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Signed-off-by: Artur Wojcik <artur.wojcik@amd.com>

* deprecate HCC

Updated each source file in the repo with the existing license.

There is significant improvement on larger tensors with half almost 50% faster:

lens: [1024, 384, 768]
gpu::code_object[code_object=13832,symbol_name=kernel,global=39321600,local=256,]: 1.16685ms
gpu::reduce_sum[axes={2}]: 1.73126ms
Also for non-trivial layouts this can sometimes be over 2x faster:

lens: [64, 1024, 768, 4]
gpu::code_object[code_object=13832,symbol_name=kernel,global=39321600,local=256,]: 1.1706ms
gpu::reduce_sum[axes={1}]: 2.63375ms
Of course if the stride becomes larger this speed improvement diminishes due to poor memory access patterns. A lane_reduce instead of a block_reduce is needed for such type of kernels. I plan to address that in a future PR.

Finally, this also includes a MIGRAPHX_GPU_DUMP_ASM env variable which will print out the assembly when the kernel compiles.

* Use ccache for runtime compilation

* Improve handling of exceptions in test driver

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* Auto print exception

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* Fork each test case

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* Exclude gcc 5 debug build

* Fix tidy issues

* Add color

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* Create driver class

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* Customize test_case names

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* Report status from forked processes

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* Update the verify driver

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* Print out failed tests

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* Fix tidy issues

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* Expect passing

* Improve failure reporting on non-linux systems

* Fix ifdef

* Flush code code cov

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* Fix tidy

* Check if weak symbols is linked

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* Add continue flag

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* Set exe name

* Use stringstream and use quotes
Co-authored-by: mvermeulen <5479696+mvermeulen@users.noreply.github.com>

* Add definitions for all pointwise operators

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* Add cpp generator class

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* Move compilation to core

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* Add clock to tmp name

* Add dynamic loader

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* Add tests for code gen

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* Add test for literals

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* Use with_char

* Add missing header

* Fix mismerge

* Ignore tidy warning

* Fxx gcc 5 errors

* Apply fixits

* Skip signed bitwise of status

* Remove unused parameters

* Explicitly add c++14 flag

* Fix tidy warning

* Remove .o files