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* Ported ISAMTree over to new buffer setupDouglas Rumbaugh2024-01-112-65/+72
| | | | | I may still play with the shard from shards constructor, and queries need some work yet too.
* Fixed some potential buffer-related concurrency bugsDouglas Rumbaugh2024-01-111-1/+1
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* MutableBuffer: multithreaded insert test + bugfixesDouglas Rumbaugh2024-01-101-12/+20
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* MutableBuffer+View: Implementation with unit testsDouglas Rumbaugh2024-01-101-141/+113
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* Refactoring: corrected a number of names and added more commentsDouglas Rumbaugh2023-12-131-2/+2
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* Tombstone Compaction: re-enabled tombstone compactionDouglas Rumbaugh2023-11-131-2/+0
| | | | | | | Currently, proactive buffer tombstone compaction is disabled by forcing the buffer tombstone capacity to match its record capacity. It isn't clear how to best handle proactive buffer compactions in an environment where new buffers are spawned anyway.
* Comment and License updatesDouglas Rumbaugh2023-11-0715-22/+22
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* Merge branch 'query-refactor'Douglas Rumbaugh2023-11-0711-278/+249
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| * Switched default DE test case over to ISAMTreeDouglas Rumbaugh2023-11-076-136/+103
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| * Converted WIRS to the new interfaceDouglas Rumbaugh2023-11-071-33/+34
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| * Alias shard fixesDouglas Rumbaugh2023-11-071-4/+4
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| * Refactoring progressDouglas Rumbaugh2023-11-064-106/+110
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* | Scheduling: Switched over to a thread pool modelDouglas Rumbaugh2023-11-062-1/+8
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* DE CC Testing: initial test file for FIFOSchedulerDouglas B. Rumbaugh2023-10-311-0/+461
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* DE Tests: updated existing tests to use single threaded operationDouglas B. Rumbaugh2023-10-314-4/+5
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* Initial pass w/ new scheduler setupDouglas Rumbaugh2023-10-201-3/+4
| | | | currently there's a race condition of some type to sort out.
* Re-structuring Project + scheduling updatesDouglas Rumbaugh2023-09-253-7/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a big one--probably should have split it apart, but I'm feeling lazy this morning. * Organized the mess of header files in include/framework by splitting them out into their own subdirectories, and renaming a few files to remove redundancies introduced by the directory structure. * Introduced a new framework/ShardRequirements.h header file for simpler shard development. This header simply contains the necessary includes from framework/* for creating shard files. This should help to remove structural dependencies from the framework file structure and shards, as well as centralizing the necessary framework files to make shard development easier. * Created a (currently dummy) SchedulerInterface, and make the scheduler implementation a template parameter of the dynamic extension for easier testing of various scheduling policies. There's still more work to be done to fully integrate the scheduler (queries, multiple buffers), but some more of the necessary framework code for this has been added as well. * Adjusted the Task interface setup for the scheduler. The task structures have been removed from ExtensionStructure and placed in their own header file. Additionally, I started experimenting with using std::variant, as opposed to inheritence, to implement subtype polymorphism on the Merge and Query tasks. The scheduler now has a general task queue that contains both, and std::variant, std::visit, and std::get are used to manipulate them without virtual functions. * Removed Alex.h, as it can't build anyway. There's a branch out there containing the Alex implementation stripped of the C++20 stuff. So there's no need to keep it here.
* Bugfixes for tieringDouglas Rumbaugh2023-09-201-0/+24
| | | | | | | | | | | | Fixed a few issues that manifested during the tiering tests, 1) When a version is copied, it now contains copies of the levels, not just pointers (the levels themselves still hold pointers to the shards, though). 2) Ensure that tasks are scheduled with the correct timestamp, they were originally being scheduled backwards. The get_merge_tasks() method already returns them in the correct order, so reversing them again put it in the wrong order.
