public SortNet_CALF_FBFLY(SortNode.Rank r, Router router)
{
// 4x4 sorting network
nodes = new SortNode[12];
// Domain 1 (x-axis) goes 0. Domain 2 (y-axis) goes 1.
SortNode.Steer crossDomain = delegate(Flit f)
{
if (f == null)
return 0;
return (f.prefDir <= Simulator.DIR_X_3)?0:1;
};
// within first half domain, goes 0; otherwise goes 1.
SortNode.Steer intraDomain = delegate(Flit f)
{
if (f == null)
return 0;
return (f.prefDir%4 < 2)?0:1;
};
// even channel number (e.g. DIR_X_0) goes 0; otherwise goes 1.
SortNode.Steer evenSteer = delegate(Flit f)
{
if (f == null)
return 0;
return (f.prefDir%2 == 0)?0:1;
};
for (int i = 0; i < 4; i++)
{
nodes[i] = new SortNode(crossDomain, r);
nodes[i+4] = new SortNode(intraDomain, r);
nodes[i+8] = new SortNode(evenSteer, r);
}
LOCAL_INDEX = Router.LOCAL_INDEX;
TOTAL_DIR = Router.TOTAL_DIR;
coord = router.coord;
loopBackX = null;
loopBackY = null;
rbuf = new ResubBuffer();
rb_inject_block_count = 0;
}
// helpers
public static bool hasNeighbor(int dir, Router router)
{
int x, y;
x = router.coord.x;
y = router.coord.y;
switch (dir)
{
case DIR_DOWN: y--; break;
case DIR_UP: y++; break;
case DIR_LEFT: x--; break;
case DIR_RIGHT: x++; break;
}
return x >= 0 && x < Config.network_nrX && y >= 0 && y < Config.network_nrY;
}
public void setRouter(Router r)
{
m_router = r;
}