Brock Allen

• Designed and implemented an RTOS and Linux stack to drive a custom NPU.
• Brought up BSP for various SoCs that contain custom hardware IPs.
• Enabled anonymous metrics for millions of devices in field.
• Developed TVM Compiler backend for custom ML accelerator.
• Developed framework to offload non-linear ML operators to a deeply embedded Risc-V core.
• Developed an ML runtime for memory constrained systems. Under 20KB
• Designed cache optimizations for ML runtime.

Products Delivered

• Echo 4th gen - First Amazon Device with Az1 chip. Runs local ASR.
• Echo Show 15 - AZ2 runs CV and ASR locally
• Blink Outdoor 4 - Small NPU runs CV
• Ring Indoor Cam - Small NPU runs CV
• Echo Show 5 - CV and ASR
• Echo Dot 5th Gen - AZ2 ASR

• Bare Metal application development and FPGA prototyping.
• Emulator development and integration into Speech recognition stack.
• Device Driver Development.

Projects Delivered

• AZ1 - Neural Edge Processor

• Developed a Sensor to Cloud demo application to showcase Zigbee network.
• Contributed to development of the IEEE 802.15.4 MAC network stack.
• Designed a Voice Over IEEE 802.15.4 application.
• Designed an Over the Air Download extension for TI firmware.

Projects Delivered

• Sensor To Cloud - Sending All Data to One Place
• TI 15.4 Stack