Challenge: SparseFlow is an efficient method to sparsify the dense information flows within transformers.
Approach: They propose a method to sparsify the dense pathways of token representations across all transformer blocks by parameterizing them to be sparse.
Outcome: The proposed method reduces computational costs by half on average without compromising task accuracy.

Similar Papers

Sparsifying Transformer Models with Trainable Representation Pooling (2022.acl-long)

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Challenge: Existing approaches to sparsify attention in the Transformer model are based on quadratic memory complexity and a lack of information for each word.
Approach: They propose a method to sparsify attention in a Transformer model by learning to select the most-informative token representations during the training process.
Outcome: The proposed model performs better than the current SOTA model while being 1.8 faster during training, 4.5 faster inference and 13 more efficient in the decoder.
The Sparse Frontier: Sparse Attention Trade-offs in Transformer LLMs (2026.findings-acl)

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Challenge: Sparse attention is a promising strategy to extend long-context capabilities in LLMs . but its efficiency–accuracy trade-offs remain unclear due to the lack of comprehensive evaluation .
Approach: They evaluate sparse attention methods across multiple model families and sizes . they find larger sparser models outperform smaller dense ones at equivalent cost .
Outcome: The proposed methods outperform smaller sparse models at equivalent cost and improve the Pareto frontier.
Adaptive Transformers for Learning Multimodal Representations (2020.acl-srw)

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Challenge: Existing approaches for learning visiolinguistic representations with transformers are over-parametrized and require extensive training.
Approach: They propose to extend attention spans, sparse, and structured dropout methods to learn more about how the network perceives the complexity of input sequences.
Outcome: The proposed approaches improve on language semantics and visiolinguistic representations, but are often over-parametrized and require large amounts of computation.
Transformers: State-of-the-Art Natural Language Processing (2020.emnlp-demos)

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Challenge: Transformers is an open-source library that aims to open up advances in natural language processing to the wider machine learning community.
Approach: they propose an open-source library that aims to open up advances in machine learning to the wider community.
Outcome: Transformers is an open-source library with the goal of opening up these advances to the wider machine learning community.
FBS: Modeling Native Parallel Reading inside a Transformer (2026.findings-acl)

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Challenge: Existing acceleration methods largely patch the autoregressive pipeline and miss core human-reading ingredients.
Approach: They propose a trainable loop that injects a causal loop into Transformers via a 'parafoveal' approach.
Outcome: The proposed model improves quality-efficiency trade-off without increasing parameters . ablations show the three modules are complementary .
Understanding and Overcoming the Challenges of Efficient Transformer Quantization (2021.emnlp-main)

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Challenge: Recent advances in transformer quantization have shown remarkable improvement in many Natural Language Processing tasks and beyond.
Approach: They propose a novel quantization scheme for transformers that can be quantized to ultra-low bit-widths, leading to significant memory savings with a minimum accuracy loss.
Outcome: The proposed methods achieve state-of-the-art results on the GLUE benchmark using BERT, while preserving memory and accuracy.
On the Distribution, Sparsity, and Inference-time Quantization of Attention Values in Transformers (2021.findings-acl)

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Challenge: Recent work shows that attention can be pruned to zeros with minimal loss in accuracy.
Approach: They propose a pruning technique which quantizes attention to a 3-bit format without retraining . they find that 80% of attention values can be pruned to zeros with minimal loss in accuracy .
Outcome: The proposed approach produces only a few unique attention values with minimal loss in accuracy.
Sparse Growing Transformer: Training-Time Sparse Depth Allocation via Progressive Attention Looping (2026.findings-acl)

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Challenge: Existing approaches to increasing effective depth of LLMs rely on parameter reuse, extending computation through recursive execution.
Approach: They propose a training-time sparse depth allocation framework that progressively increases depth for a small subset of parameters as training evolves.
Outcome: The proposed model outperforms existing approaches to increasing the effective depth of language models while reducing training FLOPs overhead from approximately 16–20% to only 1–3% relative to a standard Transformer backbone.
Context Compression for Auto-regressive Transformers with Sentinel Tokens (2023.emnlp-main)

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Challenge: Existing Transformer-based LLMs have limited performance due to complexity of attention module . key-value cache is the major memory footprint and inference latency problem .
Approach: They propose a plug-and-play approach that incrementally compresses token activation into compact ones . they also profile the benefit of context compression on improving the system throughout .
Outcome: The proposed approach reduces memory footprint and inference latency by compressing tokens into compact ones.
VISIT: Visualizing and Interpreting the Semantic Information Flow of Transformers (2023.findings-emnlp)

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Challenge: Recent work in interpretability suggests we can project weights and hidden states of transformer-based language models (LMs) to their vocabulary space, a transformation that makes them more human interpretable.
Approach: They propose a tool to visualize a forward pass of Generative Pre-trained Transformers as an interactive flow graph with nodes representing neurons or hidden states and edges representing interactions between them.
Outcome: The proposed visualization simplifies huge amounts of data into easy-to-read graphs that can reflect the models’ internal processing, uncovering the contribution of each component to the models' final prediction.

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