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bench.py
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bench.py
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"""
benchmark asammdf vs mdfreader
"""
import argparse
from io import StringIO
import multiprocessing
import os
import platform
import sys
import traceback
try:
import resource
except ImportError:
pass
from mdfreader import __version__ as mdfreader_version
from mdfreader import Mdf as MDFreader
import numpy as np
import psutil
from asammdf import __version__ as asammdf_version
from asammdf import MDF, Signal
import asammdf.blocks.v2_v3_blocks as v3b
import asammdf.blocks.v2_v3_constants as v3c
import asammdf.blocks.v4_blocks as v4b
import asammdf.blocks.v4_constants as v4c
PYVERSION = sys.version_info[0]
if PYVERSION > 2:
from time import perf_counter
else:
from time import clock as perf_counter
class MyList(list):
"""list that prints the items that are appended or extended"""
def append(self, item):
"""append item and print it to stdout"""
print(item)
super(MyList, self).append(item)
def extend(self, items):
"""extend items and print them to stdout
using the new line separator
"""
print("\n".join(items))
super(MyList, self).extend(items)
class Timer:
"""measures the RAM usage and elased time. The information is saved in
the output attribute and any Exception text is saved in the error attribute
Parameters
----------
topic : str
timer title; only used if Exceptions are raised during execution
message : str
execution item description
fmt : str
output fmt; can be "rst" (rstructured text) or "md" (markdown)
"""
def __init__(self, topic, message, fmt="rst"):
self.topic = topic
self.message = message
self.output = ""
self.error = ""
self.fmt = fmt
self.start = None
def __enter__(self):
self.start = perf_counter()
return self
def __exit__(self, type_, value, tracebackobj):
elapsed_time = int((perf_counter() - self.start) * 1000)
process = psutil.Process(os.getpid())
if platform.system() == "Windows":
ram_usage = int(process.memory_info().peak_wset / 1024 / 1024)
else:
ram_usage = resource.getrusage(resource.RUSAGE_SELF).ru_maxrss
ram_usage = int(ram_usage / 1024)
if tracebackobj:
info = StringIO()
traceback.print_tb(tracebackobj, None, info)
info.seek(0)
info = info.read()
self.error = "{} : {}\n{}\t \n{}{}".format(self.topic, self.message, type_, value, info)
if self.fmt == "rst":
self.output = "{:<50} {:>9} {:>8}".format(self.message, "0*", "0*")
elif self.fmt == "md":
self.output = "|{:<50}|{:>9}|{:>8}|".format(self.message, "0*", "0*")
else:
if self.fmt == "rst":
self.output = "{:<50} {:>9} {:>8}".format(self.message, elapsed_time, ram_usage)
elif self.fmt == "md":
self.output = "|{:<50}|{:>9}|{:>8}|".format(self.message, elapsed_time, ram_usage)
return True
def generate_test_files(version="4.10"):
cycles = 3000
channels_count = 2000
mdf = MDF(version=version)
if version <= "3.30":
filename = r"test.mdf"
else:
filename = r"test.mf4"
if os.path.exists(filename):
return filename
t = np.arange(cycles, dtype=np.float64)
cls = v4b.ChannelConversion if version >= "4.00" else v3b.ChannelConversion
# no conversion
sigs = []
for i in range(channels_count):
sig = Signal(
np.ones(cycles, dtype=np.uint64) * i,
t,
name="Channel_{}".format(i),
unit="unit_{}".format(i),
