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Faster downloads and readbacks to and from the GPU; ... Convert CUDA 3.2 C++ to OpenCL C. [32] ... Number of 32-bit uniform registers per multiprocessor No 2 K ...
Direct3D 12 for Windows 10 requires graphics hardware conforming to feature levels 11_0 and 11_1 which support virtual memory address translations and requires WDDM 2.0 drivers. There are two new feature levels, 12_0 and 12_1, which include some new features exposed by Direct3D 12 that are optional on levels 11_0 and 11_1. [158]
Each EU contains 2 x 128-bit FPUs. One supports 32-bit and 64-bit integer, FP16, FP32, FP64, and transcendental math functions, and the other supports only 32-bit and 64-bit integer, FP16 and FP32. Thus the FP16 (or 16-bit integer) FLOPS is twice the FP32 (or 32-bit integer) FLOPS.
Note that the previous generation Tesla could dual-issue MAD+MUL to CUDA cores and SFUs in parallel, but Fermi lost this ability as it can only issue 32 instructions per cycle per SM which keeps just its 32 CUDA cores fully utilized. [3] Therefore, it is not possible to leverage the SFUs to reach more than 2 operations per CUDA core per cycle.
In Windows ,the last driver to fully support CUDA with 64-Bit Compute Capability 3.5 for Kepler in Windows 7 and Windows 8.1 64-bit is 388.71, tested with latest CUDA-Z and GPU-Z, after that driver, the 64-Bit CUDA support becomes broken for GeForce 700 series GK110 with Kepler architecture.
CUDA execution core counts were increased from 32 per each of 16 SMs to 192 per each of 8 SMX; the register file was only doubled per SMX to 65,536 x 32-bit for an overall lower ratio; between this and other compromises, despite the 3x overall increase in CUDA cores and clock increase (on the 680 vs. the Fermi 580), the actual performance gains ...
Absoft Pro Fortran on 64-bit platforms supports both 32-bit and 64-bit executables; the user selects which format that the compiler will produce. Linux compilers are available in either 32-bit or 64-bit versions. The 32-bit version produces only 32-bit executables. All are bundled with a graphical debugger and an integrated development environment.
32-bit internal architecture; External data bus width: 16 bits; External address bus width: 24 bits; 275,000 transistors at 1 μm; Addressable memory 16 MB; Virtual memory 64 TB [14] Narrower buses enable low-cost 32-bit processing; Used in entry-level desktop and portable computing; No math co-processor