[meta-xilinx] Bitstream/Boot.bin/etc - Providers/Virtual targets

[Mike Looijmans]

On 02/20/2014 06:35 AM, Alan DuBoff wrote:
>
> On Wed, February 19, 2014 12:26 pm, Elvis Dowson wrote:
>> I haven't attempted to build on RHEL-6.5 yet, for Yocto. I was mainly
>> concerned with improving synthesis times with the Vivado toolchain. A design
>> that I'm working on takes about 33 minutes for synthesis and 10 minutes for
>> implementation.

Wow, that's blazing fast.

Our "demo" project takes about 2..3 hours to build in Vivado. We're using a 
brand new i5 with 16GB RAM.

The only way I've found to speed up the build was to run the partial blocks in 
subshells, so there are a few vivado's running in parallel once the static 
part is done. Vivado uses only one core on average, only a very select few 
steps will use more than a single core.


> I would also like to get some solid state drives to build on, they are cheap
> these days...when I upgrade my system next, it will be getting at least some
> solid state drive(s). That will help compile times greatly.

Don't expect anything spectacular here - even building completely on a RAM 
disk (RAM was cheap too) did not make any difference at all.

Mike.


Met vriendelijke groet / kind regards,

Mike Looijmans

TOPIC Embedded Systems
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