Files
OSACA/osaca/api/kerncraft_interface.py
2019-08-20 18:50:57 +02:00

56 lines
2.2 KiB
Python
Executable File

#!/usr/bin/env python3
import collections
from osaca.frontend import Frontend
from osaca.parser import ParserAArch64v81, ParserX86ATT
from osaca.semantics import (INSTR_FLAGS, KernelDG, MachineModel, SemanticsAppender,
reduce_to_section)
class KerncraftAPI(object):
def __init__(self, arch):
self.machine_model = MachineModel(arch=arch)
self.semantics = SemanticsAppender(self.machine_model)
isa = self.machine_model.get_ISA().lower()
if isa == 'aarch64':
self.parser = ParserAArch64v81()
elif isa == 'x86':
self.parser = ParserX86ATT()
def analyze_code(self, code):
parsed_code = self.parser.parse_file(code)
kernel = reduce_to_section(parsed_code, self.machine_model.get_ISA())
for i in range(len(kernel)):
self.semantics.assign_src_dst(kernel[i])
self.semantics.assign_tp_lt(kernel[i])
return kernel
def create_output(self, kernel, show_lineno=False):
kernel_graph = KernelDG(kernel, self.parser, self.machine_model)
frontend = Frontend(arch=self.machine_model.get_arch())
frontend.print_throughput_analysis(kernel, show_lineno=show_lineno)
frontend.print_latency_analysis(kernel_graph.get_critical_path())
def get_unmatched_instruction_ratio(self, kernel):
unmatched_counter = 0
for instruction in kernel:
if (
INSTR_FLAGS.TP_UNKWN in instruction['flags']
and INSTR_FLAGS.LT_UNKWN in instruction['flags']
):
unmatched_counter += 1
return unmatched_counter / len(kernel)
def get_port_occupation_cycles(self, kernel):
throughput_values = self.semantics.get_throughput_sum(kernel)
port_names = self.machine_model['ports']
return collections.OrderedDict(list(zip(port_names, throughput_values)))
def get_total_throughput(self, kernel):
return max(self.semantics.get_throughput_sum(kernel))
def get_latency(self, kernel):
kernel_graph = KernelDG(kernel, self.parser, self.machine_model)
return sum([x if x['latency'] is not None else 0 for x in kernel_graph])