+				temp4=C[j+3+i*lda];
+		
+				temp1_1=C[j+(i+1)*lda];
+				temp2_1=C[j+1+(i+1)*lda];
+				temp3_1=C[j+2+(i+1)*lda];
+				temp4_1=C[j+3+(i+1)*lda];
+				
+				temp1_2=C[j+(i+2)*lda];
+				temp2_2=C[j+1+(i+2)*lda];
+				temp3_2=C[j+2+(i+2)*lda];
+				temp4_2=C[j+3+(i+2)*lda];
+				
+				temp1_3=C[j+(i+3)*lda];
+				temp2_3=C[j+1+(i+3)*lda];
+				temp3_3=C[j+2+(i+3)*lda];
+				temp4_3=C[j+3+(i+3)*lda];
+				for (k=0;k<lda;k++)
+				{
+					temp=A[k+i*lda];
+					temp1+=temp*B[j+k*lda];
+					temp2+=temp*B[j+1+k*lda];
+					temp3+=temp*B[j+2+k*lda];
+					temp4+=temp*B[j+3+k*lda];
+					
+					temp_1=A[k+(i+1)*lda];
+					temp1_1+=temp_1*B[j+k*lda];
+					temp2_1+=temp_1*B[j+1+k*lda];
+					temp3_1+=temp_1*B[j+2+k*lda];
+					temp4_1+=temp_1*B[j+3+k*lda];
+					
+					temp_2=A[k+(i+2)*lda];
+					temp1_2+=temp_2*B[j+k*lda];
+					temp2_2+=temp_2*B[j+1+k*lda];
+					temp3_2+=temp_2*B[j+2+k*lda];
+					temp4_2+=temp_2*B[j+3+k*lda];
+					
+					temp_3=A[k+(i+3)*lda];
+					temp1_3+=temp_3*B[j+k*lda];
+					temp2_3+=temp_3*B[j+1+k*lda];
+					temp3_3+=temp_3*B[j+2+k*lda];
+					temp4_3+=temp_3*B[j+3+k*lda];
+
+				}
+				C[j+i*lda]=temp1;
+				C[j+1+i*lda]=temp2;
+				C[j+2+i*lda]=temp3;
+				C[j+3+i*lda]=temp4;
+				
+				C[j+(i+1)*lda]=temp1_1;
+				C[j+1+(i+1)*lda]=temp2_1;
+				C[j+2+(i+1)*lda]=temp3_1;
+				C[j+3+(i+1)*lda]=temp4_1;
+				
+				C[j+(i+2)*lda]=temp1_2;
+				C[j+1+(i+2)*lda]=temp2_2;
+				C[j+2+(i+2)*lda]=temp3_2;
+				C[j+3+(i+2)*lda]=temp4_2;
+				
+				C[j+(i+3)*lda]=temp1_3;
+				C[j+1+(i+3)*lda]=temp2_3;
+				C[j+2+(i+3)*lda]=temp3_3;
+				C[j+3+(i+3)*lda]=temp4_3;
+
+			}
+			
+		}
+		
+	
+	}
+	
+ 
+}
-- 
cgit v1.1