Yeah, it's neat. (I work on stuff that exploits this). We open-sourced the software side of our first flash IO accelerator last year. [1] You can do some prett

Yeah, it's neat. (I work on stuff that exploits this). We open-sourced the software side of our first flash IO accelerator last year. [1] You can do some pretty cool things from a HW designer's perspective inside the accelerator, and in the main application. Since the accelerator is cache-coherent, and able to map the same virtual addresses as a given process (and attach to multiple processes' address spaces) the device can do "simple" things like follow pointers, which used to require building a command / data packet, DMA'ing it to the device, and then waiting for a response packet. This, effectively, frees up the main CPU to do other things, rather than wrangle data. It also means that bottlenecks move. [1] https://github.com/open-power/capiflash https://github.com/open-power/capiflash