conversion=None,
comment="Unsigned int 16bit channel {}".format(i),
raw=True,
)
sigs.append(sig)
mdf.append(sigs, common_timebase=True)
# linear
sigs = []
for i in range(channels_count):
conversion = {
"conversion_type": v4c.CONVERSION_TYPE_LIN if version >= "4.00" else v3c.CONVERSION_TYPE_LINEAR,
"a": float(i),
"b": -0.5,
}
sig = Signal(
np.ones(cycles, dtype=np.int64),
t,
name="Channel_{}".format(i),
unit="unit_{}".format(i),
conversion=cls(**conversion),
comment="Signed 16bit channel {} with linear conversion".format(i),
raw=True,
)
sigs.append(sig)
mdf.append(sigs, common_timebase=True)
# algebraic
sigs = []
for i in range(channels_count):
conversion = {
"conversion_type": v4c.CONVERSION_TYPE_ALG if version >= "4.00" else v3c.CONVERSION_TYPE_FORMULA,
"formula": "{} * sin(X)".format(i),
}
sig = Signal(
np.arange(cycles, dtype=np.int32) / 100.0,
t,
name="Channel_{}".format(i),
unit="unit_{}".format(i),
conversion=cls(**conversion),
comment="Sinus channel {} with algebraic conversion".format(i),
raw=True,
)
sigs.append(sig)
mdf.append(sigs, common_timebase=True)
# rational
sigs = []
for i in range(channels_count):
conversion = {
"conversion_type": v4c.CONVERSION_TYPE_RAT if version >= "4.00" else v3c.CONVERSION_TYPE_RAT,
"P1": 0,
"P2": i,
"P3": -0.5,
"P4": 0,
"P5": 0,
"P6": 1,
}
sig = Signal(
np.ones(cycles, dtype=np.int64),
t,
name="Channel_{}".format(i),
unit="unit_{}".format(i),
conversion=cls(**conversion),
comment="Channel {} with rational conversion".format(i),
raw=True,
)
sigs.append(sig)
mdf.append(sigs, common_timebase=True)
# string
sigs = []
for i in range(channels_count):
sig = ["Channel {} sample {}".format(i, j).encode("ascii") for j in range(cycles)]
sig = Signal(
np.array(sig),
t,
name="Channel_{}".format(i),
unit="unit_{}".format(i),
comment="String channel {}".format(i),
raw=True,
encoding="utf-8",
)
sigs.append(sig)
mdf.append(sigs, common_timebase=True)
# byte array
sigs = []
ones = np.ones(cycles, dtype=np.dtype("(8,)u1"))
for i in range(channels_count):
sig = Signal(
ones * (i % 255),
t,
name="Channel_{}".format(i),
unit="unit_{}".format(i),
comment="Byte array channel {}".format(i),
raw=True,
)
sigs.append(sig)
mdf.append(sigs, common_timebase=True)
# value to text
sigs = []
ones = np.ones(cycles, dtype=np.uint64)
conversion = {
"raw": np.arange(255, dtype=np.float64),
"phys": np.array(["Value {}".format(i).encode("ascii") for i in range(255)]),
"conversion_type": v4c.CONVERSION_TYPE_TABX if version >= "4.00" else v3c.CONVERSION_TYPE_TABX,
"links_nr": 260,
"ref_param_nr": 255,
}
for i in range(255):
conversion["val_{}".format(i)] = conversion["param_val_{}".format(i)] = conversion["raw"][i]
conversion["text_{}".format(i)] = conversion["phys"][i]
conversion["text_{}".format(255)] = "Default"
for i in range(channels_count):
sig = Signal(
ones * i,
t,
name="Channel_{}".format(i),
unit="unit_{}".format(i),
comment="Value to text channel {}".format(i),
conversion=cls(**conversion),
raw=True,
)
sigs.append(sig)
mdf.append(sigs, common_timebase=True)
mdf.save(filename, overwrite=True)
def open_mdf3(output, fmt):
with Timer("Open file", f"asammdf {asammdf_version} mdfv3", fmt) as timer:
MDF(r"test.mdf")
output.send([timer.output, timer.error])
def open_mdf4(output, fmt):
with Timer("Open file", f"asammdf {asammdf_version} mdfv4", fmt) as timer:
