samples: zperf: Improve TCP performance #94888
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For TCP, CONFIG_PICOLIBC_USE_MODULE=y has a significant impact on performance. Use nucleo_h743zi board with loopback: ``` before: tcp upload: 49.35 Mbps/s after: tcp upload: 56.52 Mbps/s ``` Use nucleo_h743zi board, default config: ``` before: tcp upload: 71.3Mbps/s tcp download: 75.11 Mbps/s after: tcp upload: 75.3Mbps/s tcp download: 94.39 Mbps/s ``` Use nucleo_h743zi board, with tx async mode zephyrproject-rtos#93965: ``` before: tcp upload: 71.3Mbps/s tcp download: 75.11 Mbps/s after: tcp upload: 92.9Mbps/s tcp download: 94.5Mbps/s ``` Signed-off-by: WenBin Zhang <[email protected]>
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pdgendt
approved these changes
Aug 24, 2025
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For TCP, CONFIG_PICOLIBC_USE_MODULE=y has a significant impact on performance.
Use nucleo_h743zi board with loopback:
Use nucleo_h743zi board, default config:
Use nucleo_h743zi board, with tx async mode #93965: