def copy_to_shared( start_loop, array_name, alignment ):
#print "\nstarting copy to shared( %s, %s, %d)" % (start_loop, array_name, alignment )
#print "copy_to_shared( %s, %s, %d) in cudaize.py" % ( start_loop, array_name, alignment )
stmt = 0 # assume statement 0
cur = chill.cur_indices(stmt)
#print "Cur indices ",
#print_array( cur )
start_level = find_cur_level( stmt, start_loop )
#print "start_level %d" % start_level
old_num_statements = chill.num_statements()
#print "old_num_statements %d" % old_num_statements
# Now, we give it indices for up to two dimensions for copy loop
copy_loop_idxs = ["tmp1","tmp2"]
#chill.datacopy_9arg(stmt, start_level, array_name, copy_loop_idxs, False, 0, 1, alignment,True)
passtoC = [stmt, start_level, array_name] # a list
passtoC.append( len(copy_loop_idxs))
for i in copy_loop_idxs:
passtoC.append(i)
passtoC.append( 0 ) # False
passtoC.append( 0 )
passtoC.append( 1 )
passtoC.append( alignment )
passtoC.append( 1 ) # True
#print "\n[DataCopy]datacopy( ",
#print passtoC,
#print ")"
#if array_name == "b":
# chill.cheat(1)
#if array_name == "c":
# chill.cheat(2)
chill.datacopy_9arg( tuple( passtoC ))
#print "back from datacopy_9arg\n\n\n"
#sys.stdout.flush()
#print "calling add_sync( %d, %s )" % ( stmt, start_loop )
chill.add_sync( stmt, start_loop )
#print "back from add_sync()\n\n"
new_num_statements = chill.num_statements()
# This is fairly CUBLAS2 specific, not sure how well it generalizes,
# but for a 2D copy, what we want to do is "normalize" the first loop
# "tmp1" then get its hard upper bound. We then want to tile it to
# make the control loop of that tile "ty". We then tile "tmp2" with a
# size of 1 and make it "tx".
#print "fairly CUBLAS2 specific, OLD %d NEW %d" % ( old_num_statements, new_num_statements)
sys.stdout.flush()
sys.stdout.flush()
for stmt in range(old_num_statements, new_num_statements):
#print "for stmt = %d" % stmt
level = find_cur_level( stmt, "tmp2")
#print "FOUND CUR LEVEL? level '",
#print level,
#print "'"
#print "in loop, stmt %d level %d" % ( stmt, level )
if level != -1:
#print "\nCopy to shared: [If was no error]\n"
find_cur_level(stmt,"tmp2")
chill.tile3( stmt, level, level )
#print "hard_loop_bounds( %d, %d )" % (stmt, level)
bounds = chill.hard_loop_bounds(stmt, level)
lower = bounds[0]
upper = 1+ bounds[1]
#print "lower %d upper %d" % ( lower, upper )
dims = chill.thread_dims()
#print "in cudaize.py copy_to_shared, dims =",
#print dims
tx = dims[0]
ty = dims[1]
#print "2-loop cleanup: lower, upper: %d, %d, tx: %d" % ( lower, upper, tx)
level = find_cur_level(stmt,"tmp1")
#print "level %d" % level
if tx == upper and ty == 1:
#print "tx = %d upper = %d ty = %d"% (tx, upper, ty)
#print "Don't need"
# Don't need an extra tile level, just move this loop up
second_level = find_cur_level(stmt,"tmp2")
chill.tile7(stmt, second_level, 1, level, "tx", "tx", counted)
else:
#print "DO need?"
if ty == 1:
new_ctrl = "tmp3"
else:
new_ctrl = "ty"
# LOTS of commented out code here in cudaize.lua
#print_code()
#print "\nStarting tmp2\n"
first_level = find_cur_level(stmt,"tmp1")
second_level = find_cur_level(stmt,"tmp2")
bounds = chill.hard_loop_bounds(stmt, second_level)
lower = bounds[0]
upper = 1 + bounds[1] # BROKEN?
#print "[Malik]-loop cleanup@tmp2: lower, upper: %d, %d, tx: %d,first level:%d,second_level:%d" % ( lower, upper-1, tx, first_level, second_level)
# Move the fastest changing dimension loop to the outermost,identified by "tmp2" and to be identified as tx.
#print "\n[fastest]tile(%d, %d, %d,%d,%s,%s,counted)"%(stmt, second_level,1,first_level, "tx", "tx")
chill.tile7(stmt, second_level,1,first_level,"tx","tx",counted)
#print_code()
first_level = find_cur_level(stmt,"tmp1")
bounds = chill.hard_loop_bounds(stmt, first_level)
lower_1 = bounds[0]
upper_1 = 1 + bounds[1]
tx_level = find_cur_level(stmt,"tx")
bounds = chill.hard_loop_bounds(stmt,tx_level)
lower_tx = bounds[0]
upper_tx = 1+bounds[1]
#print "UL_1 %d %d UL_tx %d %d" % ( lower_1, upper_1-1, lower_tx, upper_tx-1)
if int(math.ceil( float(upper_tx)/float(tx))) > 1:
#print "ceil I say"
#print "\n[Tile1]tile(%d, %d, %d,%d,%s,%s,counted)" % (stmt, tx_level,tx,tx_level, "tx", "tmp1")
chill.tile7(stmt,tx_level,tx,tx_level,"tx","tmp_tx",counted)
#print_code()
repeat = find_cur_level(stmt,"tx")
#print "\n[Tile1]tile(%d, %d, %d)" % (stmt, repeat, repeat)
chill.tile3(stmt, repeat, repeat) #find_cur_level(stmt,"tx"),find_cur_level(stmt,"tx"))
#print_code()
if find_cur_level(stmt,"tx")>find_cur_level(stmt,"tmp_tx"):
#print "\nagain [Tile1]tile(%d, %d, %d)" % (stmt,find_cur_level(stmt,"tx"),find_cur_level(stmt,"tmp_tx"))
chill.tile3(stmt,find_cur_level(stmt,"tx"),find_cur_level(stmt,"tmp_tx"))
#print_code()
#print_code()
#print "\nStarting tmp1\n"
# Handle the other slower changing dimension, the original outermost loop, now identified by "tmp1", to be identified as "ty".
