def case2():
""" 2 processes """
if num_procs != 2: return
nbr_list = [1 - rank]
proc_data = {1 - rank: (rank, 1 - rank)}
recv_data = share_data(rank, nbr_list, proc_data, comm, multi=True)
print rank, recv_data
def case2():
""" 2 processes """
if num_procs != 2: return
nbr_list = [1-rank]
proc_data = {1-rank:(rank, 1-rank)}
recv_data = share_data(rank, nbr_list, proc_data, comm, multi=True)
print rank, recv_data
def case4(multi=True, to_self=False):
""" all-to-all oneway communication """
nbr_list = range(num_procs)
if not to_self: nbr_list.remove(rank)
proc_data = {}
for nbr in nbr_list:
proc_data[nbr] = (rank, nbr)
recv_data = share_data(rank, nbr_list, proc_data, comm, multi=multi)
assert len(recv_data) == len(nbr_list)
if multi:
for pid,data in recv_data.iteritems():
assert data == (pid, rank)
else:
print rank, recv_data
for pid,data in recv_data.iteritems():
for pid2,data2 in data.iteritems():
assert data2 == (pid, pid2)
def case4(multi=True, to_self=False):
""" all-to-all oneway communication """
nbr_list = range(num_procs)
if not to_self: nbr_list.remove(rank)
proc_data = {}
for nbr in nbr_list:
proc_data[nbr] = (rank, nbr)
recv_data = share_data(rank, nbr_list, proc_data, comm, multi=multi)
assert len(recv_data) == len(nbr_list)
if multi:
for pid, data in recv_data.iteritems():
assert data == (pid, rank)
else:
print rank, recv_data
for pid, data in recv_data.iteritems():
for pid2, data2 in data.iteritems():
assert data2 == (pid, pid2)
def case5(multi=True, to_self=False):
""" oneway communication to next two consecutive procs """
send_procs = [(rank+1)%num_procs, (rank+2)%num_procs]
recv_procs = [(rank-1)%num_procs, (rank-2)%num_procs]
proc_data = {}
for nbr in send_procs:
proc_data[nbr] = (rank, nbr)
print rank, send_procs, recv_procs, proc_data
recv_data = share_data(rank, send_procs, proc_data, comm, multi=multi,
recv_procs=recv_procs)
assert len(recv_data) == len(recv_procs)
if multi:
for pid,data in recv_data.iteritems():
assert data == (pid, rank)
else:
print rank, recv_data
for pid,data in recv_data.iteritems():
for pid2,data2 in data.iteritems():
assert data2 == (pid, pid2)
def case1(multi=True, to_self=False):
""" 5 processes """
if num_procs != 5: return
nbr_lists = [[1,4],
[0,2,4],
[1,3,4],
[2],
[0,1,2],
]
nbr_list = nbr_lists[rank]
if to_self: nbr_list.append(rank)
proc_data = {}
for nbr in nbr_list:
proc_data[nbr] = (rank, nbr)
recv_data = share_data(rank, nbr_list, proc_data, comm, multi=multi)
assert len(recv_data) == len(nbr_list)
if multi:
for pid,data in recv_data.iteritems():
assert data == (pid, rank)
else:
for pid,data in recv_data.iteritems():
for pid2,data2 in data.iteritems():
assert data2 == (pid, pid2)
def case1(multi=True, to_self=False):
""" 5 processes """
if num_procs != 5: return
nbr_lists = [
[1, 4],
[0, 2, 4],
[1, 3, 4],
[2],
[0, 1, 2],
]
nbr_list = nbr_lists[rank]
if to_self: nbr_list.append(rank)
proc_data = {}
for nbr in nbr_list:
proc_data[nbr] = (rank, nbr)
recv_data = share_data(rank, nbr_list, proc_data, comm, multi=multi)
assert len(recv_data) == len(nbr_list)
if multi:
for pid, data in recv_data.iteritems():
assert data == (pid, rank)
else:
for pid, data in recv_data.iteritems():
for pid2, data2 in data.iteritems():
assert data2 == (pid, pid2)
def case5(multi=True, to_self=False):
""" oneway communication to next two consecutive procs """
send_procs = [(rank + 1) % num_procs, (rank + 2) % num_procs]
recv_procs = [(rank - 1) % num_procs, (rank - 2) % num_procs]
proc_data = {}
for nbr in send_procs:
proc_data[nbr] = (rank, nbr)
print rank, send_procs, recv_procs, proc_data
recv_data = share_data(rank,
send_procs,
proc_data,
comm,
multi=multi,
recv_procs=recv_procs)
assert len(recv_data) == len(recv_procs)
if multi:
for pid, data in recv_data.iteritems():
assert data == (pid, rank)
else:
print rank, recv_data
for pid, data in recv_data.iteritems():
for pid2, data2 in data.iteritems():
assert data2 == (pid, pid2)