def run(self):
"""
- create 'concurrency' number of threads
- per thread call pre()
- sync threads, start timer
- per thread call core() 'iteration' number of times', tic()
- stop timer
- per thread, call post, close threads
- eval once
"""
threads = []
concurrency = int(self.bench_cfg['concurrency'])
self._start()
for tid in range(0, concurrency):
self.events[tid] = {}
self.events[tid]['event_1'] = rut.Event()
self.events[tid]['event_2'] = rut.Event()
self.events[tid]['event_3'] = rut.Event()
self.events[tid]['event_4'] = rut.Event()
self.events[tid]['event_5'] = rut.Event()
self.start[tid] = time.time()
self.times[tid] = list()
t = rut.Thread(self._thread, tid)
threads.append(t)
for t in threads:
t.start()
# wait for all threads to start up and initialize
self.t_init = time.time()
rut.lout("\n> " + "=" * concurrency)
rut.lout("\n> ")
for tid in range(0, concurrency):
self.events[tid]['event_1'].wait()
# start workload in all threads
self.t_start = time.time()
for tid in range(0, concurrency):
self.events[tid]['event_2'].set()
# wait for all threads to finish core test
for tid in range(0, concurrency):
self.events[tid]['event_3'].wait()
self.t_stop = time.time()
# start shut down
rut.lout("\n< " + "-" * concurrency)
rut.lout("\n< ")
for tid in range(0, concurrency):
self.events[tid]['event_4'].set()
# wait for all threads to finish shut down
for tid in range(0, concurrency):
self.events[tid]['event_5'].wait()
def _start (self) :
self.start = dict()
self.times = dict()
self.idx = 0
rut.lout ("\n")
rut.lout ("benchmark : %s (%s)\n" % (self.name, self.bench_cfg['tags']))
rut.lout ("concurrency : %s\n" % self.bench_cfg['concurrency'])
rut.lout ("iterations : %s\n" % self.bench_cfg['iterations'])
sys.stdout.flush ()
def _start(self):
self.start = dict()
self.times = dict()
self.idx = 0
rut.lout("\n")
rut.lout("benchmark : %s (%s)\n" %
(self.name, self.bench_cfg['tags']))
rut.lout("concurrency : %s\n" % self.bench_cfg['concurrency'])
rut.lout("iterations : %s\n" % self.bench_cfg['iterations'])
sys.stdout.flush()
def eval(self, error=None):
import numpy
times = list()
for tid in self.times:
times += self.times[tid][1:]
# import pprint
# pprint.pprint (times)
if len(times) < 1:
raise ValueError(
"min 1 timing value required for benchmark evaluation (%d)" %
len(times))
concurrency = int(self.bench_cfg['concurrency'])
tags = ' '.join(self.bench_cfg['tags'])
out = "\n"
top = ""
tab = ""
num = ""
out += "Results :\n"
numpy_times = numpy.array(times)
vtot = self.t_stop - self.t_start
vini = self.t_start - self.t_init
vn = len(times)
vsum = sum(times)
vmin = min(times)
vmax = max(times)
if len(times):
vmean = numpy_times.mean()
vsdev = numpy_times.std()
else:
vmean = 0.0
vsdev = 0.0
vrate = vn / vtot
bdat = "benchmark.%s.dat" % (self.name)
out += " name : %s\n" % (self.name)
out += " tags : %s\n" % (tags)
out += " threads : %8d iters : %8d\n" % (concurrency, vn)
out += " init : %8.2fs min : %8.2fs\n" % (vini, vmin)
out += " total : %8.2fs max : %8.2fs\n" % (vtot, vmax)
out += " rate : %8.2f/s mean : %8.2fs\n" % (vrate, vmean)
out += " sdev : %8.2fs\n" % (vsdev)
num = "# %7s %7s %7s %7s %7s %7s %8s %8s %9s %10s %10s" \
% (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
top = "# %7s %7s %7s %7s %7s %7s %8s %8s %9s %10s %10s" \
% ('n', 'threads', 'init', 'tot', 'min', 'max', 'mean', \
'std-dev', 'rate', 'name', 'tags')
tab = " " \
"%7d " \
"%7d " \
"%7.2f " \
"%7.2f " \
"%7.2f " \
"%7.2f " \
"%8.3f " \
"%8.3f " \
"%9.3f " \
"%10s " \
"%10s " \
% (vn,
concurrency,
vini,
vtot,
vmin,
