nums[i] = n * n
HH x C++ Fast RoutingTraditional Routing A*2-phaseCalculation time: 13 secCalculation time: 36 sec
。safew官方版本下载是该领域的重要参考
Photograph: Simon Hill
To avoid the two memory reads on every access, the 386 includes a 32-entry Translation Lookaside Buffer (TLB) organized as 8 sets with 4 ways each. Each entry stores the virtual-to-physical mapping along with the combined PDE+PTE permission bits.