Search found 7 matches

by Nacho_S
Thu Jun 01, 2017
Forum: 2017 industrial challenge
Topic: Challenge 2017 Solution #5: End-To-End Latency Characterization of Implicit and LET Communication Models
Replies: 2
Views: 1196

Re: Challenge 2017 Solution #5

Dear colleagues,

We have just updated our paper since we identify some typos.
The mathematical and formal characterization remains the same.

See you in Dubrovnik!

Nacho, Jorge, Paolo and Marko.
by Nacho_S
Wed May 24, 2017
Forum: 2017 industrial challenge
Topic: Challenge 2017 Solution #5: End-To-End Latency Characterization of Implicit and LET Communication Models
Replies: 2
Views: 1196

Re: Challenge 2017 Solution #5

Dear colleagues,

Please find attached our solution for the challenge :)

Nacho, Jorge, Paolo and Marko.
by Nacho_S
Thu May 19, 2016
Forum: Verification challenge
Topic: The FMTV'16 Challenge
Replies: 33
Views: 14316

Re: The FMTV'16 Challenge

Hello Arne, 3. Very good question. Right, arbitration is done at the memory, we assume no contention on the crossbar. Actually, we forgot to specify the split in access time between crossbar and memory. So your guess is right: take 8 cycles as transfer delay and 1 cycle for each access. So 8 cycles ...
by Nacho_S
Fri May 06, 2016
Forum: Verification challenge
Topic: The FMTV'16 Challenge
Replies: 33
Views: 14316

Re: The FMTV'16 Challenge

Thanks for the response, I got some new questions: - With regard to challenge 1: "ignoring memory accesses" means that the fetching of data in the reading/write phases takes "0" time? - With regard to challenge 2 when read/write time is not neglected: what happens if a task/runnable/core reads the s...
by Nacho_S
Wed Apr 27, 2016
Forum: Verification challenge
Topic: The FMTV'16 Challenge
Replies: 33
Views: 14316

Re: The FMTV'16 Challenge

Hi, we are still working in the challenge and we have some questions to ask you: - Are the R/W dependencies protected by some kind of semaphore or mutex? If so, what is the shared resource protocol used to arbitrate the access to shared resources (SRP, priority ceiling...)? if any is used. - Is the ...
by Nacho_S
Thu Apr 21, 2016
Forum: Verification challenge
Topic: The FMTV'16 Challenge
Replies: 33
Views: 14316

Re: The FMTV'16 Challenge

Thank you so much, we understand all better :)
by Nacho_S
Wed Apr 20, 2016
Forum: Verification challenge
Topic: The FMTV'16 Challenge
Replies: 33
Views: 14316

Re: The FMTV'16 Challenge

Thank you Arne for the response.

In regard of question 1 we would like to ask you about the possibility of having mixed types of task (i.e., both preemptive and cooperative) on the same core. What should the scheduling policy be in this case?

Best regards
Nacho