chill.tile3(stmt,find_cur_level(stmt,"tmp1"),find_cur_level(stmt,"tmp1"))
#print_code()
ty_level = find_cur_level(stmt,"tmp1")
bounds = chill.hard_loop_bounds(stmt,ty_level)
lower_ty = bounds[0]
upper_ty = 1 + bounds[1]
tx_level = find_cur_level(stmt,"tx")
bounds = chill.hard_loop_bounds(stmt,tx_level)
lower_tx = bounds[0]
upper_tx = 1 + bounds[1]
#print "[Malik]-loop cleanup@tmp1: lowerty, upperty: %d, %d, ty: %d,ty level:%d,tx_level:%d, stmt: %d" % ( lower_ty, upper_ty-1, ty, ty_level, tx_level, stmt)
#print "before ceil"
#sys.stdout.flush()
if(math.ceil(float(upper_ty)/float(ty)) > 1):
#print "CEIL IF"
#print "\n Inside upper_ty/ty > 1\n"
#print "\n[Tile2]tile(%d, %d, %d,%d,%s,%s,counted)"%(stmt, ty_level,ty,ty_level, "ty", "tmp_ty")
chill.tile7(stmt,ty_level,ty,ty_level,"ty","tmp_ty",counted)
#print_code()
#print "\n[Tile2-1]tile(%d, %d, %d)"%(stmt,find_cur_level(stmt ,"ty"),find_cur_level(stmt,"ty"))
chill.tile3(stmt,find_cur_level(stmt,"ty"),find_cur_level(stmt,"ty"))
#print_code()
cur_idxs = chill.cur_indices(stmt)
#print "\n cur indexes are ",
#print_array( cur_idxs)
#sys.stdout.flush()
# Putting ty before any tmp_tx
idx_flag = -1
if "tmp_tx" in cur_idxs:
idx_flag = 1 + cur_idxs.index("tmp_tx") # lua index starts at 1
#print "\n (1) so i have found out the value of idx flag as %d" % idx_flag
#sys.stdout.flush()
if idx_flag >= 0:
if find_cur_level(stmt,"ty") > find_cur_level(stmt,"tmp_ty"):
#print "\n[Tile2-2]tile(%d, %d, %d)"%(stmt,find_cur_level(stmt,"ty"),find_cur_level(stmt,"tmp_ty"))
chill.tile3(stmt,find_cur_level(stmt,"ty"),find_cur_level(stmt,"tmp_ty"))
#print_code()
# Now Putting ty before any tmp_ty
sys.stdout.flush()
idx_flag = -1
if "tmp_ty" in cur_idxs:
idx_flag = 1 + cur_idxs.index("tmp_ty") # lua index starts at 1
#print "\n IF so i have found out the value of idx flag as %d" % idx_flag
#sys.stdout.flush()
if idx_flag >= 0:
#print "one more test"
sys.stdout.flush()
if find_cur_level(stmt,"ty")>find_cur_level(stmt,"tmp_ty"):
#print "\n[Tile2-2]tile(%d, %d, %d)"%(stmt,find_cur_level(stmt,"ty"),find_cur_level(stmt,"tmp_ty"))
#sys.stdout.flush()
chill.tile3(stmt,find_cur_level(stmt,"ty"),find_cur_level(stmt,"tmp_ty"))
#print_code()
else:
#print "CEIL ELSE"
#print "\n[Tile3]tile(%d, %d, %d,%d,%s,%s,counted)" % (stmt, ty_level,1,ty_level, "ty", "ty")
#sys.stdout.flush()
chill.tile7( stmt, ty_level, 1, ty_level, "ty", "ty", counted )
#print_code()
#print "\n[Tile3-1]tile(%d, %d, %d)"%(stmt,find_cur_level(stmt,"ty"),find_cur_level(stmt,"tx")+1)
sys.stdout.flush()
chill.tile3(stmt,find_cur_level(stmt,"ty"),find_cur_level(stmt,"tx")+1)
#print_code()
idx_flag = -1
# LUA code checks to see if cur_idxs exists? it is unused except in the other clause of this is
#if(cur_idxs) then
#print "CAN NEVER GET HERE? cur_idxs"
#for num= 0,table.getn(cur_idxs) do
#if(cur[num] == "tmp_ty") then
#idx_flag = find_cur_level(stmt,cur[num])
#break
#end
#end
print "\n ELSE so i have found out the value of idx flag as %d" % idx_flag
if idx_flag >= 0: # can't happen
print "tile( stmt %d, level ty %d, level ty %d" % ( stmt,find_cur_level(stmt,"ty"),find_cur_level(stmt,"tmp_ty"))
#chill.tile3(stmt,find_cur_level(stmt,"ty"),find_cur_level(stmt,"tmp_ty"))
#print "\n\n *** at bottom of if in copy to shared, "
#print_code()
#print "end of if"
else:
# copy to shared only created one level, not two, so we use a different approach (MV & TMV)
#print "\nCopy to shared: [If was error]\n"
level = find_cur_level(stmt,"tmp1")
chill.tile3(stmt, level, level)
dims = chill.thread_dims()
#print dims
tx = dims[0]
ty = dims[1]
bounds = chill.hard_loop_bounds(stmt, level)
lower = bounds[0]
upper = bounds[1]
#print "bounds lower %d upper %d" % (lower, upper)
upper = upper+1 # upper bound given as <=, compare to dimensions tx which is <
if upper == tx:
#print "upper == tx"
chill.rename_index( stmt, "tmp1", "tx")
else:
#print "upper is not tx"
#print "upper %d tx %d stmt: %d level: %d" % ( upper, tx, stmt, level)
chill.tile7( stmt, level, tx, level, "tx", "tmp_tx", counted)
#print_code()
#print "stmt:%d level+1: %d" % ( stmt, level+1)
#print("TILE 7")
chill.tile7( stmt, level+1,1,level+1,"tx", "tx",counted)
#print("TILE 3")
chill.tile3( stmt, level+1, level)
#print_code()
if ty > 1:
#print "GOING IN"
bounds = chill.hard_loop_bounds(stmt, level+1)
lower = bounds[0]
upper = bounds[1]
#print "ty %d lower %d upper %d" % ( ty, lower, upper )
floatdiv = float(upper)/float(ty)
bound = int(math.ceil(float(upper)/float(ty)))
#print "NOW FOR Y: upper %d ty %d stmt: %d level: %d bound: %d" % ( upper, ty, stmt, level+1, bound)
chill.tile7(stmt, level+1, bound, level+1, "tmp_ty", "ty", counted)
# Always add sync
chill.add_sync( stmt, start_loop )
def normalize_index( index ):
#print "in cudaize.py, normalize_index( %s )" % index
stmt = 0 # assume stmt 0
l = find_cur_level( stmt, index )
chill.tile3( stmt, l, l )
def copy_to_registers( start_loop, array_name ):
#print "\n\n****** starting copy to registers"
#sys.stdout.flush()
stmt = 0 # assume stmt 0
cur = chill.cur_indices(stmt) # calls C
table_Size = len(cur)
#print "Cur indices",
#print_array(cur)
#print "\nThe table size is %d" % table_Size
#count=1
#for c in cur:
# print "%d\t%s" % (count,c)
# count += 1
#print_code()
