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geckoTranslate.py
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geckoTranslate.py
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import os,sys,re,glob,atexit
import geckoREUtilities as gREU
import geckoFileUtils as gFU
import copy
pragma_keyword = "gecko"
pragma_prefix = "GECKO"
pragma_prefix_funcname = "gecko"
preserveOriginalCodeAsComment = False
autoGenerateACCPragmas = True
def isFloat(stringInput):
try:
f = float(stringInput)
return True, f
except ValueError:
return False, 0
class SourceFile(object):
"""docstring for SourceFile"""
def __init__(self, filename):
super(SourceFile, self).__init__()
self.filename = filename
self.line_for_end = ""
self.parsing_region_state = 0
self.pragmaForRegion = ""
self.var_list = ""
self.variable_list_internal = ""
self.exec_pol = ""
self.exec_pol_type = ""
self.exec_pol_option = ""
self.at = '\"\"'
self.gang = False
self.gang_count = -1
self.vector = False
self.vector_count = -1
self.kernels = False
self.reduction_list = list()
self.intensity = ""
def processLocationType(self, keywords, lineNumber):
name = "-"
family = "X64"
micro_arch = '"-"'
num_cores = "0"
mem_size = '"-"'
mem_type = '"-"'
bandwidth = ""
i = 3
while i < len(keywords):
k = keywords[i].split("(")
if k[0] == "name":
name = k[1][:-1]
elif k[0] == "kind":
kind_text = k[1][:-1]
kind = kind_text.split(",")
family = kind[0].upper()
family = family[1:-1]
if len(kind) == 2:
micro_arch = kind[1].upper()
# micro_arch = micro_arch[1:-1]
if family not in ("X64", "X32", "NVIDIA", "UNIFIED_MEMORY", "PERMANENT_STORAGE"):
print "Line %d - Error in kind of locationtype - Unknown family (%s)" % (lineNumber, family)
exit(1)
elif k[0] == "num_cores":
num_cores = k[1][:-1]
elif k[0] == "mem" or k[0] == "size":
mem_text = k[1][:-1]
mem = mem_text.split(',')
mem_len = len(mem)
if mem_len == 1:
mem_size = mem[0].strip()
elif mem_len == 2:
mem_size = mem[0].strip()
mem_type = mem[1].strip()
else:
print "Line %d - Error in kind of locationtype - Unknown mem clause format (%s)" % (lineNumber, mem_text)
exit(1)
elif k[0] == "bandwidth": # "bandwidth" and "bw" are possible and mean the same
bandwidth = k[1][:-1]
elif k[0] == "bw":
bandwidth = k[1][:-1]
i += 1
bandwidth_is_float, bandwidth_val_float = isFloat(bandwidth)
if bandwidth_is_float:
bandwidth = bandwidth_val_float
else:
if bandwidth == '':
bandwidth = -1
line = '%sLocationtypeDeclare(%s, %s_%s, %s, %s, %s, %s, %s);\n' % (pragma_prefix_funcname, name, pragma_prefix, family, micro_arch, num_cores, mem_size, mem_type, bandwidth)
return line
def processLocation(self, keywords, lineNumber):
name = '"-"'
_type = ""
_all = 0
i = 3
name_list = []
while i < len(keywords):
k = keywords[i].split("(")
if k[0] == "name":
name = k[1][:-1].strip()
# if there is a comma in the name, so we have a list and not a range name
if "," in name:
name_list = name.split(",")
name_list = [(_n.strip(), -1, -1) for _n in name_list]
else:
name_range = name.split("[")
name = name_range[0]
start = end = -1
if len(name_range) > 1:
name = name[1:]
_range = name_range[1]
_range = _range[:-2]
start_end = _range.split(":")
start = start_end[0]
end = start_end[1]
name_list.append((name, start, end))
elif k[0] == "type":
_type = k[1][:-1]
elif k[0] == "all":
_all = 1
i += 1
line = ""
for n in name_list:
name = n[0]
start = n[1]
end = n[2]
if start != -1:
name = '"%s"' % (name)
line += '%sLocationDeclare(%s, %s, %d, %s, %s);\n' % (pragma_prefix_funcname, name, _type, _all, start, end)
return line
def processHierarchy(self, keywords, lineNumber):
parent = '""'
cmd = '+'
children = '""'
_all = 0
i = 3
name_list = []
while i < len(keywords):
k = keywords[i].split("(")
