# Size-Specialized Memory Allocation

DevFeed: [Size-Specialized Memory Allocation](<https://devfeed.tech/articles/size-specialized-memory-allocation-31550.md>)

Original publisher: [Read original article](<https://go.dev/blog/size-specialized-allocations>)

Author: Michael Matloob

Published: 2026-09-16T00:00:00Z

Content type: article

Language: en

Sources: [The Go Blog](<https://devfeed.tech/sources/the-go-blog.md>)

Topics: [Go](<https://devfeed.tech/topics/go.md>), [optimize](<https://devfeed.tech/topics/optimize.md>)

Tags: [collector](<https://devfeed.tech/tags/collector.md>), [compiler](<https://devfeed.tech/tags/compiler.md>), [go](<https://devfeed.tech/tags/go.md>), [performance](<https://devfeed.tech/tags/performance.md>), [spans](<https://devfeed.tech/tags/spans.md>)

## AI overview

Go 1.27 introduces size-specialized allocation functions for allocations smaller than 80 bytes. The change makes those allocations up to 20-30% faster and can improve allocation-heavy programs by up to 1%.

## Source excerpt

Go 1.27 improves performance of small allocations using size-specialized allocation functions.