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Support multiple devices and contexts #1
Description
The current handling of devices and contexts in the jcuda-vec classes is very limited. The library can attach to a single context, and only to one context. If no context is available, it will create one, but always for a single device (the first one).
In order to improve this, serval options have to be considered:
- whether there has to be some
cuCtxSetCurrentcall inside of the VecFloat methods - whether it will be the responsibility of the user to call something like
VecFloat.attachToCurrentThread()before using the VecFloat class on a different thread - whether it will be the responsibility of the user to call something like
VecFloat.setCurrentContext(myContext)before using the VecFloat class on data that belongs tomyContext - whether one VecFloat instance has to be created for each context (because the modules that are created during the initialization of the VecFloat class belong to one context only)
- whether the VecFloat will need a (context-) "handle", like it is used in the newer versions of the runtime libraries, and which has to be passed to all method calls
( Already listed in this forum thread (the formatting is a bit broken, due to a forum software update - sorry))
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