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.
  • April 24: the B3/S23/C1 census reaches a total of one trillion objects.
  • 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.[1] After being initially rejected by Catagolue, the containing haul is recomputed and manually committed on September 28.[2]
  • October 5: the first instance of Phoenix 1, the last remaining unseen 12-bit object, is found.[3]

2016

  • June 20: the B3/S23/C1 census reaches a total of 100 trillion objects.
  • July 5: a new period-16 oscillator, Rich's p16, is discovered in the ash of a D2_+1 soup.
  • July 6: the B3/S23/C1 census reaches a total of 5 trillion soups.
  • August 22: the B3/S23/C1 census reaches a total of 100,000 distinct objects.
  • September 4: the B3/S23/C1 census reaches a total of 150 trillion objects.
  • 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.
  • August 19: Catagolue gains the ability to census Generations and B0 rules, fed by apgsearch 4.0.[4]
  • August 21: Catagolue gains the ability to census Larger than Life rules, fed by apgsearch 4.1.

References

  1. Apple Bottom (2015-09-27). "Re: apgsearch v2.2". ConwayLife.com forums. Retrieved on 2016-06-30.
  2. Adam P. Goucher (2015-09-28). "Re: apgsearch v2.2". ConwayLife.com forums. Retrieved on 2016-06-30.
  3. Adam P. Goucher (2015-10-05). "Census (2015-10-05 backup)". Catagolue. Retrieved on 2016-06-29.
  4. 345/3/8 (discussion thread) at the ConwayLife.com forums