[Openmp-dev] Removing liboffload from repository

Narayanaswamy, Ravi via Openmp-dev openmp-dev at lists.llvm.org
Tue Jun 12 09:34:37 PDT 2018

I agree.  
In our last LLVM Multi-company offload meeting I asked if it can be removed and nobody had any objection.

-----Original Message-----
From: Openmp-dev [mailto:openmp-dev-bounces at lists.llvm.org] On Behalf Of Jonas Hahnfeld via Openmp-dev
Sent: Tuesday, June 12, 2018 9:30 AM
To: openmp-dev at lists.llvm.org
Subject: [Openmp-dev] Removing liboffload from repository

Hi all,

I'd like to propose removing liboffload (the 'offload/' directory) from the openmp repository.
1) This is an old dump from openmprtl.org which was never updated (The current version doesn't even build / work with newer software stacks!), even though Intel continued doing newer releases.
2) The library was never integrated into LLVM's build system, you have to manually call 'make' with the right parameters.
3) The library is meant for Intel's Xeon Phi Knights Corner coprocessor. 
AFAIK there only were variants of Knights Landing that serve as host processor (coprocessor cards were announced but never released). As of last year, even its successor Knights Hill has been declared dead and the whole line is now discontinued.

With libomptarget getting more mature it's quite confusing for our users that there are two libraries apparently doing offloading.

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