📜 𝐎𝐥𝐝-𝐬𝐜𝐡𝐨𝐨𝐥 𝐑𝐍𝐍𝐬 𝐜𝐚𝐧 𝐚𝐜𝐭𝐮𝐚𝐥𝐥𝐲 𝐫𝐢𝐯𝐚𝐥 𝐟𝐚𝐧𝐜𝐲 𝐭𝐫𝐚𝐧𝐬𝐟𝐨𝐫𝐦𝐞𝐫𝐬!
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📜 𝐎𝐥𝐝-𝐬𝐜𝐡𝐨𝐨𝐥 𝐑𝐍𝐍𝐬 𝐜𝐚𝐧 𝐚𝐜𝐭𝐮𝐚𝐥𝐥𝐲 𝐫𝐢𝐯𝐚𝐥 𝐟𝐚𝐧𝐜𝐲 𝐭𝐫𝐚𝐧𝐬𝐟𝐨𝐫𝐦𝐞𝐫𝐬!
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Researchers from Mila and Borealis AI just have shown that simplified versions of good old Recurrent Neural Networks (RNNs) can match the performance of today's transformers.
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Researchers from Mila and Borealis AI just have shown that simplified versions of good old Recurrent Neural Networks (RNNs) can match the performance of today's transformers.
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They took a fresh look at LSTMs (from 1997!) and GRUs (from 2014). They stripped these models down to their bare essentials, creating "minLSTM" and "minGRU". The key changes:
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They took a fresh look at LSTMs (from 1997!) and GRUs (from 2014). They stripped these models down to their bare essentials, creating "minLSTM" and "minGRU". The key changes:
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❶ Removed dependencies on previous hidden states in the gates
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❶ Removed dependencies on previous hidden states in the gates
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❷ Dropped the tanh that had been added to restrict output range in order to avoid vanishing gradients
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❷ Dropped the tanh that had been added to restrict output range in order to avoid vanishing gradients
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❸ Ensured outputs are time-independent in scale (not sure I understood that well either, don't worry)
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❸ Ensured outputs are time-independent in scale (not sure I understood that well either, don't worry)
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⚡️ As a result, you can use a “parallel scan” algorithm to train these new, minimal RNNs, in parallel, taking 88% more memory but also making them 200x faster than their traditional counterparts for long sequences
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⚡️ As a result, you can use a “parallel scan” algorithm to train these new, minimal RNNs, in parallel, taking 88% more memory but also making them 200x faster than their traditional counterparts for long sequences
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🔥 The results are mind-blowing! Performance-wise, they go toe-to-toe with Transformers or Mamba.
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🔥 The results are mind-blowing! Performance-wise, they go toe-to-toe with Transformers or Mamba.
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And for Language Modeling, they need 2.5x fewer training steps than Transformers to reach the same performance! 🚀
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And for Language Modeling, they need 2.5x fewer training steps than Transformers to reach the same performance! 🚀
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🤔 Why does this matter?
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🤔 Why does this matter?
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By showing there are simpler models with similar performance to transformers, this challenges the narrative that we need advanced architectures for better performance!
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By showing there are simpler models with similar performance to transformers, this challenges the narrative that we need advanced architectures for better performance!
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💬 François Chollet wrote in a tweet about this paper:
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💬 François Chollet wrote in a tweet about this paper:
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“The fact that there are many recent architectures coming from different directions that roughly match Transformers is proof that architectures aren't fundamentally important in the curve-fitting paradigm (aka deep learning)”
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“The fact that there are many recent architectures coming from different directions that roughly match Transformers is proof that architectures aren't fundamentally important in the curve-fitting paradigm (aka deep learning)”
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“Curve-fitting is about embedding a dataset on a curve. The critical factor is the dataset, not the specific hard-coded bells and whistles that constrain the curve's shape.”
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“Curve-fitting is about embedding a dataset on a curve. The critical factor is the dataset, not the specific hard-coded bells and whistles that constrain the curve's shape.”
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It’s the Bitter lesson by Rich Sutton striking again: don’t need fancy thinking architectures, just scale up your model and data!
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It’s the Bitter lesson by Rich Sutton striking again: don’t need fancy thinking architectures, just scale up your model and data!
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Read the paper 👉 
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Read the paper 👉 
Were RNNs All We Needed? (2410.01201)
https://huggingface.co/papers/2410.01201
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https://huggingface.co/papers/2410.01201
📜 𝐎𝐥𝐝-𝐬𝐜𝐡𝐨𝐨𝐥 𝐑𝐍𝐍𝐬 𝐜𝐚𝐧 𝐚𝐜𝐭𝐮𝐚𝐥𝐥𝐲 𝐫𝐢𝐯𝐚𝐥 𝐟𝐚𝐧𝐜𝐲 𝐭𝐫𝐚𝐧𝐬𝐟𝐨𝐫𝐦𝐞𝐫𝐬!

Researchers from Mila and Borealis AI just have shown that simplified versions of good old Recurrent Neural Networks (RNNs) can match the performance of today's transformers.

They took a fresh look at LSTMs (from 1997!) and GRUs (from 2014). They stripped these models down to their bare essentials, creating "minLSTM" and "minGRU". The key changes:
❶ Removed dependencies on previous hidden states in the gates
❷ Dropped the tanh that had been added to restrict output range in order to avoid vanishing gradients
❸ Ensured outputs are time-independent in scale (not sure I understood that well either, don't worry)

⚡️ As a result, you can use a “parallel scan” algorithm to train these new, minimal RNNs, in parallel, taking 88% more memory but also making them 200x faster than their traditional counterparts for long sequences

🔥 The results are mind-blowing! Performance-wise, they go toe-to-toe with Transformers or Mamba.

And for Language Modeling, they need 2.5x fewer training steps than Transformers to reach the same performance! 🚀

🤔 Why does this matter?

By showing there are simpler models with similar performance to transformers, this challenges the narrative that we need advanced architectures for better performance!

💬 François Chollet wrote in a tweet about this paper:

“The fact that there are many recent architectures coming from different directions that roughly match Transformers is proof that architectures aren't fundamentally important in the curve-fitting paradigm (aka deep learning)”

“Curve-fitting is about embedding a dataset on a curve. The critical factor is the dataset, not the specific hard-coded bells and whistles that constrain the curve's shape.”

It’s the Bitter lesson by Rich Sutton striking again: don’t need fancy thinking architectures, just scale up your model and data!

Read the paper 👉 https://huggingface.co/papers/2410.01201
👍
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