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from matplotlib import pyplot as plt
import tables as tb
def get_values(filename, complib=""):
f = tb.open_file(filename)
nrows = f.root.small.create_best.cols.nrows[:]
corrected_sizes = nrows / 10**6
if mb_units:
corrected_sizes = 16 * nrows / 10**6
if insert:
values = corrected_sizes / f.root.small.create_best.cols.tfill[:]
if table_size:
values = f.root.small.create_best.cols.fsize[:] / nrows
if query:
values = (
corrected_sizes
/ f.root.small.search_best.inkernel.int.cols.time1[:]
)
if query_cache:
values = (
corrected_sizes
/ f.root.small.search_best.inkernel.int.cols.time2[:]
)
f.close()
return nrows, values
def show_plot(plots, yaxis, legends, gtitle):
plt.xlabel("Number of rows")
plt.ylabel(yaxis)
plt.xlim(10**3, 10**8)
plt.title(gtitle)
plt.grid(True)
# legends = [f[f.find('-'):f.index('.out')] for f in filenames]
# legends = [l.replace('-', ' ') for l in legends]
if table_size:
plt.legend([p[0] for p in plots], legends, loc="upper right")
else:
plt.legend([p[0] for p in plots], legends, loc="upper left")
# subplots_adjust(bottom=0.2, top=None, wspace=0.2, hspace=0.2)
if outfile:
plt.savefig(outfile)
else:
plt.show()
if __name__ == "__main__":
import sys
import getopt
usage = (
"""usage: %s [-o file] [-t title] [--insert] [--table-size] [--query] [--query-cache] [--MB-units] files
-o filename for output (only .png and .jpg extensions supported)
-t title of the plot
--insert -- Insert time for table
--table-size -- Size of table
--query -- Time for querying the integer column
--query-cache -- Time for querying the integer (cached)
--MB-units -- Express speed in MB/s instead of MRows/s
\n"""
% sys.argv[0]
)
try:
opts, pargs = getopt.getopt(
sys.argv[1:],
"o:t:",
[
"insert",
"table-size",
"query",
"query-cache",
"MB-units",
],
)
except Exception:
sys.stderr.write(usage)
sys.exit(0)
progname = sys.argv[0]
args = sys.argv[1:]
# if we pass too few parameters, abort
if len(pargs) < 1:
sys.stderr.write(usage)
sys.exit(0)
# default options
outfile = None
insert = 0
table_size = 0
query = 0
query_cache = 0
mb_units = 0
yaxis = "No axis name"
tit = None
gtitle = "Please set a title!"
# Get the options
for option in opts:
if option[0] == "-o":
outfile = option[1]
elif option[0] == "-t":
tit = option[1]
elif option[0] == "--insert":
insert = 1
yaxis = "MRows/s"
gtitle = "Writing with small (16 bytes) record size"
elif option[0] == "--table-size":
table_size = 1
yaxis = "Bytes/row"
gtitle = (
"Disk space taken by a record (original record size: "
"16 bytes)"
)
elif option[0] == "--query":
query = 1
yaxis = "MRows/s"
gtitle = (
"Selecting with small (16 bytes) record size (file not "
"in cache)"
)
elif option[0] == "--query-cache":
query_cache = 1
yaxis = "MRows/s"
gtitle = (
"Selecting with small (16 bytes) record size (file in "
"cache)"
)
elif option[0] == "--MB-units":
mb_units = 1
filenames = pargs
if mb_units and yaxis == "MRows/s":
yaxis = "MB/s"
if tit:
gtitle = tit
plots = []
legends = []
for filename in filenames:
plegend = filename[filename.find("cl-") + 3 : filename.index(".h5")]
plegend = plegend.replace("-", " ")
xval, yval = get_values(filename, "")
print(f"Values for {filename} --> {xval}, {yval}")
# plots.append(loglog(xval, yval, linewidth=5))
plots.append(plt.semilogx(xval, yval, linewidth=4))
legends.append(plegend)
if 0: # Per a introduir dades simulades si es vol...
xval = [
1000,
10_000,
100_000,
1_000_000,
10_000_000,
100_000_000,
1_000_000_000,
]
# yval = [0.003, 0.005, 0.02, 0.06, 1.2,
# 40, 210]
yval = [0.0009, 0.0011, 0.0022, 0.005, 0.02, 0.2, 5.6]
plots.append(plt.loglog(xval, yval, linewidth=5))
legends.append("PyTables Std")
show_plot(plots, yaxis, legends, gtitle)
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