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QDMA Performance

Question asked by Irfan Malik on Apr 14, 2016

We are experimenting the QDMA to get better throughput a on freescale reference board. The buffer size we are using is 128KB with one channel and one thread, the throughput is about 382209 KB/s. The test we are using is dmatest available in Linux kernel. If we increase the number or channels and/or threads. the performance go down dramatically.