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genfasm excessive memory usage #1225

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mkurc-ant opened this issue Dec 13, 2019 · 2 comments
Closed

genfasm excessive memory usage #1225

mkurc-ant opened this issue Dec 13, 2019 · 2 comments

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@mkurc-ant
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The genfasm uses surprisingly large amount of memory. For the xc7/tests/counter design it tops up at 11.5GB for the full graph of xc7a50t device!

For the same design pack, place and route uses roughly about 6.5GB and that is probably due to the rr graph size.
@litghost
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This is a result of how rrgraph parsing and edge metadata is processed. The uxsdcxx capnp parser uses far less memory. There are also some changes to the metadata processing that will further lower memory usage.

@mkurc-ant mkurc-ant mentioned this issue Dec 18, 2019
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@litghost
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litghost commented Mar 2, 2020

I believe this has been resolved.

@litghost litghost closed this as completed Mar 2, 2020
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@litghost @mkurc-ant