# would be much cleaner if not translating this code from lua!
level_tx = -1
level_ty = -1
if is_in_indices(stmt,"tx"):
level_tx = find_cur_level(stmt,"tx")
if is_in_indices(stmt,"ty"):
level_ty = find_cur_level(stmt,"ty")
#print "level_tx %d level_ty %d" % ( level_tx, level_ty )
#sys.stdout.flush()
ty_lookup_idx = ""
org_level_ty = level_ty
# UGLY logic. Lua index starts at 1, so all tests etc here are off by 1 from the lua code
# level_ty initializes to -1 , which is not a valid index, and so there is added code to
# make it not try to acccess offset -1. -1 IS a valid python array index
# to top it off, the else below can assign a NIL to ty_lookup_idx!
if level_ty != -1 and cur[level_ty] != "":
#print "IF cur[%d] = %s" % ( level_ty, cur[level_ty] )
ty_lookup_idx = cur[level_ty]
else:
#print "ELSE ty_lookup_idx = cur[%d] = %s" % ( level_ty, cur[level_ty-1])
ty_lookup_idx = cur[level_ty-1]
#print "ty_lookup_idx '%s'" % ty_lookup_idx
if level_ty > -1:
#print "\ntile3(%d,%d,%d)" % (stmt,level_ty,level_tx+1)
chill.tile3(stmt,level_ty,level_tx+1)
#print_code()
cur = chill.cur_indices(stmt) # calls C
table_Size = len(cur)
#print "Cur indices ",
#for c in cur:
# print "%s," % c,
#print "\nThe table size is %d" % len(cur)
#count=1
#for c in cur:
# print "%d\t%s" % (count,c)
# count += 1
#sys.stdout.flush()
if is_in_indices(stmt,"tx"):
level_tx = find_cur_level(stmt,"tx")
if ty_lookup_idx != "": # perhaps incorrect test
if is_in_indices(stmt,ty_lookup_idx):
level_ty = find_cur_level(stmt,ty_lookup_idx)
ty_lookup = 1
idx_flag = -1
# find the level of the next valid index after ty+1
#print "\nlevel_ty %d" % level_ty
if level_ty > -1:
#print "table_Size %d" % table_Size
for num in range(-1 + level_ty+ty_lookup,table_Size): # ?? off by one?
#print "num=%d cur[num] = '%s'" % (num+1, cur[num]) # num+1 is lua index ????
sys.stdout.flush()
if cur[num] != "":
idx_flag = find_cur_level(stmt,cur[num])
#print "idx_flag = %d" % idx_flag
break
#print "\n(first) I am checking all indexes after ty+1 %s" % idx_flag
#print_code()
#print ""
how_many_levels = 1
#print "idx_flag = %d I will check levels starting with %d" % (idx_flag, idx_flag+1)
# lua arrays start at index 1. the next loop in lua starts at offset 0, since idx_flag can be -1
# thus the check for "not equal nil" in lua (bad idea)
# python arrays start at 0, so will check for things that lua doesn't (?)
startat = idx_flag + 1
if idx_flag == -1:
startat = 1 # pretend we're lua for now. TODO: fix the logic
for ch_lev in range(startat,table_Size+1): # logic may be wrong (off by one)
#print "ch_lev %d" % ch_lev
if ch_lev <= table_Size and cur[ch_lev-1] != "":
#print "cur[%d] = '%s'" % ( ch_lev, cur[ch_lev-1] )
how_many_levels += 1
#print "\nHow Many Levels %d" % how_many_levels
sys.stdout.flush()
sys.stdout.flush()
if how_many_levels< 2:
while( idx_flag >= 0):
for num in range(level_ty+ty_lookup,table_Size+1):
#print "at top of loop, num is %d" % num
#print "cur[num] = '%s'" % cur[num-1]
if cur[num-1] != "":
idx = cur[num-1]
#print "idx '%s'" % idx
sys.stdout.flush()
curlev = find_cur_level(stmt,idx)
#print "curlev %d" % curlev
#print "\n[COPYTOREG]tile(%d,%d,%d)"%(stmt,curlev,level_tx)
chill.tile3(stmt, curlev, curlev)
curlev = find_cur_level(stmt,idx)
#print "curlev %d" % curlev
chill.tile3(stmt,curlev,level_tx)
#print "hehe '%s'" % cur[num-1]
cur = chill.cur_indices(stmt)
#print "Cur indices INSIDE",
#for c in cur:
# print "%s," % c,
table_Size = len(cur)
#print "\nTable Size is: %d" % len(cur)
level_tx = find_cur_level(stmt,"tx")
#print "\n level TX is: %d" % level_tx
level_ty = find_cur_level(stmt,ty_lookup_idx)
#print "\n level TY is: %d" %level_ty
idx_flag = -1
#print "idx_flag = -1"
#- find the level of the next valid index after ty+1
#- the following was num, which conflicts with loop we're already in, and otherwise wasn't used (?)
for num2 in range( -1 + level_ty+ty_lookup ,table_Size): # lua starts index at one
#print "num mucking num = %d" % num2
if(cur[num2] != ""):
#print "cur[%d] = '%s'" % ( num2, cur[num2] )
idx_flag = find_cur_level(stmt,cur[num2])
#print("\n(second) I am checking all indexes after ty+1 %s",cur[num2])
break
#print "num mucked to %d idx_flag = %d" % (num, idx_flag)
#print "at bottom of loop, num is %d" % num
#print "done with levels"
# this was a block comment ???
# for num in range(level_ty+1, table_Size+1):
# print "num %d" % num
# if cur[num-1] != "":
# idx_flag = find_cur_level(stmt,cur[num-1]) ## ugly
# print "idx_flag = %d" % idx_flag
# change this all to reflect the real logic which is to normalize all loops inside the thread loops.
# print "change this all ...\n"
# print "level_ty+1 %d table_Size-1 %d idx_flag %d" %( level_ty+1, table_Size-1, idx_flag)
# sys.stdout.flush()
# sys.stdout.flush()
# while level_ty+1 < (table_Size-1) and idx_flag >= 0:
# print "*** level_ty %d" % level_ty
# for num in range(level_ty+2,table_Size+1): # lua for includes second value
# print "num %d cur[num] %s" % (num, cur[num])
# if cur[num] != "":
# idx = cur[num]
# print "idx='%s'" % idx
# #print_code()
#print "ARE WE SYNCED HERE?"
