History of Catagolue

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The following is an overview of the history of Adam P. Goucher's Catagolue.

2015

  • February 20: Catagolue becomes operative.[1]
  • April 24: the B3/S23/C1 census reaches a total of one trillion objects.[2]
  • September 2: the B3/S23/C1 census reaches a total of ten trillion objects.
  • September 16: the pony express, the first natural infinite-growth pattern other than the block-laying switch engine and glider-producing switch engine is found in a soup.[3] After being initially rejected by Catagolue, the containing haul is recomputed and manually committed on September 28.[4]
  • September 24: Catagolue supports the generation of backups, including daily backups for the C1 symmetry of Conway's Game of Life.[5]
  • October 5: the first instance of Phoenix 1, the last remaining unseen 12-bit object, is found.[6]
  • October 21: the B3/S23/C1 census reaches a total of twenty trillion objects.[7]
  • October 27: the B3/S23/C1 census reaches a total of one trillion soups.[8]

2016

  • January 25: Aidan F. Pierce releases a hacked version of apgsearch v0.54 which can search isotropic non-totalistic Life-like cellular automata rules and upload the results to Catagolue.[9]
  • February 20: the B3/S23/C1 census reaches a total of 50 trillion objects exactly one year after Catagolue was launched.[10]
  • June 20: the B3/S23/C1 census reaches a total of 100 trillion objects.[11]
  • July 5: a new period-16 oscillator, Rich's p16, is discovered in the ash of a D2_+1 soup.[12]
  • July 6: the B3/S23/C1 census reaches a total of 5 trillion soups.[13]
  • August 12: a 56-bit still life, the cloverleaf interchange, is found in the B3/S23/C1 census, making it the largest still life to appear naturally.[14]
  • August 22: the B3/S23/C1 census reaches a total of 100,000 distinct objects.[15]
  • September 4: the B3/S23/C1 census reaches a total of 150 trillion objects.[16]
  • September 20: D2_+2 becomes the first B3/S23 symmetry other than C1 to reach 1 trillion objects.

2017

  • January 13: Catagolue starts collecting slow salvo data using the SS pseudo-symmetry.
  • March 15: B38/S23/C1 (Pedestrian Life) becomes the first rule/symmetry other than B3/S23/C1 to reach 10 trillion objects.
  • May 16: the B3/S23/C1 census reaches a total of 200 trillion objects.[17]
  • August 19: Catagolue gains the ability to census Generations and B0 rules, fed by apgsearch 4.0.[18][19]
  • August 21: Catagolue gains the ability to census Larger than Life rules, fed by apgsearch 4.1.[20][21]
  • September 10: Catagolue gains official support for isotropic non-totalistic rules, fed by apgsearch 4.2.[22][23] Previously, these rules required a hacked version of the original apgsearch Golly script.

2018

2019

  • January 3: the B3/S23/C1 census reaches a total of 300 trillion objects.[45]
  • January 9: Catagolue gains the ability to census Golly rule tables and rule trees, fed by apgsearch 4.8.[46]
  • January 15: Catagolue gains native support for Deficient and Extended Generations rules, fed by apgsearch 4.83.[47]
  • February 12: a Schick engine first appears naturally in an asymmetric soup.[48]
  • March 3: a figure eight on pentadecathlon first appears in an asymmetric soup,[49] making it the highest period oscillator to have occurred naturally.[50]
  • March 24: Catagolue starts collecting data on soups with large final populations, fed by apgsearch 5.03.[51][52]
  • March 27: the first instance of long4 melusine, the last remaining unseen 14-bit still life, is found.[53]
  • March 31: the B3/S23/C1 census reaches a total of one million submitted hauls.[54][55]
  • April 12: Catagolue starts collecting data about glider syntheses from Shinjuku.[56][57]
  • April 14: the B3/S23/C1 census reaches a total of 400 trillion objects.[58][59]
  • May 1: the glider synthesis submission box is added, allowing users to submit syntheses which are automatically parsed during the Catagolue update process.[60][61]
  • May 12: a GPU-powered apgsearch instance finds a natural sidecar in an asymmetric 16x16 soup.[62]
  • September 9: the 17-in-17 glider synthesis project is completed, using Catagolue's synthesis tabulations for bookkeeping.[63]
  • October 9: the 18-bit still life synthesis project is completed, using Catagolue's synthesis tabulations for bookkeeping.[64]
  • December 18: the B3/S23/C1 census reaches a total of 500 trillion objects.[65]
  • December 27: X3VI becomes the first isotropic non-totalistic rule to officially reach 1 trillion objects.[66]

