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https://issues.apache.org/jira/browse/SINGA-107?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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wangwei updated SINGA-107:
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Summary: Error from loading pre-trained params for training stacked RBMs
(was: pre-trained param checkpoint version reset problem )
> Error from loading pre-trained params for training stacked RBMs
> ---------------------------------------------------------------
>
> Key: SINGA-107
> URL: https://issues.apache.org/jira/browse/SINGA-107
> Project: Singa
> Issue Type: Bug
> Reporter: ZHAOJING
>
> When params are loaded from checkpoint files, their version numbers will be
> reset to 0 for fine-tuning as explained in the comments of SINGA-42.
> Then if this param is used again in another model, then the version number
> will become 0 and this param is not regarded as pre-training param thus will
> require initialization, which will incur problems.
> Present solution is to load this param more than one time, so that the latter
> loading can override the first loading, and the version number will not be 0
> and this param is still regarded as pre-training param.
> For example, in rbm3.conf, we write like:
> checkpoint_path: "examples/rbm/rbm2/checkpoint/step6000-worker0"
> checkpoint_path: "examples/rbm/rbm1/checkpoint/step6000-worker0"
> in order to load w1 and b12 twice.
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