weaselab/conflict-set
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andrew a9caa0249e Use plain enum for type
Tests / Release [gcc] total: 932, passed: 932
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GNU C Compiler (gcc) |Total|New|Outstanding|Fixed|Trend |:-:|:-:|:-:|:-:|:-: |5|0|5|0|:zzz:
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Tests / Release [gcc,aarch64] total: 931, passed: 931
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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
andrew 08b2b7f41a Move comment to above field it's commenting on 2024-03-13 12:38:16 -07:00
andrew 26bd8b94cc Lower kBytesPerKey to 144 by changing Node4 to Node3
Tests / Release [gcc] total: 932, passed: 932
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GNU C Compiler (gcc) |Total|New|Outstanding|Fixed|Trend |:-:|:-:|:-:|:-:|:-: |5|0|5|0|:zzz:
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Tests / Release [gcc,aarch64] total: 931, passed: 931
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Tests / Coverage total: 930, passed: 930
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2024-03-13 12:29:01 -07:00
andrew 55eaef5b1d Remove 16 bytes from Node0 2024-03-13 10:59:25 -07:00
andrew 797e6b4a3e Use switch for type dispatch throughout 2024-03-13 10:59:19 -07:00
andrew ee86b5289b Rearrange induction inequalities 
This looks nicer IMO
 2024-03-13 07:31:24 -07:00
andrew b779c0f6f7 Fix induction (again). Now it's 176 bytes per key
Tests / Release [gcc] total: 932, passed: 932
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GNU C Compiler (gcc) |Total|New|Outstanding|Fixed|Trend |:-:|:-:|:-:|:-:|:-: |0|0|0|0|:clap:
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Tests / Release [gcc,aarch64] total: 931, passed: 931
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Tests / Coverage total: 930, passed: 930
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2024-03-13 07:26:49 -07:00
andrew ef802b8acd Only skip free list from maybeDecreaseCapacity
Tests / Release [gcc] total: 932, passed: 932
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GNU C Compiler (gcc) |Total|New|Outstanding|Fixed|Trend |:-:|:-:|:-:|:-:|:-: |0|0|0|0|:clap:
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Tests / Release [gcc,aarch64] total: 931, passed: 931
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Tests / Coverage total: 930, passed: 930
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2024-03-12 17:33:28 -07:00
andrew 5371c2bede Change kMinChildrenNode4 to 2, fixing the induction
Tests / Release [gcc] total: 932, passed: 932
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GNU C Compiler (gcc) |Total|New|Outstanding|Fixed|Trend |:-:|:-:|:-:|:-:|:-: |0|0|0|0|:clap:
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Tests / Release [gcc,aarch64] total: 931, passed: 931
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Tests / Coverage total: 930, passed: 930
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2024-03-12 16:34:20 -07:00
andrew 75c304bbe7 WIP my understanding of the memory bound induction was wrong 2024-03-12 15:56:34 -07:00
andrew aefb83dbc6 Prepare for erase to invalidate children of parent 2024-03-12 15:54:21 -07:00
andrew b0ac7e41b9 Update corpus 2024-03-12 14:52:43 -07:00
andrew 4b6b2747bf Relax capacity property so that it _eventually_ needs to hold
Tests / Release [gcc] total: 827, passed: 827
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GNU C Compiler (gcc) |Total|New|Outstanding|Fixed|Trend |:-:|:-:|:-:|:-:|:-: |0|0|0|0|:clap:
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Tests / Release [gcc,aarch64] total: 826, passed: 826
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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
andrew 1496aa106b Avoid an unnecessary node0 to node4 transition 2024-03-12 11:44:58 -07:00
andrew 71e117965e Fix issue with getSearchPath on nullptr on setOldestVersion
Tests / Release [gcc] total: 827, passed: 827
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GNU C Compiler (gcc) |Total|New|Outstanding|Fixed|Trend |:-:|:-:|:-:|:-:|:-: |0|0|0|0|:clap:
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Tests / Release [gcc,aarch64] total: 826, passed: 826
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Tests / Coverage total: 825, passed: 825
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2024-03-12 11:02:51 -07:00
andrew 471b276947 Downsize nodes in erase 2024-03-12 10:31:36 -07:00
andrew 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
andrew 5e4eab55fb Avoid re-inserting begin if begin is not a prefix of end 2024-03-11 22:43:52 -07:00
andrew 1dcb380c73 Use getInTree in insert 2024-03-11 22:22:49 -07:00
andrew 87d650ff00 Change eraseChild to erase 2024-03-11 21:54:20 -07:00
andrew b8f6a8edf2 sizeof(Node0) also needs to be < kBytesPerKey
Tests / Release [gcc] total: 827, passed: 827
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GNU C Compiler (gcc) |Total|New|Outstanding|Fixed|Trend |:-:|:-:|:-:|:-:|:-: |0|0|0|0|:clap:
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Tests / Release [gcc,aarch64] total: 826, passed: 826
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Tests / Coverage total: 825, passed: 825
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Also remove vestigial comment.

