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Regular Language Recognition on Modular Arithmetic

100AccuracyRNN
28.65647.17865.784.222May 25, 2026

Evaluation results

MethodLinks
RNNBackbone=RNN2026.05100
LSTMBackbone=LSTM2026.05100
MLP-LDRUBackbone=MLP-LDRU2026.05100
SD-SSMBackbone=SD-SSM2026.0599.9
RegularGPTBackbone=RegularGPT2026.0599.1
BBT-GRCBackbone=BBT-GRC2026.0594
Gated DeltaNetBackbone=Gated DeltaNet2026.0576.5
TF (NoPE)Backbone=Transformer, Positional Encoding=NoPE2026.0576
TF (ALiBi)Backbone=Transformer, Positional Encoding=ALiBi2026.0554.4
S5Backbone=S52026.0547.6
TF (~RoPE)Backbone=Transformer, Positional Encoding=~RoPE2026.0531.4