public LoopUnrollingResults Unroll()
{
var unrolled = new DILOperationSet();
//if (IsClearanceLoop())
//{
// unrolled.Add(new AssignOp(0, 0));
// return new LoopUnrollingResults(unrolled, true);
//}
var withUnrolledNestLoops = new DILOperationSet();
foreach (var instruction in Instructions)
{
if (instruction is LoopOp)
{
var nestedLoop = instruction as LoopOp;
var ur = nestedLoop.Unroll();
if (ur.WasLoopUnrolled)
{
withUnrolledNestLoops.AddRange(ur.UnrolledInstructions);
} else
{
withUnrolledNestLoops.Add(new LoopOp(ur.UnrolledInstructions));
}
}
else
{
withUnrolledNestLoops.Add(instruction);
}
}
if (IsSimple(withUnrolledNestLoops))
{
var walk = new CodeWalker().Walk(withUnrolledNestLoops);
if (walk.Domain.ContainsKey(0) && walk.Domain[0] == -1)
{
foreach (var cell in walk.Domain)
{
if (cell.Key == 0)
{
continue;
}
//// If the scalar value of the multiplication operation is 0,
//// then simply assign 0 to the cell because n * 0 = 0.
//if (cell.Value == 0)
//{
// unrolled.Add(new AssignOp(cell.Key, 0));
//}
//else
//{
unrolled.Add(new MultiplicationMemoryOp(cell.Key, cell.Value));
//}
}
// If it's a simple loop, then the cell position of the loop should always be assigned a 0 since that's when the loop stops.
if (walk.Domain.ContainsKey(0))
{
unrolled.Add(new AssignOp(0, 0));
}
return new LoopUnrollingResults(unrolled, true);
} else
{
return new LoopUnrollingResults(withUnrolledNestLoops, false);
}
}
return new LoopUnrollingResults(withUnrolledNestLoops, false);
}
public LoopUnrollingResults Unroll()
{
var unrolled = new DILOperationSet();
//if (IsClearanceLoop())
//{
// unrolled.Add(new AssignOp(0, 0));
// return new LoopUnrollingResults(unrolled, true);
//}
var withUnrolledNestLoops = new DILOperationSet();
foreach (var instruction in Instructions)
{
if (instruction is LoopOp)
{
var nestedLoop = instruction as LoopOp;
var ur = nestedLoop.Unroll();
if (ur.WasLoopUnrolled)
{
withUnrolledNestLoops.AddRange(ur.UnrolledInstructions);
}
else
{
withUnrolledNestLoops.Add(new LoopOp(ur.UnrolledInstructions));
}
}
else
{
withUnrolledNestLoops.Add(instruction);
}
}
if (IsSimple(withUnrolledNestLoops))
{
var walk = new CodeWalker().Walk(withUnrolledNestLoops);
if (walk.Domain.ContainsKey(0) && walk.Domain[0] == -1)
{
foreach (var cell in walk.Domain)
{
if (cell.Key == 0)
{
continue;
}
//// If the scalar value of the multiplication operation is 0,
//// then simply assign 0 to the cell because n * 0 = 0.
//if (cell.Value == 0)
//{
// unrolled.Add(new AssignOp(cell.Key, 0));
//}
//else
//{
unrolled.Add(new MultiplicationMemoryOp(cell.Key, cell.Value));
//}
}
// If it's a simple loop, then the cell position of the loop should always be assigned a 0 since that's when the loop stops.
if (walk.Domain.ContainsKey(0))
{
unrolled.Add(new AssignOp(0, 0));
}
return(new LoopUnrollingResults(unrolled, true));
}
else
{
return(new LoopUnrollingResults(withUnrolledNestLoops, false));
}
}
return(new LoopUnrollingResults(withUnrolledNestLoops, false));
}
