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https://scicomp.stackexchange.com/questions/6853/do-currently-available-gpus-support-double-precision-floating-point-arithmetic
Starting with the Fermi architecture, Quadro and Tesla variants have better double-precision support than consumer Ge Force models. What's weird is that Ge Force Kepler/GTX6xx double-precision support is inferior to GeForce Fermi/GTX5xx support to improve Tesla differentiation in Kepler K20/K20x. Compounding the weirdness, Tesla K10s have Ge ...
https://www.nvidia.com/content/PDF/fermi_white_papers/NVIDIA_Fermi_Compute_Architecture_Whitepaper.pdf
the programming model. Lastly, the lack of double precision support (until recently) meant some scientific applications could not be run on the GPU. To address these problems, NVIDIA introduced two key technologies—the G80 unified graphics and compute architecture (first introduced in GeForce 8800 ®, Quadro FX 5600 ®, and
http://www.cs.virginia.edu/~skadron/cs6354_f09_processors/Fermi.pptx
Top Innovations in Fermi. Improve Double Precision Performance – 256 FMA ops/clock. ECC support – 1st time in a GPU. True Cache Hierarchy – L1 cache, shared memory and global memory. More Shared Memory – 3x more than GT200; configurable. Faster Context Switching – under 25 µs. Faster Atomic Operations – 20x faster than GT200
http://www.geeks3d.com/20100329/geforce-gtx-480-and-gtx-470-have-limited-double-precision-performance/
Mar 29, 2010 · According to Hexus, the desktop version of the GF100 GPU, which powers the GeForce GTX 480 / GTX 470, has a limited double precision speed.Indeed, the double precision speed is limited to 1/8 of single precision speed while on the HPC version of the Fermi architecture (HPC = high performance computing), the double precision speed is limited to 1/2 of single precision speed.
https://www.microway.com/download/whitepaper/Microway_Migrating_GPU_Code_from_Fermi_to_Kepler_including_QUDA_Lattice_QCD.pdf
ware and the previous generation of processors include much higher double-precision performance on Fermi (support for double precision was introduced in compute 1.3 devices ), the addition of a con gurable L1 cache on each SM and an L2 cache shared between SMs, and support for concurrent kernel ex-ecution on Fermi.
https://devtalk.nvidia.com/default/topic/472597/cuda-programming-and-performance/single-vs-double-precision/
Aug 02, 2010 · NVIDIA states this full on, and this is the basis for the marketing of fermi tesla. There is double precision support only from compute 1.3 cards and up (high end g200 based cards), and even there it's one double precision FPU for 8 single precision FPUs (doesn't necessarily mean that is the performance difference you will see due to where the ...
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