8000 What does the map_size mean in lmdb.open in prepare_data.py? If I want to change the max resolution to 128, should I change map_size = 1024 ** 4 to map_size = 128 ** 4? · Issue #110 · rosinality/style-based-gan-pytorch · GitHub
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What does the map_size mean in lmdb.open in prepare_data.py? If I want to change the max resolution to 128, should I change map_size = 1024 ** 4 to map_size = 128 ** 4? #110

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code-roamer opened this issue Dec 23, 2020 · 3 comments
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What does the map_size mean in lmdb.open in prepare_data.py? If I want to change the max resolution to 128, should I change map_size = 1024 ** 4 to map_size = 128 ** 4? #110

code-roamer opened this issue Dec 23, 2020 · 3 comments

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@code-roamer
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@rosinality
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It is memory map sizes for LMDB. Generally you don't need to change it.

@gabrieloks
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Hello,

Thank you very much for the code. I have a question regarding database prep. I don't have enough memory (I get allocation error for map_size = 1024 ** 4 but works for map_size = 256 ** 4) and I have to reduce img size to 256. What should be changed in this case?

Thanks

@rosinality
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It is hard to know actual image sizes as images are saved as a jpeg. But bounds will be 256 * 256 * 3 * number of images bytes.

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