Back Fall; or, Dodge in Hell
Chapters (77)
  1. Title Page
  2. Contents
  3. Dedication
  4. Book 1
  5. Part 1
  6. Chapter 1
  7. Chapter 2
  8. Chapter 3
  9. Chapter 4
  10. Chapter 5
  11. Chapter 6
  12. Chapter 7
  13. Chapter 8
  14. Part 2
  15. Chapter 9
  16. Chapter 10
  17. Chapter 11
  18. Part 3
  19. Chapter 12
  20. Chapter 13
  21. Chapter 14
  22. Chapter 15
  23. Chapter 16
  24. Part 4
  25. Chapter 17
  26. Chapter 18
  27. Chapter 19
  28. Chapter 20
  29. Chapter 21
  30. Chapter 22
  31. Chapter 23
  32. Chapter 24
  33. Part 5
  34. Chapter 25
  35. Chapter 26
  36. Chapter 27
  37. Chapter 28
  38. Chapter 29
  39. Chapter 30
  40. Chapter 31
  41. Chapter 32
  42. Part 6
  43. Chapter 33
  44. Chapter 34
  45. Chapter 35
  46. Chapter 36
  47. Chapter 37
  48. Chapter 38
  49. Chapter 39
  50. Chapter 40
  51. Chapter 41
  52. Part 7
  53. Chapter 42
  54. Book 2
  55. Part 8
  56. Chapter 43
  57. Chapter 44
  58. Part 9
  59. Chapter 45
  60. Chapter 46
  61. Chapter 47
  62. Part 10
  63. Chapter 48
  64. Chapter 49
  65. Part 11
  66. Chapter 50
  67. Chapter 51
  68. Chapter 52
  69. Chapter 53
  70. Chapter 54
  71. Chapter 55
  72. Chapter 56
  73. Map of The Land
  74. Acknowledgments
  75. About The Author
  76. Also By Neal Stephenson
  77. Copyright

“Not all. No,” she said. “The older data—from the first two or so years that the Process was running—can be understood quite clearly as traffic on a neural network. We don’t know what it’s ‘thinking,’” she hastened to add, making quotes with her fingers, “but we can see that the patterns of traffic are what we would expect from a neural network.”

Sophia broke in. “Yes, we started in on this line of research after the New Allocations grew really large.”

“New Allocations” was the admittedly vague term for a phenomenon that had started to become evident late in the first year of the Process and that had been growing exponentially since then. The Process had started with sufficient memory to store its own neural network. At first, it had seemed content with that. But then it had begun to requisition more and more additional resources from the systems to which it had access.

“NMA or NPA?” someone asked.

“M,” Sophia said. For the Process had allocated two kinds of resources for itself as time went on: first memory (hence “NMA,” or “New Memory Allocations”) and later processing power (hence “NPA”). These tended to leapfrog each other; the Process would suddenly grab a lot of memory and grow into it for a while, then demand a new plateau of processing power.

“We’ve known for a while that the use of memory in the NMA doesn’t follow the same pattern as that in the original Process,” another questioner pointed out. “If I may be permitted to anthropomorphize, the Process is using the NMA for some purpose other than simulating its own neural net.”

“Agreed. And that’s precisely what motivated this research,” Sophia responded. “We asked ourselves, if the memory in the NMA isn’t organized—isn’t used—like neural network memory, then just how is it used? What does it look like?”

“And our answer,” Matilda said, “is that it is used in a spacelike way. It is being used to keep track of a fictional or virtual space with permanent characteristics.”

“Like graph paper?” someone asked. Their tone was not so much skeptical as confused.

“Like a spatial manifold. For which graph paper is a metaphor,” Matilda said. “Because we have access to a vast amount of data, we can say much more about the structure of this space. About what is in it. Sophia and I have brought you all here to show you the results. If you would now please all back up, making a clear area in the middle of this space, I will turn on the spatial simulation so that you can see it.”