Chuck Yount comments

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                                            Chuck Yount

Default optimization

Referring to this README: https://github.com/oneapi-src/oneAPI-samples/blob/master/DirectProgramming/C%2B%2B/StructuredGrids/iso3dfd_omp_offload/README.md

Default optimization

Yes, the problem was as you mentioned: I had used OPT3, then tried to go back to baseline. Maybe this scenario should be better documented.

Add VTI and TTI example stencils

Old devito-generated TTI stencils were added in v2.3, but they are very ugly.

Save and load auto-tuner settings

Maybe save each tuner setting in a file in `$HOME/.yask/` dir or something like that. Would need to match platform and stencil settings, perhaps using some sort of key. Should...

Set num threads per block automatically in yask.sh script

Default of 2 on Xeon is correct now when HT is enabled. If HT is disabled, default will cause 2 cores to work on each block, which shouldn't be terrible,...

Improve dependency calculations

As a workaround, there are now APIs to allow the user to construct a dependency graph manually.

Improve condition checking in yask compiler

Now step conds can use grid vars, but only with const indices.

Use non-temporal load when beneficial

Also, should only use this when not using temporal tiling.

Enable streaming writes automatically

Consideration: streaming writes would often reduce performance when using temporal tiling.

Save and load auto-tuner settings

The per-stage tuning feature has been removed--should make this a bit easier to implement.