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43d6886810
* rewrite test_select to run in a few seconds.
* removing the threading; reverting to the original method.
* Merge from Master, remove all suggested changes and start with a simple change report on each change's cost savings:
BEFORE:
real 47m8.497s
user 48m8.860s
sys 0m14.952s
AFTER:
real 17m53.383s
user 18m53.342s
sys 0m13.297s
initSrcBuffer generates the same random noise every iteration through the loop. There is no change to the arguments, and the host data itself doesn't need to get rewritten. Profiling realizes a 2 times speed accel from simply relying upon the buffer to remain randomized at the next loop iteration.
* BEFORE:
real 17m53.383s
user 18m53.342s
sys 0m13.297s
AFTER:
real 12m26.035s
user 13m15.505s
sys 0m15.414s
rearrange a few things in the loops to allow for vectorized / interleaved loop traversal. NB: not all loops are vectorizable obviously; but this addresses the worst offenders. Also note, to enable compiler to generate vectorized and interleaved loop traversal build with -o3.
* address the CI format requirements.
* address the CI format requirements.
* address the CI format requirements.