MDF(r"test.mf4")
output.send([timer.output, timer.error])
def open_mdf4_column(output, fmt):
with Timer("Open file", f"asammdf {asammdf_version} column mdfv4", fmt) as timer:
MDF(r"test_column.mf4")
output.send([timer.output, timer.error])
def save_mdf3(output, fmt):
x = MDF(r"test.mdf")
with Timer("Save file", f"asammdf {asammdf_version} mdfv3", fmt) as timer:
x.save(r"x.mdf", overwrite=True)
output.send([timer.output, timer.error])
def save_mdf4(output, fmt):
x = MDF(r"test.mf4")
with Timer("Save file", f"asammdf {asammdf_version} mdfv4", fmt) as timer:
x.save(r"x.mf4", overwrite=True)
output.send([timer.output, timer.error])
def save_mdf4_column(output, fmt):
x = MDF(r"test_column.mf4")
with Timer("Save file", f"asammdf {asammdf_version} mdfv4 column", fmt) as timer:
x.save(r"x.mf4", overwrite=True)
output.send([timer.output, timer.error])
def get_all_mdf3(output, fmt):
x = MDF(r"test.mdf")
with Timer("Get all channels", f"asammdf {asammdf_version} mdfv3", fmt) as timer:
for i, gp in enumerate(x.groups):
for j in range(len(gp["channels"])):
x.get(group=i, index=j, samples_only=True)
output.send([timer.output, timer.error])
def get_all_mdf4(output, fmt):
x = MDF(r"test.mf4")
with Timer("Get all channels", f"asammdf {asammdf_version} mdfv4", fmt) as timer:
t = perf_counter()
counter = 0
to_break = False
for i, gp in enumerate(x.groups):
if to_break:
break
for j in range(len(gp["channels"])):
t2 = perf_counter()
if t2 - t > 60:
timer.message += " {}/s".format(counter / (t2 - t))
to_break = True
break
x.get(group=i, index=j, samples_only=True)
counter += 1
output.send([timer.output, timer.error])
def get_all_mdf4_column(output, fmt):
x = MDF(r"test_column.mf4")
with Timer("Get all channels", f"asammdf {asammdf_version} column mdfv4", fmt) as timer:
t = perf_counter()
counter = 0
to_break = False
for i, gp in enumerate(x.groups):
if to_break:
break
for j in range(len(gp["channels"])):
t2 = perf_counter()
if t2 - t > 60:
timer.message += " {}/s".format(counter / (t2 - t))
to_break = True
break
x.get(group=i, index=j, samples_only=False)
counter += 1
output.send([timer.output, timer.error])
def convert_v3_v4(output, fmt):
with MDF(r"test.mdf") as x:
with Timer("Convert file", f"asammdf {asammdf_version} v3 to v4", fmt) as timer:
x.convert("4.10")
output.send([timer.output, timer.error])
def convert_v4_v410(output, fmt):
with MDF(r"test.mf4") as x:
with Timer("Convert file", f"asammdf {asammdf_version} v4 to v410", fmt) as timer:
y = x.convert("4.10")
y.close()
output.send([timer.output, timer.error])
def convert_v4_v420(output, fmt):
with MDF(r"test.mf4") as x:
with Timer("Convert file", f"asammdf {asammdf_version} v4 to v420", fmt) as timer:
y = x.convert("4.20")
y.close()
output.send([timer.output, timer.error])
def merge_v3(output, fmt):
files = [r"test.mdf"] * 3
with Timer("Merge 3 files", f"asammdf {asammdf_version} v3", fmt) as timer:
MDF.concatenate(files, outversion="3.30")
output.send([timer.output, timer.error])
def merge_v4(output, fmt):
files = [r"test.mf4"] * 3
with Timer("Merge 3 files", f"asammdf {asammdf_version} v4", fmt) as timer:
MDF.concatenate(files, outversion="4.10")
output.send([timer.output, timer.error])
#
# mdfreader
#
def open_reader3(output, fmt):
