Warning Num Samples Per Thread Reduced To 32768 Rendering Might Be Slower Access

The render engine tried to allocate a certain number of samples per thread (maybe a user-defined or default higher value, like 65536 or 131072), but something forced it to lower that limit to .

The warning says “might be slower” because the actual effect varies with CPU architecture (Intel vs. AMD, older vs. newer), memory bandwidth, and the number of cores. The render engine tried to allocate a certain