if k[0] == "children":
cmd_children = k[1][:-1]
cmd_children = cmd_children.split(":")
cmd = cmd_children[0]
if len(cmd) == 1 and cmd not in ['+', '-']:
print "Line %d - Unknown keyword in children clause (%s)." % (lineNumber, cmd)
exit(1)
if len(cmd) > 1 and ("'" in cmd or '"' in cmd):
print "Line %d - Unknown keyword in children clause (%s)." % (lineNumber, cmd)
exit(1)
if len(cmd) == 1:
cmd = "'%s'" % (cmd)
if len(cmd_children) > 2:
children = ':'.join(cmd_children[1:])
else:
children = cmd_children[1]
if "," in children:
name_list = children.split(",")
name_list = [(_n.strip(), -1, -1) for _n in name_list]
else:
name_range = children.split("[")
name = name_range[0]
start = end = -1
if len(name_range) > 1:
name = name[1:]
_range = name_range[1]
_range = _range[:-2]
start_end = _range.split(":")
start = start_end[0]
end = start_end[1]
name_list.append((name, start, end))
elif k[0] == "parent":
parent = k[1][:-1]
if len(parent.split(",")) > 1:
print "Line %d - Error in parent name - Only one parent should be specified (%s)" % (lineNumber, parent)
exit(1)
elif k[0] == "all":
_all = 1
i += 1
line = ""
for n in name_list:
name = n[0]
start = n[1]
end = n[2]
if start != -1:
name = '"%s"' % (name)
line += '%sHierarchyDeclare(%s, %s, %s, %d, %s, %s);\n' % (pragma_prefix_funcname, cmd, name, parent, _all, start, end)
return line
def processMemory(self, keywords, lineNumber):
name = "-"
_type = ""
loc = '""'
tile = ""
varToFree = ""
varToFreeObj = ""
distance = ""
distance_level = -1 # one-based index (starts from 1)
distance_alloc_type = "" # auto or realloc?
copy_op = False
move_var = ""
register_var = ""
unregister_var = ""
loc_kw = ""
from_var = ""
to_var = ""
is_auto = False
is_realloc = False
filename_permanent = None
i = 3
while i < len(keywords):
k = keywords[i].split("(")
if k[0] == "allocate":
name = k[1][:-1]
elif k[0] == "type":
_type = k[1][:-1]
elif k[0] == "location":
loc = k[1][:-1]
elif k[0] == "distance":
distance = k[1][:-1]
elif k[0] == "free":
varToFree = k[1][:-1]
elif k[0] == "freeobj":
varToFreeObj = k[1][:-1]
elif k[0] == "register":
register_var = k[1][:-1]
elif k[0] == "unregister":
unregister_var = k[1][:-1]
elif k[0] == "loc":
loc_kw = k[1][:-1]
elif k[0] == "copy":
copy_op = True
elif k[0] == "move":
move_var = k[1][:-1]
elif k[0] == "from":
from_var = k[1][:-1]
elif k[0] == "to":
to_var = k[1][:-1]
elif k[0] == "auto":
is_auto = True
elif k[0] == "realloc":
is_realloc = True
elif k[0] == "file":
filename_permanent = k[1][:-1]
i += 1
# Taking care of freeing a variable
if varToFree != "":
varList = varToFree.split(",")
line = ""
for v in varList:
if len(v)>0:
line += "%sFree(%s);\n" % (pragma_prefix_funcname, v)
return line
elif varToFreeObj != "":
varList = varToFreeObj.split(",")
line = ""
for v in varList:
if len(v)>0:
line += "%s.freeMem();\n" % (v)
return line
# Taking care of copying a variable
if copy_op:
from_var_result = gREU.parseVariableString(from_var)
if from_var_result is None:
print "Line: %d - Unable to extract variable name and its corresponding range for '%s' keyword." % (lineNumber, 'from')
exit(1)
to_var_result = gREU.parseVariableString(to_var)
if to_var_result is None:
print "Line: %d - Unable to extract variable name and its corresponding range for '%s' keyword." % (lineNumber, 'to')
exit(1)
line = '%sMemCpy(%s, %s, %s, %s, %s, %s);\n' % (pragma_prefix_funcname, to_var_result[0], to_var_result[1], to_var_result[2], from_var_result[0], from_var_result[1], from_var_result[2])
return line
# Taking care of moving variable around
if move_var != "":
if to_var == "":
print "Line: %d - Unable to extract destination location." % (lineNumber)
exit(1)
line = '%sMemMove((void**) &%s, %s);\n' % (pragma_prefix_funcname, move_var, to_var)
