This section provides the performance numbers of Ethernet drivers using CPSW peripheral in MCU+ SDK
SOC Details | Values |
---|---|
Core | R5F |
Core Operating Speed | 400 MHz |
Memory Type | MSRAM |
Cache status | Enabled |
Configuration | Value |
---|---|
Processing Core | Main R5F0 Core 0 |
Core Frequency | 400 MHz |
Ethernet Interface Type | RGMII at 1 Gbps |
Packet buffer memory | MSRAM (cached) |
Hardware checksum offload | Enabled on Tx side Enabled on Rx Side |
Scatter-gather TX | Yes |
Scatter-gather RX | Yes |
CPDMA interrupt pacing | Yes |
RTOS | FreeRTOS |
RTOS application | Enet Lwip CPSW Example example |
TCP/IP stack | LwIP version STABLE-2_2_0_RELEASE |
Host PC tool version | iperf v2.0.10 |
Number of Rx packet buffers | 32 |
Number of Tx packet buffers | 16 |
Test | Bandwidth (Mbps) | CPU Load (%) |
TCP RX | 210 | 97 |
TCP TX | 178 | 100 |
TCP Bidirectional | RX=53 TX=132 | 100 |
Host PC commands:
iperf -c <evm_ip> -r
iperf -c <evm_ip> -d
Test | Datagram Length = 64B | Datagram Length = 256B | Datagram Length = 512B | Datagram Length = 1470B | ||||||||
Bandwidth (Mbps) | CPU Load (%) | Packet Loss (%) | Bandwidth (Mbps) | CPU Load (%) | Packet Loss (%) | Bandwidth (Mbps) | CPU Load (%) | Packet Loss (%) | Bandwidth (Mbps) | CPU Load (%) | Packet Loss (%) | |
UDP RX | 5 | 41 | 0.0 | 5 | 20 | 0.0 | 25 | 48 | 0.0 | 50 | 40 | 0.0 |
10 | 75 | 0.0 | 15 | 54 | 0.0 | 50 | 88 | 0.0 | 60 | 47 | 0.0 | |
15 | 78 | 21.0 | 25 | 84 | 0.0 | 55 | 96 | 0.0 | 95 | 73 | 0.0 | |
UDP RX (Max) | 13.5 | 96 | 2.0 | 30 | 98 | 2.5 | 56.6 | 99 | 2.2 | 130.8 | 97 | 1.1 |
UDP TX (Max) | 23.4 | 100 | 0.0 | 53.5 | 100 | 0.0 | 107 | 100 | 0.0 | 307 | 100 | 0.0 |
Host PC commands:
iperf -c <evm_ip> -u -l64 -b <bw> -r
iperf -c <evm_ip> -u -l256 -b <bw> -r
iperf -c <evm_ip> -u -l512 -b <bw> -r
iperf -c <evm_ip> -u -b <bw> -r