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Altera_Forum
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14 years ago

DE2-115 Ethernet throughput

I'm trying to send a video flow from my DE2-115 to a PC. To send 320*240 images with 16bit pixels with 25fps, I need a throughput of 320*240*16*25 = 30,720,000bit/s (below the 100Mbit/s offered by th...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Thank you for your answers.

I increased the instruction and the data caches to the max and gained some fps. I think the bottleneck is the AVALON bus.

Before writing my own transport protocol, I want to try to separate the data and the instruction busses to reduce this bottleneck.

I didn't find any documentation on google for that, and when I try with a simple example (a NIOS, a jtag_uart, and two on_chip memories, with a hello_world_small template) it doesn't work.

Did I miss some documentation ? Do I have to change something in the configuration of the nios compiler ?