The demo is nice. The other thing is that a mapd server with 8 nvidia k40s for 3000 dollars each costs around 30000 (with CPU and main memory). For 30000 you can also buy a 4 socket server with a terabyte of main memory. Even though the GPUs can access their 300gb of memory much faster and have more cores, that won&#x27;t help you because database workloads (filtering, grouping, joining) is not compute-intensive enough to give the GPU an advantage over CPU cores.<p>My bet is that a main memory database optimized for modern CPUs will do better on even larger datasets at the same server costs.