Optimize an index so as to allow faster searches. verbose If True, messages about the progress of the optimization process are printed out.
(self, verbose: bool = False)
| 866 | show_stats("Exiting appendLR", tref) |
| 867 | |
| 868 | def optimize(self, verbose: bool = False) -> None: |
| 869 | """Optimize an index so as to allow faster searches. |
| 870 | |
| 871 | verbose |
| 872 | If True, messages about the progress of the |
| 873 | optimization process are printed out. |
| 874 | |
| 875 | """ |
| 876 | if not self.temp_required: |
| 877 | return |
| 878 | |
| 879 | if verbose: |
| 880 | self.verbose = True |
| 881 | else: |
| 882 | self.verbose = debug |
| 883 | |
| 884 | # Initialize last_tover and last_nover |
| 885 | self.last_tover = 0 |
| 886 | self.last_nover = 0 |
| 887 | |
| 888 | # Compute the correct optimizations for current optim level |
| 889 | opts = calcoptlevels(self.nblocks, self.optlevel, self.indsize) |
| 890 | optmedian, optstarts, optstops, optfull = opts |
| 891 | |
| 892 | if debug: |
| 893 | print("optvalues:", opts) |
| 894 | |
| 895 | self.create_temp2() |
| 896 | # Start the optimization process |
| 897 | while True: |
| 898 | if optfull: |
| 899 | for niter in range(optfull): |
| 900 | if self.swap("chunks", "median"): |
| 901 | break |
| 902 | if self.nblocks > 1: |
| 903 | # Swap slices only in the case that we have |
| 904 | # several blocks |
| 905 | if self.swap("slices", "median"): |
| 906 | break |
| 907 | if self.swap("chunks", "median"): |
| 908 | break |
| 909 | if self.swap("chunks", "start"): |
| 910 | break |
| 911 | if self.swap("chunks", "stop"): |
| 912 | break |
| 913 | else: |
| 914 | if optmedian: |
| 915 | if self.swap("chunks", "median"): |
| 916 | break |
| 917 | if optstarts: |
| 918 | if self.swap("chunks", "start"): |
| 919 | break |
| 920 | if optstops: |
| 921 | if self.swap("chunks", "stop"): |
| 922 | break |
| 923 | break # If we reach this, exit the loop |
| 924 | |
| 925 | # Check if we require a complete sort. Important: this step |
no test coverage detected