rnd

package
v1.8.2 Latest Latest
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 Go to latest Published: Sep 30, 2025 License: Apache-2.0 Imports: 3 Imported by: 0

Documentation

Overview

Package rnd provides lock-free, allocation-free random helpers. It avoids the global rand lock by sharding PRNG state and using atomic round-robin across shards.

API is tiny on purpose: Float64(), Uint64(), Int63n().

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func Float64 

func Float64() float64

Float64 returns a uniform in [0,1) using 53 random bits (double precision).

func Init 

func Init(n int)

Init optionally reconfigures shard count. If n<=0, it uses GOMAXPROCS*4. Shard count is rounded up to power of two for a cheap mask.

Types

This section is empty.

Source Files

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