#version 450
layout(local_size_x = 8) in;

shared float shared_group[8][8];
shared float shared_group_alt[8][8];

void main()
{
	float blob[8];
	for (int i = 0; i < 8; i++)
		blob[i] = float(i);
	shared_group[gl_LocalInvocationIndex] = blob;

	barrier();

	float copied_blob[8] = shared_group[gl_LocalInvocationIndex ^ 1u];
	shared_group_alt[gl_LocalInvocationIndex] = shared_group[gl_LocalInvocationIndex];
}