Ports speeds matter; version numbers don't. It's tempting to look at a USB 3.2 label and assume it's faster than USB 3.0, but unfortunately, that's not the case. In fact, many manufacturers have started defaulting to writing the speed of individual ports directly onto the device itself, rather than relying on version numbers on spec sheets.
void bucketSort(int arr[], int n, int max, int bucketCount) {
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and this loop runs very hot, near a trillion operations per second in L1 cache, so you want to avoid any other overhead when possible, compute things ahead of time and so on. but the core algorithm is just this. the rest is engineering and optimizations on top of this.