How PyTorch generates parallel random numbers on GPUs with Philox

Two deep dives explain why Philox, rather than classic CPU generators like xorshift, has become the standard for parallel random number generation in PyTorch on GPUs.

2026-09-25 ~ 2026-09-25 · 2 related posts

• Why GPUs need philox, not xorshift: parallel RNG in AI training explained — abhi9u · 2026-09-25
• How PyTorch Generates Random Numbers in Parallel on GPUs: A Deep Dive into Philox — abhi9u · 2026-09-25