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1 | |
2 | Name: Memoize |
3 | What: Transparently speed up functions by caching return values. |
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4 | Version: 1.00 |
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5 | Author: Mark-Jason Dominus (mjd-perl-memoize+@plover.com) |
6 | |
7 | ################################################################ |
8 | |
9 | How to build me: |
10 | |
11 | perl Makefile.PL |
12 | make |
13 | make test |
14 | |
15 | There's a very small chance that the tests in speed.t and |
16 | expire_module_t.t might fail because of clock skew or bizarre system |
17 | load conditions. If the tests there fail, rerun them and see if the |
18 | problem persists. |
19 | |
20 | If the tests work, |
21 | |
22 | make install |
23 | |
24 | If not, please send me a report that mentions which tests failed. |
25 | The address is: mjd-perl-memoize+@plover.com. |
26 | |
27 | ################################################################ |
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28 | What's new since 0.66: |
29 | |
30 | Minor documentation and test changes only. |
31 | |
32 | ################################################################ |
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33 | What's new since 0.65: |
34 | |
35 | Test changes only. |
36 | |
37 | 0.62 was the fist version that would be distributed with Perl. |
38 | I got so absorbed in integrating it that I wrote some tests |
39 | that used Time::HiRes. I knew this was safe because |
40 | Time::HiRes is also distributed with the same versions of |
41 | Perl. I totally forgot that some people will get the module |
42 | off of CPAN without Perl and they may not have TIme::HiRes. |
43 | Sorry! |
44 | |
45 | ################################################################ |
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46 | What's new since 0.62: |
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47 | |
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48 | |
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49 | N O T I C E ! |
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50 | |
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51 | **************************************************************** |
52 | ** ** |
53 | ** The TIE option is now strongly deprecated. It will be ** |
54 | ** permanently removed in the NEXT release of Memoize. ** |
55 | ** Please convert all extant software to use HASH instead. ** |
56 | ** ** |
57 | ** See the manual for details. ** |
58 | ** ** |
59 | **************************************************************** |
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60 | |
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61 | I'm sorry about this. I hate making incompatible changes. But as of |
62 | v0.65, Memoize is included in the Perl core. It is about to become |
63 | much more difficult to make incompatible interface changes; if I don't |
64 | get rid of TIE now, I may not get another chance. |
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65 | |
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66 | TIE presented serious problems. First, it had a bizarre syntax. But |
67 | the big problem was that it was difficult and complicated for |
68 | expiration manager authors to support; evern expiration manager had to |
69 | duplicate the logic for handling TIE. HASH is much simpler to use, |
70 | more powerful, and is trivial for expiration managers to support. |
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71 | |
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72 | Many long-awaited cleanups and bug fixes. |
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73 | |
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74 | Memoize now works under threaded perl |
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75 | |
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76 | Slow tests speeded up. More test file improvements. |
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77 | |
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78 | Long-standing LIST_CACHE bug cleared up---it turns out that there |
79 | never was a bug. I put in tests for it anyway. |
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80 | |
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81 | Manual increased. |
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82 | |