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Replace heap-allocated temporary byte arrays with ArrayPool<byte>.Shared rentals in CipherStream and Streams to reduce GC pressure on hot I/O paths #664

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Replace heap-allocated temporary byte arrays with ArrayPool<byte>.Shared rentals in CipherStream and Streams to reduce GC pressure on hot I/O paths #664

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136 changes: 113 additions & 23 deletions crypto/src/crypto/io/CipherStream.cs
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214 changes: 117 additions & 97 deletions crypto/src/util/io/Streams.cs
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