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trace.py
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trace.py
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import numpy as np
import parameters as pm
from job import Job
import speed
import math
class Trace:
def __init__(self, logger=None):
self.logger = logger
# statistics collected from testbed measurement
# self.speedtheta = [[2.8335, 3.9188, 0, 0.505], [1.8432, 3.8148, 0.0331, 0.3584], \
# [1.0203, 2.7765, 4.9247, 0.0016], [4.0933, 3.6790, 0, 0.6471], [1.188, 3.7519, 0.071, 0.028], [1.1826, 0.5554, 5.1176, 0.045]]
self.num_types = 8
self.models = ["resnet-50", "vgg-16", "resnext-110", "inception-bn", "seq2seq", "cnn-text-classification", "dssm", "wlm"]
self.local_comp_times = [0.449, 0.535, 0.226, 0.815, 0.075, 0.585, 0.567, 0.154] # second
self.model_sizes = [102.2, 553.4, 6.92, 42.1, 36.5, 24.0, 6.0, 19.2] # MB
self.epoch_sizes = [115, 115, 390, 120, 780, 193, 349, 165] # number of samples per batch
self.inter_bws = [91.875, 233.0, 59.5, 145.875, 120.125, 60.75, 92.125, 10.375] # MB/s
self.intra_bws = [306.5, 427.75, 63.0, 1082.125, 181.125, 159.625, 65.625, 22.875] # MB/s
# self.resr_workers = [[2, 4], [2, 4], [2, 4], [2, 4], [4, 0], [2, 4], [4, 0], [1, 4]] # cpu, gpu, 1 cpu = 1 slot, 1 gpu = 4 slots
self.resr_workers = [[2, 4], [2, 4], [2, 4], [2, 4], [2, 4], [2, 0], [2, 0], [2, 4]]
# self.resr_ps = [[3, 0], [4, 0], [3, 0], [3, 0], [1, 0], [3, 0], [1, 0], [1, 0]]
self.resr_ps = [[2, 0], [2, 0], [2, 0], [2, 0], [2, 0], [2, 0], [2, 0], [2, 0]]
self.num_epochs = np.array([0.3, 0.96, 0.05, 0.54, 0.95, 0.46, 0.33, 0.23]) * pm.MAX_NUM_EPOCHS
# self.num_epochs = np.array([0.39, 0.6, 0.05, 0.54, 0.99, 0.76, 0.93, 0.23]) * pm.MAX_NUM_EPOCHS
self.speed_funcs = speed.speed_funcs
# job arrival patterns
self.arrv_pattern_1 = [1, 22, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0,
0, 0, 1, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 1]
self.arrv_pattern_2 = [2, 40, 2, 2, 2, 3, 2, 2, 1, 1, 1, 1, 2, 2, 2, 1, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 1, 1, 1,
1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2,
2, 2, 1, 2, 2, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1]
self.arrv_pattern_3 = [2, 57, 3, 3, 3, 4, 3, 3, 2, 2, 2, 2, 3, 3, 3, 2, 3, 3, 3, 3, 3, 2, 2, 3, 4, 3, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 3, 3, 1, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 1, 2, 1, 2, 3, 3, 3, 3, 3,
2, 2, 2, 2, 3, 2, 1, 2, 1, 2, 2, 2, 2, 2, 2, 3, 2]
self.arrv_pattern_4 = [3, 74, 4, 4, 4, 6, 5, 4, 3, 3, 3, 3, 4, 4, 5, 3, 4, 4, 4, 4, 4, 2, 2, 4, 5, 4, 2, 3, 2,
2, 2, 3, 2, 3, 3, 3, 4, 4, 2, 3, 3, 2, 3, 3, 2, 3, 3, 3, 3, 2, 2, 2, 3, 4, 3, 4, 4, 4,
3, 3, 3, 3, 4, 3, 2, 3, 2, 2, 2, 3, 3, 3, 2, 4, 3]
self.arrv_pattern_5 = [4, 10, 5, 4, 5, 6, 5, 4, 3, 3, 4, 3, 4, 5, 5, 4, 5, 5, 5, 5, 4, 3, 3, 4, 6, 4, 3, 3, 3,
2, 3, 3, 3, 4, 3, 3, 4, 4, 2, 3, 3, 2, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 4, 4, 4, 4, 4, 4,