#print_code()
# [Malik] end logic
start_level = find_cur_level(stmt, start_loop) # start_loop was passed parameter!
# We should hold constant any block or tile loop
block_idxs = chill.block_indices()
thread_idxs = chill.thread_indices()
#print"\nblock indices are"
#for index, val in enumerate(block_idxs):
# print "%d\t%s" % ( int(index)+1 , val )
#print"\nthread indices are"
#for index, val in enumerate(thread_idxs):
# print "%d\t%s" % ( int(index)+1 , val )
#print "\nStart Level: %d" % start_level
hold_constant = []
#print("\n Now in Blocks")
for idx in block_idxs:
blocklevel = find_cur_level(stmt,idx)
if blocklevel >= start_level:
hold_constant.append(idx)
#print "\nJust inserted block %s in hold_constant" %idx
#print("\n Now in Threads")
for idx in thread_idxs:
blocklevel = find_cur_level(stmt,idx)
if blocklevel >= start_level:
hold_constant.append(idx)
#print "\nJust inserted thread %s in hold_constant" %idx
#print "\nhold constant table is: "
#for index, val in enumerate(hold_constant):
# print "%d\t%s" % ( int(index)+1 , val )
#print("\nbefore datacopy pvt")
old_num_stmts = chill.num_statements()
#sys.stdout.flush()
#print "\n[DataCopy]datacopy_privatized(%d, %s, %s, " % (stmt, start_loop, array_name),
#print hold_constant,
#print ")"
passtoC = [stmt, start_loop, array_name ] # a list
passtoC.append( len(hold_constant ) )
for h in hold_constant:
passtoC.append( h )
chill.datacopy_privatized( tuple( passtoC ))
sys.stdout.flush()
sys.stdout.flush()
new_num_statements = chill.num_statements()
def tile_by_index( tile_indices, sizes, index_names, final_order, tile_method):
#print "STARTING TILE BY INDEX"
#print "tile_by_index() tile_method ",
#print tile_method
#print "index_names: ",
#print index_names
stmt = 0 # assume statement 0
if not valid_indices( stmt, tile_indices):
print "python tile_by_index() one or more of ",
print tile_indices,
print " is not valid"
sys.exit(-1)
if tile_method == None:
#print "CREATING tile_method = 1"
tile_method = 1 # "counted"
tile_index_names = []
for ti in tile_indices:
tile_index_names.append( ti ) # make a copy?
#print "tile_index_names:",
#print tile_index_names
control_index_names = dict()
tile_index_map = dict()
#print "index_names: "
#print index_names
for control, name in index_names.items():
valid = False
if control[0] == "l" and control[1].isdigit():
if control.endswith("_control"):
index = int(control[1: -8])
control_index_names[index-1] = name
valid = True
elif control.endswith("_tile"):
index = int(control[1: -5])
#print "index %d" % index
tile_index_names[index-1] = name # ??
tile_index_map[name] = tile_indices[index-1]
valid = True
if not valid:
print "%s is not a proper key for specifying tile or control loop indices\n" % control
#print "control_index_names = ",
#print control_index_names
#print "tile_index_names = ",
#print tile_index_names
#print "before call to build_order(), tile_index_map = ",
#print tile_index_map
# filter out control indices (and do name substitution of unprocessed tile indices) for a given level
cur_order = build_order(final_order, tile_indices, control_index_names, tile_index_map, -1)
#print "returned from build_order python\n\n"
# print("permute("..stmt..", {"..list_to_string(cur_order).."})")
#print "permute(%d, {" % stmt,
#print "cur_order = ",
#print cur_order,
#print "})"
print cur_order
chill.permute(stmt, list(cur_order))
#print "in cudaize.py, returned from C code chill.permute()\n"
for i in range(len(tile_indices)):
cur_idx = tile_indices[i]
#print "i %d cur_idx %s calling build order ********" % (i, cur_idx)
cur_order = build_order( final_order, tile_indices, control_index_names, tile_index_map, i)
#print "cur_idx %s return from build order" % cur_idx
# Find an offset between tile loop and control loop
# 0 = control loop one level above tile loop
# -1 = control loop two levels above tile loop
# > 0 = tile loop above control loop
# In the last case, we do two extra tile commands to get the control
# above the tile and then rely on the final permute to handle the
# rest
level = find_cur_level(stmt,cur_idx)
#print "level %d\n" % level
offset = find_offset(cur_order, tile_index_names[i], control_index_names[i])
#print "offset %d" % offset
if offset <= 0:
#print "[offset<=0]1tile(%d, %d, %d, %d, %s, %s, %d)" % (stmt, level, sizes[i], level+offset, tile_index_names[i], control_index_names[i], tile_method )
chill.tile7( stmt, level, sizes[i], level+offset, tile_index_names[i], control_index_names[i], tile_method )
#print "in cudaize.py, returned from C code chill.tile7\n"
else:
#print "2tile(%d, %d, %d, %d, %s, %s, %d)" % (stmt, level, sizes[i], level+offset-1, tile_index_names[i], control_index_names[i], tile_method )
chill.tile7( stmt, level, sizes[i], level+offset-1, tile_index_names[i], control_index_names[i], tile_method ) # regular level
# flip and tile control loop
#print "3tile(%d, %d, %d)" % ( stmt, level+1, level+1)
chill.tile3( stmt, level+1, level+1)
#print "4tile(%d, %d, %d)" % ( stmt, level+1, level)
chill.tile3( stmt, level+1, level)
#print_code()
# Do permutation based on cur_order
#print("permute based on build order calling build_order()")
cur_order = build_order(final_order, tile_indices, control_index_names, tile_index_map, i)
#print("permute based on build order return from build_order()")
# print("permute("..stmt..", {"..list_to_string(cur_order).."})")
topermute = cur_order
chill.permute(stmt, list(topermute))
def copy_to_shared( start_loop, array_name, alignment ):
#print "\nstarting copy to shared( %s, %s, %d)" % (start_loop, array_name, alignment )
#print "copy_to_shared( %s, %s, %d) in cudaize.py" % ( start_loop, array_name, alignment )
stmt = 0 # assume statement 0
cur = chill.cur_indices(stmt)
#print "Cur indices ",
#print_array( cur )
start_level = find_cur_level( stmt, start_loop )
#print "start_level %d" % start_level
old_num_statements = chill.num_statements()
#print "old_num_statements %d" % old_num_statements
# Now, we give it indices for up to two dimensions for copy loop
copy_loop_idxs = ["tmp1","tmp2"]
#chill.datacopy_9arg(stmt, start_level, array_name, copy_loop_idxs, False, 0, 1, alignment,True)
passtoC = [stmt, start_level, array_name] # a list
passtoC.append( len(copy_loop_idxs))
for i in copy_loop_idxs:
passtoC.append(i)
passtoC.append( 0 ) # False
passtoC.append( 0 )
passtoC.append( 1 )
passtoC.append( alignment )
passtoC.append( 1 ) # True
#print "\n[DataCopy]datacopy( ",
#print passtoC,
#print ")"
#if array_name == "b":
# chill.cheat(1)
#if array_name == "c":
# chill.cheat(2)
chill.datacopy_9arg( tuple( passtoC ))
#print "back from datacopy_9arg\n\n\n"
#sys.stdout.flush()
#print "calling add_sync( %d, %s )" % ( stmt, start_loop )
chill.add_sync( stmt, start_loop )
#print "back from add_sync()\n\n"
new_num_statements = chill.num_statements()
