[SYCL][COMPAT] Fix slow math_extend tests #14599
Merged
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The
math_extend*cpp
tests were very slow despite not doing a huge amount of work. This PR accelerates these tests with the following changes:parallel_for
withsingle_task
char
arrays in kernelsycl::stream
for outputLocally, the
math_extend_v_4.cpp
tests are about 5x faster. The other 2 are around 2x faster.