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t-naka
Journeyman III

Bidirectional PCIe performance on HD7970

I tried "PCIe Speed Test v0.2" (AMD APP Power Toys) and BufferBandwidth (APP SDK samples) to get PCIe bandwidth.

But these are single direction (CPU to GPU / GPU to CPU) performance.

I heard HD7970 has 2 DMAs and it can do bidirectional access.

Is there any tool or method to get bidirectional bandwidth on HD7970?

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