# This is fairly CUBLAS2 specific, not sure how well it generalizes,
# but for a 2D copy, what we want to do is "normalize" the first loop
# "tmp1" then get its hard upper bound. We then want to tile it to
# make the control loop of that tile "ty". We then tile "tmp2" with a
# size of 1 and make it "tx".
#print "fairly CUBLAS2 specific, OLD %d NEW %d" % ( old_num_statements, new_num_statements)
sys.stdout.flush()
sys.stdout.flush()
for stmt in range(old_num_statements, new_num_statements):
#print "for stmt = %d" % stmt
level = find_cur_level( stmt, "tmp2")
#print "FOUND CUR LEVEL? level '",
#print level,
#print "'"
#print "in loop, stmt %d level %d" % ( stmt, level )
if level != -1:
#print "\nCopy to shared: [If was no error]\n"
find_cur_level(stmt,"tmp2")
chill.tile3( stmt, level, level )
#print "hard_loop_bounds( %d, %d )" % (stmt, level)
bounds = chill.hard_loop_bounds(stmt, level)
lower = bounds[0]
upper = 1+ bounds[1]
#print "lower %d upper %d" % ( lower, upper )
dims = chill.thread_dims()
#print "in cudaize.py copy_to_shared, dims =",
#print dims
tx = dims[0]
ty = dims[1]
#print "2-loop cleanup: lower, upper: %d, %d, tx: %d" % ( lower, upper, tx)
level = find_cur_level(stmt,"tmp1")
#print "level %d" % level
if tx == upper and ty == 1:
#print "tx = %d upper = %d ty = %d"% (tx, upper, ty)
#print "Don't need"
# Don't need an extra tile level, just move this loop up
second_level = find_cur_level(stmt,"tmp2")
chill.tile7(stmt, second_level, 1, level, "tx", "tx", counted)
else:
#print "DO need?"
if ty == 1:
new_ctrl = "tmp3"
else:
new_ctrl = "ty"
# LOTS of commented out code here in cudaize.lua
#print_code()
#print "\nStarting tmp2\n"
first_level = find_cur_level(stmt,"tmp1")
second_level = find_cur_level(stmt,"tmp2")
bounds = chill.hard_loop_bounds(stmt, second_level)
lower = bounds[0]
upper = 1 + bounds[1] # BROKEN?
#print "[Malik]-loop cleanup@tmp2: lower, upper: %d, %d, tx: %d,first level:%d,second_level:%d" % ( lower, upper-1, tx, first_level, second_level)
# Move the fastest changing dimension loop to the outermost,identified by "tmp2" and to be identified as tx.
#print "\n[fastest]tile(%d, %d, %d,%d,%s,%s,counted)"%(stmt, second_level,1,first_level, "tx", "tx")
chill.tile7(stmt, second_level,1,first_level,"tx","tx",counted)
#print_code()
first_level = find_cur_level(stmt,"tmp1")
bounds = chill.hard_loop_bounds(stmt, first_level)
lower_1 = bounds[0]
upper_1 = 1 + bounds[1]
tx_level = find_cur_level(stmt,"tx")
bounds = chill.hard_loop_bounds(stmt,tx_level)
lower_tx = bounds[0]
upper_tx = 1+bounds[1]
#print "UL_1 %d %d UL_tx %d %d" % ( lower_1, upper_1-1, lower_tx, upper_tx-1)
if int(math.ceil( float(upper_tx)/float(tx))) > 1:
#print "ceil I say"
#print "\n[Tile1]tile(%d, %d, %d,%d,%s,%s,counted)" % (stmt, tx_level,tx,tx_level, "tx", "tmp1")
chill.tile7(stmt,tx_level,tx,tx_level,"tx","tmp_tx",counted)
#print_code()
repeat = find_cur_level(stmt,"tx")
#print "\n[Tile1]tile(%d, %d, %d)" % (stmt, repeat, repeat)
chill.tile3(stmt, repeat, repeat) #find_cur_level(stmt,"tx"),find_cur_level(stmt,"tx"))
#print_code()
if find_cur_level(stmt,"tx")>find_cur_level(stmt,"tmp_tx"):
#print "\nagain [Tile1]tile(%d, %d, %d)" % (stmt,find_cur_level(stmt,"tx"),find_cur_level(stmt,"tmp_tx"))
chill.tile3(stmt,find_cur_level(stmt,"tx"),find_cur_level(stmt,"tmp_tx"))
#print_code()
#print_code()
#print "\nStarting tmp1\n"
# Handle the other slower changing dimension, the original outermost loop, now identified by "tmp1", to be identified as "ty".