4, 4, 3, 4, 4, 3, 2, 4, 2, 3, 3, 4, 3, 3, 3, 4, 3]
self.arrv_pattern_10 = [6, 134, 8, 7, 8, 10, 9, 7, 6, 5, 6, 5, 7, 8, 9, 6, 8, 8, 8, 8, 7, 5, 5, 7, 9, 7, 5, 5, 5,
3, 5, 6, 4, 6, 6, 6, 7, 7, 4, 5, 5, 3, 5, 5, 4, 6, 5, 6, 5, 3, 4, 4, 6, 7, 7, 7, 7, 7, 6,
6, 6, 6, 7, 6, 4, 6, 4, 5, 4, 6, 5, 6, 5, 7, 6]
self.arrv_pattern_15 = [11, 224, 13, 12, 14, 18, 15, 12, 10, 9, 11, 9, 12, 14, 15, 10, 14, 14, 13, 14, 12, 8,
8, 12, 16, 12, 8, 9, 8, 6, 8, 10, 8, 11, 10, 10, 12, 12, 7, 9, 9, 6, 9, 9, 8, 10, 9,
10, 9, 6, 7, 7, 11, 12, 11, 13, 12, 12, 11, 11, 10, 11, 12, 10, 7, 11, 7, 8, 8, 11, 9,
10, 8, 12, 10]
self.arrv_pattern_20 = [14, 288, 17, 16, 18, 23, 19, 16, 13, 11, 14, 11, 15, 18, 19, 13, 18, 18, 17, 18, 16, 11,
10, 15, 21, 15, 10, 11, 10, 8, 11, 12, 10, 14, 12, 13, 16, 16, 9, 12, 12, 7, 11, 12, 10,
13, 12, 13, 12, 8, 10, 9, 14, 15, 15, 16, 15, 16, 14, 14, 13, 14, 15, 13, 9, 14, 9, 11,
10, 14, 12, 13, 11, 15, 13]
self.arrv_pattern_30 = [20, 403, 24, 23, 26, 32, 27, 22, 18, 16, 19, 16, 22, 26, 27, 19, 25, 26, 24, 25, 22, 15,
15, 21, 29, 21, 15, 16, 15, 11, 15, 18, 14, 20, 18, 19, 22, 23, 13, 17, 17, 11, 16, 16,
14, 18, 17, 18, 17, 11, 14, 13, 20, 21, 21, 23, 22, 23, 20, 20, 18, 20, 21, 19, 12, 20,
12, 16, 14, 20, 17, 18, 15, 21, 19]
self.arrv_pattern_40 = [25, 504, 30, 29, 32, 40, 34, 28, 23, 20, 24, 20, 27, 32, 34, 24, 32, 33, 31, 32, 28, 19,
18, 27, 37, 27, 18, 20, 19, 14, 19, 22, 18, 25, 22, 23, 28, 28, 17, 22, 21, 13, 20, 21,
18, 23, 22, 23, 21, 14, 17, 17, 25, 27, 26, 29, 27, 28, 25, 25, 22, 26, 27, 23, 16, 26,
15, 20, 18, 25, 22, 23, 19, 27, 23]
self.arrv_pattern_50 = [33, 672, 40, 38, 43, 54, 45, 38, 31, 27, 33, 27, 36, 43, 46, 32, 43, 44, 41, 42, 37, 26,
25, 36, 49, 36, 25, 27, 25, 19, 25, 30, 24, 34, 30, 31, 37, 38, 23, 29, 28, 18, 27, 28,
24, 30, 29, 30, 28, 18, 23, 22, 34, 36, 35, 39, 37, 38, 34, 34, 30, 34, 36, 31, 21, 34,
21, 26, 24, 34, 29, 30, 26, 36, 31]
# ali trace, JCT 147 minutes on average
self.ali_trace_arrv_pattern = []
def _get_pattern(self, max_arrvs_per_ts):
if pm.JOB_ARRIVAL_PATTERN == "Uniform":
return [max_arrvs_per_ts for _ in range(100)]
elif pm.JOB_ARRIVAL_PATTERN == "Poisson":
return np.random.poisson(max_arrvs_per_ts, 100)
elif pm.JOB_ARRIVAL_PATTERN == "Google_Trace":
if max_arrvs_per_ts == 1:
return self.arrv_pattern_1
elif max_arrvs_per_ts == 2:
return self.arrv_pattern_2
elif max_arrvs_per_ts == 3:
return self.arrv_pattern_3
elif max_arrvs_per_ts == 4:
return self.arrv_pattern_4
elif max_arrvs_per_ts == 5:
return self.arrv_pattern_5
elif max_arrvs_per_ts == 10:
return self.arrv_pattern_10
elif max_arrvs_per_ts == 15:
return self.arrv_pattern_15
elif max_arrvs_per_ts == 20:
return self.arrv_pattern_20
elif max_arrvs_per_ts == 30:
return self.arrv_pattern_30
elif max_arrvs_per_ts == 40:
return self.arrv_pattern_40
elif max_arrvs_per_ts == 50:
return self.arrv_pattern_50
else:
self.logger.error("unrecognizable arrival pattern!")
