diff options
| -rwxr-xr-x | serd_bench.py | 131 |
1 files changed, 110 insertions, 21 deletions
diff --git a/serd_bench.py b/serd_bench.py index 719fff3f..4dda6e36 100755 --- a/serd_bench.py +++ b/serd_bench.py @@ -1,34 +1,44 @@ #!/usr/bin/env python +import csv +import itertools +import matplotlib.pyplot as plt import optparse import os import subprocess import sys +import math + class WorkingDirectory: "Scoped context for changing working directory" def __init__(self, working_dir): self.original_dir = os.getcwd() - self.working_dir = working_dir + self.working_dir = working_dir def __enter__(self): + sys.stderr.write("Entering directory `%s'\n" % self.working_dir) os.chdir(self.working_dir) return self def __exit__(self, type, value, traceback): + sys.stderr.write("Leaving directory `%s'\n" % self.working_dir) os.chdir(self.original_dir) + def filename(n): "Filename for a generated file with n statements" return 'gen%d.ttl' % n + def gen(sp2b_dir, n_min, n_max, step): "Generate files with n_min ... n_max statements if they are not present" with WorkingDirectory(sp2b_dir) as dir: for n in range(n_min, n_max + step, step): out_path = os.path.join(dir.original_dir, 'build', filename(n)) if not os.path.exists(out_path): - subprocess.call(['sp2b_gen', '-t', str(n), out_path]) + subprocess.call(['./sp2b_gen', '-t', str(n), out_path]) + def write_header(results, progs): "Write the header line for TSV output" @@ -37,6 +47,7 @@ def write_header(results, progs): results.write('\t' + os.path.basename(prog.split()[0])) results.write('\n') + def parse_time(report): "Return user time and max RSS from a /usr/bin/time -v report" time = memory = None @@ -48,6 +59,61 @@ def parse_time(report): return (time, memory) + +def get_dashes(): + "Generator for plot line dash patterns" + dash = 2.0 + space = dot = 0.75 + + yield [] # Solid + yield [dash, space] # Dashed + yield [dot, space] # Dotted + + # Dash-dots, with increasing number of dots for each line + for i in itertools.count(2): + yield [dash, space] + [dot, space] * (i - 1) + + +def plot(in_file, out_filename, x_label, y_label, y_max=None): + "Plot a TSV file as SVG" + fig_height = 4.0 + dashes = get_dashes() + markers = itertools.cycle(['o', 's', 'v', 'D', '*', 'p', 'P', 'h', 'X']) + + reader = csv.reader(in_file, delimiter='\t') + header = next(reader) + cols = [x for x in zip(*list(reader))] + + plt.clf() + fig = plt.figure(figsize=(fig_height * math.sqrt(2), fig_height)) + ax = fig.add_subplot(111) + + ax.set_xlabel(x_label) + ax.set_ylabel(y_label) + + if y_max is not None: + ax.set_ylim([0.0, y_max]) + + ax.grid(linewidth=0.25, linestyle=':', color='0', dashes=[0.2, 1.6]) + ax.ticklabel_format(style='sci', scilimits=(4, 0), useMathText=True) + ax.tick_params(axis='both', width=0.75) + + x = list(map(float, cols[0])) + for i, y in enumerate(cols[1::]): + ax.plot(x, + list(map(float, y)), + label=header[i + 1], + marker=next(markers), + dashes=next(dashes), + markersize=3.0, + linewidth=1.0) + + plt.legend() + plt.savefig(out_filename, bbox_inches='tight', pad_inches=0.025) + plt.close() + sys.stderr.write('wrote {}\n'.format(out_filename)) + + def run(progs, n_min, n_max, step): "Benchmark each program with n_min ... n_max statements" with WorkingDirectory('build'): @@ -56,13 +122,13 @@ def run(progs, n_min, n_max, step): 'memory': open('serdi-memory.txt', 'w')} # Write TSV header for all output files - for name, f in results.iteritems(): + for name, f in results.items(): write_header(f, progs) for n in range(n_min, n_max + step, step): # Add first column (n) to rows rows = {} - for name, _ in results.iteritems(): + for name, _ in results.items(): rows[name] = [str(n)] # Run each program and fill rows with measurements @@ -73,17 +139,30 @@ def run(progs, n_min, n_max, step): proc = subprocess.Popen( cmd.split(), stdout=out, stderr=subprocess.PIPE) - time, memory = parse_time(proc.communicate()[1]) - rows['time'] += ['%.07f' % time] + time, memory = parse_time(proc.communicate()[1].decode()) + rows['time'] += ['%.07f' % time] rows['throughput'] += ['%d' % (n / time)] - rows['memory'] += [str(memory)] + rows['memory'] += [str(memory)] # Write rows to output files - for name, f in results.iteritems(): + for name, f in results.items(): f.write('\t'.join(rows[name]) + '\n') - for name, _ in results.iteritems(): - sys.stderr.write('wrote build/serdi-%s.txt\n' % name) + for name, f in results.items(): + tsv_filename = 'serdi-%s.txt' % name + sys.stderr.write('wrote %s\n' % tsv_filename) + + +def plot_results(): + "Plot all benchmark results" + with WorkingDirectory('build'): + plot(open('serdi-time.txt', 'r'), 'serdi-time.svg', + 'Statements', 'Time (s)') + plot(open('serdi-throughput.txt', 'r'), 'serdi-throughput.svg', + 'Statements', 'Statements / s') + plot(open('serdi-memory.txt', 'r'), 'serdi-memory.svg', + 'Statements', 'Bytes') + if __name__ == "__main__": class OptParser(optparse.OptionParser): @@ -94,17 +173,23 @@ if __name__ == "__main__": usage='%prog [OPTION]... SP2B_DIR', description='Benchmark RDF reading and writing commands\n', epilog=''' -Example: - %prog --max 100000 \\ - --run 'rapper -i turtle -o turtle' \\ - --run 'riot --output=ttl' \\ - --run 'rdfpipe -i turtle -o turtle' /path/to/sp2b/src/ - ''') +Example: + %prog --max 100000 \\ + --run 'rapper -i turtle -o turtle' \\ + --run 'riot --output=ttl' \\ + --run 'rdfpipe -i turtle -o turtle' /path/to/sp2b/src/ +''') opt.add_option('--max', type='int', default=1000000, help='maximum triple count') opt.add_option('--run', type='string', action='append', default=[], help='additional command to run (input file is appended)') + opt.add_option('--no-generate', action='store_true', + help='do not generate data') + opt.add_option('--no-execute', action='store_true', + help='do not run benchmarks') + opt.add_option('--no-plot', action='store_true', + help='do not plot benchmarks') (options, args) = opt.parse_args() if len(args) != 1: @@ -112,9 +197,13 @@ Example: sys.exit(1) progs = ['serdi -b -f -i turtle -o turtle'] + options.run - min_n = options.max / 10 + min_n = int(options.max / 10) max_n = options.max - step = min_n - - gen(str(args[0]), min_n, max_n, step) - run(progs, min_n, max_n, step) + step = min_n + + if not options.no_generate: + gen(str(args[0]), min_n, max_n, step) + if not options.no_execute: + run(progs, min_n, max_n, step) + if not options.no_plot: + plot_results() |