Opened 9 years ago
Last modified 8 years ago
#51367 assigned enhancement
gcc6: add OpenACC NVIDIA offload compilers
| Reported by: | thomasdeakin@… | Owned by: | macports-tickets@… |
|---|---|---|---|
| Priority: | Normal | Milestone: | |
| Component: | ports | Version: | |
| Keywords: | Cc: | ryandesign (Ryan Carsten Schmidt) | |
| Port: | gcc6 |
Description
GCC 6.1 now supports OpenACC 2.0a targeting NVIDIA GPUs. This requires a separate configure and build step before building the main compiler. It would be great if GCC 6.1 from MacPorts came with this set up.
Change History (4)
comment:1 Changed 9 years ago by mf2k (Frank Schima)
| Owner: | changed from macports-tickets@… to mww@… |
|---|---|
| Type: | request → enhancement |
| Version: | 2.3.4 |
comment:2 Changed 8 years ago by ryandesign (Ryan Carsten Schmidt)
| Cc: | ryandesign@… added |
|---|---|
| Summary: | GCC6 does not include OpenACC NVIDIA offload compilers → gcc6: add OpenACC NVIDIA offload compilers |
Specifically, what would the separate configure and build steps need to do?
comment:3 Changed 8 years ago by thomasdeakin@…
It's pretty laborious, and I managed to get it built for Linux using these instructions: http://scelementary.com/2015/04/25/openacc-in-gcc.html The instructions are for GCC 5.0 but they work fine for 6.1.
In short, an external assembler for PTX is built, then GCC is configured, built and installed targeting PTX. Then GCC is built for the second time, configured as a host compiler specifying that it can offload.
comment:4 Changed 8 years ago by kurthindenburg (Kurt Hindenburg)
| Owner: | changed from mww@… to macports-tickets@… |
|---|---|
| Status: | new → assigned |
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