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Paper 080 / Carnegie Mellon University / Princeton University

Mamba: Linear-Time Sequence Modeling with Selective State Spaces

Mamba makes state-space model parameters input-dependent and couples the selective recurrence with a hardware-aware parallel algorithm for long sequences.

UPDATED 16 Jul 2026SOURCE-LED REVIEWRESEARCH REVIEW
01

Paper, researchers, and primary source

Major lab research / sequence_models

Mamba makes state-space model parameters input-dependent and couples the selective recurrence with a hardware-aware parallel algorithm for long sequences.

CONTRIBUTION / 01

Contribution 1

Introduced selective state-space parameters that filter information based on the current token.

CONTRIBUTION / 02

Contribution 2

Designed a hardware-aware scan that avoids materializing large recurrent states.

CONTRIBUTION / 03

Contribution 3

Matched or exceeded studied Transformer baselines across language, audio, and genomics with linear sequence scaling.

02

Research context

sequence_models / 2023

Mamba: Linear-Time Sequence Modeling with Selective State Spaces places mamba inside the broader sequence models discussion at Carnegie Mellon University / Princeton University, with state space model supplying a second analytical lens. The paper's through-line contains three reported moves: Introduced selective state-space parameters that filter information based on the current token; Designed a hardware-aware scan that avoids materializing large recurrent states; and Matched or exceeded studied Transformer baselines across language, audio, and genomics with linear sequence scaling. That sequence keeps linear time tied to the reported work instead of treating it as a free-standing promise. The practical stake is equally bounded: linear scaling is attractive for long contexts, but recall, scaling behavior, kernel maturity, and task quality vary with architecture and workload.

03

Methods and evidence reading

1 cataloged method notes

METHOD / 01

Method 1

The experimental design in Mamba: Linear-Time Sequence Modeling with Selective State Spaces tests introduced selective state-space parameters that filter information based on the current token and designed a hardware-aware scan that avoids materializing large recurrent states against the paper's documented baselines, datasets, model variants, or systems workloads.

How to read the evidence

Evidence for Mamba: Linear-Time Sequence Modeling with Selective State Spaces is best read as a scoped argument rather than a universal verdict. The source record contains two linked moves: Introduced selective state-space parameters that filter information based on the current token; and Designed a hardware-aware scan that avoids materializing large recurrent states. Its reported outcome is: Matched or exceeded studied Transformer baselines across language, audio, and genomics with linear sequence scaling. The defensible takeaway remains linear scaling is attractive for long contexts, but recall, scaling behavior, kernel maturity, and task quality vary with architecture and workload. That conclusion must travel with the recorded boundary that claims derived from Mamba: Linear-Time Sequence Modeling with Selective State Spaces should name compute budget, evaluation protocol, task distribution, comparison baselines, architecture choices, and documented data, the conditions under which its mamba evidence was obtained. A replication should preserve the disclosed setup and test whether mamba still holds when state space model conditions change. For a follow-on study of Mamba: Linear-Time Sequence Modeling with Selective State Spaces, pair mamba measurements with state space model slices and preserve negative examples around Designed a hardware-aware scan that avoids materializing large recurrent states as first-class evidence.

04

Findings in the source record

1 paper-specific findings

  1. The reported evidence in Mamba: Linear-Time Sequence Modeling with Selective State Spaces supports matched or exceeded studied transformer baselines across language, audio, and genomics with linear sequence scaling.
05

Practical implication for AI builders

Carnegie Mellon University / Princeton University / 2023

06

Proposed BrokenGPT application

Research blueprint / proposed status

INTEGRATION POINT / 01

Proposed route placement / mamba

For a proposed BrokenGPT experiment based on Mamba: Linear-Time Sequence Modeling with Selective State Spaces, benchmark a Mamba endpoint on long-sequence recall, streaming, throughput, memory, language quality, and kernel portability before exposing it as a context-efficient route. Keep the mamba path isolated, versioned, and attributable to this research record.

VALIDATION METRIC / 02

Proposed acceptance test / state space model

Validate the proposed mamba route against the paper's reported outcome: Matched or exceeded studied Transformer baselines across language, audio, and genomics with linear sequence scaling. Evaluation of Mamba: Linear-Time Sequence Modeling with Selective State Spaces would log long-sequence quality, throughput, task transfer, and state size and keep state space model failure groups visible when deciding whether mamba advances.

TRADEOFF / 03

Proposed decision boundary / linear time

Balance linear scaling, recurrence, and implementation maturity before promoting the proposed linear time design. Because A deployment review should isolate a different product, a later model revision, changed operating conditions, new hardware, and another user population when translating the mamba contribution into a different system, adoption remains conditional on replay under BrokenGPT's selected model, runtime, and policy configuration.

07

Limitations, verification, and source

Boundaries recorded with the paper

Limitations

  • Claims derived from Mamba: Linear-Time Sequence Modeling with Selective State Spaces should name compute budget, evaluation protocol, task distribution, comparison baselines, architecture choices, and documented data, the conditions under which its mamba evidence was obtained.
  • A deployment review should isolate a different product, a later model revision, changed operating conditions, new hardware, and another user population when translating the mamba contribution into a different system.

PRIMARY SOURCES

  1. 01
    Mamba: Linear-Time Sequence Modeling with Selective State Spaces

    Carnegie Mellon University / Princeton University — Primary primary arXiv paper / 1 December 2023 / Albert Gu, Tri Dao

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STRAIGHT ANSWERS

Frequently asked questions

01What does Mamba: Linear-Time Sequence Modeling with Selective State Spaces study?

Mamba makes state-space model parameters input-dependent and couples the selective recurrence with a hardware-aware parallel algorithm for long sequences.

02Which methods does Mamba: Linear-Time Sequence Modeling with Selective State Spaces use?

The experimental design in Mamba: Linear-Time Sequence Modeling with Selective State Spaces tests introduced selective state-space parameters that filter information based on the current token and designed a hardware-aware scan that avoids materializing large recurrent states against the paper's documented baselines, datasets, model variants, or systems workloads.

03What does Mamba: Linear-Time Sequence Modeling with Selective State Spaces report?

The reported evidence in Mamba: Linear-Time Sequence Modeling with Selective State Spaces supports matched or exceeded studied transformer baselines across language, audio, and genomics with linear sequence scaling.

04What is the proposed BrokenGPT application for Mamba: Linear-Time Sequence Modeling with Selective State Spaces?

Proposed: benchmark a Mamba endpoint on long-sequence recall, streaming, throughput, memory, language quality, and kernel portability before exposing it as a context-efficient route.

MAJOR LAB RESEARCH / PAPER 080

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