CC #9
 2024-03-11 18:21:00 -07:00
andrew 01f1d5850f Create a Node0 when splitting existing partial key 2024-03-11 18:20:14 -07:00
andrew cd567383c3 Only keep the assume's that actually improve codegen 2024-03-10 14:34:55 -07:00
andrew 53a442abf9 Use the assume attribute for gcc 2024-03-10 14:22:47 -07:00
andrew 6e212847ac Add assume macro
Tests / Release [gcc] total: 827, passed: 827
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GNU C Compiler (gcc) |Total|New|Outstanding|Fixed|Trend |:-:|:-:|:-:|:-:|:-: |0|0|0|0|:clap:
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Tests / Release [gcc,aarch64] total: 826, passed: 826
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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
andrew 44a023c2f4 Bound individual size of allocation to put in free list
Tests / Release [gcc] total: 827, passed: 827
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GNU C Compiler (gcc) |Total|New|Outstanding|Fixed|Trend |:-:|:-:|:-:|:-:|:-: |0|0|0|0|:clap:
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Tests / Release [gcc,aarch64] total: 826, passed: 826
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Tests / Coverage total: 825, passed: 825
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2024-03-08 22:41:18 -08:00
andrew e32bea7b29 Enforce free list memory bound by tracking bytes directly 2024-03-08 22:30:38 -08:00
andrew 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
andrew b79d8f71d3 Replace destructor call with static assert
Tests / Release [gcc] total: 827, passed: 827
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GNU C Compiler (gcc) |Total|New|Outstanding|Fixed|Trend |:-:|:-:|:-:|:-:|:-: |0|0|0|0|:clap:
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Tests / Release [gcc,aarch64] total: 826, passed: 826
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Tests / Coverage total: 825, passed: 825
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2024-03-08 17:17:12 -08:00
andrew 34430dbbe7 Remove longestCommonPrefixPartialKey 2024-03-08 17:14:45 -08:00
andrew 06fcb2531e Add an analysis on memory usage in static asserts
Tests / Release [gcc] total: 827, passed: 827
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GNU C Compiler (gcc) |Total|New|Outstanding|Fixed|Trend |:-:|:-:|:-:|:-:|:-: |0|0|0|0|:clap:
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Tests / Release [gcc,aarch64] total: 826, passed: 826
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Tests / Coverage total: 825, passed: 825
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CC #9
 2024-03-08 17:04:22 -08:00
andrew bd24a362e3 Remove dead code and fix whitespace issue 2024-03-08 16:44:42 -08:00
andrew 1437280ec7 Attempt valgrind fix
Tests / Release [gcc] total: 827, passed: 827
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GNU C Compiler (gcc) |Total|New|Outstanding|Fixed|Trend |:-:|:-:|:-:|:-:|:-: |0|0|0|0|:clap:
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Tests / Release [gcc,aarch64] total: 826, passed: 826
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Tests / Coverage total: 825, passed: 825
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2024-03-08 15:00:40 -08:00
andrew e5051bac9e Clean up some vestiges of fixed-size partial keys
Tests / Release [gcc] total: 827, passed: 827
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GNU C Compiler (gcc) |Total|New|Outstanding|Fixed|Trend |:-:|:-:|:-:|:-:|:-: |0|0|0|0|:clap:
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Tests / Release [gcc,aarch64] total: 826, passed: 826
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Tests / Coverage total: 825, failed: 1, passed: 824