return line
# Taking care of registering variables
if register_var != "":
register_var_result = gREU.parseVariableString(register_var)
if register_var_result is None:
print "Line: %d - Unable to extract variable name and its corresponding range for '%s' keyword." % (lineNumber, 'register')
exit(1)
if loc_kw == "":
print "Line: %d - Unable to extract destination location." % (lineNumber)
exit(1)
if _type == "":
print "Line: %d - Unable to extract the type." % (lineNumber)
exit(1)
line = '%sMemRegister(%s, %s, %s, sizeof(%s), %s);\n' % (pragma_prefix_funcname, register_var_result[0], register_var_result[1], register_var_result[2], _type, loc_kw)
return line
# Taking care of unregistering variables
if unregister_var != "":
line = '%sMemUnregister(%s);\n' % (pragma_prefix_funcname, unregister_var)
return line
# Taking care of distances
if is_auto and is_realloc:
print "Line: %d - 'auto' and 'realloc' should not be set simultaneously." % (lineNumber)
exit(1)
# default behavior is "realloc"
if not is_auto and not is_realloc:
is_realloc = True
if is_auto:
distance_alloc_type = "GECKO_DISTANCE_ALLOC_TYPE_AUTO"
elif is_realloc:
distance_alloc_type = "GECKO_DISTANCE_ALLOC_TYPE_REALLOC"
if distance == "":
distance = "GECKO_DISTANCE_NOT_SET"
elif "near" in distance:
distance = "GECKO_DISTANCE_NEAR"
elif "far" in distance:
dist_list = distance.split(":")
distance = "GECKO_DISTANCE_FAR"
distance_level = 1
if len(dist_list) > 1:
distance_level = dist_list[1]
else:
distance = "GECKO_DISTANCE_UNKNOWN"
if name is None:
print "Line %d - Cannot recognize the variable %s" % (lineNumber, name)
exit(1)
name_list = gREU.parseVariableString(name)
if name_list is None:
print "Line %d - Cannot recognize the variable %s" % (lineNumber, name)
exit(1)
name = name_list[0]
# name_list[1] should always be 0!
count = name_list[2]
if filename_permanent is None:
filename_permanent = 'NULL'
if "gecko_" in _type:
line = '%sMemoryInternalTypeDeclare(%s, sizeof(%s), %s, %s, %s, %s, %s);\n' % (pragma_prefix_funcname, name, _type[6:], count, loc, distance, distance_level, distance_alloc_type)
else:
line = '%sMemoryDeclare((void**)&%s, sizeof(%s), %s, %s, %s, %s, %s, %s);\n' % (pragma_prefix_funcname, name, _type, count, loc, distance, distance_level, distance_alloc_type, filename_permanent)
return line
def processRegion(self, keywords, lineNumber):
at = ""
exec_pol = ""
exec_pol_int = ""
var_list = ""
variable_list_internal = ""
end = False
wait = False
gang = False
gang_count = -1
vector = False
vector_count = -1
kernels = False
reduction_list = list()
intensity = ""
collapse = ""
independent_loop = ""
i = 3
while i < len(keywords):
k = keywords[i].split("(")
if k[0] == "at":
at = k[1][:-1]
elif k[0] == "exec_pol":
exec_pol = k[1][:-1]
elif k[0] == "exec_pol_int":
exec_pol_int = k[1][:-1]
elif k[0] == "variable_list":
var_list = k[1][:-1]
elif k[0] == "variable_list_internal":
variable_list_internal = k[1][:-1]
elif k[0] == "end":
end = True
elif k[0] == "pause":
wait = True
elif k[0] == "gang":
gang = True
if len(k) > 1:
gang_count = int(k[1][:-1])
elif k[0] == "vector":
vector = True
if len(k) > 1:
vector_count = int(k[1][:-1])
elif k[0] == "kernels":
kernels = True
elif k[0] == "reduction":
reduction_list.append(k[1][:-1])
elif k[0] == "intensity":
intensity = k[1][:-1]
elif k[0] == "collapse":
collapse = "collapse(%s)" % (k[1][:-1])
elif k[0] == "independent":
independent_loop = "independent"
i += 1
if end:
self.parsing_region_state = -1
return self.parseRegionKernel(keywords, lineNumber)
elif wait:
if at == "":
at = '""'
line = "%sWaitOnLocation(%s);\n" % (pragma_prefix_funcname, at)
return line
if len(exec_pol) > 0 and len(exec_pol_int) > 0:
print "Line: %d - Cannot have 'exec_pol' and 'exec_pol_int' at the same time." % (lineNumber)
exit(1)
if (gang or vector) and kernels:
print "Line: %d - the 'kernels' contruct in OpenACC could not be utilized while 'gang' and 'vector' are chosen." % (lineNumber)
exit(1)
self.gang = gang
self.gang_count = gang_count
self.vector = vector
self.vector_count = vector_count
self.kernels = kernels
self.reduction_list = reduction_list
self.var_list = var_list
self.variable_list_internal = variable_list_internal
intensity_is_float, intensity_val_float = isFloat(intensity)
if intensity_is_float:
intensity = intensity_val_float
else:
if intensity == '':
intensity = -1
self.intensity = intensity
self.exec_pol = exec_pol
if at == '':
at = '""'
self.at = at
if "range" in exec_pol:
pol = gREU.parseRangePolicy("range", exec_pol)
if pol is None:
pol = exec_pol.split(":")[1][:-1]
if "," not in pol:
print "Line: %d - 'Range' execution policy should include the ranges." % (lineNumber)
exit(1)
self.exec_pol_type = "runtime"
else:
self.exec_pol_type = "array"
self.exec_pol = '"range"'
self.exec_pol_option = pol
elif "percentage" in exec_pol:
pol = gREU.parseRangePolicy("percentage", exec_pol)
if pol is None:
pol = exec_pol.split(":")[1][:-1]
print pol
if "," not in pol:
print "Line: %d - 'Percentage' execution policy should include the percentages." % (lineNumber)
exit(1)
self.exec_pol_type = "runtime"
else:
self.exec_pol_type = "array"
self.exec_pol = '"percentage"'
self.exec_pol_option = pol
if autoGenerateACCPragmas:
self.parsing_region_state = 2
else:
self.parsing_region_state = 1
return ""
def generateRangeLine(self):
range_line_begin = ""
range_line_end = ""
if self.exec_pol == '"range"':
if self.exec_pol_type == "array":
range_arr = self.exec_pol_option.split(',')
ranges_count = "%d" % (len(range_arr))
range_line_begin = "int ranges_count = %s;\n" % (ranges_count)
range_line_begin += "float *ranges = (float*) malloc(sizeof(float) * ranges_count);\n"
for i, a in enumerate(range_arr):
range_line_begin += "ranges[%d] = %s;\n" % (i, a)
range_line_end = "free(ranges);\n"
elif self.exec_pol_type == "runtime":
arr = self.exec_pol_option.split(',')
ranges_count = arr[0]
range_name = arr[1]
range_line_begin = "int ranges_count = %s;\n" % (ranges_count)
range_line_begin += "float *ranges = &%s[0];\n" % (range_name)
elif self.exec_pol == '"percentage"':
if self.exec_pol_type == "array":
range_arr = self.exec_pol_option.split(',')
ranges_count = "%d" % (len(range_arr))
range_line_begin = "int ranges_count = %s;\n" % (ranges_count)
range_line_begin += "float *ranges = (float*) malloc(sizeof(float) * ranges_count);\n"
for i, a in enumerate(range_arr):
range_line_begin += "ranges[%d] = %s;\n" % (i, a)
range_line_end = "free(ranges);\n"
elif self.exec_pol_type == "runtime":
arr = self.exec_pol_option.split(',')
ranges_count = arr[0]
range_name = arr[1]
range_line_begin = "int ranges_count = %s;\n" % (ranges_count)
range_line_begin += "float *ranges = &%s[0];\n" % (range_name)
else:
range_line_begin = "int ranges_count = 0;\n"
range_line_begin += "float *ranges = NULL;\n"
return range_line_begin, range_line_end
def generateVarLine(self):
temp_varList = self.var_list.split(",")
varList2 = []
for v in temp_varList:
v = v.strip()
if v == "":
continue
varList2.append(v)
temp_varList = varList2
var_line_before = ""
var_line_after = ""
var_line_end = ""
var_line_before += "int var_count = %d;\n" % (len(temp_varList))
if len(temp_varList) == 0:
var_line_before += "void **var_list = NULL;\n"
var_line_before += "void **old_var_list = NULL;\n"
else:
var_line_before += "void **var_list = (void **) malloc(sizeof(void*) * var_count);\n"