exit(-1)
elif pm.JOB_ARRIVAL_PATTERN == "Ali_Trace":
ratio = max(self.ali_trace_arrv_pattern)/float(max_arrvs_per_ts)
trace = []
for arrv in self.ali_trace_arrv_pattern:
trace.append(int(math.ceil(arrv/ratio)))
return trace
def _weibull_dist(self):
# follow weibull distribution, according to paper revisiting size-based ...
num_epochs = int(np.random.weibull(2) * pm.MAX_NUM_EPOCHS/3)
if num_epochs == 0:
num_epochs = 1
elif num_epochs > pm.MAX_NUM_EPOCHS:
num_epochs = pm.MAX_NUM_EPOCHS
return num_epochs
def get_trace(self, num_type=8):
# google trace
trace = dict()
id = 1
count_num_jobs = 0
done = False
arrv_pattern = self._get_pattern(pm.MAX_ARRVS_PER_TS)
offset = np.random.randint(5)
for ts in range(len(arrv_pattern)):
num_jobs = min(pm.MAX_ARRVS_PER_TS, arrv_pattern[(ts+offset)%len(arrv_pattern)])
job_list = []
for j in range(num_jobs):
assert num_type <= self.num_types
if pm.JOB_LEN_PATTERN == "Normal":
type = np.random.randint(0, num_type)
elif pm.JOB_LEN_PATTERN == "Ali_Trace":
prob_sum = np.sum(self.ali_trace_job_probs[:num_type])
cumsum = np.cumsum(self.ali_trace_job_probs[:num_type])
type = (cumsum > prob_sum*np.random.random()).argmax()
index = type
# type = self.importance_map[type]
job = Job(id, type+1, self.logger) # type start from 1
id += 1
job.arrv_time = ts
job.model = self.models[type]
job.epoch_size = self.epoch_sizes[type]
job.model_size = self.model_sizes[type]
job.local_comp_time = self.local_comp_times[type]
job.intra_bw = self.intra_bws[type]
job.inter_bw = self.inter_bws[type]
job.resr_ps = np.array(self.resr_ps[type])
job.resr_worker = np.array(self.resr_workers[type])
job.speed_func = self.speed_funcs[job.model]
if pm.FIX_JOB_LEN:
if pm.JOB_LEN_PATTERN == "Normal":
job.num_epochs = int(self.num_epochs[type])
elif pm.JOB_LEN_PATTERN == "Ali_Trace":
job.num_epochs = int(self.ali_trace_num_epochs[index])
else:
if pm.JOB_LEN_PATTERN == "Normal":
job.num_epochs = int(self.num_epochs[type])*np.random.randint(90,110)/100.0 # self._weibull_dist()
else:
job.num_epochs = int(self.ali_trace_num_epochs[type])*np.random.randint(90,110)/100.0
num_epoch_error = pm.JOB_EPOCH_EST_ERROR*(2*np.random.rand()-1)
job.real_num_epochs = (1+num_epoch_error)*job.num_epochs
job_list.append(job)
count_num_jobs += 1
if count_num_jobs == pm.TOT_NUM_JOBS:
done = True
break
trace[ts] = job_list
if done:
break
assert count_num_jobs==pm.TOT_NUM_JOBS
return trace
if __name__ == '__main__':
print "Generate job traces..."
Trace().get_trace()