CUDA 2D Kernel Memory Mapping

Explore boundary guards, coalesced memory access, and mathematical thread-to-matrix indexing.

Configuration

MATRIX SIZE (N) 8

BLOCK SIZE 4

Row-Major Storage

Math Mapping

Within Bounds

int i = blockIdx.y * blockDim.y + threadIdx.y;
int j = blockIdx.x * blockDim.x + threadIdx.x;
int index = j + i * N;
if (i < N && j < N) { ... }

Live Execution Trace

Standby

blockIdx.x	blockIdx.y	threadIdx.x	threadIdx.y	i (Row)	j (Col)	1D Address
?	?	?	?	?	?	?

Memory Location Mapping

? + (? * ?)

1D Address ?

HOVER ANY COMPONENT TO TRACE MEMORY