GPU-oriented virtual IO ringbuffer realization method
A technology of free space and data transmission, applied in software simulation/interpretation/simulation, instrumentation, computing, etc., can solve the problems of reduced host interface and low performance, reduce the number of synchronizations, improve ringbuffer data storage rate and host interface bandwidth The effect of utilization
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[0019] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:
[0020] A method for virtual IO ringbuffer implemented by GPU, such as figure 1 shown, including:
[0021] Step 1, ringbuffer interface (1) initializes all information contained in ringbuffer virtual IO control (2) and ringbuffer IO control (3); said all information includes: the read pointer, write pointer, ringbuffer size of ringbuffer IO control (3) , data transmission start control; ringbuffer virtual IO control (2) free space first address and free space size; said ringbuffer virtual IO control (2) free space first address refers to ringbuffer IO control (3) in the free space of ringbuffer First address; the free space size of the ringbuffer virtual IO control (2) refers to the free space size of the ringbuffer in the ringbuffer IO control (3);
[0022] Step 2. When there is data to be stored in the ringbuffer, first judge whether the free space of the ...
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