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( cd build && cmake .. && cmake --build . --config Release -j8 )
-- Building CSparse version: v4.3.2 (Mar 22, 2024)
-- Source: /home/faculty/d/davis/dev2/SuiteSparse/CSparse
-- Build: /home/faculty/d/davis/dev2/SuiteSparse/CSparse/build
-- Build type: Release
-- Configuring done (0.0s)
-- Generating done (0.0s)
-- Build files have been written to: /home/faculty/d/davis/dev2/SuiteSparse/CSparse/build
gmake[1]: Entering directory '/home/faculty/d/davis/dev2/SuiteSparse/CSparse/build'
[ 81%] Built target csparse
[ 93%] Built target csparse_static
[ 96%] Built target cs_demo2
[ 98%] Built target cs_demo3
[100%] Built target cs_demo1
gmake[1]: Leaving directory '/home/faculty/d/davis/dev2/SuiteSparse/CSparse/build'
( cd build && cmake -DSUITESPARSE_DEMOS=1 .. && cmake --build . --config Release -j8 )
-- Building CSparse version: v4.3.2 (Mar 22, 2024)
-- Source: /home/faculty/d/davis/dev2/SuiteSparse/CSparse
-- Build: /home/faculty/d/davis/dev2/SuiteSparse/CSparse/build
-- Build type: Release
-- Configuring done (0.0s)
-- Generating done (0.0s)
-- Build files have been written to: /home/faculty/d/davis/dev2/SuiteSparse/CSparse/build
gmake[1]: Entering directory '/home/faculty/d/davis/dev2/SuiteSparse/CSparse/build'
[ 79%] Built target csparse_static
[ 93%] Built target csparse
[ 95%] Built target cs_demo3
[ 97%] Built target cs_demo1
[100%] Built target cs_demo2
gmake[1]: Leaving directory '/home/faculty/d/davis/dev2/SuiteSparse/CSparse/build'
./build/cs_demo1 < ./Matrix/t1
CSparse v4.3.2
T:
CSparse Version 4.3.2, Mar 22, 2024. Copyright (c) Timothy A. Davis, 2006-2023
triplet: 4-by-4, nzmax: 16 nnz: 10
2 2 : 3
1 0 : 3.1
3 3 : 1
0 2 : 3.2
1 1 : 2.9
3 0 : 3.5
3 1 : 0.4
1 3 : 0.9
0 0 : 4.5
2 1 : 1.7
A:
CSparse Version 4.3.2, Mar 22, 2024. Copyright (c) Timothy A. Davis, 2006-2023
4-by-4, nzmax: 10 nnz: 10, 1-norm: 11.1
col 0 : locations 0 to 2
1 : 3.1
3 : 3.5
0 : 4.5
col 1 : locations 3 to 5
1 : 2.9
3 : 0.4
2 : 1.7
col 2 : locations 6 to 7
2 : 3
0 : 3.2
col 3 : locations 8 to 9
3 : 1
1 : 0.9
AT:
CSparse Version 4.3.2, Mar 22, 2024. Copyright (c) Timothy A. Davis, 2006-2023
4-by-4, nzmax: 10 nnz: 10, 1-norm: 7.7
col 0 : locations 0 to 1
0 : 4.5
2 : 3.2
col 1 : locations 2 to 4
0 : 3.1
1 : 2.9
3 : 0.9
col 2 : locations 5 to 6
1 : 1.7
2 : 3
col 3 : locations 7 to 9
0 : 3.5
1 : 0.4
3 : 1
D:
CSparse Version 4.3.2, Mar 22, 2024. Copyright (c) Timothy A. Davis, 2006-2023
4-by-4, nzmax: 16 nnz: 16, 1-norm: 139.58
col 0 : locations 0 to 3
1 : 13.95
3 : 15.75
0 : 100.28
2 : 9.6
col 1 : locations 4 to 7
1 : 88.62
3 : 12.91
0 : 13.95
2 : 4.93
col 2 : locations 8 to 11
1 : 4.93
3 : 0.68
2 : 81.68
0 : 9.6
col 3 : locations 12 to 15
1 : 12.91
3 : 83.2
0 : 15.75
2 : 0.68
./build/cs_demo2 < ./Matrix/t1
--- Matrix: 4-by-4, nnz: 10 (sym: 0: nnz 0), norm: 1.11e+01
blocks: 1 singletons: 0 structural rank: 4
QR natural time: 0.00 resid: 3.06e-17
QR amd(A'*A) time: 0.00 resid: 3.06e-17
LU natural time: 0.00 resid: 1.53e-17
LU amd(A+A') time: 0.00 resid: 1.53e-17
LU amd(S'*S) time: 0.00 resid: 0.00e+00
LU amd(A'*A) time: 0.00 resid: 1.53e-17
./build/cs_demo2 < ./Matrix/ash219
