public int ArrayCompositeSumRewritten()
{
var sum = ExtendedLinq.Range(0, ArraySource.Length / 10, 10)
.Sum(x => ArraySource.Skip(x).Take(10).Sum());
sum += ArraySource.Skip(ArraySource.Length / 10 * 10).Sum();
return(sum);
}
public int ArraySIMDSum()
{
var simdLength = Vector <int> .Count;
var vectorSum = ExtendedLinq.Range(0, ArraySource.Length / simdLength, simdLength)
.Aggregate(Vector <int> .Zero, (x, y) => Vector.Add(x, new Vector <int>(ArraySource, y)));
return(Enumerable.Range(0, simdLength).Sum(i => vectorSum[i])
+ ArraySource.Skip(ArraySource.Length / simdLength * simdLength).Sum());
}
public int ArraySIMDSumRewritten()
{
var simdLength = Vector <int> .Count;
Vector <int> vsum = Vector <int> .Zero;
ExtendedLinq.Range(0, ArraySource.Length / simdLength, simdLength)
.ForEach(x => vsum = Vector.Add(vsum, new Vector <int>(ArraySource, x)));
return(Enumerable.Range(0, simdLength).Sum(i => vsum[i])
+ ArraySource.Skip(ArraySource.Length / simdLength * simdLength).Sum());
}