Dynamical HISQ - University of Glasgow
Dynamical HISQ - University of Glasgow Dynamical HISQ - University of Glasgow
Is level 3 useful? Machine Library iters Time s QCDOC Pure chroma 736 46.9 QCDOC single prec. level 3 2932 6.0 QCDOC double prec. level 3 742 2.6 Opteron Pure chroma 1851 8893 Opteron double prec. level 3 1862 4008 Table 1: Performance of Asqtad Dynamical HISQ – p. 12
Profiling (Woloshyn and Wong) 100 (a) cost of different components per trajectory 80 percentage 60 40 20 0 8 4 12 4 16 4 8 4 12 4 16 4 ASQTAD HISQ matrix inversion f (0) f (1) f (2) f (3) gauge comp. of force eff. links others On an Opteron Kit’s code generated a trajectory for a 16 4 lattice in 4 hours. Target of 3000 trajectories will take 1.4 years. Dynamical HISQ – p. 13
- Page 1 and 2: Dynamical HISQ Craig McNeile c.mcne
- Page 3 and 4: Why do dynamical HISQ? From science
- Page 5 and 6: HISQ optimization Ron is a PI for a
- Page 7 and 8: RHMC detM α = ∫ Dφ † Dφe −
- Page 9 and 10: MILC plans Email from Doug Toussain
- Page 11: Level3 in practise Level3 code insi
- Page 15 and 16: Introduction to Iwasaki action Perh
- Page 17 and 18: The calculation Iwasaki looked at e
Pr<strong>of</strong>iling (Woloshyn and Wong)<br />
100<br />
(a)<br />
cost <strong>of</strong> different components per trajectory<br />
80<br />
percentage<br />
60<br />
40<br />
20<br />
0<br />
8 4 12 4 16 4 8 4 12 4 16 4<br />
ASQTAD<br />
<strong>HISQ</strong><br />
matrix<br />
inversion f (0) f (1) f (2)<br />
f (3) gauge comp. <strong>of</strong><br />
force<br />
eff. links<br />
others<br />
On an Opteron Kit’s code generated a trajectory for a 16 4<br />
lattice in 4 hours. Target <strong>of</strong> 3000 trajectories will take 1.4<br />
years. <strong>Dynamical</strong> <strong>HISQ</strong> – p. 13
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