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Merged
gcarreno merged 1 commit into from
Mar 20, 2024
Merged

entries: Add entry #26

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14 changes: 14 additions & 0 deletions entries/laksen/README.md
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# Lurendrejer Aksen

Applies a very lowlevel solution to the problem. No tricks, only threads.

1. Split file into chunks at line-ending boundaries.
2. Process all chunks in a number of threads. Add parsed information in thread local hash tables.
3. Merge hash tables in a sorted list when the threads exit.
4. Dump sorted information.

## Example for a 16 core machine

```sh
./bin/laksen datafile.csv 16 16
```
102 changes: 102 additions & 0 deletions entries/laksen/src/laksen.lpi
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<?xml version="1.0" encoding="UTF-8"?>
<CONFIG>
<ProjectOptions>
<Version Value="12"/>
<General>
<Flags>
<MainUnitHasCreateFormStatements Value="False"/>
<MainUnitHasTitleStatement Value="False"/>
<MainUnitHasScaledStatement Value="False"/>
</Flags>
<SessionStorage Value="InProjectDir"/>
<Title Value="laksen"/>
<UseAppBundle Value="False"/>
<ResourceType Value="res"/>
</General>
<BuildModes>
<Item Name="Debug" Default="True"/>
<Item Name="Release">
<CompilerOptions>
<Version Value="11"/>
<Target>
<Filename Value="../../../bin/laksen"/>
</Target>
<SearchPaths>
<IncludeFiles Value="$(ProjOutDir)"/>
<UnitOutputDirectory Value="../../../bin/lib/$(TargetCPU)-$(TargetOS)"/>
</SearchPaths>
<CodeGeneration>
<SmartLinkUnit Value="True"/>
<Optimizations>
<OptimizationLevel Value="3"/>
</Optimizations>
</CodeGeneration>
<Linking>
<Debugging>
<GenerateDebugInfo Value="False"/>
<RunWithoutDebug Value="True"/>
</Debugging>
<LinkSmart Value="True"/>
</Linking>
</CompilerOptions>
</Item>
</BuildModes>
<PublishOptions>
<Version Value="2"/>
<UseFileFilters Value="True"/>
</PublishOptions>
<RunParams>
<FormatVersion Value="2"/>
</RunParams>
<Units>
<Unit>
<Filename Value="laksen.lpr"/>
<IsPartOfProject Value="True"/>
</Unit>
</Units>
</ProjectOptions>
<CompilerOptions>
<Version Value="11"/>
<Target>
<Filename Value="../../../bin/laksen"/>
</Target>
<SearchPaths>
<UnitOutputDirectory Value="../../../bin/lib/$(TargetCPU)-$(TargetOS)"/>
</SearchPaths>
<Parsing>
<SyntaxOptions>
<IncludeAssertionCode Value="True"/>
</SyntaxOptions>
</Parsing>
<CodeGeneration>
<Checks>
<IOChecks Value="True"/>
<RangeChecks Value="True"/>
<OverflowChecks Value="True"/>
<StackChecks Value="True"/>
</Checks>
<VerifyObjMethodCallValidity Value="True"/>
</CodeGeneration>
<Linking>
<Debugging>
<DebugInfoType Value="dsDwarf3"/>
<UseHeaptrc Value="True"/>
<TrashVariables Value="True"/>
<UseExternalDbgSyms Value="True"/>
</Debugging>
</Linking>
</CompilerOptions>
<Debugging>
<Exceptions>
<Item>
<Name Value="EAbort"/>
</Item>
<Item>
<Name Value="ECodetoolError"/>
</Item>
<Item>
<Name Value="EFOpenError"/>
</Item>
</Exceptions>
</Debugging>
</CONFIG>
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