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Improving Neural Program Synthesis with Inferred Execution Traces

NeurIPS 2018 · Architectures and efficiency › RNNs and normalization · approach: Neural-symbolic reasoning · 23 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
insert inferred execution trace stage (I/O->TRACE->CODE) before program synthesisKarel encoder-decoder synthesizer · Karel Top-1 Generalizationgeneralization accuracy: 73.5% -> 81.3%Helped
insert inferred execution trace stageKarel synthesizer · Karel Top-50 Guided Searchaccuracy: 84.6% -> 88.8%Helped
add trace stage, programs of length 30+Karel synthesizer · Karel programs length 30+accuracy: 48.6% -> 61.0%Helped
add trace stage, short programs length 0-15Karel synthesizer · Karel programs length 0-15accuracy: 99.5% -> 99.5%No clear effect
add interpreter grid state input to I/O->TRACE decoder (ablation)I/O->TRACE model · Karel trace correctness Top-1trace correctness: 92.5% -> 94.8%Helped
add interpreter grid state input to I/O->TRACE decoder (ablation)I/O->TRACE model · Karel trace exact match Top-1exact match: 58.7% -> 57.6%No clear effect
add residual connections to conv encoder (PRESNET) (ablation)I/O->TRACE LGRL · Karel trace correctness Top-1trace correctness: 94.8% -> 95.2%No clear effect
train TRACE->CODE on inferred traces instead of gold traces (ablation)TRACE->CODE, tested on inferred traces · Karel Guided Searchaccuracy: 81.8% -> 88.8%Helped

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