with Timer("Open file", "mdfreader {} mdfv3".format(mdfreader_version), fmt) as timer:
MDFreader(r"test.mdf")
output.send([timer.output, timer.error])
def open_reader3_nodata(output, fmt):
with Timer("Open file", "mdfreader {} no_data_loading mdfv3".format(mdfreader_version), fmt) as timer:
MDFreader(r"test.mdf", no_data_loading=True)
output.send([timer.output, timer.error])
def open_reader3_compression(output, fmt):
with Timer("Open file", "mdfreader {} compress mdfv3".format(mdfreader_version), fmt) as timer:
MDFreader(r"test.mdf", compression="blosc")
output.send([timer.output, timer.error])
def open_reader4(output, fmt):
with Timer("Open file", "mdfreader {} mdfv4".format(mdfreader_version), fmt) as timer:
MDFreader(r"test.mf4")
output.send([timer.output, timer.error])
def open_reader4_nodata(output, fmt):
with Timer("Open file", "mdfreader {} no_data_loading mdfv4".format(mdfreader_version), fmt) as timer:
MDFreader(r"test.mf4", no_data_loading=True)
output.send([timer.output, timer.error])
def open_reader4_compression(output, fmt):
with Timer("Open file", "mdfreader {} compress mdfv4".format(mdfreader_version), fmt) as timer:
MDFreader(r"test.mf4", compression="blosc")
output.send([timer.output, timer.error])
def save_reader3(output, fmt):
x = MDFreader(r"test.mdf")
with Timer("Save file", "mdfreader {} mdfv3".format(mdfreader_version), fmt) as timer:
x.write(r"x.mdf")
output.send([timer.output, timer.error])
def save_reader3_nodata(output, fmt):
x = MDFreader(r"test.mdf", no_data_loading=True)
with Timer("Save file", "mdfreader {} no_data_loading mdfv3".format(mdfreader_version), fmt) as timer:
x.write(r"x.mdf")
output.send([timer.output, timer.error])
def save_reader3_compression(output, fmt):
with Timer("Save file", "mdfreader {} compress mdfv3".format(mdfreader_version), fmt) as outer_timer:
x = MDFreader(r"test.mdf", compression="blosc")
with Timer("Save file", "mdfreader {} compress mdfv3".format(mdfreader_version), fmt) as timer:
x.write(r"x.mdf")
output.send([timer.output, timer.error])
if outer_timer.error:
output.send([timer.output, timer.error])
def save_reader4(output, fmt):
x = MDFreader(r"test.mf4")
with Timer("Save file", "mdfreader {} mdfv4".format(mdfreader_version), fmt) as timer:
x.write(r"x.mf4")
output.send([timer.output, timer.error])
def save_reader4_nodata(output, fmt):
x = MDFreader(r"test.mf4", no_data_loading=True)
with Timer("Save file", "mdfreader {} no_data_loading mdfv4".format(mdfreader_version), fmt) as timer:
x.write(r"x.mf4")
output.send([timer.output, timer.error])
def save_reader4_compression(output, fmt):
x = MDFreader(r"test.mf4", compression="blosc")
with Timer("Save file", "mdfreader {} compress mdfv4".format(mdfreader_version), fmt) as timer:
x.write(r"x.mf4")
output.send([timer.output, timer.error])
def get_all_reader3(output, fmt):
x = MDFreader(r"test.mdf")
with Timer("Get all channels", "mdfreader {} mdfv3".format(mdfreader_version), fmt) as timer:
for s in x:
x.get_channel_data(s)
output.send([timer.output, timer.error])
def get_all_reader3_nodata(output, fmt):
x = MDFreader(r"test.mdf", no_data_loading=True)
with Timer("Get all channels", "mdfreader {} nodata mdfv3".format(mdfreader_version), fmt) as timer:
for s in x:
x.get_channel_data(s)
output.send([timer.output, timer.error])
def get_all_reader3_compression(output, fmt):