var_line_before += "void **old_var_list = (void **) malloc(sizeof(void*) * var_count);\n"
# var_line_before += "int __v_id = 0;\n"
# for v in temp_varList:
# var_line_before += "var_list[__v_id] = %s;\n" % (v)
# var_line_before += "__v_id++;\n"
for v_index, v in enumerate(temp_varList):
var_line_before += "old_var_list[%d] = var_list[%d] = %s;\n" % (v_index, v_index, v)
# var_line_after += "%s = var_list[%d];\n" % (v, v_index)
var_line_after += "memcpy((void**) &%s, &var_list[%d], sizeof(void*));\n" % (v, v_index)
# var_line_end += "%s = old_var_list[%d];\n" % (v, v_index)
var_line_end += "memcpy((void**) &%s, &old_var_list[%d], sizeof(void*));\n" % (v, v_index)
return var_line_before, var_line_after, var_line_end
def generateVarListInternalClause(self):
varList = self.variable_list_internal.split(",")
varList2 = []
for v in varList:
v = v.strip()
if v == "":
continue
varList2.append(v)
varList = varList2
var_clause = ""
for v in varList:
var_clause += "%s[0:1]," % (v)
if len(varList) > 0:
var_clause = var_clause[0:-1]
return var_clause
def generatePragmaAccClause(self):
if self.kernels:
return "#pragma acc kernels"
pragma = "#pragma acc parallel loop "
if self.gang:
pragma += "gang "
if self.gang_count > 0:
pragma += "num_gangs(%d) " % (self.gang_count)
if self.vector:
pragma += "vector "
if self.vector_count > 0:
pragma += "vector_length(%d) " % (self.vector_count)
reduction_stmt = ""
for reduc in self.reduction_list:
reduction_stmt += " reduction(%s) " % (reduc)
pragma += reduction_stmt
return pragma, reduction_stmt
def parseRegionKernel(self, keywords, lineNumber):
if self.parsing_region_state == -1:
# we are dealing with the OpenACC pragma line after our directive
var_list_line_before, var_list_line_after, var_list_line_end = self.generateVarLine()
ret = ""
# ret += "#pragma acc wait(devIndex)\ngeckoUnsetBusy(dev[devIndex]);\n"
ret += "#pragma acc wait(asyncID)\n"
ret += "} // end of if(dev[devIndex]!=NULL)\n"
ret += "} // end of OpenMP pragma \n"
ret += "} // end of checking: err != GECKO_ERR_TOTAL_ITERATIONS_ZERO \n"
ret += var_list_line_end
ret += "geckoFreeRegionTemp(beginLoopIndex, endLoopIndex, devCount, dev, var_count, var_list, old_var_list);\n"
ret += "}\n"
self.parsing_region_state = 0
return ret
elif self.parsing_region_state == 1:
# we are dealing with the OpenACC pragma line after our directive
line = ' '.join(keywords)
restOfPragma = gREU.parsePragmaACC(line)
if restOfPragma is None or restOfPragma == "":
print "Line: %d - After '#pragma %s', an OpenACC pragma should exist." % (lineNumber, pragma_keyword)
exit(1)
self.parsing_region_state = 2
self.pragmaForRegion = "#pragma acc %s" % (restOfPragma)
return ""
elif self.parsing_region_state == 2:
# we are dealing with for loop after OpenACC pragma and after our directive
line = ' '.join(keywords)
for_loop = gREU.parseForLoop(line)
if for_loop is None:
print "Line: %d - Unrecognizable for-loop format. [%s]" % (lineNumber, str(for_loop))
exit(1)
(datatype, varname, initval, varcond, cond, boundary, inc, paranthesis) = for_loop
# print "for_loop:",for_loop
incremental_direction = None
for c in ["++", "+=", "*="]:
if c in inc:
incremental_direction = 1
for c in ["--", "-=", "/="]:
if c in inc:
incremental_direction = 0
if incremental_direction is None:
print "Line: %d - Unknown iteration statment. Unrecognizable for-loop format." % (lineNumber)
exit(1)
has_equal_sign = 0
if "=" in cond:
has_equal_sign = 1
if datatype is None:
datatype = ""
range_line_begin = ""
range_line_end = ""
range_line_begin, range_line_end = self.generateRangeLine()
var_list_line_before, var_list_line_after, var_list_line_end = self.generateVarLine()
var_list_internal_clause = self.generateVarListInternalClause()
reduction_stmt_omp = ""
