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Crypto: add sync.Pool for AES cipher blocks #202

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opened 2026-03-10 00:09:07 +00:00 by ash · 0 comments
ash commented 2026-03-10 00:09:07 +00:00
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Problem

Doc claims sync.Pool but none exists. Each call creates new aes.NewCipher + cipher.NewGCM.

Measured

Approach ns/op B/op allocs
Current 754 1568 3
sync.Pool 234 288 1

3.2x faster, 5.4x less memory.

Severity

🟡 Fix soon.

## Problem Doc claims sync.Pool but none exists. Each call creates new aes.NewCipher + cipher.NewGCM. ## Measured | Approach | ns/op | B/op | allocs | |---|---|---|---| | Current | 754 | 1568 | 3 | | sync.Pool | 234 | 288 | 1 | 3.2x faster, 5.4x less memory. ## Severity 🟡 Fix soon.
ash closed this issue 2026-03-10 07:14:07 +00:00
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ash/eskit#202
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