Tensilica Xtensa DSP

Realizes: audio/machine learning acceleration

Configurable VLIW/dual-issue DSP core used across Cadence HiFi audio DSP families such as HiFi 3 and Tensilica LX processors, enabling extensible ISA custom instructions for audio decoding and machine-learning inference.

Examples

Espressif ESP32 (Xtensa LX6)

Dual-core Xtensa LX6 processors in the ESP32 family integrate Cadence HiFi-like DSP extensions for audio codecs and on-device convolutional inference, illustrating a fielded Xtensa deployment.

AUDIO_PROCESSING CNN_INFERENCE milliseconds medium µJ