- Switch from torch.cuda.nvtx to nvtx package for colored range support - Add color coding: blue for H2D, green for D2H decode, orange for D2H prefill - Add --num-gpu-blocks parameter to profile_offload.sh - Include slot count in output filename for easier comparison Generated with [Claude Code](https://claude.ai/code) via [Happy](https://happy.engineering) Co-Authored-By: Claude <noreply@anthropic.com> Co-Authored-By: Happy <yesreply@happy.engineering>