Overlap Inversion and Eigensystem Timings

Eigensystem and inversion test on 24³ × 64 dynamical configuration

Boundary conditions: 0 = Dirichlet, 1 = Periodic, -1 = Antiperiodic

24³ × 64 dynamical configuration, \(a = 0.114 {\rm fm}\)

• Overlap Eigensystem Calculation

Number of Cores: 1024

B.C. (x y z t)	1 1 1 0	0 1 1 0
Hw Eigenvectors #	300	300
Polynomial Order (10-9 error)	226	463
Dov Eigenvectors(pair) #	100	100
Dov Precision	10-7	10-7
# Zero Modes	2	Now Running
# Overlap Iterations	6250	Now Running

32³ × 64 dynamical configuration, \(a = 0.085 {\rm fm}\)

• Overlap Eigensystem Calculation

Number of Cores: 2048

B.C. (x y z t)	1 1 1 0	1 1 1 -1
Hw Eigenvectors #	300	200
Polynomial Order (10-9 error)	284	118
Dov Eigenvectors(pair) #	100	400
Dov Precision	10-7	10-9
# Zero Modes	7	6
# Overlap Iterations	8500	14200

32³ × 64 dynamical configuration (new), \(a = 0.000 {\rm fm}\)

• Overlap Eigensystem Calculation

Number of Cores: 8192 (But one should resort to only 4096 due to scaling)

B.C. (x y z t)	1 1 1 0	1 1 1 -1
Hw Eigenvectors #	400	400
Polynomial Order (10-9 error)	395	215
Dov Eigenvectors(pair) #	100	100
Dov Precision	10-7	10-7
# Zero Modes	Not Known	15
# Overlap Iterations	Did not converge in 24hrs	34900

28³ × 56 pure gauge configuration, \(a = 0.15 {\rm fm}\)

• Overlap Eigensystem Calculation

Number of Cores: 8192 (But one should resort to only 4096 due to scaling)

# nyhp smears	1	2	3
B.C. (x y z t)	1 1 1 0	1 1 1 0	1 1 1 0
Hw Eigenvectors #	270	270	270
Polynomial Order (10-9 error)	379	297	256
Dov Eigenvectors(pair) #	100	100	100
Dov Precision	10-7	10-7	10-7
# Zero Modes	10	9	14
# Overlap Iterations	26,158*	21,700	24,250

(* Locking was on during this run, which might have affected the number of iterations. Locking was off for all other runs)