Batch animation frames and buffer status text

README.md

@@ -9,8 +9,11 @@ Controls: **Pause/Resume**, **Redo**, **Next**, **Run All 8**, and
 **Algorithm Menu**. **No Visual** reruns the selected algorithm without any
 animation, touch polling, or intentional delay during the timed section and
 reports its duration with microsecond-derived precision. The bar animation is
-rendered through a PSRAM-backed canvas for tear-free updates. Build with
-`pio run`, upload with `pio run -t upload`.
+rendered through a PSRAM-backed canvas for tear-free updates. Animation work is
+batched (32 sort operations per candidate frame), the display is capped near
+60 FPS, and the independently buffered counter strip updates at 4 Hz so its
+rapidly changing digits remain readable without flicker. Build with `pio run`,
+upload with `pio run -t upload`.
 
 **All Visual** runs the eight faster animations and then opens a comparison
 report. **All Fast** benchmarks all eight without intermediate drawing and