diff --git a/README.md b/README.md
index 489c997..f9fdd1d 100644
--- a/README.md
+++ b/README.md
@@ -104,6 +104,7 @@ $ python assert.py --use-cuda --causal --striped-ring-attn
 - [ ] add ring attention to Tri's flash attention implementation. find some cuda ring reduce impl
 - [ ] figure out how to pytest distributed pytorch
 - [ ] use sdp context manager to validate when it is possible to use `ring_flash_attn_cuda`, otherwise assert out
+- [ ] improvise a variant where each machine keeps compressed summary tokens, and one only ring pass those summary token for some given distance
 
 ## Citations