Commit Graph

316 Commits

Author SHA1 Message Date
e818648cdc makeCapacityAtLeast -> freeAndMakeCapacityAtLeast 2024-03-13 14:01:47 -07:00
12540b8713 maybeDecreaseCapacity policy was too strong
We can allow larger capacities and still pay for the key bytes
2024-03-13 14:00:01 -07:00
a9caa0249e Use plain enum for type
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Tests / Release [gcc] total: 932, passed: 932
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Tests / Release [gcc,aarch64] total: 931, passed: 931
Tests / Coverage total: 930, passed: 930
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My understanding is that this it's now UB for any value that's not
listed to inhabit Type, so the gcc warning about control reaching the
end of a function with an exhaustive switch where every case returns
should go away now.
2024-03-13 13:20:48 -07:00
08b2b7f41a Move comment to above field it's commenting on 2024-03-13 12:38:16 -07:00
26bd8b94cc Lower kBytesPerKey to 144 by changing Node4 to Node3
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Tests / Release [gcc] total: 932, passed: 932
GNU C Compiler (gcc) |Total|New|Outstanding|Fixed|Trend |:-:|:-:|:-:|:-:|:-: |5|0|5|0|:zzz:
Tests / Release [gcc,aarch64] total: 931, passed: 931
Tests / Coverage total: 930, passed: 930
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2024-03-13 12:29:01 -07:00
55eaef5b1d Remove 16 bytes from Node0 2024-03-13 10:59:25 -07:00
797e6b4a3e Use switch for type dispatch throughout 2024-03-13 10:59:19 -07:00
ee86b5289b Rearrange induction inequalities
This looks nicer IMO
2024-03-13 07:31:24 -07:00
b779c0f6f7 Fix induction (again). Now it's 176 bytes per key
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Tests / Release [gcc] total: 932, passed: 932
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Tests / Release [gcc,aarch64] total: 931, passed: 931
Tests / Coverage total: 930, passed: 930
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2024-03-13 07:26:49 -07:00
ef802b8acd Only skip free list from maybeDecreaseCapacity
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Tests / Release [gcc] total: 932, passed: 932
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Tests / Release [gcc,aarch64] total: 931, passed: 931
Tests / Coverage total: 930, passed: 930
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2024-03-12 17:33:28 -07:00
5371c2bede Change kMinChildrenNode4 to 2, fixing the induction
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Tests / Release [gcc] total: 932, passed: 932
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Tests / Release [gcc,aarch64] total: 931, passed: 931
Tests / Coverage total: 930, passed: 930
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2024-03-12 16:34:20 -07:00
75c304bbe7 WIP my understanding of the memory bound induction was wrong 2024-03-12 15:56:34 -07:00
aefb83dbc6 Prepare for erase to invalidate children of parent 2024-03-12 15:54:21 -07:00
4b6b2747bf Relax capacity property so that it _eventually_ needs to hold
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Tests / Release [gcc] total: 827, passed: 827
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Tests / Release [gcc,aarch64] total: 826, passed: 826
Tests / Coverage total: 825, passed: 825
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Doing otherwise turned out to be prohibitively inconvenient

closes #9
2024-03-12 12:48:52 -07:00
1496aa106b Avoid an unnecessary node0 to node4 transition 2024-03-12 11:44:58 -07:00
71e117965e Fix issue with getSearchPath on nullptr on setOldestVersion
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Tests / Release [gcc] total: 827, passed: 827
GNU C Compiler (gcc) |Total|New|Outstanding|Fixed|Trend |:-:|:-:|:-:|:-:|:-: |0|0|0|0|:clap:
Tests / Release [gcc,aarch64] total: 826, passed: 826
Tests / Coverage total: 825, passed: 825
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2024-03-12 11:02:51 -07:00
471b276947 Downsize nodes in erase 2024-03-12 10:31:36 -07:00
b721bc80a9 Document that erase may invalidate search path
It doesn't yet, but it will when we downsize nodes.
2024-03-11 22:47:48 -07:00
5e4eab55fb Avoid re-inserting begin if begin is not a prefix of end 2024-03-11 22:43:52 -07:00
1dcb380c73 Use getInTree in insert 2024-03-11 22:22:49 -07:00
87d650ff00 Change eraseChild to erase 2024-03-11 21:54:20 -07:00
b8f6a8edf2 sizeof(Node0) also needs to be < kBytesPerKey
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Tests / Release [gcc] total: 827, passed: 827
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Tests / Release [gcc,aarch64] total: 826, passed: 826
Tests / Coverage total: 825, passed: 825
weaselab/conflict-set/pipeline/head This commit looks good
Also remove vestigial comment.

