~/llamay $ llamay ppl -m qwen2.5:0.5b -f README.md -ctx 512 -chunks 6
window 6/6  ppl 37.6841
model          ~/.llamay/models/blobs/sha256-c5396e06af294bd101b30dce59131a76d2b773e76950acc
870eda801d3ab0515
text           16566 tokens, 6 windows of 512, 1530 scored
perplexity     37.6841
mean nll       3.6292
elapsed        45.946s