Well, today we find this story explaining why Bill was basically right. You want more speed? Do the work with less cpu. Who knew? Well, me.
To reduce those energy demands, the researchers demonstrated how they used a conventional Intel chip and turned off half of its circuitry devoted to what engineers call mathematical precision. Then they "reinvested" the savings to improve the quality of the computed result.
Did they run down to merely 16 bits? Could be.
He suggested trading off precision to make dramatic gains in computing efficiency.