masters-thesis/op-summarizer/opsummarizer.py
Erki 12afc6633e
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2022-06-18 11:27:16 +03:00

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Python

import json
from dataclasses import asdict
from typing import Dict, List, Tuple
from gcovreader import GCovFile
from opfinderreader import OperationLogReader, UniqueOperation, OperationLog
class OpSummarizer:
def __init__(self, gcov_path: str, opfinder_path: str) -> None:
self.gcov = GCovFile(gcov_path)
self.ops = OperationLogReader(opfinder_path)
self.gcov.read()
self.ops.read()
self.model: Dict[UniqueOperation, Tuple[float, float]] = None
self.uncounted_estimates: Dict[UniqueOperation, int] = {}
self.energy_consumption_estimation = 0.0
self.execution_time_estimation = 0.0
def add_model(self, model_path: str) -> None:
with open(model_path, "r") as model_file:
data = json.load(model_file)
assert type(data) == list, "Model file did not contain a JSON list."
self.model = {}
for entry in data:
unique_op = OperationLog(**entry["unique_operation"]).entry
energy = entry["energy_consumption"]
time = entry["execution_time"]
self.model[unique_op] = [energy, time]
def count_operations(self, file: str) -> Dict[UniqueOperation, int]:
if file not in self.gcov.files or file not in self.ops.files:
print(f"Gcov files: {self.gcov.files.keys()}")
print(f"Opfinder files: {self.ops.files.keys()}")
raise RuntimeError(f"File {file} not in both parsers.")
op_counter: Dict[UniqueOperation, int] = {}
for gcov_line in self.gcov.files[file]:
op_lines = self.ops.get_lines(file, gcov_line.line_number)
for op_log in op_lines:
# TODO: revise this. Need a special case for for-loop clauses
# or branching in general.
if op_log.branch_number != gcov_line.branch_number:
continue
unique_op = op_log.entry
if unique_op in op_counter:
op_counter[unique_op] += gcov_line.count
else:
op_counter[unique_op] = gcov_line.count
return op_counter
def update_estimations(self, uops: Dict[UniqueOperation, int]) -> None:
assert self.model, "Model not populated."
for unique_op, op_count in uops.items():
if unique_op in self.model:
energy, time = self.model[unique_op]
self.energy_consumption_estimation += energy * op_count
self.execution_time_estimation += time * op_count
elif unique_op in self.uncounted_estimates:
self.uncounted_estimates[unique_op] += op_count
else:
self.uncounted_estimates[unique_op] = op_count
@staticmethod
def operation_count_to_json_dict(unique_ops: Dict[UniqueOperation, int]) -> List[Dict]:
out = []
for uo, uo_count in unique_ops.items():
d = asdict(uo)
d["count"] = uo_count
out.append(d)
return out
if __name__ == "__main__":
import argparse
parser = argparse.ArgumentParser(description="Merges gcovr and op-finder outputs.")
parser.add_argument("files", metavar="FILES", type=str, nargs="+",
help="The files to accumulate.")
parser.add_argument("--gcov", type=str, default="./data/gcov.json",
help="The gcovr json file to use.")
parser.add_argument("--finder", type=str, default="./data/opfinder.json",
help="The op-finder json file to use.")
parser.add_argument("--output", type=str, default=None, required=False,
help="The file to output the data to.")
parser.add_argument("--model", type=str, default=None, required=False,
help="The JSON file containing the system model.")
args = parser.parse_args()
summarizer = OpSummarizer(args.gcov, args.finder)
if args.model:
summarizer.add_model(args.model)
uops_dictionary = {}
total_num = 0
for file_name in args.files:
ops = summarizer.count_operations(file_name)
uops_dictionary[file_name] = summarizer.operation_count_to_json_dict(ops)
if args.model:
summarizer.update_estimations(ops)
print(f"Unique operations for file {file_name}:")
for uop, count in ops.items():
print(f"\t{count}: {uop}")
total_num += count
print("---------")
print(f"Total count: {total_num}")
if args.output:
with open(args.output, "w") as outfile:
json.dump(uops_dictionary, outfile)
if args.model:
power_usage_estimate = summarizer.energy_consumption_estimation
time_estimate = summarizer.execution_time_estimation
print("---------")
print(f"Total energy usage estimation: {power_usage_estimate} mJ\nTotal execution time estimation: {time_estimate} ms")
if summarizer.uncounted_estimates:
print("Operations not accounted for (missing from the model):")
for uop, count in summarizer.uncounted_estimates.items():
print(f"\t{uop}: {count}")
else:
print("No operations missing from the model.")