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This commit is contained in:
Julian Hammer
2019-10-14 17:08:40 +02:00
parent 85dd53dc4e
commit 1c673382b4
3 changed files with 118 additions and 164 deletions
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84
osaca/semantics/hw_model.py
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@@ -2,28 +2,46 @@
import os
import re
from itertools import product
from ruamel import yaml
from osaca import utils
from osaca import utils, __version__
from osaca.parser import ParserX86ATT
class MachineModel(object):
def __init__(self, arch=None, path_to_yaml=None):
if not arch and not path_to_yaml:
raise ValueError('Either arch or path_to_yaml required.')
if arch and path_to_yaml:
raise ValueError('Only one of arch and path_to_yaml is allowed.')
self._path = path_to_yaml
self._arch = arch
if arch:
self._arch = arch.lower()
with open(utils.find_file(self._arch+'.yml'), 'r') as f:
self._data = yaml.load(f, Loader=yaml.Loader)
elif path_to_yaml:
with open(self._path, 'r') as f:
self._data = yaml.load(f, Loader=yaml.Loader)
self._data = {
'osaca_version': str(__version__),
'micro_architecture': None,
'arch_code': None,
'isa': None,
'ROB_size': None,
'retired_uOps_per_cycle': None,
'scheduler_size': None,
'hidden_loads': None,
'load_latency': {},
'load_throughput': [
{'base': b, 'index': i, 'offset': o, 'scale': s, 'port_pressure': []}
for b, i, o, s in product(['gpr'], ['gpr', None], ['imd', None], [1, 8])],
'ports': [],
'port_model_scheme': None,
'instruction_forms': [],
}
else:
if arch and path_to_yaml:
raise ValueError('Only one of arch and path_to_yaml is allowed.')
self._path = path_to_yaml
self._arch = arch
if arch:
self._arch = arch.lower()
with open(utils.find_file(self._arch+'.yml'), 'r') as f:
self._data = yaml.load(f, Loader=yaml.Loader)
elif path_to_yaml:
with open(self._path, 'r') as f:
self._data = yaml.load(f, Loader=yaml.Loader)
def __getitem__(self, key):
"""Return configuration entry."""
@@ -36,20 +54,51 @@ class MachineModel(object):
######################################################
def get_instruction(self, name, operands):
"""Find and return instruction data from name and operands."""
if name is None:
return None
try:
return next(
instruction_form
for instruction_form in self._data['instruction_forms']
if instruction_form['name'].lower() == name.lower()
if instruction_form['name'].upper() == name.upper()
and self._match_operands(instruction_form['operands'], operands)
)
except StopIteration:
return None
except TypeError:
except TypeError as e:
print('\nname: {}\noperands: {}'.format(name, operands))
raise TypeError
raise TypeError from e
def average_port_pressure(self, port_pressure):
"""Construct average port pressure list from instruction data."""
port_list = self._data['ports']
average_pressure = [0.0]*len(port_list)
for cycles, ports in port_pressure:
for p in ports:
average_pressure[port_list.index(p)] += cycles/len(ports)
return average_pressure
def set_instruction(self, name, operands,
latency=None, port_pressure=None, throughput=None, uops=None):
"""Import instruction form information."""
# If it already exists. Overwrite information.
instr_data = self.get_instruction(name, operands)
if instr_data is None:
instr_data = {}
self._data['instruction_forms'].append(instr_data)
instr_data['name'] = name
instr_data['operands'] = operands
instr_data['latency'] = latency
instr_data['port_pressure'] = port_pressure
instr_data['throughput'] = throughput
instr_data['uops'] = uops
def add_port(self, port):
if port not in self._data['ports']:
self._data['ports'].append(port)
def get_ISA(self):
return self._data['isa']
@@ -103,6 +152,9 @@ class MachineModel(object):
return arch_dict[arch].lower()
return None
def dump(self):
return yaml.dump(self._data, Dumper=yaml.Dumper, allow_unicode=True)
######################################################
def _check_for_duplicate(self, name, operands):