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Mamba dan Ruang Negeri Terpilih
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State-space models represent sequence processing through a latent state updated over time.
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Mamba adds input-dependent selectivity and a hardware-aware scan to make sequence modeling efficient.
A time-invariant linear state-space recurrence can be unrolled as a long convolution, enabling parallel training. Mamba makes selected parameters depend on the current input; this selectivity breaks the fixed convolution kernel, so the paper uses a hardware-aware parallel scan to compute the recurrence efficiently. The Mamba paper describes linear-time sequence processing and a recurrent state at inference. The convolution equivalence belongs to fixed-parameter SSMs, not selective Mamba itself. In the Mamba paper’s autoregressive language-model experiments, the standard training corpus was The Pile. The Mamba block combines the selective-SSM output and a projected branch with an elementwise gated interaction. The reported Mamba-3B model matched Transformers twice its size on the paper’s pretraining and downstream evaluations; scope this result to those experiments.
Process a long sequence with a state-space model.
Compare inference memory with an attention model at a set context length.
Inspect the selective-scan implementation and hardware assumptions.
Evaluate a hybrid architecture on the target modality.
SSMs and transformer hybrids are active research directions. Compare accuracy, throughput, and memory on matched tasks and sequence lengths.
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State-space models represent sequence processing through a latent state updated over time. Mamba adds input-dependent selectivity and a hardware-aware scan to make sequence modeling efficient.
SSM memproses jujukan dengan ulangan linear dan skala panjang secara linear, manakala perhatian kendiri membandingkan setiap token dengan yang lain dan menskala secara kuadratik.
Mamba memperkenalkan SSM terpilih yang parameter B, C dan saiz langkahnya ialah fungsi input, membenarkan model memilih perkara yang perlu diingati setiap token.
Parameter bergantung kepada input (selektif) bermakna pengulangan tidak lagi boleh menjadi satu lilitan tetap, jadi kernel imbasan selari memulihkan kelajuan latihan.
The Mamba paper says its standard autoregressive language-modeling experiments use The Pile; this identifies the paper’s dataset, not a universal training corpus.
The Mamba architecture combines its selective SSM with an MLP-style branch in a single block; the paper describes the block computation as using a multiplicative/gated interaction.
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Mamba dan Ruang Negeri Terpilih
AI bahasa