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import ARPACK sources to libcruft from Debian package libarpack2 2.1+parpack96.dfsg-3+b1
author John W. Eaton <jwe@octave.org>
date Fri, 28 Jan 2011 14:04:33 -0500
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12274
9f5d2ef078e8 import ARPACK sources to libcruft from Debian package libarpack2 2.1+parpack96.dfsg-3+b1
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1 c-----------------------------------------------------------------------
9f5d2ef078e8 import ARPACK sources to libcruft from Debian package libarpack2 2.1+parpack96.dfsg-3+b1
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2 c
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3 c Include this file to get timing statistics for the different parts
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4 c of the Arnoldi update iteration. An easy way to initialize all the
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5 c timing information to zero at the beginning is by:
9f5d2ef078e8 import ARPACK sources to libcruft from Debian package libarpack2 2.1+parpack96.dfsg-3+b1
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6 c
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7 c call sstats <-- symmetric code
9f5d2ef078e8 import ARPACK sources to libcruft from Debian package libarpack2 2.1+parpack96.dfsg-3+b1
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8 c call sstatn <-- nonsymmetric code
9f5d2ef078e8 import ARPACK sources to libcruft from Debian package libarpack2 2.1+parpack96.dfsg-3+b1
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9 c call cstatn <-- complex code
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10 c
9f5d2ef078e8 import ARPACK sources to libcruft from Debian package libarpack2 2.1+parpack96.dfsg-3+b1
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11 c-----------------------------------------------------------------------
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12 c
9f5d2ef078e8 import ARPACK sources to libcruft from Debian package libarpack2 2.1+parpack96.dfsg-3+b1
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13 c nopx = total number of user OP*x operation
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14 c nbx = total number of user B*x operation (same as copy when B = I)
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15 c nrorth = total number of reorthogonalization steps taken
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16 c nitref = total number of it. refinement steps in reorthogonalization
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17 c nrstrt = total number of restart steps
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18 c
9f5d2ef078e8 import ARPACK sources to libcruft from Debian package libarpack2 2.1+parpack96.dfsg-3+b1
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19 c-----------------------------------------------------------------------
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20 c
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21 c========================================================
9f5d2ef078e8 import ARPACK sources to libcruft from Debian package libarpack2 2.1+parpack96.dfsg-3+b1
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22 c=== Common to both symmetric and nonsymmetric code ===
9f5d2ef078e8 import ARPACK sources to libcruft from Debian package libarpack2 2.1+parpack96.dfsg-3+b1
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23 c========================================================
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24 c
9f5d2ef078e8 import ARPACK sources to libcruft from Debian package libarpack2 2.1+parpack96.dfsg-3+b1
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25 c tgetv0 = total time spent in generating starting vector and
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26 c restarted vector for the Arnoldi sequence.
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27 c titref = total time spent in iterative refinement phase in SSAITR.
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28 c trvec = total time spent in computing the Ritz vectors before exit.
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29 c
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30 c====================================
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31 c=== Specific to symmetric code ===
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32 c====================================
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33 c
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34 c tsaupd = total time spent in SSAUPD.
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35 c tsaup2 = total time spent in SSAUP2.
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36 c tsaitr = total time spent in the basic Arnoldi iteration loop,
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37 c including iterative refinement in SSAITR.
9f5d2ef078e8 import ARPACK sources to libcruft from Debian package libarpack2 2.1+parpack96.dfsg-3+b1
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38 c tseigt = total time spent in computing the tridiagonal eigenvalue
9f5d2ef078e8 import ARPACK sources to libcruft from Debian package libarpack2 2.1+parpack96.dfsg-3+b1
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39 c subproblem at each iteration.
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40 c tsgets = total time spent in getting the shifts at each iteration.
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41 c tsapps = total time spent in applying the shifts at each iteration.
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42 c tsconv = total time spent in convergence test at each iteration.
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43 c
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44 c=======================================
9f5d2ef078e8 import ARPACK sources to libcruft from Debian package libarpack2 2.1+parpack96.dfsg-3+b1
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45 c=== Specific to nonsymmetric code ===
9f5d2ef078e8 import ARPACK sources to libcruft from Debian package libarpack2 2.1+parpack96.dfsg-3+b1
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46 c=======================================
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47 c
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48 c tnaupd = total time spent in SNAUPD.
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49 c tnaup2 = total time spent in SNAUP2.
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50 c tnaitr = total time spent in the basic Arnoldi iteration loop,
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51 c including iterative refinement in SNAITR.
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52 c tneigh = total time spent in computing the Hessenberg eigenvalue
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53 c subproblem at each iteration.
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54 c tngets = total time spent in getting the shifts at each iteration.
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55 c tnapps = total time spent in applying the shifts at each iteration.
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56 c tnconv = total time spent in convergence test at each iteration.
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57 c
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58 c==================================
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59 c=== Specific to complex code ===
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60 c==================================
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61 c
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62 c tcaupd = total time spent in CNAUPD.
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63 c tcaup2 = total time spent in CNAUP2.
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64 c tcaitr = total time spent in the basic Arnoldi iteration loop,
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65 c including iterative refinement in CNAITR.
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66 c tceigh = total time spent in computing the Hessenberg eigenvalue
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67 c subproblem at each iteration.
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68 c tcgets = total time spent in getting the shifts at each iteration.
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69 c tcapps = total time spent in applying the shifts at each iteration.
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70 c tcconv = total time spent in convergence test at each iteration.
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71 c
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72 c==================
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73 c=== User time ===
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74 c==================
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75 c
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76 c tmvopx = total time spent in computing Y = OP * X
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77 c tmvbx = total time spent in computing Y = B * X
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78 c
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79 c=======================================================================
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80 c