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# Copyright 2018-2019 Florian Fischer <florian.fl.fischer@fau.de>
#
# This file is part of allocbench.
#
# allocbench is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# allocbench is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with allocbench. If not, see <http://www.gnu.org/licenses/>.
"""Definition of the commonly used t-test1 allocator test"""
from src.benchmark import Benchmark
import src.plots as plt
class BenchmarkTTest1(Benchmark):
"""t-test1 unit test
This benchmark from ptmalloc2 allocates and frees n bins in t concurrent threads.
"""
def __init__(self):
name = "t_test1"
self.cmd = "t-test1 {nthreads} {nthreads} 1000000 {maxsize}"
self.args = {
"maxsize": [2**x for x in range(6, 18)],
"nthreads": Benchmark.scale_threads_for_cpus(2)
}
self.requirements = ["t-test1"]
super().__init__(name)
def summary(self):
# mops / per second
yval = "perm.nthreads / ({task-clock}/1000)"
# Speed
plt.plot(self,
yval,
fig_options={
'ylabel': 'Mops / CPU second',
'title': 't-test1: {fixed_part_str}',
'autoticks': False,
},
file_postfix="time")
# L1 cache misses
plt.plot(self,
"({L1-dcache-load-misses}/{L1-dcache-loads})*100",
fig_options={
'ylabel': 'L1 misses in %',
'title': 't-test1 l1 cache misses: {fixed_part_str}',
'autoticks': False,
},
file_postfix="l1misses")
# Speed Matrix
plt.write_best_doublearg_tex_table(self, yval, file_postfix="mops.matrix")
plt.write_tex_table(self, [{
"label": "MOPS/s",
"expression": yval,
"sort": ">"
}],
file_postfix="mops.table")
plt.export_stats_to_csv(self, "task-clock")
t_test1 = BenchmarkTTest1()
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