3 ms·The implementations usually do (in the sense of optimizing them)by vanderZwan 7y agoThe implementations usually do (in the sense of optimizing them)kevingadd 7y agov8 only has 31-bit 'SMI' and not 32-bit ints, iirc.gsnedders 7y agoCorrect, but it is the only one to do so.cztomsik 7y agoon 64bit archs it is 32bit https://github.com/thlorenz/v8-perf/blob/master/data-types.md#efficiently-representing-values-and-tagging https://github.com/thlorenz/v8-perf/blob/master/data-types.m...