x = MDFreader(r"test.mdf", compression="blosc")
with Timer("Get all channels", "mdfreader {} compress mdfv3".format(mdfreader_version), fmt) as timer:
for s in x:
x.get_channel_data(s)
with open("D:\\TMP\\f.txt", "w") as f:
f.write("OK")
output.send([timer.output, timer.error])
def get_all_reader4(output, fmt):
x = MDFreader(r"test.mf4")
with Timer("Get all channels", "mdfreader {} mdfv4".format(mdfreader_version), fmt) as timer:
t = perf_counter()
counter = 0
to_break = False
for s in x:
t2 = perf_counter()
if t2 - t > 60:
timer.message += " {}/s".format(counter / (t2 - t))
to_break = True
break
x.get_channel_data(s)
counter += 1
output.send([timer.output, timer.error])
def get_all_reader4_nodata(output, fmt):
x = MDFreader(r"test.mf4", no_data_loading=True)
with Timer("Get all channels", "mdfreader {} nodata mdfv4".format(mdfreader_version), fmt) as timer:
t = perf_counter()
counter = 0
to_break = False
for s in x:
t2 = perf_counter()
if t2 - t > 60:
timer.message += " {}/s".format(counter / (t2 - t))
to_break = True
break
x.get_channel_data(s)
counter += 1
output.send([timer.output, timer.error])
def get_all_reader4_compression(output, fmt):
x = MDFreader(r"test.mf4", compression="blosc")
with Timer("Get all channels", "mdfreader {} compress mdfv4".format(mdfreader_version), fmt) as timer:
t = perf_counter()
counter = 0
to_break = False
for s in x:
t2 = perf_counter()
if t2 - t > 60:
timer.message += " {}/s".format(counter / (t2 - t))
to_break = True
break
x.get_channel_data(s)
counter += 1
output.send([timer.output, timer.error])
def merge_reader_v3(output, fmt):
files = [r"test.mdf"] * 3
with Timer("Merge 3 files", "mdfreader {} v3".format(mdfreader_version), fmt) as timer:
x1 = MDFreader(files[0])
x1.resample(0.01)
x2 = MDFreader(files[1])
x2.resample(0.01)
x1.merge_mdf(x2)
x2 = MDFreader(files[2])
x2.resample(0.01)
x1.merge_mdf(x2)
output.send([timer.output, timer.error])
def merge_reader_v3_compress(output, fmt):
files = [r"test.mdf"] * 3
with Timer("Merge 3 files", "mdfreader {} compress v3".format(mdfreader_version), fmt) as timer:
x1 = MDFreader(files[0], compression="blosc")
x1.resample(0.01)
x2 = MDFreader(files[1], compression="blosc")
x2.resample(0.01)
x1.merge_mdf(x2)
x2 = MDFreader(files[2], compression="blosc")
x2.resample(0.01)
x1.merge_mdf(x2)
output.send([timer.output, timer.error])
def merge_reader_v3_nodata(output, fmt):
files = [r"test.mdf"] * 3
with Timer("Merge 3 files", "mdfreader {} nodata v3".format(mdfreader_version), fmt) as timer:
x1 = MDFreader(files[0], no_data_loading=True)
x1.resample(0.01)
x2 = MDFreader(files[1], no_data_loading=True)
x2.resample(0.01)
x1.merge_mdf(x2)
x2 = MDFreader(files[2], no_data_loading=True)
x2.resample(0.01)
x1.merge_mdf(x2)
output.send([timer.output, timer.error])
def merge_reader_v4(output, fmt):
files = [r"test.mf4"] * 3
with Timer("Merge 3 files", "mdfreader {} v4".format(mdfreader_version), fmt) as timer:
x1 = MDFreader(files[0])
x1.resample(0.01)
x2 = MDFreader(files[1])
x2.resample(0.01)
x1.merge_mdf(x2)
x2 = MDFreader(files[2])
x2.resample(0.01)
x1.merge_mdf(x2)
output.send([timer.output, timer.error])
def merge_reader_v4_compress(output, fmt):
files = [r"test.mf4"] * 3
with Timer("Merge 3 files", "mdfreader {} compress v4".format(mdfreader_version), fmt) as timer:
x1 = MDFreader(files[0], compression="blosc")
x1.resample(0.01)
x2 = MDFreader(files[1], compression="blosc")
x2.resample(0.01)
x1.merge_mdf(x2)
x2 = MDFreader(files[2], compression="blosc")
x2.resample(0.01)
x1.merge_mdf(x2)
output.send([timer.output, timer.error])
def merge_reader_v4_nodata(output, fmt):
files = [r"test.mf4"] * 3
with Timer("Merge 3 files", "mdfreader {} nodata v4".format(mdfreader_version), fmt) as timer:
x1 = MDFreader(files[0], no_data_loading=True)
x1.resample(0.01)
x2 = MDFreader(files[1], no_data_loading=True)
x2.resample(0.01)
x1.merge_mdf(x2)
x2 = MDFreader(files[2], no_data_loading=True)
x2.resample(0.01)
x1.merge_mdf(x2)
output.send([timer.output, timer.error])
#
# utility functions
#
def filter_asam(output, fmt):
with Timer("Filter file", f"asammdf {asammdf_version} mdfv4", fmt) as timer:
x = MDF(r"test.mf4").filter([(None, i, int(f"{j}5")) for i in range(10, 20) for j in range(1, 20)])
t = perf_counter()
counter = 0
to_break = False
for i, gp in enumerate(x.groups):
if to_break:
break
for j in range(len(gp["channels"])):
t2 = perf_counter()
if t2 - t > 60:
timer.message += " {}/s".format(counter / (t2 - t))
to_break = True
break
x.get(group=i, index=j, samples_only=True)
counter += 1
output.send([timer.output, timer.error])
def filter_reader4(output, fmt):
with Timer("Filter file", "mdfreader {} mdfv4".format(mdfreader_version), fmt) as timer:
x = MDFreader(
r"test.mf4",
channel_list=[f"Channel_{i}_{j}5" for i in range(10) for j in range(1, 20)],
)
t = perf_counter()
counter = 0
for s in x:
t2 = perf_counter()
if t2 - t > 60:
timer.message += " {}/s".format(counter / (t2 - t))
break
x.get_channel_data(s)
counter += 1
output.send([timer.output, timer.error])
def filter_reader4_compression(output, fmt):
with Timer("Filter file", "mdfreader {} compression mdfv4".format(mdfreader_version), fmt) as timer:
x = MDFreader(
r"test.mf4",
compression="blosc",
channel_list=[f"Channel_{i}_{j}5" for i in range(10) for j in range(1, 20)],
)
t = perf_counter()
counter = 0
for s in x:
t2 = perf_counter()
if t2 - t > 60:
timer.message += " {}/s".format(counter / (t2 - t))
break
x.get_channel_data(s)
counter += 1
output.send([timer.output, timer.error])
def filter_reader4_nodata(output, fmt):
with Timer("Filter file", "mdfreader {} nodata mdfv4".format(mdfreader_version), fmt) as timer:
x = MDFreader(
r"test.mf4",
no_data_loading=True,
channel_list=[f"Channel_{i}_{j}5" for i in range(10) for j in range(1, 20)],
)
t = perf_counter()
counter = 0
for s in x:
t2 = perf_counter()
if t2 - t > 60:
timer.message += " {}/s".format(counter / (t2 - t))
break
x.get_channel_data(s)
counter += 1
output.send([timer.output, timer.error])
def cut_asam(output, fmt):
x = MDF(r"test.mf4")
t = x.get_master(0)
start, stop = 0.2 * (t[-1] - t[0]) + t[0], 0.8 * (t[-1] - t[0]) + t[0]
with Timer("Cut file", f"asammdf {asammdf_version} mdfv4", fmt) as timer:
x = x.cut(start=start, stop=stop)
output.send([timer.output, timer.error])
def cut_reader4(output, fmt):
x = MDFreader(r"test.mf4")
t = x.get_channel_data(list(x.masterChannelList)[0])
begin, end = 0.2 * (t[-1] - t[0]) + t[0], 0.8 * (t[-1] - t[0]) + t[0]
with Timer("Cut file", "mdfreader {} mdfv4".format(mdfreader_version), fmt) as timer:
x.cut(begin=begin, end=end)