2020

  • February 8: the 19-bit still life synthesis project is completed, using Catagolue's synthesis tabulations for bookkeeping.[67]
  • February 9: Rob's p16 appears in the B3/S23/G1 census, marking Catagolue's first discovery of a new oscillator rotor from asymmetric soup as well as the first period 16 oscillator arising from asymmetry.[68][69]
  • February 11: the B3/S23/C1 census reaches a total of 600 trillion objects.[70]
  • April 1: a natural loafer emerges from a soup in the B3/S23/C1 census submitted by John Goodman.[71]
  • April 2: the B3/S23/C1 census reaches a total of 700 trillion objects.[72][73]
  • April 8: the asymmetric-soups census is created, combining the results from B3/S23/C1 and B3/S23/G1.[74][75]
  • May 4: B3/S23/G1 overtakes B3/S23/C1 in terms of the number of soups investigated.[76]

References

  1. Adam P. Goucher (February 20, 2015). apgsearch v1.0 (discussion thread) at the ConwayLife.com forums
  2. Billabob (April 24, 2015). Re: Soup search results (discussion thread) at the ConwayLife.com forums
  3. Apple Bottom (2015-09-27). "Re: apgsearch v2.2". ConwayLife.com forums. Retrieved on 2016-06-30.
  4. Adam P. Goucher (2015-09-28). "Re: apgsearch v2.2". ConwayLife.com forums. Retrieved on 2016-06-30.
  5. Adam P. Goucher (September 24, 2015). Catagolue backups (discussion thread) at the ConwayLife.com forums
  6. Adam P. Goucher (2015-10-05). "Census (2015-10-05 backup)". Catagolue. Retrieved on 2016-06-29.
  7. Adam P. Goucher. "Census". Catagolue. Retrieved on October 22, 2015.
  8. Adam P. Goucher. "Census". Catagolue. Retrieved on October 27, 2015.
  9. Aidan F. Pierce (January 25, 2016). Re: Hacking apgsearch (discussion thread) at the ConwayLife.com forums
  10. Adam P. Goucher. "Census". Catagolue. Retrieved on February 21, 2016.
  11. Adam P. Goucher. "Census". Catagolue. Retrieved on June 21, 2016.
  12. Ivan Fomichev (July 5, 2016). Re: Soup search results (discussion thread) at the ConwayLife.com forums
  13. Adam P. Goucher. "Census". Catagolue. Retrieved on July 6, 2016.
  14. Apple Bottom (August 12, 2016). Re: Soup search results (discussion thread) at the ConwayLife.com forums
  15. Apple Bottom (August 22, 2016). Re: Soup search results (discussion thread) at the ConwayLife.com forums
  16. Adam P. Goucher. "Census". Catagolue. Retrieved on September 4, 2016.
  17. Adam P. Goucher. "Census". Catagolue. Retrieved on May 16, 2017.
  18. Adam P. Goucher (August 18, 2017). 345/3/8 (discussion thread) at the ConwayLife.com forums
  19. Adam P. Goucher (August 19, 2017). "B0 support". GitLab.
  20. Adam P. Goucher (August 21, 2017). Re: apgsearch v4.0 (discussion thread) at the ConwayLife.com forums
  21. Adam P. Goucher (August 21, 2017). "Larger than Life". GitLab.
  22. Adam P. Goucher (September 10, 2017). Re: apgsearch v4.2 (discussion thread) at the ConwayLife.com forums
  23. Adam P. Goucher (September 10, 2017). "Supports non-totalistic rules". GitLab.
  24. Adam P. Goucher (June 3, 2018). Re: apgsearch v4.0 (discussion thread) at the ConwayLife.com forums
  25. Adam P. Goucher (June 3, 2018). "LtL Generations". GitLab.
  26. Adam P. Goucher (June 3, 2018). "Isotropic Generations". GitLab.
  27. Adam P. Goucher (2018-10-28). Re: apgsearch v4.0 (discussion thread) at the ConwayLife.com forums
  28. Adam P. Goucher (October 28, 2018). "Preliminary support for methuselahs". GitLab.
  29. Apple Bottom (2018-11-03). Re: apgsearch v4.0 (discussion thread) at the ConwayLife.com forums
  30. Adam P. Goucher (October 29, 2018). "BSFKL rulespace". GitLab.
  31. Adam P. Goucher (2018-11-07). Re: apgsearch v4.0 (discussion thread) at the ConwayLife.com forums
  32. Adam P. Goucher (November 7, 2018). "Higher-range outer-totalistic rules". GitLab.
  33. Adam P. Goucher. "Census". Catagolue. Retrieved on November 29, 2018.
  34. Adam P. Goucher (December 1, 2018). Re: Non-totalistic hex rules (discussion thread) at the ConwayLife.com forums
  35. Adam P. Goucher (December 1, 2018). "Hexagonal rules". GitLab.
