weaselab/conflict-set
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116c79d3deeb191601fac70f46f75678a3ced511
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183 Commits

Author SHA1 Message Date
Andrew Noyes
116c79d3de Optimize getOrCreateChild 
Add fast path for if it exists

Avoid some unnecessary branches

Try to simplify some
 2024-02-23 12:34:28 -08:00
Andrew Noyes
aaf0283f66 Prefer getChild to getChildGeq in happy path 
Saves instructions according to cachegrind
 2024-02-23 12:12:01 -08:00
Andrew Noyes
259f47664a Save some instructions in getOrCreateChild
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Tests / Release [gcc] total: 471, passed: 471
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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/35//gcc">weaselab » conflict-set » main #35</a>
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Tests / Coverage total: 469, passed: 469
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2024-02-22 22:46:08 -08:00
Andrew Noyes
9a47f2d03a Fixed missed usages of longestCommonPrefixPartialKey
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Tests / Release [gcc] total: 471, passed: 471
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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/34//gcc">weaselab » conflict-set » main #34</a>
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Tests / Coverage total: 469, passed: 469
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2024-02-22 16:24:26 -08:00
Andrew Noyes
b5d5085fd5 Add precondition back to firstNeqStride 2024-02-22 16:16:42 -08:00
Andrew Noyes
40dca168ba Add precondition to longestCommonPrefixPartialKey
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Tests / Release [gcc] total: 471, passed: 471
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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/33//gcc">weaselab » conflict-set » main #33</a>
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Tests / Coverage total: 469, passed: 469
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2024-02-22 16:07:20 -08:00
Andrew Noyes
7a8233ac61 More unnesting 2024-02-22 15:50:54 -08:00
Andrew Noyes
3c93b9a3ce Unnest some in checkPointRead 2024-02-22 15:43:13 -08:00
Andrew Noyes
c16feda9f8 Use longestCommonPrefixPartialKey in SearchStepWise 2024-02-22 15:41:39 -08:00
Andrew Noyes
4c3e7aef30 Save a few instructions in SearchStepWise 2024-02-22 15:30:24 -08:00
Andrew Noyes
7f5598af2b Save a few instructions in addWriteRange 2024-02-22 15:25:50 -08:00
Andrew Noyes
8016d44c04 Use simple loop for longestCommonPrefixPartialKey 
The benchmark has this as faster
 2024-02-22 14:49:04 -08:00
Andrew Noyes
505c060a28 Use longestCommonPrefixPartialKey in insert 2024-02-22 14:46:52 -08:00
Andrew Noyes
608b4fb6c7 Remove some branches 2024-02-22 14:29:24 -08:00
Andrew Noyes
0fbc8b0190 Use longestCommonPrefix on partial keys 2024-02-22 13:57:00 -08:00
Andrew Noyes
3a5db2d2ac Share some Node4/16 and Node48/256 implementations 
This cuts down on the number of instructions (confirmed with
cachegrind). Also avoid initializing some memory unnecessarily.
 2024-02-22 12:31:10 -08:00
Andrew Noyes
09782ba833 Fix O(k^2) behavior when begin is a prefix of end
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Tests / Release [gcc] total: 583, passed: 583
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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/32//gcc">weaselab » conflict-set » main #32</a>
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Tests / Coverage total: 581, passed: 581
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2024-02-21 20:11:37 -08:00
Andrew Noyes
3750aa7b5b Vendor valgrind headers
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Tests / Release [gcc] total: 583, passed: 583
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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/31//gcc">weaselab » conflict-set » main #31</a>
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Tests / Coverage total: 581, passed: 581
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This is encouraged according to https://valgrind.org/docs/manual/manual-core-adv.html#manual-core-adv.clientreq
 2024-02-21 16:15:40 -08:00
Andrew Noyes
28e61340f4 Add valgrind annotations
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Tests / Release [gcc] total: 583, passed: 583
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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/30//gcc">weaselab » conflict-set » main #30</a>
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Tests / Coverage total: 581, passed: 581
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This appears to affect the binary (how else could it possibly work??),
but the microbenchmarks don't show a difference
 2024-02-21 15:58:01 -08:00
Andrew Noyes
07839b4687 Fix class-memaccess warning
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Tests / Release [gcc] total: 583, passed: 583
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GNU C Compiler (gcc) |Total|New|Outstanding|Fixed|Trend |:-:|:-:|:-:|:-:|:-: |0|0|0|4|:clap: Reference build: <a href="https://jenkins.weaselab.dev/job/weaselab/job/conflict-set/job/main/29//gcc">weaselab » conflict-set » main #29</a>
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Tests / Coverage total: 581, passed: 581
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The lifetime of T ended, so it's appropriate to treat it as a void*
 2024-02-21 15:27:46 -08:00
Andrew Noyes
af269ff208 Use a free list
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Tests / Release [gcc] total: 583, passed: 583
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GNU C Compiler (gcc) |Total|New|Outstanding|Fixed|Trend |:-:|:-:|:-:|:-:|:-: |4|4|0|0|:-1: Reference build: <a href="https://jenkins.weaselab.dev/job/weaselab/job/conflict-set/job/main/27//gcc">weaselab » conflict-set » main #27</a>
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Tests / Coverage total: 581, passed: 581
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malloc and free were showing up in profiles of fdbserver
 2024-02-21 13:51:02 -08:00
Andrew Noyes
7e6652003b Remove vestigial arena 2024-02-21 12:06:57 -08:00
