https://theloginnode.com/tags/gpu/ Recent content in GPU on The Login Node Hugo -- gohugo.io en © 2026 Will Paik Sun, 14 Jun 2026 00:00:00 +0000 https://theloginnode.com/posts/hpc-special-topics-02/ Sun, 14 Jun 2026 00:00:00 +0000 https://theloginnode.com/posts/hpc-special-topics-02/ V100 and A100 both scale past 95% efficiency across 8 GPUs, but A100 delivers 2.4 to 2.7x more throughput per GPU. This post covers measured PyTorch DDP scaling results on 8xV100 SXM2 and 8xA100 SXM4, using ResNet-152 and ViT-B/16 with fp16 and bf16, and explains what the numbers actually mean for system selection.