# The time of converting cpu image to gpu image is too long

**URL:** <https://discourse.itk.org/t/the-time-of-converting-cpu-image-to-gpu-image-is-too-long/2836>\
**Category:** Uncategorized\
**Created:** [March 17, 2020, 3:13am UTC](https://discourse.itk.org/t/the-time-of-converting-cpu-image-to-gpu-image-is-too-long/2836 "2020-03-17T03:13:32Z")\
**Posts on this page:** 1\
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**Author:** ![matt.mccormick](https://discourse.itk.org/user_avatar/discourse.itk.org/matt.mccormick/32/7_2.png) [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Post date:** [March 17, 2020, 3:02pm UTC](https://discourse.itk.org/t/the-time-of-converting-cpu-image-to-gpu-image-is-too-long/2836/2 "2020-03-17T15:02:38Z")

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CPU to GPU time is costly, but that is more than expected.

It is worth investigating your hardware and the CPU-GPU bus speed.

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