Andrew Noyes
48d96ac79a Only pass key to addPointWrite
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Tests / Release [gcc] total: 583, passed: 583
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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/26//gcc">weaselab » conflict-set » main #26</a>
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Tests / Coverage total: 581, passed: 581
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2024-02-20 23:16:03 -08:00
Andrew Noyes
a341b36f63 Detect singleton key ranges
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Tests / Release [gcc] total: 583, passed: 583
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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/25//gcc">weaselab » conflict-set » main #25</a>
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Tests / Coverage total: 581, passed: 581
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2024-02-20 23:09:03 -08:00
Andrew Noyes
4cbbeab55d Remove dead code
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Tests / Release [gcc] total: 583, passed: 583
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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/23//gcc">weaselab » conflict-set » main #23</a>
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Tests / Coverage total: 581, passed: 581
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2024-02-20 15:30:07 -08:00
Andrew Noyes
06f92722f0 Add license
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Tests / Release [gcc] total: 583, passed: 583
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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/22//gcc">weaselab » conflict-set » main #22</a>
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Tests / Coverage total: 581, passed: 581
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2024-02-20 13:22:22 -08:00
Andrew Noyes
ae5277bf78 Interleave checking left and right side
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Tests / Release [gcc] total: 583, passed: 583
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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/20//gcc">weaselab » conflict-set » main #20</a>
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Tests / Coverage total: 581, passed: 581
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2024-02-20 11:28:58 -08:00
Andrew Noyes
c4e18d71a2 CheckRangeRightSide struct 2024-02-20 11:12:10 -08:00
Andrew Noyes
33390af817 CheckRangeLeftSide struct 2024-02-20 11:04:12 -08:00
Andrew Noyes
01a29b69b1 Explain assert 2024-02-19 16:25:15 -08:00
Andrew Noyes
cb2f66b4b7 Remove a check from setOldestVersion 2024-02-19 16:20:04 -08:00
Andrew Noyes
c9baa80212 Implement setOldestVersion 2024-02-19 15:58:59 -08:00
Andrew Noyes
79390b806c Don't repeat common prefix search in addWriteRange
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Tests / Release [gcc] total: 423, passed: 423
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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/18//gcc">weaselab » conflict-set » main #18</a>
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Tests / Coverage total: 421, passed: 421
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2024-02-18 10:43:41 -08:00
Andrew Noyes
cb31f4c25b Fix bugs
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Tests / Release [gcc] total: 423, passed: 423
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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/17//gcc">weaselab » conflict-set » main #17</a>
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Tests / Coverage total: 421, passed: 421
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2024-02-17 22:09:00 -08:00
Andrew Noyes
0799aea3e8 Move newly test-only code 2024-02-16 18:35:28 -08:00
Andrew Noyes
69a1b9099d Share common prefix search in addWriteRange 2024-02-16 17:50:21 -08:00
Andrew Noyes
c20d0c5581 Move addWriteRange into its own function 2024-02-16 17:15:35 -08:00
Andrew Noyes
eb96833eb0 Use sparse scan under a threshold
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Tests / Release [gcc] total: 375, passed: 375
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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/16//gcc">weaselab » conflict-set » main #16</a>
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Tests / Coverage total: 373, passed: 373
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2024-02-15 17:20:25 -08:00
Andrew Noyes
4506b460eb Speed up maxBetweenExclusive 2024-02-15 17:03:19 -08:00
Andrew Noyes
642003fe4f Remove dead code
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Tests / Release [gcc] total: 363, passed: 363
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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/15//gcc">weaselab » conflict-set » main #15</a>
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Tests / Coverage total: 361, passed: 361
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2024-02-15 15:03:33 -08:00
Andrew Noyes
4325d89cf2 Implement checkRangeRightSide 2024-02-15 15:00:16 -08:00
Andrew Noyes
ab9c9a57fa Implement checkRangeLeftSide 2024-02-15 14:33:12 -08:00
Andrew Noyes
d565f75e0e Share search of common prefix
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Tests / Release [gcc] total: 363, passed: 363
Details
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/14//gcc">weaselab » conflict-set » main #14</a>
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Tests / Coverage total: 361, passed: 361
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2024-02-15 11:54:34 -08:00
Andrew Noyes
5a2b734d16 Match planned order better 2024-02-15 11:47:01 -08:00
Andrew Noyes
c2193fdba0 Implement new checkRangeRead idea 2024-02-15 11:37:08 -08:00
Andrew Noyes
98dccf5c23 WIP checkLeftOfPyramid seems to be correct 2024-02-14 17:01:00 -08:00
Andrew Noyes
838d08c70b WIP checkRightOfPyramid seems to be correct 2024-02-14 16:11:57 -08:00
Andrew Noyes
c9b35241e1 Factor out "maxRightOf" 2024-02-14 12:05:33 -08:00
Andrew Noyes
c131398af6 Remove dead code 2024-02-14 11:37:11 -08:00
Andrew Noyes
0d9e184bac Prepare to skip right of c in "left side of pyramid" 2024-02-13 18:49:24 -08:00