def unroll_to_depth( max_depth ):
print "\n\nunroll_to_depth(%d)" % max_depth
print "SYNC UP"
sys.stdout.flush()
cur = chill.cur_indices(0)
thread_idxs = chill.thread_indices()
guard_idx = thread_idxs[-1] # last one
print "cur indices",
print_array(cur)
print "thread indices",
print_array(thread_idxs)
print "guard_idx = %s" % guard_idx
#print "thread_idxs = ",
#print thread_idxs
guard_idx = thread_idxs[-1]
#print "guard_idx = %s" % guard_idx
# HERE FIND OUT THE LOOPS WHICH ARE COMMON BETWEEN STATEMENTS
common_loops = []
comm_loops_cnt = 0
num_stmts = chill.num_statements()
print "num statements %d" % num_stmts
for stmt in range(num_stmts):
sys.stdout.flush()
print "\nSTMT %d" % stmt,
cur_idxs = chill.cur_indices(stmt)
print "Current Indices:",
for c in cur_idxs[:-1]:
print "%s," % c,
print "%s" % cur_idxs[-1] # last one
sys.stdout.flush()
#print_code()
if chk_cur_level(stmt, "tx") > 0:
for ii in range(find_cur_level(stmt,"tx")-1):
print "ii = %d\ncur_idxs[%d] = '%s'" % (ii+1, ii+1, cur_idxs[ii]) # print to match lua
id = cur_idxs[ii]
if id not in ["bx", "by", "", "tx", "ty"]:
print "id %s is not in the list" % id
for stmt1 in range(stmt+1, num_stmts):
print "\nii %d stmt1 is %d" % (ii+1, stmt1) # print to match lua
cur_idxs1 = chill.cur_indices(stmt1)
print "\nstmt1 cur_idxs1 is ",
for ind in cur_idxs1[:-1]:
print "%s," % ind,
print "%s" % cur_idxs1[-1]
print "cur level(%d, %s) = %d" % (stmt, "tx", find_cur_level(stmt,"tx") )
sys.stdout.flush()
endrange = find_cur_level(stmt,"tx")-1
print "for iii=1, %d do" % endrange
sys.stdout.flush()
for iii in range(endrange): # off by one? TODO
print "stmt %d ii %d iii %d\n" % (stmt, ii+1, iii+1),
sys.stdout.flush()
if iii >= len(cur_idxs1):
print "stmt %d ii %d iii %d cur_idxs1[%d] = NIL" % (stmt, ii+1, iii+1, iii+1, ) # print to match lua
else:
print "stmt %d ii %d iii %d cur_idxs1[%d] = '%s'" % (stmt, ii+1, iii+1, iii+1, cur_idxs1[iii]) # print to match lua
sys.stdout.flush()
# this will still probably die
if iii < len(cur_idxs1) and [iii] not in ["bx", "by", "tx", "ty", ""]:
if cur_idxs[ii] == cur_idxs1[iii]:
print "\nfound idx:%s" % cur_idxs[ii]
common_loops.append(cur_idxs[ii])
print "cl[%d] = '%s'" % ( comm_loops_cnt, cur_idxs[ii] )
comm_loops_cnt = len(common_loops)
if len(common_loops) > 0:
print "\n COMM LOOPS :TOTAL %d, and are " % comm_loops_cnt,
print common_loops,
print " this loop : %s" % common_loops[0]
else:
print "UNROLL can't unroll any loops?"
while True: # break at bottom of loop (repeat in lua)
old_num_statements = chill.num_statements()
print "old_num_statements %d" % old_num_statements
for stmt in range(old_num_statements):
cur_idxs = chill.cur_indices(stmt)
print "stmt %d cur_idxs =" % stmt,
index = 0
for i in cur_idxs:
index +=1
if index == len(cur_idxs):
print "%s" %i
else:
print "%s," % i,
if len(cur_idxs) > 0:
guard_level = -1
if chk_cur_level(stmt, guard_idx) > 0:
guard_level = find_cur_level(stmt,guard_idx)
print "guard_level(sp) = %d" % guard_level
if guard_level > -1:
level = next_clean_level(cur_idxs,guard_level)
print "next clean level %d" % level
#print "looking at %d" % stmt
#print "comparing %d and %d in" % (guard_level, level),
#index = 0
#for i in cur_idxs:
#index +=1
#if index == len(cur_idxs):
# print "%s" %i
#else:
# print "%s," % i,
# need to handle max_depth
num_unrolled = 0
level_unroll_comm = level
level_arr = []
#print "before while, level = %d" % level
while level >= 0:
print "while: level = %d" % level
if num_unrolled == max_depth:
break
print "Unrolling %d at level %d index %s" % ( stmt, level, cur_idxs[guard_level]) # ???
