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NVidia's Tesla C2050 has 448 CUDA cores. Is Intel still dabbling with 48 purely because they want each core to be totally general purpose?
by aufreak3 16y ago
NVidia's Tesla C2050 has 448 CUDA cores. Is Intel still dabbling with 48 purely because they want each core to be totally general purpose?
- jaen 16y agoEach CUDA "core" is actually a lane in a 16-wide SIMD processor, so it has 20 CPUs in the traditional sense. (Intel CPUs have 4-way SIMD with SSE) Only one "program" (kernel) could run on the older GPUs in parallel, on newer GPUs you can have have all the "CPUs" running different programs, but instruction cache space is quite limited.