4 ms·
Bypassing the kernel entirely is pretty normal in HPC applications. Infiniband implementations typically memory-map the device's registers into user-space so t
by elihu 11y ago
Bypassing the kernel entirely is pretty normal in HPC applications. Infiniband implementations typically memory-map the device's registers into user-space so that applications can send and receive messages without a system call.
- shin_lao 11y agoThis is not bypassing a kernel. This is called Remote Direct Memory Access (RDMA) and there is still a kernel. FYI most of the devices inside your computer work through DMA.