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2024-03-08 14:56:16 -08:00
andrew 733f32b22e Bring back precommit check for SHOW_MEMORY
Tests / Release [gcc] total: 827, passed: 827
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GNU C Compiler (gcc) |Total|New|Outstanding|Fixed|Trend |:-:|:-:|:-:|:-:|:-: |1|0|1|0|:zzz:
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Tests / Release [gcc,aarch64] total: 826, passed: 826
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Tests / Coverage total: 825, failed: 1, passed: 824
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weaselab/conflict-set/pipeline/head There was a failure building this commit
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2024-03-08 14:44:35 -08:00
andrew 3fb8bf7c3b Bring back custom allocator 2024-03-08 14:43:18 -08:00
andrew 0c8cb8faa5 Add specializations for partialKey() 2024-03-08 14:01:56 -08:00
andrew 93e487c8fb Only track partialKeyCapacity in tests 2024-03-08 13:58:40 -08:00
andrew d91538dcad Variable length partial keys 2024-03-08 13:50:40 -08:00
andrew 43a768d152 Reorder some Node fields 2024-03-08 13:33:38 -08:00
andrew 2989866a6d Move type field to end of Node 2024-03-08 13:29:02 -08:00
andrew 60df97847c Fix missed memcpy update 
Everything should be in terms of kNodeCopyBegin and kNodeCopySize now
 2024-03-08 13:23:43 -08:00
andrew 0038382661 Prepare to bitpack node fields if desired 2024-03-08 13:11:46 -08:00
andrew 782abc70d6 Remove custom allocator 
To prepare for variable size partial keys
 2024-03-08 13:02:33 -08:00
andrew 8802d17acd Remove Node::Invalid 2024-03-08 12:57:06 -08:00
andrew 02afd47d8f Node1 -> Node0 2024-03-08 12:07:47 -08:00
andrew 987e93b190 Update corpus
Tests / Release [gcc] total: 827, passed: 827
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GNU C Compiler (gcc) |Total|New|Outstanding|Fixed|Trend |:-:|:-:|:-:|:-:|:-: |0|0|0|0|:clap:
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Tests / Release [gcc,aarch64] total: 826, passed: 826
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Tests / Coverage total: 825, passed: 825
Details
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2024-03-07 18:31:04 -08:00
andrew 81263f5abf Remove -Wpedantic for gcc
Tests / Release [gcc] total: 704, passed: 704
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GNU C Compiler (gcc) |Total|New|Outstanding|Fixed|Trend |:-:|:-:|:-:|:-:|:-: |0|0|0|0|:clap:
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Tests / Release [gcc,aarch64] total: 703, passed: 703
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Tests / Coverage total: 702, passed: 702
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2024-03-07 17:53:23 -08:00
andrew 2689901637 Suppress gcc warning about anon structs
Tests / Release [gcc] total: 704, passed: 704
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GNU C Compiler (gcc) |Total|New|Outstanding|Fixed|Trend |:-:|:-:|:-:|:-:|:-: |1|0|1|0|:zzz:
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Tests / Release [gcc,aarch64] total: 703, passed: 703
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Tests / Coverage total: 702, passed: 702
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2024-03-07 17:48:44 -08:00
andrew 87dd70c4b6 Fix bug introduced in 5e1fb1dac5
Tests / Release [gcc] total: 704, passed: 704
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GNU C Compiler (gcc) |Total|New|Outstanding|Fixed|Trend |:-:|:-:|:-:|:-:|:-: |1|0|1|0|:zzz:
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Tests / Release [gcc,aarch64] total: 703, passed: 703
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Tests / Coverage total: 702, passed: 702
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2024-03-07 17:43:34 -08:00