--- Matrix: 219-by-85, nnz: 438 (sym: 0: nnz 0), norm: 9.00e+00
blocks: 1 singletons: 0 structural rank: 85
QR natural time: 0.00 resid: 1.61e-02
QR amd(A'*A) time: 0.00 resid: 1.61e-02
./build/cs_demo2 < ./Matrix/bcsstk01
--- Matrix: 48-by-48, nnz: 224 (sym: -1: nnz 400), norm: 3.57e+09
blocks: 1 singletons: 0 structural rank: 48
QR natural time: 0.00 resid: 2.62e-19
QR amd(A'*A) time: 0.00 resid: 5.27e-19
LU natural time: 0.00 resid: 2.17e-19
LU amd(A+A') time: 0.00 resid: 1.87e-19
LU amd(S'*S) time: 0.00 resid: 2.38e-19
LU amd(A'*A) time: 0.00 resid: 2.38e-19
Chol natural time: 0.00 resid: 2.64e-19
Chol amd(A+A') time: 0.00 resid: 2.55e-19
./build/cs_demo2 < ./Matrix/fs_183_1
--- Matrix: 183-by-183, nnz: 988 (sym: 0: nnz 0), norm: 1.70e+09
zero entries dropped: 71
tiny entries dropped: 10
blocks: 38 singletons: 37 structural rank: 183
QR natural time: 0.00 resid: 6.84e-28
QR amd(A'*A) time: 0.00 resid: 9.38e-28
LU natural time: 0.00 resid: 6.20e-28
LU amd(A+A') time: 0.00 resid: 1.55e-27
LU amd(S'*S) time: 0.00 resid: 6.98e-28
LU amd(A'*A) time: 0.00 resid: 6.98e-28
./build/cs_demo2 < ./Matrix/mbeacxc
--- Matrix: 492-by-490, nnz: 49920 (sym: 0: nnz 0), norm: 9.29e-01
blocks: 10 singletons: 8 structural rank: 448
QR natural time: 0.06 resid: nan
QR amd(A'*A) time: 0.07 resid: nan
./build/cs_demo2 < ./Matrix/west0067
--- Matrix: 67-by-67, nnz: 294 (sym: 0: nnz 0), norm: 6.14e+00
blocks: 2 singletons: 1 structural rank: 67
QR natural time: 0.00 resid: 7.14e-17
QR amd(A'*A) time: 0.00 resid: 3.10e-17
LU natural time: 0.00 resid: 3.89e-17
LU amd(A+A') time: 0.00 resid: 2.27e-17
LU amd(S'*S) time: 0.00 resid: 1.95e-17
LU amd(A'*A) time: 0.00 resid: 2.60e-17
./build/cs_demo2 < ./Matrix/lp_afiro
--- Matrix: 27-by-51, nnz: 102 (sym: 0: nnz 0), norm: 3.43e+00
blocks: 1 singletons: 0 structural rank: 27
QR natural time: 0.00 resid: 3.96e-16
QR amd(A'*A) time: 0.00 resid: 2.25e-16
./build/cs_demo2 < ./Matrix/bcsstk16
--- Matrix: 4884-by-4884, nnz: 147631 (sym: -1: nnz 290378), norm: 7.01e+09
blocks: 75 singletons: 74 structural rank: 4884
QR amd(A'*A) time: 0.65 resid: 1.39e-22
LU amd(A+A') time: 0.32 resid: 1.10e-22
LU amd(S'*S) time: 0.32 resid: 1.28e-22
LU amd(A'*A) time: 0.34 resid: 1.78e-22
Chol amd(A+A') time: 0.11 resid: 1.19e-22
./build/cs_demo3 < ./Matrix/bcsstk01
--- Matrix: 48-by-48, nnz: 224 (sym: -1: nnz 400), norm: 3.57e+09
chol then update/downdate amd(A+A')
symbolic chol time 0.00
numeric chol time 0.00
solve chol time 0.00
original: resid: 2.55e-19
update: time: 0.00
update: time: 0.00 (incl solve) resid: 9.66e-19
rechol: time: 0.00 (incl solve) resid: 1.55e-18
downdate: time: 0.00
downdate: time: 0.00 (incl solve) resid: 3.74e-17
./build/cs_demo3 < ./Matrix/bcsstk16
--- Matrix: 4884-by-4884, nnz: 147631 (sym: -1: nnz 290378), norm: 7.01e+09
chol then update/downdate amd(A+A')
symbolic chol time 0.01
numeric chol time 0.10
solve chol time 0.00
original: resid: 1.19e-22
update: time: 0.00
update: time: 0.00 (incl solve) resid: 1.12e-23
rechol: time: 0.10 (incl solve) resid: 1.17e-23
downdate: time: 0.00
downdate: time: 0.00 (incl solve) resid: 4.09e-22
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