CC #9
2024-03-11 18:21:00 -07:00
01f1d5850f Create a Node0 when splitting existing partial key 2024-03-11 18:20:14 -07:00
cd567383c3 Only keep the assume's that actually improve codegen 2024-03-10 14:34:55 -07:00
53a442abf9 Use the assume attribute for gcc 2024-03-10 14:22:47 -07:00
6e212847ac Add assume macro
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Tests / Release [gcc] total: 827, passed: 827
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Tests / Release [gcc,aarch64] total: 826, passed: 826
Tests / Coverage total: 825, passed: 825
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Validated with cachegrind that this reduces instructions executed
2024-03-09 19:45:54 -08:00
44a023c2f4 Bound individual size of allocation to put in free list
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Tests / Release [gcc] total: 827, passed: 827
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Tests / Release [gcc,aarch64] total: 826, passed: 826
Tests / Coverage total: 825, passed: 825
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2024-03-08 22:41:18 -08:00
e32bea7b29 Enforce free list memory bound by tracking bytes directly 2024-03-08 22:30:38 -08:00
504a93bb10 Track partialKeyCapacity
If we use partialKeyLen, then the difference between partialKeyCapacity
and partialKeyLen will slowly grow. We have 3 padding bytes in Node now.
2024-03-08 21:42:26 -08:00
b79d8f71d3 Replace destructor call with static assert
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Tests / Release [gcc] total: 827, passed: 827
GNU C Compiler (gcc) |Total|New|Outstanding|Fixed|Trend |:-:|:-:|:-:|:-:|:-: |0|0|0|0|:clap:
Tests / Release [gcc,aarch64] total: 826, passed: 826
Tests / Coverage total: 825, passed: 825
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2024-03-08 17:17:12 -08:00
34430dbbe7 Remove longestCommonPrefixPartialKey 2024-03-08 17:14:45 -08:00
06fcb2531e Add an analysis on memory usage in static asserts
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Tests / Release [gcc] total: 827, passed: 827
GNU C Compiler (gcc) |Total|New|Outstanding|Fixed|Trend |:-:|:-:|:-:|:-:|:-: |0|0|0|0|:clap:
Tests / Release [gcc,aarch64] total: 826, passed: 826
Tests / Coverage total: 825, passed: 825
weaselab/conflict-set/pipeline/head This commit looks good
CC #9
2024-03-08 17:04:22 -08:00
bd24a362e3 Remove dead code and fix whitespace issue 2024-03-08 16:44:42 -08:00
1437280ec7 Attempt valgrind fix
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Tests / Release [gcc] total: 827, passed: 827
GNU C Compiler (gcc) |Total|New|Outstanding|Fixed|Trend |:-:|:-:|:-:|:-:|:-: |0|0|0|0|:clap:
Tests / Release [gcc,aarch64] total: 826, passed: 826
Tests / Coverage total: 825, passed: 825
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2024-03-08 15:00:40 -08:00
e5051bac9e Clean up some vestiges of fixed-size partial keys
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Tests / Release [gcc] total: 827, passed: 827
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Tests / Release [gcc,aarch64] total: 826, passed: 826
Tests / Coverage total: 825, failed: 1, passed: 824
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2024-03-08 14:56:16 -08:00
3fb8bf7c3b Bring back custom allocator 2024-03-08 14:43:18 -08:00
0c8cb8faa5 Add specializations for partialKey() 2024-03-08 14:01:56 -08:00
93e487c8fb Only track partialKeyCapacity in tests 2024-03-08 13:58:40 -08:00
d91538dcad Variable length partial keys 2024-03-08 13:50:40 -08:00
43a768d152 Reorder some Node fields 2024-03-08 13:33:38 -08:00
2989866a6d Move type field to end of Node 2024-03-08 13:29:02 -08:00
60df97847c Fix missed memcpy update
Everything should be in terms of kNodeCopyBegin and kNodeCopySize now
2024-03-08 13:23:43 -08:00
0038382661 Prepare to bitpack node fields if desired 2024-03-08 13:11:46 -08:00
782abc70d6 Remove custom allocator
To prepare for variable size partial keys
2024-03-08 13:02:33 -08:00
8802d17acd Remove Node::Invalid 2024-03-08 12:57:06 -08:00
02afd47d8f Node1 -> Node0 2024-03-08 12:07:47 -08:00
87dd70c4b6 Fix bug introduced in 5e1fb1dac5
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Tests / Release [gcc] total: 704, passed: 704
GNU C Compiler (gcc) |Total|New|Outstanding|Fixed|Trend |:-:|:-:|:-:|:-:|:-: |1|0|1|0|:zzz:
Tests / Release [gcc,aarch64] total: 703, passed: 703
Tests / Coverage total: 702, passed: 702
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2024-03-07 17:43:34 -08:00
a8042ab20d Simplify firstGeq - make it not stepwise
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Tests / Release [gcc] total: 704, passed: 704
GNU C Compiler (gcc) |Total|New|Outstanding|Fixed|Trend |:-:|:-:|:-:|:-:|:-: |0|0|0|0|:clap: Reference build: <a href="https://jenkins.weaselab.dev/job/weaselab/job/conflict-set/job/main/66//gcc">weaselab » conflict-set » main #66</a>
Tests / Release [gcc,aarch64] total: 703, passed: 703
Tests / Coverage total: 702, passed: 702
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2024-03-07 16:05:38 -08:00
1519216d08 Replace is_pod_v with is_trivial_v
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Tests / Release [gcc] total: 704, passed: 704
GNU C Compiler (gcc) |Total|New|Outstanding|Fixed|Trend |:-:|:-:|:-:|:-:|:-: |0|0|0|1|:clap: Reference build: <a href="https://jenkins.weaselab.dev/job/weaselab/job/conflict-set/job/main/65//gcc">weaselab » conflict-set » main #65</a>
Tests / Release [gcc,aarch64] total: 703, passed: 703
Tests / Coverage total: 702, passed: 702
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2024-03-07 14:26:01 -08:00
f2cd05c29d Move Node::type to beginning of Node
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Tests / Release [gcc] total: 704, passed: 704
GNU C Compiler (gcc) |Total|New|Outstanding|Fixed|Trend |:-:|:-:|:-:|:-:|:-: |1|1|0|0|:-1: Reference build: <a href="https://jenkins.weaselab.dev/job/weaselab/job/conflict-set/job/main/64//gcc">weaselab » conflict-set » main #64</a>
Tests / Release [gcc,aarch64] total: 703, passed: 703
Tests / Coverage total: 702, passed: 702
weaselab/conflict-set/pipeline/head This commit looks good
This prepares us to have a variable size leaf type
2024-03-07 14:17:14 -08:00