Cognitum/Flash Attentionv1.0.0
Signal · Spatial Attention

Flash Attention

Applies flash attention mechanisms to subcarrier groups for spatial focusing, improving signal-to-noise ratio in dense RF environments.
Hardware ESP32-S3 Input CSI subcarriers Footprint 20 KB Difficulty Hard cognitum-one/cogs/src/cogs/flash-attention
RUNNING  ·  flash kernel active on subcarrier groups  ·  tile size 64  ·  iteration 0 — hz
SNR improvement
+0.0 dB
vs baseline · live
Focus zones active
0
of 8 max
Subcarrier groups
64
8 × 8 tiles · attended
Attention iterations
0
since reset · cumulative
Heap pressure
— KB
peak in flash window
Attention Map
Softmax-weighted attention across N×N subcarrier groups · brighter = more attended
attention —
0.00 0.25 0.50 0.75 1.00
kernel: flash-v2 · tile 64 hover the map for cell values
Spatial Focus Radar
Angular focus zones derived from attention peaks · ESP32-S3 antenna phase
tracking
— zones
SNR Improvement — Live Trace
Streaming gain over raw CSI baseline · last 240 samples
window
— dB peak
Mean gain
— dB
Peak gain
— dB
Std dev
— dB
Sample rate
— Hz
Attention Flow
Cross-attention links between active groups
— links
Subcarrier Groups
Click a tile to lock attention on it · double-click to clear lock
layout
Locked tiles
0
Top-K mode
K = 8
Quant
int8 · per-tile
Phase
0.00 rad
Event Stream
attention_map · focus_zone · snr_improvement
Kernel Parameters
Live-applied · changes propagate to the ESP32-S3 firmware
flash-v2
Tile size64
Top-K attention8
Temperature (softmax)1.00
Dropout0.10
Update rate (Hz)30
Signal Source
CSI subcarrier input · ESP32-S3 RF front-end
Bandwidth
Channel
Antenna geometry
Spatial focus mode