2
UMFPACK V5.0.2 (Dec 2, 2006), Control:
2
UMFPACK V5.1.0 (May 31, 2007), Control:
3
3
Matrix entry defined as: double
4
4
Int (generic integer) defined as: int
31
31
10: CPU timer is POSIX times ( ) routine.
32
32
11: compiled for normal operation (debugging disabled)
33
33
computer/operating system: Linux
34
size of int: 4 UF_long: 4 Int: 4 pointer: 4 double: 8 Entry: 8 (in bytes)
34
size of int: 4 UF_long: 8 Int: 4 pointer: 8 double: 8 Entry: 8 (in bytes)
49
49
size of LU: 0.01 (MB)
50
50
memory needed: 0.04 (MB)
51
51
flop count: 0.25E+04
54
UMFPACK V5.0.2 (Dec 2, 2006), Info:
54
UMFPACK V5.1.0 (May 31, 2007), Info:
55
55
matrix entry defined as: double
56
56
Int (generic integer) defined as: int
57
57
BLAS library used: Fortran BLAS. size of BLAS integer: 4
78
78
number of empty columns 0
79
79
submatrix S not square or diagonal not preserved
80
80
symbolic factorization defragmentations: 1
81
symbolic memory usage (Units): 1632
81
symbolic memory usage (Units): 1639
82
82
symbolic memory usage (MBytes): 0.0
83
Symbolic size (Units): 245
83
Symbolic size (Units): 252
84
84
Symbolic size (MBytes): 0
85
85
symbolic factorization CPU time (sec): 0.00
86
86
symbolic factorization wallclock time(sec): 0.00
92
92
symbolic/numeric factorization: upper bound actual %
93
93
variable-sized part of Numeric object:
94
initial size (Units) 1643 1574 96%
94
initial size (Units) 1711 1577 92%
95
95
peak size (Units) 6115 3581 59%
96
final size (Units) 1628 681 42%
97
Numeric final size (Units) 2101 1121 53%
98
Numeric final size (MBytes) 0.0 0.0 53%
99
peak memory usage (Units) 7462 4928 66%
96
final size (Units) 1628 682 42%
97
Numeric final size (Units) 2108 1129 54%
98
Numeric final size (MBytes) 0.0 0.0 54%
99
peak memory usage (Units) 7476 4942 66%
100
100
peak memory usage (MBytes) 0.1 0.0 66%
101
numeric factorization flops 1.41920e+04 2.51800e+03 18%
102
nz in L (incl diagonal) 542 324 60%
101
numeric factorization flops 1.41920e+04 2.50100e+03 18%
102
nz in L (incl diagonal) 542 323 60%
103
103
nz in U (incl diagonal) 902 339 38%
104
nz in L+U (incl diagonal) 1377 596 43%
104
nz in L+U (incl diagonal) 1377 595 43%
105
105
largest front (# entries) 483 80 17%
106
106
largest # rows in front 21 10 48%
107
107
largest # columns in front 23 11 48%
109
109
initial allocation ratio used: 0.7
110
110
# of forced updates due to frontal growth: 0
111
nz in L (incl diagonal), if none dropped 324
111
nz in L (incl diagonal), if none dropped 323
112
112
nz in U (incl diagonal), if none dropped 339
113
113
number of small entries dropped 0
114
114
nonzeros on diagonal of U: 67
115
115
min abs. value on diagonal of U: 2.74e-02
116
116
max abs. value on diagonal of U: 2.28e+00
117
117
estimate of reciprocal of condition number: 1.20e-02
118
indices in compressed pattern: 260
118
indices in compressed pattern: 263
119
119
numerical values stored in Numeric object: 599
120
120
numeric factorization defragmentations: 1
121
121
numeric factorization reallocations: 1
123
123
numeric factorization CPU time (sec): 0.00
124
124
numeric factorization wallclock time (sec): 0.00
126
solve flops: 1.19200e+03
126
solve flops: 1.19000e+03
127
127
iterative refinement steps taken: 0
128
128
iterative refinement steps attempted: 0
129
129
solve CPU time (sec): 0.00
130
130
solve wall clock time (sec): 0.00
132
total symbolic + numeric + solve flops: 3.71000e+03
132
total symbolic + numeric + solve flops: 3.69100e+03
134
norm (A*x-b): 3.10862447E-15
135
norm (A*x-b): 7.05425302E-15
136
norm (A*x-b): 7.05425302E-15