https://vfoley.xyz/reasonable-use/ · The computers sitting on our desks are incomprehensibly fast. They can perform more operations in one second than a human could in one hundred years. We live in an era of CPUs that can perform billions of instructions per second, tens of billions if we take multi-cores into account, of memory that can transfer data to the CPU at hundreds of gigabytes per second, of disks that support streaming reads of gigabytes per second.
A somewhat related blog entry: https://urls.fyi/comments/JeI-jvkwb4YIxH1IIDQ8l