chill.tile3(stmt,find_cur_level(stmt,"tmp1"),find_cur_level(stmt,"tmp1"))
#print_code()
ty_level = find_cur_level(stmt,"tmp1")
bounds = chill.hard_loop_bounds(stmt,ty_level)
lower_ty = bounds[0]
upper_ty = 1 + bounds[1]
tx_level = find_cur_level(stmt,"tx")
bounds = chill.hard_loop_bounds(stmt,tx_level)
lower_tx = bounds[0]
upper_tx = 1 + bounds[1]
#print "[Malik]-loop cleanup@tmp1: lowerty, upperty: %d, %d, ty: %d,ty level:%d,tx_level:%d, stmt: %d" % ( lower_ty, upper_ty-1, ty, ty_level, tx_level, stmt)
#print "before ceil"
#sys.stdout.flush()
if(math.ceil(float(upper_ty)/float(ty)) > 1):
#print "CEIL IF"
#print "\n Inside upper_ty/ty > 1\n"
#print "\n[Tile2]tile(%d, %d, %d,%d,%s,%s,counted)"%(stmt, ty_level,ty,ty_level, "ty", "tmp_ty")
chill.tile7(stmt,ty_level,ty,ty_level,"ty","tmp_ty",counted)
#print_code()
#print "\n[Tile2-1]tile(%d, %d, %d)"%(stmt,find_cur_level(stmt ,"ty"),find_cur_level(stmt,"ty"))
chill.tile3(stmt,find_cur_level(stmt,"ty"),find_cur_level(stmt,"ty"))
#print_code()
cur_idxs = chill.cur_indices(stmt)
#print "\n cur indexes are ",
#print_array( cur_idxs)
#sys.stdout.flush()
# Putting ty before any tmp_tx
idx_flag = -1
if "tmp_tx" in cur_idxs:
idx_flag = 1 + cur_idxs.index("tmp_tx") # lua index starts at 1
#print "\n (1) so i have found out the value of idx flag as %d" % idx_flag
#sys.stdout.flush()
if idx_flag >= 0:
if find_cur_level(stmt,"ty") > find_cur_level(stmt,"tmp_ty"):
#print "\n[Tile2-2]tile(%d, %d, %d)"%(stmt,find_cur_level(stmt,"ty"),find_cur_level(stmt,"tmp_ty"))
chill.tile3(stmt,find_cur_level(stmt,"ty"),find_cur_level(stmt,"tmp_ty"))
#print_code()
# Now Putting ty before any tmp_ty
sys.stdout.flush()
idx_flag = -1
if "tmp_ty" in cur_idxs:
idx_flag = 1 + cur_idxs.index("tmp_ty") # lua index starts at 1
#print "\n IF so i have found out the value of idx flag as %d" % idx_flag
#sys.stdout.flush()
if idx_flag >= 0:
#print "one more test"
sys.stdout.flush()
if find_cur_level(stmt,"ty")>find_cur_level(stmt,"tmp_ty"):
#print "\n[Tile2-2]tile(%d, %d, %d)"%(stmt,find_cur_level(stmt,"ty"),find_cur_level(stmt,"tmp_ty"))
#sys.stdout.flush()
chill.tile3(stmt,find_cur_level(stmt,"ty"),find_cur_level(stmt,"tmp_ty"))
#print_code()
else:
#print "CEIL ELSE"
#print "\n[Tile3]tile(%d, %d, %d,%d,%s,%s,counted)" % (stmt, ty_level,1,ty_level, "ty", "ty")
#sys.stdout.flush()
chill.tile7( stmt, ty_level, 1, ty_level, "ty", "ty", counted )
#print_code()
#print "\n[Tile3-1]tile(%d, %d, %d)"%(stmt,find_cur_level(stmt,"ty"),find_cur_level(stmt,"tx")+1)
sys.stdout.flush()
chill.tile3(stmt,find_cur_level(stmt,"ty"),find_cur_level(stmt,"tx")+1)
#print_code()
idx_flag = -1
# LUA code checks to see if cur_idxs exists? it is unused except in the other clause of this is
#if(cur_idxs) then
#print "CAN NEVER GET HERE? cur_idxs"
#for num= 0,table.getn(cur_idxs) do
#if(cur[num] == "tmp_ty") then
#idx_flag = find_cur_level(stmt,cur[num])
#break
#end
#end
print "\n ELSE so i have found out the value of idx flag as %d" % idx_flag
if idx_flag >= 0: # can't happen
print "tile( stmt %d, level ty %d, level ty %d" % ( stmt,find_cur_level(stmt,"ty"),find_cur_level(stmt,"tmp_ty"))
#chill.tile3(stmt,find_cur_level(stmt,"ty"),find_cur_level(stmt,"tmp_ty"))
#print "\n\n *** at bottom of if in copy to shared, "
#print_code()
#print "end of if"
else:
# copy to shared only created one level, not two, so we use a different approach (MV & TMV)
#print "\nCopy to shared: [If was error]\n"
level = find_cur_level(stmt,"tmp1")
chill.tile3(stmt, level, level)
dims = chill.thread_dims()
#print dims
tx = dims[0]
ty = dims[1]
bounds = chill.hard_loop_bounds(stmt, level)
lower = bounds[0]
upper = bounds[1]
#print "bounds lower %d upper %d" % (lower, upper)
upper = upper+1 # upper bound given as <=, compare to dimensions tx which is <
if upper == tx:
#print "upper == tx"
chill.rename_index( stmt, "tmp1", "tx")
else:
#print "upper is not tx"
#print "upper %d tx %d stmt: %d level: %d" % ( upper, tx, stmt, level)
chill.tile7( stmt, level, tx, level, "tx", "tmp_tx", counted)
#print_code()
#print "stmt:%d level+1: %d" % ( stmt, level+1)
#print("TILE 7")
chill.tile7( stmt, level+1,1,level+1,"tx", "tx",counted)
#print("TILE 3")
chill.tile3( stmt, level+1, level)
#print_code()
if ty > 1:
#print "GOING IN"
bounds = chill.hard_loop_bounds(stmt, level+1)
lower = bounds[0]
upper = bounds[1]
#print "ty %d lower %d upper %d" % ( ty, lower, upper )
floatdiv = float(upper)/float(ty)
bound = int(math.ceil(float(upper)/float(ty)))
#print "NOW FOR Y: upper %d ty %d stmt: %d level: %d bound: %d" % ( upper, ty, stmt, level+1, bound)
chill.tile7(stmt, level+1, bound, level+1, "tmp_ty", "ty", counted)
# Always add sync
chill.add_sync( stmt, start_loop )
def copy_to_registers( start_loop, array_name ):
#print "\n\n****** starting copy to registers"
#sys.stdout.flush()
stmt = 0 # assume stmt 0
cur = chill.cur_indices(stmt) # calls C
table_Size = len(cur)
#print "Cur indices",
#print_array(cur)
#print "\nThe table size is %d" % table_Size
#count=1
#for c in cur:
# print "%d\t%s" % (count,c)
# count += 1
#print_code()