output.send([timer.output, timer.error])
def cut_reader4_compression(output, fmt):
x = MDFreader(r"test.mf4", compression="blosc")
t = x.get_channel_data(list(x.masterChannelList)[0])
begin, end = 0.2 * (t[-1] - t[0]) + t[0], 0.8 * (t[-1] - t[0]) + t[0]
with Timer("Cut file", "mdfreader {} compression mdfv4".format(mdfreader_version), fmt) as timer:
x.cut(begin=begin, end=end)
output.send([timer.output, timer.error])
def cut_reader4_nodata(output, fmt):
x = MDFreader(r"test.mf4", no_data_loading=True)
t = x.get_channel_data(list(x.masterChannelList)[0])
begin, end = 0.2 * (t[-1] - t[0]) + t[0], 0.8 * (t[-1] - t[0]) + t[0]
with Timer("Cut file", "mdfreader {} nodata mdfv4".format(mdfreader_version), fmt) as timer:
x.cut(begin=begin, end=end)
output.send([timer.output, timer.error])
def table_header(topic, fmt="rst"):
output = []
if fmt == "rst":
result = "{:<50} {:>9} {:>8}".format(topic, "Time [ms]", "RAM [MB]")
output.append("")
output.append("{} {} {}".format("=" * 50, "=" * 9, "=" * 8))
output.append(result)
output.append("{} {} {}".format("=" * 50, "=" * 9, "=" * 8))
elif fmt == "md":
result = "|{:<50}|{:>9}|{:>8}|".format(topic, "Time [ms]", "RAM [MB]")
output.append("")
output.append(result)
output.append("|{}|{}|{}|".format("-" * 50, "-" * 9, "-" * 8))
return output
def table_end(fmt="rst"):
if fmt == "rst":
return ["{} {} {}".format("=" * 50, "=" * 9, "=" * 8), ""]
elif fmt == "md":
return [
"",
]
def main(text_output, fmt):
if os.path.dirname(__file__):
os.chdir(os.path.dirname(__file__))
for version in ("3.30", "4.10"):
generate_test_files(version)
mdf = MDF("test.mdf", "minimum")
v3_size = os.path.getsize("test.mdf") // 1024 // 1024
v3_groups = len(mdf.groups)
v3_channels = sum(len(gp["channels"]) for gp in mdf.groups)
v3_version = mdf.version
mdf = MDF("test.mf4", "minimum")
mdf.get_master(0)
v4_size = os.path.getsize("test.mf4") // 1024 // 1024
v4_groups = len(mdf.groups)
v4_channels = sum(len(gp["channels"]) for gp in mdf.groups)
v4_version = mdf.version
listen, send = multiprocessing.Pipe()
output = MyList()
errors = []
installed_ram = round(psutil.virtual_memory().total / 1024 / 1024 / 1024)
output.append("\n\nBenchmark environment\n")
output.append("* {}".format(sys.version))
output.append("* {}".format(platform.platform()))
output.append("* {}".format(platform.processor()))
output.append("* numpy {}".format(np.__version__))
output.append("* {}GB installed RAM\n".format(installed_ram))
output.append("Notations used in the results\n")
output.append(("* compress = mdfreader mdf object created with " "compression=blosc"))
output.append(("* nodata = mdfreader mdf object read with " "no_data_loading=True"))
output.append("\nFiles used for benchmark:\n")
output.append("* mdf version {}".format(v3_version))
output.append(" * {} MB file size".format(v3_size))
output.append(" * {} groups".format(v3_groups))
output.append(" * {} channels".format(v3_channels))
output.append("* mdf version {}".format(v4_version))
output.append(" * {} MB file size".format(v4_size))
output.append(" * {} groups".format(v4_groups))
output.append(" * {} channels\n\n".format(v4_channels))
OPEN, SAVE, GET, CONVERT, MERGE, FILTER, CUT = 1, 1, 1, 1, 1, 0, 0
tests = (
open_mdf3,
# open_reader3,
# open_reader3_nodata,
# open_reader3_compression,
open_mdf4,
