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Inconsistent formatting when reading multiple XLS files concurrently (#1469) #1470

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Inconsistent formatting when reading multiple XLS files concurrently (#1469) #1470

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@Vemahk Vemahk commented Jan 4, 2025 •
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Fixes #1469 by using AsyncLocal for static cache values.

Benchmark

BenchmarkDotNet v0.13.12, Windows 10 (10.0.19045.5247/22H2/2022Update)
AMD Ryzen 5 1600X, 1 CPU, 12 logical and 6 physical cores
.NET SDK 9.0.101
  [Host]     : .NET 6.0.36 (6.0.3624.51421), X64 RyuJIT AVX2
  DefaultJob : .NET 6.0.36 (6.0.3624.51421), X64 RyuJIT AVX2

Initial

Method RowCount Mean Error StdDev
Read 1000 7.045 ms 0.1364 ms 0.1675 ms

Undo of 96186d6

Method RowCount Mean Error StdDev
Read 1000 9.296 ms 0.1820 ms 0.2302 ms

AsyncLocal Implementation

Method RowCount Mean Error StdDev
Read 1000 7.294 ms 0.0258 ms 0.0229 ms

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Vemahk commented Jan 25, 2025

Added async local implementation & updated initial PR with new benchmarks

@Vemahk Vemahk marked this pull request as ready for review January 25, 2025 14:57
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Inconsistent formatting when reading multiple XLS files concurrently
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@Vemahk