MNN/source/backend/opencl/execution/cl/opencl_codegen.py

111 lines
4.7 KiB
Python

import os
import sys
import re
import hashlib
major_py_ver = sys.version_info.major
def generate_md5(input_str: str) -> str:
encoded = input_str.encode('utf-8')
md5_hash = hashlib.md5()
md5_hash.update(encoded)
return md5_hash.hexdigest()
def convert_string_to_hex_list(code_str):
hex_list = []
for i in range(len(code_str)):
hex_ = hex(ord(code_str[i]))
hex_list.append(hex_)
return hex_list
def opencl_codegen():
cl_kernel_dir = sys.argv[1]
print("Generating OpenCL Kernels in "+cl_kernel_dir+" to this file")
if not os.path.exists(cl_kernel_dir):
print(cl_kernel_dir + " doesn't exist!")
opencl_source_hpp = "#include <map> \n"
opencl_source_hpp += "#include <string> \n"
opencl_source_hpp += "#include <vector> \n"
opencl_source_hpp += "namespace MNN { \n"
opencl_source_map_hpp = "const std::map<std::string, const char*> OpenCLProgramMap = \n { \n"
opencl_md5_map_hpp = "const std::map<std::string, std::string> OpenCLProgramMd5Map = \n { \n"
spaceReg = re.compile(' +')
for file_name_all in os.listdir(cl_kernel_dir):
file_path = os.path.join(cl_kernel_dir, file_name_all)
if file_path[-3:] == ".cl":
with open(file_path, "r", encoding = 'utf-8') as f:
file_name = file_name_all[:-3]
opencl_source_map = "#include \"opencl_source_map.hpp\" \n"
opencl_source_map += "namespace MNN { \n"
if file_name[-4:] == "_buf":
opencl_source_map += "#ifndef MNN_OPENCL_BUFFER_CLOSED\n"
opencl_source_hpp += "#ifndef MNN_OPENCL_BUFFER_CLOSED\n"
opencl_source_map_hpp += "#ifndef MNN_OPENCL_BUFFER_CLOSED\n"
if file_name[-13:] == "_subgroup_buf":
opencl_source_map += "#ifdef MNN_SUPPORT_INTEL_SUBGROUP\n"
opencl_source_hpp += "#ifdef MNN_SUPPORT_INTEL_SUBGROUP\n"
opencl_source_map_hpp += "#ifdef MNN_SUPPORT_INTEL_SUBGROUP\n"
opencl_source_hpp += "extern const char* " + file_name + ";\n"
opencl_source_map += "const char* " + file_name + " = \n"
opencl_source_map_hpp += " { \"" + file_name + "\", " + file_name + " },\n"
md5_orig_str = str()
lines = f.read().split("\n")
for l in lines:
if (len(l) < 1):
continue
if l.find('printf') >= 0:
l = l.replace('\"', '\\\"')
l = l.replace('\\n', '\\\\n')
opencl_source_map += "\""+l+"\"\n"
md5_orig_str += l
elif l.find('\\') >= 0:
l = l.replace('\\', '')
l = spaceReg.sub(' ', l)
opencl_source_map += "\""+l+"\""
md5_orig_str += l
else:
l = l.replace('\t', '')
l = spaceReg.sub(' ', l)
l = l.replace(', ', ',')
l = l.replace(' = ', '=')
l = l.replace(' + ', '+')
l = l.replace(' - ', '-')
l = l.replace(' * ', '*')
l = l.replace(' / ', '/')
l = l.replace(' < ', '<')
l = l.replace(' > ', '>')
md5_orig_str += l + "\n"
l = l + "\\n"
opencl_source_map += "\""+l+"\"\n"
opencl_source_map += ";\n"
if file_name[-4:] == "_buf":
opencl_source_map += "#endif\n"
opencl_source_hpp += "#endif\n"
opencl_source_map_hpp += "#endif\n"
if file_name[-13:] == "_subgroup_buf":
opencl_source_map += "#endif\n"
opencl_source_hpp += "#endif\n"
opencl_source_map_hpp += "#endif\n"
opencl_source_map += "}\n"
opencl_md5_map_hpp += " { \"" + file_name + "\", \"" + generate_md5(md5_orig_str) + "\" },\n"
#write into cpp
output_path = file_path[:-3] + "_mnn_cl.cpp"
with open(output_path, "w") as cpp_file:
cpp_file.write(opencl_source_map)
#write into hpp
opencl_source_map_hpp += "};\n"
opencl_source_map_hpp += "}\n"
opencl_md5_map_hpp += "};\n"
with open("opencl_source_map.hpp", "w") as w_file:
w_file.write(opencl_source_hpp)
w_file.write(opencl_source_map_hpp)
w_file.write(opencl_md5_map_hpp)
print("Generate OpenCL Source done !!! \n")
if __name__ == '__main__':
opencl_codegen()