# open_mdf4_column,
# open_reader4,
# open_reader4_nodata,
# open_reader4_compression,
)
if tests and OPEN:
output.extend(table_header("Open file", fmt))
for func in tests:
thr = multiprocessing.Process(target=func, args=(send, fmt))
thr.start()
thr.join()
result, err = listen.recv()
output.append(result)
errors.append(err)
output.extend(table_end(fmt))
tests = (
save_mdf3,
# save_reader3,
# save_reader3_nodata,
# save_reader3_compression,
save_mdf4,
# save_mdf4_column,
# save_reader4,
# save_reader4_nodata,
# save_reader4_compression,
)
if tests and SAVE:
output.extend(table_header("Save file", fmt))
for func in tests:
thr = multiprocessing.Process(target=func, args=(send, fmt))
thr.start()
thr.join()
result, err = listen.recv()
output.append(result)
errors.append(err)
output.extend(table_end(fmt))
tests = (
get_all_mdf3,
# get_all_reader3,
# get_all_reader3_nodata,
# get_all_reader3_compression,
get_all_mdf4,
# get_all_mdf4_column,
# get_all_reader4,
# get_all_reader4_nodata,
# get_all_reader4_compression,
)
if tests and GET:
output.extend(table_header("Get all channels (36424 calls)", fmt))
for func in tests:
thr = multiprocessing.Process(target=func, args=(send, fmt))
thr.start()
thr.join()
result, err = listen.recv()
output.append(result)
errors.append(err)
output.extend(table_end(fmt))
tests = (
convert_v3_v4,
convert_v4_v410,
convert_v4_v420,
)
if tests and CONVERT:
output.extend(table_header("Convert file", fmt))
for func in tests:
thr = multiprocessing.Process(target=func, args=(send, fmt))
thr.start()
thr.join()
result, err = listen.recv()
output.append(result)
errors.append(err)
output.extend(table_end(fmt))
tests = (
merge_v3,
# merge_reader_v3,
# merge_reader_v3_nodata,
# merge_reader_v3_compress,
merge_v4,
# merge_reader_v4,
# merge_reader_v4_nodata,
# merge_reader_v4_compress,
)
if tests and MERGE:
output.extend(table_header("Merge 3 files", fmt))
for func in tests:
thr = multiprocessing.Process(target=func, args=(send, fmt))
thr.start()
thr.join()
result, err = listen.recv()
output.append(result)
errors.append(err)
output.extend(table_end(fmt))
tests = (
filter_asam,
filter_reader4,
filter_reader4_compression,
filter_reader4_nodata,
)
if tests and FILTER:
output.extend(table_header("Filter 200 channels", fmt))
for func in tests:
thr = multiprocessing.Process(target=func, args=(send, fmt))
thr.start()
thr.join()
result, err = listen.recv()
output.append(result)
errors.append(err)
output.extend(table_end(fmt))
tests = (
cut_asam,
# cut_reader4,
# cut_reader4_compression,
# cut_reader4_nodata,
)
if tests and CUT:
output.extend(table_header("Cut file from 20% to 80%", fmt))
for func in tests:
thr = multiprocessing.Process(target=func, args=(send, fmt))
thr.start()
thr.join()
result, err = listen.recv()
output.append(result)
errors.append(err)
output.extend(table_end(fmt))
errors = [err for err in errors if err]
if errors:
print("\n\nERRORS\n", "\n".join(errors))
if text_output:
arch = "x86" if platform.architecture()[0] == "32bit" else "x64"
file = "{}_asammdf_{}_mdfreader_{}.{}".format(arch, asammdf_version, mdfreader_version, fmt)
with open(file, "w") as out:
out.write("\n".join(output))
for file in ("x.mdf", "x.mf4"):
if PYVERSION >= 3:
try:
os.remove(file)
except FileNotFoundError:
pass
else:
try:
os.remove(file)
except IOError:
pass