# would be much cleaner if not translating this code from lua!
level_tx = -1
level_ty = -1
if is_in_indices(stmt,"tx"):
level_tx = find_cur_level(stmt,"tx")
if is_in_indices(stmt,"ty"):
level_ty = find_cur_level(stmt,"ty")
#print "level_tx %d level_ty %d" % ( level_tx, level_ty )
#sys.stdout.flush()
ty_lookup_idx = ""
org_level_ty = level_ty
# UGLY logic. Lua index starts at 1, so all tests etc here are off by 1 from the lua code
# level_ty initializes to -1 , which is not a valid index, and so there is added code to
# make it not try to acccess offset -1. -1 IS a valid python array index
# to top it off, the else below can assign a NIL to ty_lookup_idx!
if level_ty != -1 and cur[level_ty] != "":
#print "IF cur[%d] = %s" % ( level_ty, cur[level_ty] )
ty_lookup_idx = cur[level_ty]
else:
#print "ELSE ty_lookup_idx = cur[%d] = %s" % ( level_ty, cur[level_ty-1])
ty_lookup_idx = cur[level_ty-1]
#print "ty_lookup_idx '%s'" % ty_lookup_idx
if level_ty > -1:
#print "\ntile3(%d,%d,%d)" % (stmt,level_ty,level_tx+1)
chill.tile3(stmt,level_ty,level_tx+1)
#print_code()
cur = chill.cur_indices(stmt) # calls C
table_Size = len(cur)
#print "Cur indices ",
#for c in cur:
# print "%s," % c,
#print "\nThe table size is %d" % len(cur)
#count=1
#for c in cur:
# print "%d\t%s" % (count,c)
# count += 1
#sys.stdout.flush()
if is_in_indices(stmt,"tx"):
level_tx = find_cur_level(stmt,"tx")
if ty_lookup_idx != "": # perhaps incorrect test
if is_in_indices(stmt,ty_lookup_idx):
level_ty = find_cur_level(stmt,ty_lookup_idx)
ty_lookup = 1
idx_flag = -1
# find the level of the next valid index after ty+1
#print "\nlevel_ty %d" % level_ty
if level_ty > -1:
#print "table_Size %d" % table_Size
for num in range(-1 + level_ty+ty_lookup,table_Size): # ?? off by one?
#print "num=%d cur[num] = '%s'" % (num+1, cur[num]) # num+1 is lua index ????
sys.stdout.flush()
if cur[num] != "":
idx_flag = find_cur_level(stmt,cur[num])
#print "idx_flag = %d" % idx_flag
break
#print "\n(first) I am checking all indexes after ty+1 %s" % idx_flag
#print_code()
#print ""
how_many_levels = 1
#print "idx_flag = %d I will check levels starting with %d" % (idx_flag, idx_flag+1)
# lua arrays start at index 1. the next loop in lua starts at offset 0, since idx_flag can be -1
# thus the check for "not equal nil" in lua (bad idea)
# python arrays start at 0, so will check for things that lua doesn't (?)
startat = idx_flag + 1
if idx_flag == -1:
startat = 1 # pretend we're lua for now. TODO: fix the logic
for ch_lev in range(startat,table_Size+1): # logic may be wrong (off by one)
#print "ch_lev %d" % ch_lev
if ch_lev <= table_Size and cur[ch_lev-1] != "":
#print "cur[%d] = '%s'" % ( ch_lev, cur[ch_lev-1] )
how_many_levels += 1
#print "\nHow Many Levels %d" % how_many_levels
sys.stdout.flush()
sys.stdout.flush()
if how_many_levels< 2:
while( idx_flag >= 0):
for num in range(level_ty+ty_lookup,table_Size+1):
#print "at top of loop, num is %d" % num
#print "cur[num] = '%s'" % cur[num-1]
if cur[num-1] != "":
idx = cur[num-1]
#print "idx '%s'" % idx
sys.stdout.flush()
curlev = find_cur_level(stmt,idx)
#print "curlev %d" % curlev
#print "\n[COPYTOREG]tile(%d,%d,%d)"%(stmt,curlev,level_tx)
chill.tile3(stmt, curlev, curlev)
curlev = find_cur_level(stmt,idx)
#print "curlev %d" % curlev
chill.tile3(stmt,curlev,level_tx)
#print "hehe '%s'" % cur[num-1]
cur = chill.cur_indices(stmt)
#print "Cur indices INSIDE",
#for c in cur:
# print "%s," % c,
table_Size = len(cur)
#print "\nTable Size is: %d" % len(cur)
level_tx = find_cur_level(stmt,"tx")
#print "\n level TX is: %d" % level_tx
level_ty = find_cur_level(stmt,ty_lookup_idx)
#print "\n level TY is: %d" %level_ty
idx_flag = -1
#print "idx_flag = -1"
#- find the level of the next valid index after ty+1
#- the following was num, which conflicts with loop we're already in, and otherwise wasn't used (?)
for num2 in range( -1 + level_ty+ty_lookup ,table_Size): # lua starts index at one
#print "num mucking num = %d" % num2
if(cur[num2] != ""):
#print "cur[%d] = '%s'" % ( num2, cur[num2] )
idx_flag = find_cur_level(stmt,cur[num2])
#print("\n(second) I am checking all indexes after ty+1 %s",cur[num2])
break
#print "num mucked to %d idx_flag = %d" % (num, idx_flag)
#print "at bottom of loop, num is %d" % num
#print "done with levels"
# this was a block comment ???
# for num in range(level_ty+1, table_Size+1):
# print "num %d" % num
# if cur[num-1] != "":
# idx_flag = find_cur_level(stmt,cur[num-1]) ## ugly
# print "idx_flag = %d" % idx_flag
# change this all to reflect the real logic which is to normalize all loops inside the thread loops.
# print "change this all ...\n"
# print "level_ty+1 %d table_Size-1 %d idx_flag %d" %( level_ty+1, table_Size-1, idx_flag)
# sys.stdout.flush()
# sys.stdout.flush()
# while level_ty+1 < (table_Size-1) and idx_flag >= 0:
# print "*** level_ty %d" % level_ty
# for num in range(level_ty+2,table_Size+1): # lua for includes second value
# print "num %d cur[num] %s" % (num, cur[num])
# if cur[num] != "":
# idx = cur[num]
# print "idx='%s'" % idx
# #print_code()
#print "ARE WE SYNCED HERE?"
