Veteran Windows dev Dave W Plummer has run a simple performance test on all his computer lab systems and drawn up a fascinating comparison chart. Across his 25 computers, released between 1976 and 2023, he observed a huge 200,000X CPU performance delta. Moreover, it is admitted that the difference could have been much greater if the ancient Dhrystone benchmark performance code wasn’t resolutely single-threaded. The benchmark code also uses simple math, so the gains could be even more pronounced if it…