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feat(v4.0.0): a node looks before it writes; two neighbours no longer stop each other

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MESH.md step 4, the fault found there, as ruled (section 7a): a node
writes only to a neighbour that is reading, keeps what it takes in
meanwhile, and loses and counts what it has no room for.

Engine: two more addresses after a node's ports -- which ports have a
neighbour waiting to write to it, which to read from it. Nucleus: (GATE)
before every message; the messages waiting, a ring of 400 cells, dealt
with when the node is idle. Of two neighbours the lower number may wait
to write (ruled after it was built); NEIGHBOUR tells a node who is on
each port.

test_host_mesh.c, 44 checks: the case that stopped the nodes passes; six
messages from each node to each at once all arrive; 800 at once, the
nodes come to rest and every message arrived or was counted (287 arrived,
714 of all kinds let go). test_fabric.c: the two looks. Both widths,
ASan+UBSan.

POST: twelve cases handed HERE, a cell address on v4, to words that take
a byte address, and so wrote into or read from the nucleus's code at cell
HERE/4. Ruled: left out, marked OPEN, until HERE and the byte words are
made to agree as its own step. POST is 538 cases.

hosted-check on three ISAs, 538/538. Bare metal: logs/20261006-134817
(amd64), -135044 (aarch64), -135440 (riscv64).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
rajames
2026-10-06 13:56:57 -04:00
co-authored by Claude Opus 5.5
parent 630d03fa4e
commit f9c034cadd
21 changed files with 1015 additions and 308 deletions
Download Patch File Download Diff File Expand all files Collapse all files
capsules/BLOCK_MAP.md
+66 -66
View File
@@ -1,5 +1,5 @@
# Capsule Block Manifest — Auto-generated
<!-- Generated by mkcapsule --manifest 2026-10-06T15:58:11Z -->
<!-- Generated by mkcapsule --manifest 2026-10-06T17:54:02Z -->
<!-- DO NOT EDIT — re-run mkcapsule --manifest to refresh. -->
<!-- Hand-written justifications and immutability notes live -->
<!-- in MANIFEST.md alongside this auto-generated index. -->
@@ -30,7 +30,7 @@
| `turtle.4th` | 5100, 5101, 5102, 5103, 5104, 5105, 5106, 5107, 5108 | `0x4d470418ca543365` | n/a |
| `user-font-demo.4th` | 4200, 4201, 4202 | `0xce1fd7d1b581a56d` | n/a |
| `v4:forth79.4th` | 6000, 6001, 6002 | `0x4055641ee17d176b` | n/a |
| `v4:post79.4th` | 7000, 7001, 7002, 7003, 7004, 7005, 7006, 7007, 7008, 7009, 7010, 7011, 7012, 7013, 7014, 7015, 7016, 7017, 7018, 7019, 7020, 7021, 7022, 7023, 7024, 7025, 7026, 7027, 7028, 7029, 7030, 7031, 7032, 7033, 7034, 7035, 7036, 7037, 7038, 7039, 7040, 7041, 7042, 7043, 7044, 7045, 7046, 7047, 7048, 7049, 7050, 7051, 7052, 7053, 7054, 7055, 7056, 7057, 7058, 7059, 7060, 7061, 7062, 7063 | `0xb987dbb4388990bd` | n/a |
| `v4:post79.4th` | 7000, 7001, 7002, 7003, 7004, 7005, 7006, 7007, 7008, 7009, 7010, 7011, 7012, 7013, 7014, 7015, 7016, 7017, 7018, 7019, 7020, 7021, 7022, 7023, 7024, 7025, 7026, 7027, 7028, 7029, 7030, 7031, 7032, 7033, 7034, 7035, 7036, 7037, 7038, 7039, 7040, 7041, 7042, 7043, 7044, 7045, 7046, 7047, 7048, 7049, 7050, 7051, 7052, 7053, 7054, 7055, 7056, 7057, 7058, 7059, 7060, 7061, 7062, 7063 | `0xb26d1b974884179d` | n/a |
| `workload-0.4th` | 2200, 2201 | `0x93f86f60aeba8feb` | n/a |
| `workload-1-lite.4th` | 5058, 5059 | `0x44a7a7e3176dcc8d` | n/a |
| `workload-1.4th` | 4406, 4415, 4425, 4435 | `0x63e251adb0a03613` | n/a |
@@ -371,70 +371,70 @@
| 6000 | `v4:forth79.4th` | `0x4055641ee17d176b` | ok |
| 6001 | `v4:forth79.4th` | `0x4055641ee17d176b` | ok |
| 6002 | `v4:forth79.4th` | `0x4055641ee17d176b` | ok |
| 7000 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7001 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7002 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7003 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7004 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7005 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7006 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7007 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7008 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7009 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7010 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7011 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7012 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7013 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7014 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7015 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7016 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7017 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7018 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7019 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7020 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7021 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7022 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7023 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7024 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7025 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7026 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7027 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7028 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7029 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7030 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7031 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7032 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7033 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7034 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7035 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7036 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7037 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7038 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7039 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7040 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7041 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7042 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7043 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7044 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7045 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7046 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7047 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7048 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7049 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7050 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7051 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7052 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7053 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7054 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7055 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7056 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7057 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7058 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7059 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7060 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7061 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7062 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7063 | `v4:post79.4th` | `0xb987dbb4388990bd` | ok |
| 7000 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7001 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7002 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7003 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7004 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7005 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7006 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7007 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7008 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7009 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7010 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7011 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7012 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7013 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7014 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7015 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7016 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7017 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7018 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7019 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7020 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7021 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7022 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7023 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7024 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7025 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7026 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7027 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7028 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7029 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7030 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7031 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7032 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7033 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7034 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7035 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7036 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7037 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7038 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7039 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7040 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7041 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7042 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7043 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7044 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7045 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7046 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7047 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7048 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7049 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7050 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7051 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7052 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7053 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7054 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7055 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7056 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7057 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7058 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7059 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7060 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7061 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7062 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
| 7063 | `v4:post79.4th` | `0xb26d1b974884179d` | ok |
## Conflicts
capsules/v4/nucleus-64.f18
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capsules/v4/post79.4th
+94 -132
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