Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Provide Example of Generating min_latency, max_latency, etc #8

Closed
samuelmanzer opened this issue Aug 25, 2019 · 3 comments
Closed

Provide Example of Generating min_latency, max_latency, etc #8

samuelmanzer opened this issue Aug 25, 2019 · 3 comments

Comments

@samuelmanzer
Copy link

Hello,

I was very excited to discover the Exegesis repo and am eager to try it out. I have followed the instructions given in the root README.md file, but I noticed that the resulting output file /tmp/intel_isa.pbtxt does not include any of the latency related fields given in this .proto file (such as min_latency, max_latency, etc):

https://github.com/google/EXEgesis/blob/master/exegesis/proto/instructions.proto

If anyone could kindly provide an example command that populates these fields, I would sincerely appreciate it.

I apologize for posting this as an issue when it might be more appropriate for the @googlegroups list, but my email to that list bounced.

@legrosbuffle
Copy link
Collaborator

The tool that computes this information is:
https://github.com/google/EXEgesis/blob/master/exegesis/tools/compute_itineraries.cc

That being said, we have open-sourced a better tool as part of LLVM: llvm-exegesis. Further development will happen there.

@Artoria2e5
Copy link

It might be a good idea to put a link to the new LLVM tool in README, so that people are aware of the status of this repo.

@ondrasej
Copy link
Collaborator

Actually, we used to fill these fields by parsing the Intel Optimization Reference Manual, but this code was never open-sourced, and we've decided to retire it in favor of llvm-exegesis and @legrosbuffle mentioned.

We've removed these fields completely a recent update.

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
None yet
Projects
None yet
Development

No branches or pull requests

4 participants