# The following line corresponds to the new approach: no "#pragma acc" by the user!
# The "#pragma gecko region" will generate it!
if autoGenerateACCPragmas:
self.pragmaForRegion, reduction_stmt_omp = self.generatePragmaAccClause()
line = '{\n'
line += "int *beginLoopIndex=NULL, *endLoopIndex=NULL, jobCount, devCount, devIndex;\n"
line += "GeckoLocation **dev = NULL;\n"
line += range_line_begin # this line contains 'ranges_count' and 'ranges'
line += var_list_line_before
line += 'GeckoError err = %sRegion(%s, %s, %s, %s, %d, %d, &devCount, &beginLoopIndex, &endLoopIndex, &dev, ranges_count, ranges, var_count, var_list, %s);\n' \
% (pragma_prefix_funcname, self.exec_pol, self.at, initval, boundary, incremental_direction, has_equal_sign, self.intensity)
line += var_list_line_after
line += range_line_end
# line += "geckoRegionDistribute(&devCount, beingID, endID);\n"
# if self.exec_pol in ['"range"', '"percentage"']:
# line += "jobCount = ranges_count;\n"
# else:
# line += "jobCount = devCount;\n"
line += "jobCount = devCount;\n"
line += "if(err != GECKO_ERR_TOTAL_ITERATIONS_ZERO) {\n"
# line += "for(devIndex=0;devIndex < jobCount;devIndex++) \n"
line += "#pragma omp parallel num_threads(jobCount) %s\n" % (reduction_stmt_omp)
line += "{\n"
line += "int devIndex = omp_get_thread_num();\n"
# line += "%sSetDevice(dev[devIndex]);\n" % (pragma_prefix_funcname)
line += "if(dev[devIndex] != NULL) {\n"
#line += "%sBindLocationToThread(devIndex, dev[devIndex]);\n" % (pragma_prefix_funcname)
line += "int beginLI = beginLoopIndex[devIndex], endLI = endLoopIndex[devIndex];\n"
line += "int asyncID = dev[devIndex]->getAsyncID();\n"
line += "int locType = (int) dev[devIndex]->getLocationType().type;\n"
# generating OpenMP
# line += "if(locType == GECKO_X32 || locType == GECKO_X64) {\n"
line += "%s deviceptr(%s) async(asyncID) " % (self.pragmaForRegion, self.var_list)
if var_list_internal_clause == "":
line += "\n"
else:
line += " copyin(%s)\n" % (var_list_internal_clause)
line += "for(%s %s = %s;%s %s %s;%s)" % (datatype, varname, "beginLI", varcond, cond, "endLI", inc)
if paranthesis is None:
line += "\n"
else:
line += " {\n"
self.parsing_region_state = 0
return line
return None
def extractVarList(self):
temp_varList = self.var_list.split(",")
varList2 = []
for v in temp_varList:
v = v.strip()
if v == "":
continue
varList2.append(v)
return varList2
def generatePragmaAccOmpClauseNewApproach(self, presentClause, collapse, independent_loop):
reduction_stmt = ""
for reduc in self.reduction_list:
reduction_stmt += " reduction(%s) " % (reduc)
privateVars = self.extractVarList()
privateVarsString = ""
if len(privateVars) != 0:
for pv in privateVars:
privateVarsString += "%s," % (pv)
if len(privateVarsString) > 0:
privateVarsString = " firstprivate(%s) " % (privateVarsString[:-1])
pragmaACC = ""
if self.kernels:
pragmaACC = "#pragma acc kernels"
else:
pragmaACC = "#pragma acc parallel loop "
if self.gang:
pragmaACC += "gang "
if self.gang_count > 0:
pragmaACC += "num_gangs(%d) " % (self.gang_count)
if self.vector:
pragmaACC += "vector "
if self.vector_count > 0:
pragmaACC += "vector_length(%d) " % (self.vector_count)
pragmaACC += "%s %s async(asyncID) %s %s" % (reduction_stmt, presentClause, collapse, independent_loop)
pragmaOMP = "#pragma omp parallel for " + reduction_stmt
return pragmaACC, pragmaOMP, reduction_stmt, privateVarsString
def generateDevicePtrClause(self):
temp_varList = self.extractVarList()
if len(temp_varList) == 0:
return ""
presentStr = ""
for p in temp_varList:
presentStr += "%s," % p
presentStr = presentStr[:-1]
return "deviceptr(%s)" % (presentStr)
def processRegionNewApproach(self, keywords, lineNumber, lines_list):
at = ""
exec_pol = ""
exec_pol_int = ""
var_list = ""
variable_list_internal = ""
end = False
wait = False
gang = False
gang_count = -1
vector = False
vector_count = -1
kernels = False
reduction_list = list()
intensity = ""
collapse = ""
independent_loop = ""
# parsing the region line:
i = 3
while i < len(keywords):
k = keywords[i].split("(")
if k[0] == "at":
at = k[1][:-1]
elif k[0] == "exec_pol":
exec_pol = k[1][:-1]
elif k[0] == "exec_pol_int":
exec_pol_int = k[1][:-1]
elif k[0] == "variable_list":
var_list = k[1][:-1]
elif k[0] == "variable_list_internal":
variable_list_internal = k[1][:-1]
elif k[0] == "end":
end = True
elif k[0] == "pause":
wait = True
elif k[0] == "gang":
gang = True
if len(k) > 1:
gang_count = int(k[1][:-1])
elif k[0] == "vector":
vector = True
if len(k) > 1:
vector_count = int(k[1][:-1])
elif k[0] == "kernels":
kernels = True
elif k[0] == "reduction":
reduction_list.append(k[1][:-1])
elif k[0] == "intensity":
intensity = k[1][:-1]
elif k[0] == "collapse":
collapse = "collapse(%s)" % (k[1][:-1])
elif k[0] == "independent":
independent_loop = "independent"
i += 1
if wait:
if at == "":
at = '""'
line = "%sWaitOnLocation(%s);\n" % (pragma_prefix_funcname, at)
return line, lineNumber
if len(exec_pol) > 0 and len(exec_pol_int) > 0:
print "Line: %d - Cannot have 'exec_pol' and 'exec_pol_int' at the same time." % (lineNumber)
exit(1)
if (gang or vector) and kernels:
print "Line: %d - the 'kernels' contruct in OpenACC could not be utilized while 'gang' and 'vector' are chosen." % (lineNumber)
exit(1)
self.gang = gang
self.gang_count = gang_count
self.vector = vector
self.vector_count = vector_count
self.kernels = kernels
self.reduction_list = reduction_list
self.var_list = var_list
self.variable_list_internal = variable_list_internal
intensity_is_float, intensity_val_float = isFloat(intensity)
if intensity_is_float:
intensity = intensity_val_float
else:
if intensity == '':
intensity = -1
self.intensity = intensity
self.exec_pol = exec_pol
if at == '':
at = '""'
self.at = at
if "range" in exec_pol:
pol = gREU.parseRangePolicy("range", exec_pol)
if pol is None:
pol = exec_pol.split(":")[1][:-1]
if "," not in pol:
print "Line: %d - 'Range' execution policy should include the ranges." % (lineNumber)
exit(1)
self.exec_pol_type = "runtime"
else:
self.exec_pol_type = "array"
self.exec_pol = '"range"'
self.exec_pol_option = pol
elif "percentage" in exec_pol:
pol = gREU.parseRangePolicy("percentage", exec_pol)
if pol is None:
pol = exec_pol.split(":")[1][:-1]