cmdx | Fast and persistent subset of maya.cmds
kandi X-RAY | cmdx Summary
kandi X-RAY | cmdx Summary
cmdx is a Python wrapper for the Maya Python API 2.0 and a fast subset of the maya.cmds module, with persistent references to nodes. If you fit in either of these groups, then cmdx is for you. On average, cmdx is 140x faster than PyMEL, and 2.5x faster than maya.cmds at common tasks; at best, it is 1,300x faster than PyMEL. cmdx was written for performance critical run-time tasks in Maya, listening to thousands of events, reading from and writing to thousands of attributes each frame, without affecting user interactivity. It doesn't capture all of cmds, but rather a small subset related to parts relevant to these types of performance critical tasks.
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Top functions reviewed by kandi - BETA
- Convert a Mut .
- Convert a Python value to a DagModifier .
- Returns the type of the attribute .
- Disconnect two plugs .
- Return all children of this shape .
- Convert a Python object to a plug .
- Main entry point .
- Creates a curve curve .
- Creates a new node
- Parse a file .
cmdx Key Features
cmdx Examples and Code Snippets
Community Discussions
Trending Discussions on cmdx
QUESTION
I'm seeing a weird case in a simple linux driver test(arm64).
The user program calls ioctl of a device driver and passes array 'arg' of uint64_t as argument. By the way, arg[2] contains a pointer to a variable in the app. Below is the code snippet.
ANSWER
Answered 2021-Aug-02 at 11:27Accessing memory-mapped registers by simple C constructs such as *(vaddr + REG_IOCTL_ARG/4)
is a bad idea. You might get away with it on some platforms if the access is volatile
-qualified, but it won't work reliably or at all on some platforms. The proper way to access memory-mapped registers is via the functions declared by #include
or #include
. These will take care of any arch-specific requirements to ensure that writes are properly ordered as far as the CPU is concerned1.
The functions for memory-mapped register access are described in the Linux kernel documentation under Bus-Independent Device Accesses.
This code:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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No vulnerabilities reported
Install cmdx
Pro tip: Never use the latest commit for production. Instead, use the latest release. That way, when you read bug reports or make one for yourself you will be able to match a version with the problem without which you will not know which fixes apply to you nor would we be able to help you. Installing via pip or conda as above ensures you are provided the latest stable release. Unstable releases are suffixed with a .b, e.g. 0.5.0.b1.
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