  36. Adam P. Goucher (December 19, 2018). Re: apgsearch v4.0 (discussion thread) at the ConwayLife.com forums
  37. Adam P. Goucher (December 20, 2018). Re: apgsearch v4.0 (discussion thread) at the ConwayLife.com forums
  38. Adam P. Goucher (December 19, 2018). "Support two more hexagonal symmetries". GitLab.
  39. Adam P. Goucher (December 20, 2018). "More hexagonal symmetries". GitLab.
  40. Billabob (December 11, 2018). Re: Soup search results (discussion thread) at the ConwayLife.com forums
  41. Ian07 (December 11, 2018). Re: apgsearch v4.0 (discussion thread) at the ConwayLife.com forums
  42. Adam P. Goucher (December 11, 2018). "Detect messless methuselahs". GitLab.
  43. Adam P. Goucher (December 12, 2018). Re: Catagolue Discussion Thread (discussion thread) at the ConwayLife.com forums
  44. Adam P. Goucher (December 26, 2018). "MIT licence". GitLab.
  45. Adam P. Goucher. "Census". Catagolue. Retrieved on January 3, 2019.
  46. Adam P. Goucher (January 9, 2019). "Support for custom rules and neighbourhoods". GitLab.
  47. Adam P. Goucher (January 15, 2019). "Native support for Extended Generations and Deficient rules courtesy of M. I. Wright". GitLab.
  48. Adam P. Goucher (February 12, 2019). Re: Soup search results (discussion thread) at the ConwayLife.com forums
  49. testitemqlstudop (March 3, 2019). Re: Soup search results (discussion thread) at the ConwayLife.com forums
  50. Adam P. Goucher. "Statistics". Catagolue. Retrieved on March 3, 2019.
  51. Adam P. Goucher (March 24, 2019). Re: apgsearch v5.0 (discussion thread) at the ConwayLife.com forums
  52. Adam P. Goucher (March 24, 2019). "Log soups with final population exceeding 3000 -- thanks to 'testitemqlstudop' for the suggestion". GitLab.
  53. alphazelf (March 27, 2019). Re: Soup search results (discussion thread) at the ConwayLife.com forums
  54. Ian07 (March 31, 2019). Message in #general-discussion on the Conwaylife Lounge Discord server
  55. Adam P. Goucher. "Census". Catagolue. Retrieved on April 1, 2019.
  56. Adam P. Goucher (April 12, 2019). Message in #tools on the Conwaylife Lounge Discord server
  57. Adam P. Goucher (April 12, 2019). "Potentially allow Catagolue to receive syntheses". GitLab.
  58. Adam P. Goucher. "Census". Catagolue. Retrieved on April 14, 2019.
  59. alphazelf (April 14, 2019). Message in #cgol on the Conwaylife Lounge Discord server
  60. Adam P. Goucher (May 1, 2019). Message in #cgol on the Conwaylife Lounge Discord server
  61. Adam P. Goucher (May 1, 2019). "RLE post box". GitLab.
  62. Ian07 (May 12, 2019). Re: Soup search results (discussion thread) at the ConwayLife.com forums
  63. Tanner Jacobi (September 9, 2019). Re: 17 in 17: Efficient 17-bit synthesis project (discussion thread) at the ConwayLife.com forums
  64. Ian07 (October 9, 2019). Re: 18-bit SL Syntheses (100% Complete!) (discussion thread) at the ConwayLife.com forums
  65. Adam P. Goucher. "Census". Catagolue. Retrieved on December 18, 2019.
  66. 77topaz (December 27, 2019). Message in #naturalistic on the Conwaylife Lounge Discord server
  67. Martin Grant (February 8, 2020). Re: 19-bit still life syntheses (discussion thread) at the ConwayLife.com forums
  68. Adam P. Goucher. "Haul". Catagolue. Retrieved on February 10, 2020.
  69. Tanner Jacobi (February 10, 2020). Re: Oscillator Discussion Thread (discussion thread) at the ConwayLife.com forums
  70. Adam P. Goucher. "Census". Catagolue. Retrieved on February 11, 2020.
  71. Billabob (April 1, 2020). Re: Soup search results (discussion thread) at the ConwayLife.com forums
  72. Adam P. Goucher. "Census". Catagolue. Retrieved on April 2, 2020.
  73. testitemqlstudop (April 2, 2020). Message in #general-discussion on the Conwaylife Lounge Discord server
  74. Adam P. Goucher (April 8, 2020). Re: Catagolue Suggestions Thread (discussion thread) at the ConwayLife.com forums
  75. Adam P. Goucher (April 8, 2020). "Combine C1 and G1 censuses each day". GitLab.
  76. Adam P. Goucher (May 4, 2020). Message in #general-discussion on the Conwaylife Lounge Discord server