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Re: [PATCH 3/3] Diff overhaul, adding the other half...

From
Junio C Hamano <junkio@cox.net>
Date
May 21, 2005, 20:10 UTC
Message-ID
<7vk6lsgx1p.fsf@assigned-by-dhcp.cox.net>
In-Reply-To
<Pine.LNX.4.58.0505211137250.2206@ppc970.osdl.org>
>>>>> "LT" == Linus Torvalds <torvalds@osdl.org> writes:

LT> Hmm.. It's not working well. Not only does it take a lot of LT> CPU time...

LT> torvalds@ppc970:~/v2.6/linux> wc -c drivers/media/dvb/bt8xx/dst_ca.h drivers/usb/misc/emi62_fw_m.h LT> 1591 drivers/media/dvb/bt8xx/dst_ca.h LT> 795679 drivers/usb/misc/emi62_fw_m.h LT> 797270 total

Yup. diffcore-rename bases the similarity index on the average of src and dst files. Maybe the similarity check should also say they should be comparable size, like this upfront before even going into delta:

    abs(src-dst) < avg(src,dst) * (1 - minscore/maxscore)
Previous: Linus TorvaldsNext: Junio C Hamano
Message 34 of 43 in “Detect renames in diff family.”
  1. Detect renames in diff family.Junio C Hamano, May 19, 2005
  2. Linus TorvaldsMay 19, 2005
  3. Junio C HamanoMay 19, 2005
  4. Linus TorvaldsMay 19, 2005
  5. Nicolas PitreMay 19, 2005
  6. Junio C HamanoMay 19, 2005
  7. Nicolas PitreMay 19, 2005
  8. Junio C HamanoMay 19, 2005
  9. Nicolas PitreMay 19, 2005
  10. Junio C HamanoMay 19, 2005
  11. Linus TorvaldsMay 19, 2005
  12. Junio C HamanoMay 19, 2005
  13. Linus TorvaldsMay 20, 2005
  14. Junio C HamanoMay 20, 2005
  15. Junio C HamanoMay 19, 2005
  16. Junio C HamanoMay 19, 2005
  17. Linus TorvaldsMay 19, 2005
  18. Junio C HamanoMay 19, 2005
  19. H. Peter AnvinMay 19, 2005
  20. Joel BeckerMay 19, 2005
  21. Junio C HamanoMay 21, 2005
  22. 1/3 Diff overhaul, adding half of copy detection.Junio C Hamano, May 21, 2005
  23. 2/3 Introducing software archaeologist's tool "pickaxe".Junio C Hamano, May 21, 2005
  24. Constness fix for pickaxe option.Junio C Hamano, May 21, 2005
  25. Linus TorvaldsMay 21, 2005
  26. 3/3 Diff overhaul, adding the other half of copy detection.Junio C Hamano, May 21, 2005
  27. Teach diff-tree to report unmodified paths for -C option.Junio C Hamano, May 21, 2005
  28. Junio C HamanoMay 21, 2005
  29. Linus TorvaldsMay 21, 2005
  30. Junio C HamanoMay 21, 2005
  31. Linus TorvaldsMay 21, 2005
  32. Linus TorvaldsMay 21, 2005
  33. Linus TorvaldsMay 21, 2005
  34. Junio C HamanoMay 21, 2005
  35. Junio C HamanoMay 24, 2005
  36. Linus TorvaldsMay 24, 2005
  37. Junio C HamanoMay 24, 2005
  38. Linus TorvaldsMay 24, 2005
  39. Junio C HamanoMay 24, 2005
  40. Detect copies harder in diff-tree.Junio C Hamano, May 26, 2005
  41. Junio C HamanoMay 21, 2005
  42. Tweak diffcore-rename heuristics.Junio C Hamano, May 21, 2005
  43. Now I think I am done with diff...Junio C Hamano, May 23, 2005

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