#print_code()
# [Malik] end logic
start_level = find_cur_level(stmt, start_loop) # start_loop was passed parameter!
# We should hold constant any block or tile loop
block_idxs = chill.block_indices()
thread_idxs = chill.thread_indices()
#print"\nblock indices are"
#for index, val in enumerate(block_idxs):
# print "%d\t%s" % ( int(index)+1 , val )
#print"\nthread indices are"
#for index, val in enumerate(thread_idxs):
# print "%d\t%s" % ( int(index)+1 , val )
#print "\nStart Level: %d" % start_level
hold_constant = []
#print("\n Now in Blocks")
for idx in block_idxs:
blocklevel = find_cur_level(stmt,idx)
if blocklevel >= start_level:
hold_constant.append(idx)
#print "\nJust inserted block %s in hold_constant" %idx
#print("\n Now in Threads")
for idx in thread_idxs:
blocklevel = find_cur_level(stmt,idx)
if blocklevel >= start_level:
hold_constant.append(idx)
#print "\nJust inserted thread %s in hold_constant" %idx
#print "\nhold constant table is: "
#for index, val in enumerate(hold_constant):
# print "%d\t%s" % ( int(index)+1 , val )
#print("\nbefore datacopy pvt")
old_num_stmts = chill.num_statements()
#sys.stdout.flush()
#print "\n[DataCopy]datacopy_privatized(%d, %s, %s, " % (stmt, start_loop, array_name),
#print hold_constant,
#print ")"
passtoC = [stmt, start_loop, array_name ] # a list
passtoC.append( len(hold_constant ) )
for h in hold_constant:
passtoC.append( h )
chill.datacopy_privatized( tuple( passtoC ))
sys.stdout.flush()
sys.stdout.flush()
new_num_statements = chill.num_statements()
def normalize_index( index ):
#print "in cudaize.py, normalize_index( %s )" % index
stmt = 0 # assume stmt 0
l = find_cur_level( stmt, index )
chill.tile3( stmt, l, l )
def tile_by_index( tile_indices, sizes, index_names, final_order, tile_method):
#print "STARTING TILE BY INDEX"
#print "tile_by_index() tile_method ",
#print tile_method
#print "index_names: ",
#print index_names
stmt = 0 # assume statement 0
if not valid_indices( stmt, tile_indices):
print "python tile_by_index() one or more of ",
print tile_indices,
print " is not valid"
sys.exit(-1)
if tile_method == None:
#print "CREATING tile_method = 1"
tile_method = 1 # "counted"
tile_index_names = []
for ti in tile_indices:
tile_index_names.append( ti ) # make a copy?
#print "tile_index_names:",
#print tile_index_names
control_index_names = {} # a dictionary?
tile_index_map = {}
#print "index_names: "
#print index_names
for pair in index_names:
valid = False
control = pair[0]
name = pair[1]
#print "control %s name %s" % ( control, name )
if control[0] == "l" and control[1].isdigit():
if control.endswith("_control"):
index = int(control[1: -8])
control_index_names[index-1] = name
valid = True
elif control.endswith("_tile"):
index = int(control[1: -5])
#print "index %d" % index
tile_index_names[index-1] = name # ??
tile_index_map[name] = tile_indices[index-1]
valid = True
if not valid:
print "%s is not a proper key for specifying tile or control loop indices\n" % control
#print "control_index_names = ",
#print control_index_names
#print "tile_index_names = ",
#print tile_index_names
#print "before call to build_order(), tile_index_map = ",
#print tile_index_map
# filter out control indices (and do name substitution of unprocessed tile indices) for a given level
cur_order = build_order(final_order, tile_indices, control_index_names, tile_index_map, -1)
#print "returned from build_order python\n\n"
# print("permute("..stmt..", {"..list_to_string(cur_order).."})")
#print "permute(%d, {" % stmt,
#print "cur_order = ",
#print cur_order,
#print "})"
cur_order.insert(0, stmt)
#print cur_order
chill.permute( tuple( cur_order))
#print "in cudaize.py, returned from C code chill.permute()\n"
for i in range(len(tile_indices)):
cur_idx = tile_indices[i]
#print "i %d cur_idx %s calling build order ********" % (i, cur_idx)
cur_order = build_order( final_order, tile_indices, control_index_names, tile_index_map, i)
#print "cur_idx %s return from build order" % cur_idx
# Find an offset between tile loop and control loop
# 0 = control loop one level above tile loop
# -1 = control loop two levels above tile loop
# > 0 = tile loop above control loop
# In the last case, we do two extra tile commands to get the control
# above the tile and then rely on the final permute to handle the
# rest
level = find_cur_level(stmt,cur_idx)
#print "level %d\n" % level
offset = find_offset(cur_order, tile_index_names[i], control_index_names[i])
#print "offset %d" % offset
if offset <= 0:
#print "[offset<=0]1tile(%d, %d, %d, %d, %s, %s, %d)" % (stmt, level, sizes[i], level+offset, tile_index_names[i], control_index_names[i], tile_method )
chill.tile7( stmt, level, sizes[i], level+offset, tile_index_names[i], control_index_names[i], tile_method )
#print "in cudaize.py, returned from C code chill.tile7\n"
else:
#print "2tile(%d, %d, %d, %d, %s, %s, %d)" % (stmt, level, sizes[i], level+offset-1, tile_index_names[i], control_index_names[i], tile_method )
chill.tile7( stmt, level, sizes[i], level+offset-1, tile_index_names[i], control_index_names[i], tile_method ) # regular level
# flip and tile control loop
#print "3tile(%d, %d, %d)" % ( stmt, level+1, level+1)
chill.tile3( stmt, level+1, level+1)
#print "4tile(%d, %d, %d)" % ( stmt, level+1, level)
chill.tile3( stmt, level+1, level)
#print_code()
# Do permutation based on cur_order
#print("permute based on build order calling build_order()")
cur_order = build_order(final_order, tile_indices, control_index_names, tile_index_map, i)
#print("permute based on build order return from build_order()")
# print("permute("..stmt..", {"..list_to_string(cur_order).."})")
topermute = cur_order
topermute.insert(0, stmt)
chill.permute( tuple(topermute) )
