def sim(Rambda, C, R, Crash_rambda):
fact = [1,2,3,4,5,6,7,8,9,10]
durs = []
effs = []
print "# failure rate: ", Rambda, 1/(Rambda * 3600), "hours"
print "# crash rate: ", Crash_rambda, 1/(Crash_rambda * 3600), "hours"
print "# checkpoint t:", C
print "# restart t:", R
print "fact\tInterval\tEfficiency\talive P"
for f in fact:
rambda = Rambda * f
crash_rambda = Crash_rambda * f
c = C * f
r = R * f
T, eT, eff, dur = vaidya.sim_all(rambda, c, r, crash_rambda)
effs.append(eff)
durs.append(dur)
# print "%s\t\t%s\t%s\t%s\t%s\t%s\t%s" % (T, eff, dur[-1])
print "%s\t%s\t\t%s\t%s" % (f, T, eff, dur)
return fact, effs, durs
def main():
for i in range(1,240):
# l1f = 2.14e-6 # Coastal
# l2f = 4.27e-7 # Coastal
# l1f = 1.08e-5 # Hera
# l2f = 3.02e-6 # Hera
l1f = 1.63e-5 # Atlas
l2f = 1.09e-6 # Atlas
c = 0
r = 0
f = (l1f + l2f) * i
dur = vaidya.duration(f, 24 * 60 * 60)
f_fmi = (l2f) * i
dur_fmi = vaidya.duration(f_fmi, 24 * 60 * 60)
print i, dur, dur_fmi, (1/f)/3600, (1/f_fmi)/3600
return
for i in range(500):
c = 100
r = 100
mtbf = float((i + 1) * 10)
T, eT, eTL, eff, effL, dur = vaidya.sim_all(1/mtbf, c, r, 1/mtbf)
# print mtbf,",", eff
print mtbf,",", effL
return
len = 4
Yes = [None for i in range(len)]
Yds = [None for i in range(len)]
i = 0
Rambda=1.757e-5
Crash_rambda=1.3774e-6
C = 75
R = 45
Xf, Yes[i], Yds[i] = sim(Rambda, C, R, Crash_rambda)
i += 1
Rambda=1.757e-5
Crash_rambda=1.7154e-6
C = 50
R = 20
Xf, Yes[i], Yds[i] = sim(Rambda, C, R, Crash_rambda)
i += 1
Rambda=1.757e-5
Crash_rambda=1.3774e-6
C = 75
R = 45
Xf, Yes[i], Yds[i] = sim(Rambda, C, R, Crash_rambda)
i += 1
Rambda=1.757e-5
Crash_rambda=1.7154e-6
C = 50
R = 0.625
Xf, Yes[i], Yds[i] = sim(Rambda, C, R, Crash_rambda)
i += 1
print
print "fact\tFlat SSD - Coordinated\tBurst SSD - Coordinated\tFlat SSD - Unoordinated\tBurst SSD - Uncoordinated"
i = 0
for f in Xf:
print f,
for Ye in Yes:
print round(Ye[i],4), "\t",
print
i += 1
print
i = 0
# for i in range(len(Yds[0])):
for i in range(24):
print i,
for Yd in Yds:
print Yd[0][i], Yd[-1][i],
print
i += 1
