SiFive Intelligence X280
The SiFive Intelligence™ X280 is a multi-core capable RISC-V processor with vector extensions and SiFive Intelligence Extensions and is optimized for AI/ML compute at the edge.
In addition to ML inferencing, it is ideal for applications requiring high-throughput, single-thread performance while under power constraints (e.g., AR, VR, sensor hubs, IVI systems, IP cameras, digital cameras, gaming devices).
SiFive Intelligence X280 Key Features
- SiFive Intelligence Extensions for ML workloads
* Custom instructions to greatly accelerate Neural Network computation
* Optimized TensorFlow Lite implementation
* Hundreds of Neural Network models ported
* 4.6 TOPS performance
- 512-bit vector register length processor
* Variable length operations, up to 512-bits of data per cycle
* Ideal balance of control logic and data parallel compute
* Decoupled Vector pipeline
* INT8 to INT64 integer data type
* BF16/FP16/FP32/FP64 floating point data type
- Performance benchmarks
* 5.75 CoreMarks/MHz
* 3.25 DMIPS/MHz
* 4.6 SpecINT2k6/GHz
- Built on silicon-proven U7-Series core
* 64-bit RISC-V ISA
* 8-stage dual-issue in-order pipeline
* Coherent multi-core, Linux capable
- High performance vector memory subsystem
* Memory parallelism provides cache miss tolerance
* Virtual memory support with precise exceptions
* Up to 48-bit addressing
- Multi-core, multi-cluster processor configuration, up to 16 cores