Add instrumented single file version.

util/bwBench.c

@@ -53,7 +53,6 @@
 
 typedef enum benchmark {
     INIT = 0,
-    SUM,
     COPY,
     UPDATE,
     TRIAD,
@@ -70,7 +69,6 @@ typedef struct {
 } benchmarkType;
 
 extern double init(double*, double, int);
-extern double sum(double*, int);
 extern double copy(double*, double*, int);
 extern double update(double*, double, int);
 extern double triad(double*, double*, double*, double, int);
@@ -96,7 +94,6 @@ int main (int argc, char** argv)
 
     benchmarkType benchmarks[NUMBENCH] = {
         {"Init:       ", 1, 0},
-        {"Sum:        ", 1, 1},
         {"Copy:       ", 2, 0},
         {"Update:     ", 2, 1},
         {"Triad:      ", 3, 2},
@@ -140,9 +137,6 @@ int main (int argc, char** argv)
 
     for ( int k=0; k < NTIMES; k++) {
         times[INIT][k]   = init(b, scalar, N);
-        tmp = a[10];
-        times[SUM][k]    = sum(a, N);
-        a[10] = tmp;
         times[COPY][k]   = copy(c, a, N);
         times[UPDATE][k] = update(a, scalar, N);
         times[TRIAD][k]  = triad(a, b, c, scalar, N);
@@ -290,27 +284,6 @@ double init(
     return E-S;
 }
 
-double sum(
-        double * restrict a,
-        int N
-        )
-{
-    double S, E;
-    double sum = 0.0;
-
-    S = getTimeStamp();
-#pragma omp parallel for reduction(+:sum)
-    for (int i=0; i<N; i++) {
-        sum += a[i];
-    }
-    E = getTimeStamp();
-
-    /* make the compiler think this makes actually sense */
-    a[10] = sum;
-
-    return E-S;
-}
-
 double copy(
         double * restrict a,
         double * restrict b,