Edge 2026
Distributed ML Serving Pure Edge Computation

Transformer KV Cache VRAM Allocation Modeler

Models High-Bandwidth Memory (HBM) consumption for transformer attention layers during long-context serving.

Formula: VRAM_token = 2 * Layers * Heads * HeadDim * Bytes_precision

Model Parameters

layers
heads
dims
tokens
bytes
streams

Outputs & Underwriting Summary

Calculation Status
MEMORY FOOTPRINT CONSTRAINED
Verified Model
Total KV Cache VRAM
312.50 GB
Per Stream: 19.53 GB
8x H100 Cluster Max Concurrency
25 streams
Bytes per Token: 163840 bytes
Each active stream requires 19.53 GB VRAM for KV cache. An 8x H100 cluster accommodates up to 25 concurrent streams at 128,000 context.