Stargate-R2100 RDMA
SmartNIC
Overview
Stargate-R2100 is a RDMA SmartNIC with independent intellectual property rights. It supports 2x 100G Ethernet ports and RoCEv2 large-scale network deployment.
With the hardware-acceleration engine to process RDMA operations, Stargate-R2100 can achieve high-performance, low-latency and low-overhead during network data transmission.
Stargate-R2100 is designed to optimize for the high-performance requirement scenarios, e.g., AI, high performance computing (HPC), big data analysis (BDA), cloud computing and storage systems.
Features
Stargate-R2100 RDMA SmartNIC features high-performance, ultra-low latency, ultra-high reliability.
- Excellent Interaction Performance
- Support isolated, independent, and protected access to SmartNIC hardware resources by multiple processes on Host.
- Interact with the Host to process non-I/O commands via Command Queue, providing high-flexibility and controllability.
- Flexible MTT Cache Management, MTT cache policies can be flexibly formulated according to scenarios to improve cache performance.
- Excellent Hardware Performance
- Up to 20K QP
- Full hardware processing of WQE and RoCEv2 protocols: Low-Latency, High-throughput Rate
- Fast WQE: Significantly reduce latency at low loads
- Congestion Control Algorithms: Hardware supports the congestion control algorithms based on ECN and DCQCN, realizing fair bandwidth allocation, rapid rate convergence and ultra-high utilization of network links.
Hardware Specifications
| Physical form |
Full-height, single-width, three-quarters-length PCle card |
| Memory interface |
FPGA logic memory – 8 GB DDR4 SDRAM x 72 bits |
| Host interface |
PCIe Gen4 x 16 |
| Network interface | 2 x QSFP28 100G Ethernet ports |
| Storage interface |
2GB FPGA QSPI Flash |
| Power consumption |
70W |
Function Specifications
| RDMA protocol | RoCEV2 |
| RDMA Transport | RC |
| Port Type | 2X100G |
| Queue Pairs | 32K |
| Congestion Control | PFC/ECN/DCQCN/programmable flow control algorithm support |
| performance | < 5 us / 38Mpps |
| Interface | PCIe Gen3/4 X8/X16 |
| Memory Region | PA/VA to PV |
| SGE | Support |
| Retransmission | Go Back to N |
| OP Code | Comprehensive support |
| Network port bonding | Support QP level bonding. Mode 1/2/4 |
| Virtualization | SRIOV |
| Software interface | OFED/ SPDK/ RDMA-Core |