level_arr.append(level)
guard_level = find_cur_level(stmt,guard_idx)
level = next_clean_level(cur_idxs,level+1)
print "OK, NOW WE UNROLL"
if level_unroll_comm >= 0:
level_arr.reverse()
for i,lev in enumerate(level_arr):
print "\ni=%d" % i
print "[Unroll]unroll(%d, %d, 0)" % (stmt, lev)
chill.unroll(stmt, lev, 0)
new_num_statements = chill.num_statements()
if old_num_statements == new_num_statements:
break # exit infinite loop
def unroll( statement, level, unroll_amount ):
chill.unroll( statement, level, unroll_amount )
def unroll_to_depth( max_depth ):
print "\n\nunroll_to_depth(%d)" % max_depth
print "SYNC UP"
sys.stdout.flush()
cur = chill.cur_indices(0)
thread_idxs = chill.thread_indices()
guard_idx = thread_idxs[-1] # last one
print "cur indices",
print_array(cur)
print "thread indices",
print_array(thread_idxs)
print "guard_idx = %s" % guard_idx
#print "thread_idxs = ",
#print thread_idxs
guard_idx = thread_idxs[-1]
#print "guard_idx = %s" % guard_idx
# HERE FIND OUT THE LOOPS WHICH ARE COMMON BETWEEN STATEMENTS
common_loops = []
comm_loops_cnt = 0
num_stmts = chill.num_statements()
print "num statements %d" % num_stmts
for stmt in range(num_stmts):
sys.stdout.flush()
print "\nSTMT %d" % stmt,
cur_idxs = chill.cur_indices(stmt)
print "Current Indices:",
for c in cur_idxs[:-1]:
print "%s," % c,
print "%s" % cur_idxs[-1] # last one
sys.stdout.flush()
#print_code()
if chk_cur_level(stmt, "tx") > 0:
for ii in range(find_cur_level(stmt,"tx")-1):
print "ii = %d\ncur_idxs[%d] = '%s'" % (ii+1, ii+1, cur_idxs[ii]) # print to match lua
id = cur_idxs[ii]
if id not in ["bx", "by", "", "tx", "ty"]:
print "id %s is not in the list" % id
for stmt1 in range(stmt+1, num_stmts):
print "\nii %d stmt1 is %d" % (ii+1, stmt1) # print to match lua
cur_idxs1 = chill.cur_indices(stmt1)
print "\nstmt1 cur_idxs1 is ",
for ind in cur_idxs1[:-1]:
print "%s," % ind,
print "%s" % cur_idxs1[-1]
print "cur level(%d, %s) = %d" % (stmt, "tx", find_cur_level(stmt,"tx") )
sys.stdout.flush()
endrange = find_cur_level(stmt,"tx")-1
print "for iii=1, %d do" % endrange
sys.stdout.flush()
for iii in range(endrange): # off by one? TODO
print "stmt %d ii %d iii %d\n" % (stmt, ii+1, iii+1),
sys.stdout.flush()
if iii >= len(cur_idxs1):
print "stmt %d ii %d iii %d cur_idxs1[%d] = NIL" % (stmt, ii+1, iii+1, iii+1, ) # print to match lua
else:
print "stmt %d ii %d iii %d cur_idxs1[%d] = '%s'" % (stmt, ii+1, iii+1, iii+1, cur_idxs1[iii]) # print to match lua
sys.stdout.flush()
# this will still probably die
if iii < len(cur_idxs1) and [iii] not in ["bx", "by", "tx", "ty", ""]:
if cur_idxs[ii] == cur_idxs1[iii]:
print "\nfound idx:%s" % cur_idxs[ii]
common_loops.append(cur_idxs[ii])
print "cl[%d] = '%s'" % ( comm_loops_cnt, cur_idxs[ii] )
comm_loops_cnt = len(common_loops)
if len(common_loops) > 0:
print "\n COMM LOOPS :TOTAL %d, and are " % comm_loops_cnt,
print common_loops,
print " this loop : %s" % common_loops[0]
else:
print "UNROLL can't unroll any loops?"
while True: # break at bottom of loop (repeat in lua)
old_num_statements = chill.num_statements()
print "old_num_statements %d" % old_num_statements
for stmt in range(old_num_statements):
cur_idxs = chill.cur_indices(stmt)
print "stmt %d cur_idxs =" % stmt,
index = 0
for i in cur_idxs:
index +=1
if index == len(cur_idxs):
print "%s" %i
else:
print "%s," % i,
if len(cur_idxs) > 0:
guard_level = -1
if chk_cur_level(stmt, guard_idx) > 0:
guard_level = find_cur_level(stmt,guard_idx)
print "guard_level(sp) = %d" % guard_level
if guard_level > -1:
level = next_clean_level(cur_idxs,guard_level)
print "next clean level %d" % level
#print "looking at %d" % stmt
#print "comparing %d and %d in" % (guard_level, level),
#index = 0
#for i in cur_idxs:
#index +=1
#if index == len(cur_idxs):
# print "%s" %i
#else:
# print "%s," % i,
# need to handle max_depth
num_unrolled = 0
level_unroll_comm = level
level_arr = []
#print "before while, level = %d" % level
while level >= 0:
print "while: level = %d" % level
if num_unrolled == max_depth:
break
print "Unrolling %d at level %d index %s" % ( stmt, level, cur_idxs[guard_level]) # ???
level_arr.append(level)
guard_level = find_cur_level(stmt,guard_idx)
level = next_clean_level(cur_idxs,level+1)
print "OK, NOW WE UNROLL"
if level_unroll_comm >= 0:
level_arr.reverse()
for i,lev in enumerate(level_arr):
print "\ni=%d" % i
print "[Unroll]unroll(%d, %d, 0)" % (stmt, lev)
chill.unroll(stmt, lev, 0)
new_num_statements = chill.num_statements()
if old_num_statements == new_num_statements:
break # exit infinite loop
import chill
chill.source('src/nestedloops.c')
chill.destination('src/nestedloops_modified.c')
chill.procedure('foo')
chill.loop(0)
chill.permute([2, 3, 1])
chill.unroll(0, 3, 2)
def unroll( statement, level, unroll_amount ):
chill.unroll( statement, level, unroll_amount )