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Компьютеры - CUDA - Особенности и спецификации различных версий13 июня 2011
Оглавление:
1. CUDA
2. Программная архитектура
3. Оборудование
4. Ограничения
5. Особенности и спецификации различных версий
6. Пример
7. CUDA как предмет в вузах
Feature support (unlisted features are
supported for all compute capabilities) |
Compute capability |
| 1.0 |
1.1 |
1.2 |
1.3 |
2.x |
| 3D grid of thread block |
Нет |
Да |
Integer atomic functions operating on
32-bit words in global memory |
Нет |
Да |
Integer atomic functions operating on
64-bit words in global memory |
Нет |
Да |
Integer atomic functions operating on
32-bit words in shared memory |
| Warp vote functions |
| Double-precision floating-point operations |
Нет |
Да |
Floating-point atomic addition operating on
32-bit words in global and shared memory |
Нет |
Да |
| _ballot |
| _threadfence_system |
_syncthread_count,
_syncthread_and,
_syncthread_or |
| Surface functions |
| Technical specifications |
Compute capability |
| 1.0 |
1.1 |
1.2 |
1.3 |
2.x |
| Maximum dimensionality of grid of thread block |
2 |
3 |
| Maximum x- or y- dimensions of a grid of thread blocks |
65535 |
| Maximum dimensionality of thread block |
3 |
| Maximum x- or y- dimension of a block |
512 |
1024 |
| Maximum z- dimension of a block |
64 |
| Maximum number of threads per block |
512 |
1024 |
| Warp size |
32 |
| Maximum number of resident blocks per multiprocessor |
8 |
| Maximum number of resident warps per multiprocessor |
24 |
32 |
48 |
| Maximum number of resident threads per multiprocessor |
768 |
1024 |
1536 |
| Number of 32-bit registers per multiprocessor |
8 K |
16 K |
32 K |
| Maximum amount of shared memory per multiprocessor |
16 KB |
48 KB |
| Number of shared memory banks |
16 |
32 |
| Amount of local memory per thread |
16 KB |
512 KB |
| Constant memory size |
64 KB |
| Cache working set per multiprocessor for constant memory |
8 KB |
| Cache working set per multiprocessor for texture memory |
Device dependent, between 6 KB and 8 KB |
Maximum width for 1D texture
reference bound to a CUDA array |
8192 |
32768 |
Maximum width for 1D texture
reference bound to linear memory |
2 |
Maximum width and number of layers
for a 1D layered texture reference |
8192 x 512 |
16384 x 2048 |
Maximum width and height for 2D
texture reference bound to
linear memory or a CUDA array |
65536 x 32768 |
65536 x 65535 |
Maximum width, height, and number
of layers for a 2D layered texture reference |
8192 x 8192 x 512 |
16384 x 16384 x 2048 |
Maximum width, height and depth
for a 3D texture reference bound to linear
memory or a CUDA array |
2048 x 2048 x 2048 |
Maximum number of textures that
can be bound to a kernel |
128 |
Maximum width for a 1D surface
reference bound to a CUDA array |
Not
supported |
8192 |
Maximum width and height for a 2D
surface reference bound to a CUDA array |
8192 x 8192 |
Maximum number of surfaces that
can be bound to a kernel |
8 |
Maximum number of instructions per
kernel |
2 million |
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