sudo nano /etc/default/grub
GRUB_CMDLINE_LINUX="nosmt processor.max_cstate=0 intel_idle.max_cstate=0"
sudo update-grub
sudo reboot -h now
sudo apt-get install cpufrequtils
# to get the highest freq
sudo cpufreq-set -g performance
64MB
sudo cpufreq-set -g performance
sudo sysctl -w net.ipv4.udp_mem="10240087380016777216"
sudo sysctl -w net.core.netdev_max_backlog="30000"
sudo sysctl -w net.core.rmem_max="67108864"
sudo sysctl -w net.core.wmem_max="67108864"
sudo sysctl -w net.core.rmem_default="67108864"
sudo sysctl -w net.core.wmem_default="67108864"
sudo swapoff -a
sudo nano /etc/fstab
# comment the swap config
todo
the unit is ms. 1:1 pub: sub qos: besteffort + keep all + volatile + historydepth=1000
version | format | encoder | trans | dds | Array1K | Array60K | Array256K | Array1M | Array2M | Array4M |
---|---|---|---|---|---|---|---|---|---|---|
2.3.x | idl | cdr | shm | fastrtps | 0.03 | 0.03 | 0.04 | 0.12 | 0.22 | 0.46 |
2.3.x | idl | cdr | zc | fastrtps | 0.015 | 0.018 | 0.025 | 0.05 | 0.09 | 0.20 |
1.0.1 | rosidl | none | zc | iceoryx | 0.02 | 0.028 | 0.05 | 0.11 | 0.12 | - |
5.10.0 | proto2 | protobuf | shm | ecal | 0.012 | 0.078 | 0.29 | 1.16 | 2.38 | 4.62 |
5.10.0 | proto2 | protobuf | zc | ecal | 0.042 | 0.14 | 0.36 | 1.13 | 2.26 | 4.45 |
5.10.0 | proto3 | protobuf | shm(opt) | ecal | 0.009 | 0.02 | 0.06 | 0.34 | 0.68 | 2.28 |
5.10.0 | proto3 | protobuf | zc(opt) | ecal | 0.009 | 0.018 | 0.048 | 0.232 | 0.455 | 0.97 |
5.10.0 | rosidl | none | shm | ecal | 0.033 | 0.072 | 0.115 | 0.30 | 0.52 | 0.94 |
5.10.0 | rosidl | none | zc | ecal | 0.029 | 0.058 | 0.099 | 0.188 | 0.292 | 0.512 |
5.10.0 | rosidl | none | shm(opt) | ecal | 0.009 | 0.016 | 0.038 | 0.166 | 0.32 | 0.68 |
5.10.0 | rosidl | none | zc(opt) | ecal | 0.008 | 0.010 | 0.017 | 0.043 | 0.074 | 0.146 |
# jetson
sudo jetson_clocks
sudo cpufreq-set -g performance
sudo sysctl -w net.ipv4.udp_mem="10240087380016777216"
sudo sysctl -w net.core.netdev_max_backlog="30000"
sudo sysctl -w net.core.rmem_max="67108864"
sudo sysctl -w net.core.wmem_max="67108864"
sudo sysctl -w net.core.rmem_default="67108864"
sudo sysctl -w net.core.wmem_default="67108864"