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Windows 10: Slow performance in imageWrapping example with different Terra version #157

Description

@SummerUnre

With CUDA 10.2 in Windows 10, I have built the Opt and Terra(LLVM 6.01) from master branch. Then the examples/imageWrapping is successfully built and It is able to run normally,

However, the time of every iteration is really long ( > 40s) with the figure shown below with this hardware config:
CPU: Intel(R) Core(TM) i7-8700 CPU @3.2GHz 3.19GHz
RAM: 16GB
GPU: Nvidia GeForce GTX 1080

image

However, when I replace the pre-built Terra with version (Release 1.0.0-beta1) and run the imageWrapping.exe again, it is found that the computation time reduces to (~15s) shown below

image

Terra seems like the key to the speed of the program. Is there any clues for the root cause of this problem? Thanks!

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