pub fn detect_cpu_cache() -> Option<String>Expand description
Detects CPU cache sizes.
Linux: reads from /sys/devices/system/cpu/cpu0/cache/ sysfs entries.
macOS: reads hw.l1dcachesize, hw.l1icachesize, hw.l2cachesize, hw.l3cachesize via sysctlbyname.
Returns None on Windows or if data is unavailable.