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Questions tagged [parallella]

The Parallella board is a high performance computing platform based on a dual core ARM A9 Zynq System-On-Chip and Adapteva’s Epiphany multicore coprocessor

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Why use multiple clocks of the same speed in an FPGA design?

I very recently began experimenting with FPGAs. In researching things around the net I've noticed in several places that designs might use multiple separate PLL clocks of the exact same speed. Why is that? One example I will give is this site:…
RobC
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In a multi-core processor, how can I find the simulation time of the slowest core?

(Sorry if I phrased the question incorrectly) I am running some applications on a 16-core Parallella board and I was wondering if there was a way to calculate the amount of time taken by the slowest core? I think that if I add the user + sys times,…
user3853033
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Building Epiphany SDK on the Parallella with Arch Linux ARM

I'am trying to build the Epiphany SDK on the Parallella Board running Arch Linux ARM. I obtained the Arch Linux ARM Image from http://os.archlinuxarm.org/os/ArchLinuxARM-parallella-latest.tar.gz but there is also another one related to Xilinx…
Befedo
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Scripting in Vivado

I am using Vivado for running my Verilog codes. Even though I do not see any errors while running synthesis and implementation, bitstream cannot be built. This is the error I get: ERROR: [Drc 23-20] Rule violation (NSTD-1) Unspecified I/O Standard…
user10291355
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How can I run two programs at the same time, but when they are in different directories? (Tcsh shell)

https://fbcdn-sphotos-h-a.akamaihd.net/hphotos-ak-xpf1/v/t34.0-12/10552001_889617264385887_1227118886_n.jpg?oh=427fdd64a4b7ff8f15436138ee891c12&oe=53CB7A3D&gda=1405839405_dca202c38f41ec98c45bad334e57ad6b I want to run both of the run.sh files I'm…
user3853033
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How to connect our push button to ZYNQ-based board's GPIO?

I want to add external push button to Parallella's GPIO pins. Is it correct to connect push button just like the users did for Raspberry pi boards? enter image description here if it's working, what resistor should I use? and if it's not correct,…
hadi nik
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parallella fpga : how to give an interrupt from pl to arm ps

I successfully implemented an "[accelerator in 15 minutes]"1 on parallella board. Now I need to send an interrupt from pl to ps. So I connected it to IRQ_F2P of Zynq processing system. Now, how can I get this interrupt in arm processor? Usual…
dipin
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Tasking Service For Apache Mesos To Utilize 16 Core Parallella Epiphany Chip?

I am trying to test a technology stack that would utilize a cluster of parallella boards as data center appliances. My plan is to use Mesos with Docker, which seems entirely feasible. My question refers to the 16 core Epiphany chip on the Parallella…
JBiggs
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enable to program FPGA

I'm trying to program the FPGA and boot over an SD card in xc7z020-clg400-1 zynq chip inside parallella, I can't figure out where is the problem, I have did vivado design , generate bitstream, create the FSBL project, and for the u-boot, I just…
new bie
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Connect stack of Parallela boards and a rPI via FPGA and 1/0 pins

I want to conect my Pi and Parallella such that the Pi does the GPU side and the Parallella stack this is to be controled by a third Parallella I think the best way to do this is through an FPGA. Is this possible and a good way to do it? Also what…
Light Armanov
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