Bump BitFaster.Caching from 2.5.2 to 2.5.3

[dependabot]

Bumps BitFaster.Caching from 2.5.2 to 2.5.3.

Release notes

Sourced from BitFaster.Caching's releases.

v2.5.3

What's changed

• Eliminate volatile writes in ConcurrentLru internal bookkeeping code for pure reads, improving concurrent read throughput by 175%.
• Vectorize the hot methods in CmSketch using Neon intrinsics for ARM CPUs. This results in slightly better ConcurrentLfu cache throughput measured on Apple M series and Azure Cobalt 100 CPUs.
• Unroll loops in the hot methods in CmSketch. This results in slightly better ConcurrentLfu throughput on CPUs without vector support (i.e. neither x86 AVX2 nor Arm Neon).
• On vectorized code paths (AVX2 and Neon), CmSketch allocates the internal buffer using the pinned object heap on .NET6 or newer. Use of the fixed statement is removed, eliminating a very small overhead. Sketch block pointers are then aligned to 64 bytes, guaranteeing each block is always on the same CPU cache line. This provides a small speedup for the ConcurrentLfu maintenance thread by reducing CPU cache misses.
• Minor improvements to the AVX2 JITted code via MethodImpl(MethodImplOptions.AggressiveInlining) and removal of local variables to improve performance on .NET8/9 and dynamic PGO.

Full changelog: bitfaster/BitFaster.Caching@v2.5.2...v2.5.3

Commits

• 798fe76 bump 2.5.3 (#654)
• 410dae2 Unroll sketch increment (#653)
• b34b12c Bump coverlet.msbuild from 6.0.2 to 6.0.3 (#652)
• 32973c8 Bump FluentAssertions and System.Threading.Tasks.Extensions (#650)
• 0c06159 Bump Microsoft.NET.Test.Sdk from 17.11.1 to 17.12.0 (#647)
• 5669d38 Implement LFU sketch using arm64 intrinsics (redux) (#648)
• d8ac6f4 Optimize AVX intrinsics for .NET8 (#597)
• 1c2f221 optimize hit rate analysis (#646)
• 5ef26a3 Allocate pinned buffer for vectorized code (#601)
• 25ea2bd Optimize ConcurrentLru read throughput (#645)
• Additional commits viewable in compare view

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