> I look at cross core communication as a 100x latency penalty if your workload is majority cpu-bound then this is true, sometimes, and at best most workloads

> I look at cross core communication as a 100x latency penalty if your workload is majority cpu-bound then this is true, sometimes, and at best most workloads are io (i.e. syscall) bound, and io/syscall overhead is >> cross-core communication overhead