* General bugfixesDouglas Rumbaugh2023-09-181-3/+1
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* Began re-architecting the project for concurrency supportDouglas Rumbaugh2023-09-131-2/+2
| | | | | The project is now in a state where it builds, but it probably has a lot of bugs still.
* Migrated over to using psudb-common utilities/headersDouglas Rumbaugh2023-08-241-3/+3
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* Removed unused pagedfile headerDouglas Rumbaugh2023-08-241-363/+0
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* Expanded query interfaceDouglas Rumbaugh2023-07-274-12/+12
| | | | | Query interface now enables skipping of delete processing and stopping query processing when first match is found.
* VPTree: added a level of indirection to avoid repeated point copiesDouglas Rumbaugh2023-07-241-18/+25
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* VPTree: fixed knn queryDouglas Rumbaugh2023-07-241-9/+65
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* Cosine Similarity TypeDouglas Rumbaugh2023-07-241-1/+1
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* Added the parameter argument to query merge routineDouglas Rumbaugh2023-07-174-4/+4
| | | | | This is necessary for KNN, but it unused for all currently implemented query types.
* VPTree: changed Point format to a D-dimensional point.Douglas Rumbaugh2023-07-171-6/+6
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* VPTree: use a secondary hash-table for point lookupsDouglas Rumbaugh2023-07-171-4/+2
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* Initial commit of VPTree-related codeDouglas Rumbaugh2023-07-132-5/+188
| | | | | | Point lookups are currently broken; I suspect that there is something wrong with tree construction, although the quickselect implementation seems to be fine.
* Fixed query errorsDouglas Rumbaugh2023-07-031-7/+48
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* PGM Tests: added proper testing for query mergingDouglas Rumbaugh2023-07-031-1/+45
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* Adjusted tests to account for new sampling interfaceDouglas B. Rumbaugh2023-06-093-0/+15
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* Fixed bug(s) in tagging-based deletesDouglas B. Rumbaugh2023-06-091-9/+8
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* Build changes and interface cleanupDouglas B. Rumbaugh2023-06-092-13/+13
| | | | | | | | | | Renamed the get_record_cnt() functions to get_record_count() for consistency, dropped references to SSIs, and added openmp build flags for PGM related targets. Also adjusted dynamic_extension_tests.inc to fail when an erase fails during the static structure testing as part of debugging a delete cancellation problem under leveling.
* triespline tests: added <functional> headerDouglas B. Rumbaugh2023-06-091-0/+2
| | | | | For some reason, this is necessary on some of my machines for the test to build.
* Adjusted DE tests to cover all policy configurationsDouglas Rumbaugh2023-06-075-12/+100
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* Interface adjustmentsDouglas Rumbaugh2023-06-077-15/+15
| | | | | | Layout and Delete Policies are now specified via template parameters, and rejection sampling has been removed as an argument to the mutable buffer constructor.
* Added TrieSpline and PGM Range queries + tests and bugfixesDouglas Rumbaugh2023-06-053-3/+144
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* PGM-based shardDouglas Rumbaugh2023-06-051-0/+217
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* TrieSpline tests+bugfixesDouglas Rumbaugh2023-06-051-0/+217
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* Test refactoring: pulled record stripping function to testing.hDouglas Rumbaugh2023-06-054-33/+11
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* Added point-lookup tests for WIRS and WSSDouglas Rumbaugh2023-06-053-0/+101
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* WSS tests + bugfixesDouglas Rumbaugh2023-06-052-9/+363
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* MemISAM tests + bugfixesDouglas Rumbaugh2023-06-051-130/+290
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* Fixed uninitialized record header issueDouglas Rumbaugh2023-05-301-4/+0
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* Framework query bugfixesDouglas Rumbaugh2023-05-291-9/+18
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* Framework-level query testing + fixesDouglas Rumbaugh2023-05-292-9/+13
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* WIRS Query tests + fixesDouglas Rumbaugh2023-05-291-80/+127
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* Adjusted the way that Wrapping records works to clean up interfacesDouglas Rumbaugh2023-05-295-79/+63
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