seed splitting for GPU RNGs

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Assessment

Difficulty
5/5
Estimated time
Over a week
Newbie friendliness
35/100
Issue type
Feature
Clarity
Mostly clear
Activity status
Stale
Tech stack
julia
Domain
backend

Research direction

Start by locating the current VBT seed-splitting implementation based on Random123 counter-based CPU RNGs. Inspect CUDA.jl RNG support and the CURAND.jl CURAND_RNG_PSEUDO_PHILOX4_32_10 reference mentioned in the issue. Done means CUDA.jl is optionally supported through an @require block and GPU RNG seed splitting works.

Written by the indexing model from the issue text.

Description

The current VBT implementation is based on counter-based RNGs from the Random123 library for CPUs.

We should add a @require block for CUDA.jl RNG.
Possibly, the simplest way to support GPU RNGs might be to consider similar counter-based RNGs implementations:

Dominant language
Julia
Stars
62
Forks
32
Avg merge
8h 38m
Merged PRs (30d)
16

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