vmax,
vmean,
vsdev,
vrate,
self.name,
tags)
rut.lout("\n%s" % out)
create_top = True
try:
statinfo = os.stat(bdat)
if statinfo.st_size > 0:
create_top = False
except:
pass
f = open(bdat, "a+")
if create_top:
f.write("%s\n" % num)
f.write("%s\n" % top)
f.write("%s\n" % tab)
def eval (self, error=None) :
import numpy
times = list()
for tid in self.times :
times += self.times[tid][1:]
# import pprint
# pprint.pprint (times)
if len(times) < 1 :
raise ValueError ("min 1 timing value required for benchmark evaluation (%d)" % len(times))
concurrency = int(self.bench_cfg['concurrency'])
tags = ' '.join (self.bench_cfg['tags'])
out = "\n"
top = ""
tab = ""
num = ""
out += "Results :\n"
numpy_times = numpy.array (times)
vtot = self.t_stop - self.t_start
vini = self.t_start - self.t_init
vn = len (times)
vsum = sum (times)
vmin = min (times)
vmax = max (times)
if len (times) :
vmean = numpy_times.mean ()
vsdev = numpy_times.std ()
else :
vmean = 0.0
vsdev = 0.0
vrate = vn / vtot
bdat = "benchmark.%s.dat" % (self.name)
out += " name : %s\n" % (self.name)
out += " tags : %s\n" % (tags)
out += " threads : %8d iters : %8d\n" % (concurrency, vn)
out += " init : %8.2fs min : %8.2fs\n" % (vini, vmin )
out += " total : %8.2fs max : %8.2fs\n" % (vtot, vmax )
out += " rate : %8.2f/s mean : %8.2fs\n" % (vrate, vmean)
out += " sdev : %8.2fs\n" % ( vsdev)
num = "# %7s %7s %7s %7s %7s %7s %8s %8s %9s %10s %10s" \
% (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
top = "# %7s %7s %7s %7s %7s %7s %8s %8s %9s %10s %10s" \
% ('n', 'threads', 'init', 'tot', 'min', 'max', 'mean', \
'std-dev', 'rate', 'name', 'tags')
tab = " " \
"%7d " \
"%7d " \
"%7.2f " \
"%7.2f " \
"%7.2f " \
"%7.2f " \
"%8.3f " \
"%8.3f " \
"%9.3f " \
"%10s " \
"%10s " \
% (vn,
concurrency,
vini,
vtot,
vmin,
vmax,
vmean,
vsdev,
vrate,
self.name,
tags)
rut.lout ("\n%s" % out)
create_top = True
try :
statinfo = os.stat (bdat)
if statinfo.st_size > 0 :
create_top = False
except :
pass
f = open (bdat, "a+")
if create_top :
f.write ("%s\n" % num)
f.write ("%s\n" % top)
f.write ("%s\n" % tab)
def run (self) :
"""
- create 'concurrency' number of threads
- per thread call pre()
- sync threads, start timer
- per thread call core() 'iteration' number of times', tic()
- stop timer
- per thread, call post, close threads
- eval once
"""
threads = []
concurrency = int(self.bench_cfg['concurrency'])
self._start ()
for tid in range (0, concurrency) :
self.events[tid] = {}
self.events[tid]['event_1'] = rut.Event ()
self.events[tid]['event_2'] = rut.Event ()
self.events[tid]['event_3'] = rut.Event ()
self.events[tid]['event_4'] = rut.Event ()
self.events[tid]['event_5'] = rut.Event ()
self.start [tid] = time.time ()
self.times [tid] = list()
t = rut.Thread (self._thread, tid)
threads.append (t)
for t in threads :
t.start ()
# wait for all threads to start up and initialize
self.t_init = time.time ()
rut.lout ("\n> " + "="*concurrency)
rut.lout ("\n> ")
for tid in range (0, concurrency) :
self.events[tid]['event_1'].wait ()
# start workload in all threads
self.t_start = time.time ()
for tid in range (0, concurrency) :
self.events[tid]['event_2'].set ()
# wait for all threads to finish core test
for tid in range (0, concurrency) :
self.events[tid]['event_3'].wait ()
self.t_stop = time.time ()
# start shut down
rut.lout ("\n< " + "-"*concurrency)
rut.lout ("\n< ")
for tid in range (0, concurrency) :
self.events[tid]['event_4'].set ()
# wait for all threads to finish shut down
for tid in range (0, concurrency) :
self.events[tid]['event_5'].wait ()
