CuPy
v8.6.0
Overview
Installation Guide
Tutorial
API Reference
Multi-Dimensional Array (ndarray)
Universal Functions (ufunc)
Routines
SciPy-compatible Routines
Sparse matrices
Multi-dimensional image processing
NumPy-CuPy Generic Code Support
Memory Management
Low-Level CUDA Support
Device management
Memory management
Memory hook
Streams and events
Texture and surface memory
Profiler
NCCL
Runtime API
cupy.cuda.runtime.driverGetVersion
cupy.cuda.runtime.runtimeGetVersion
cupy.cuda.runtime.getDevice
cupy.cuda.runtime.deviceGetAttribute
cupy.cuda.runtime.deviceGetByPCIBusId
cupy.cuda.runtime.deviceGetPCIBusId
cupy.cuda.runtime.getDeviceCount
cupy.cuda.runtime.setDevice
cupy.cuda.runtime.deviceSynchronize
cupy.cuda.runtime.deviceCanAccessPeer
cupy.cuda.runtime.deviceEnablePeerAccess
cupy.cuda.runtime.deviceGetLimit
cupy.cuda.runtime.deviceSetLimit
cupy.cuda.runtime.malloc
cupy.cuda.runtime.mallocManaged
cupy.cuda.runtime.malloc3DArray
cupy.cuda.runtime.mallocArray
cupy.cuda.runtime.hostAlloc
cupy.cuda.runtime.hostRegister
cupy.cuda.runtime.hostUnregister
cupy.cuda.runtime.free
cupy.cuda.runtime.freeHost
cupy.cuda.runtime.freeArray
cupy.cuda.runtime.memGetInfo
cupy.cuda.runtime.memcpy
cupy.cuda.runtime.memcpyAsync
cupy.cuda.runtime.memcpyPeer
cupy.cuda.runtime.memcpyPeerAsync
cupy.cuda.runtime.memcpy2D
cupy.cuda.runtime.memcpy2DAsync
cupy.cuda.runtime.memcpy2DFromArray
cupy.cuda.runtime.memcpy2DFromArrayAsync
cupy.cuda.runtime.memcpy2DToArray
cupy.cuda.runtime.memcpy2DToArrayAsync
cupy.cuda.runtime.memcpy3D
cupy.cuda.runtime.memcpy3DAsync
cupy.cuda.runtime.memset
cupy.cuda.runtime.memsetAsync
cupy.cuda.runtime.memPrefetchAsync
cupy.cuda.runtime.memAdvise
cupy.cuda.runtime.pointerGetAttributes
cupy.cuda.runtime.streamCreate
cupy.cuda.runtime.streamCreateWithFlags
cupy.cuda.runtime.streamDestroy
cupy.cuda.runtime.streamSynchronize
cupy.cuda.runtime.streamAddCallback
cupy.cuda.runtime.streamQuery
cupy.cuda.runtime.streamWaitEvent
cupy.cuda.runtime.eventCreate
cupy.cuda.runtime.eventCreateWithFlags
cupy.cuda.runtime.eventDestroy
cupy.cuda.runtime.eventElapsedTime
cupy.cuda.runtime.eventQuery
cupy.cuda.runtime.eventRecord
cupy.cuda.runtime.eventSynchronize
cupy.cuda.runtime.ipcGetMemHandle
cupy.cuda.runtime.ipcOpenMemHandle
cupy.cuda.runtime.ipcCloseMemHandle
cupy.cuda.runtime.ipcGetEventHandle
cupy.cuda.runtime.ipcOpenEventHandle
Kernel binary memoization
Custom kernels
Automatic Kernel Parameters Optimizations
Interoperability
Testing Modules
Profiling
Environment variables
Difference between CuPy and NumPy
Comparison Table
Miscellaneous functions
Development
API Compatibility Policy
Contribution Guide
Misc Notes
Using CuPy on AMD GPU (experimental)
Upgrade Guide
License
CuPy
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API Reference
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Low-Level CUDA Support
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cupy.cuda.runtime.getDeviceCount
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v: v8.6.0
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