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> Is this a typical performance profile for doing ray tracing in OpenGL? I expected tens of times faster than a CPU on commodity hardware. SIMD instructions on
by pcwalton 10y ago
> Is this a typical performance profile for doing ray tracing in OpenGL? I expected tens of times faster than a CPU on commodity hardware.
SIMD instructions on modern CPUs are getting really good, within the ballpark of GPU speed in some cases. Here's the classic paper [1] on this, and the results have gotten even better since then with AVX2, etc.
[1]: http://sbel.wisc.edu/Courses/ME964/Literature/LeeDebunkGPU2010.pdf http://sbel.wisc.edu/Courses/ME964/Literature/LeeDebunkGPU20...