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Add larger GPT models #213

Merged
merged 1 commit into from
Jan 10, 2022
Merged

Add larger GPT models #213

merged 1 commit into from
Jan 10, 2022

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jbloxham
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Time to go bigger :)

Specs copied from https://arxiv.org/pdf/2005.14165.pdf. Only fields changed from the existing GPT models are:
model.gpt2.n_embd
model.gpt2.n_head
model.gpt2.n_inner
model.gpt2.n_layer
optimizer.adamw.lr
train_batch_size
grad_accum

@moinnadeem
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What machine is grad_accum tuned for?

@jbloxham
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What machine is grad_accum tuned for?

It's just assuming a microbatch size of 1 for any 8-GPU machine. I'm of the opinion that providing pre-tuned grad_accum is counterproductive.

abhi-mosaic
abhi-mosaic approved these changes Jan 10, 2022
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I think these are fine for now for the purpose of performance benchmarking, in the near future we can update / replace them with GPT3 convergence run YAMLs.

@jbloxham jbloxham merged commit aad5330 into mosaicml:dev Jan 10, 2022
coryMosaicML pushed a commit to coryMosaicML/composer that referenced this pull request Feb 23, 2022
@jbloxham @coryMosaicML
add larger GPT models (mosaicml#213)
331378e
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@abhi-mosaic abhi-mosaic abhi-mosaic approved these changes

@moinnadeem moinnadeem Awaiting requested review from moinnadeem

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@jbloxham @moinnadeem @abhi-mosaic