TopKSampler
類別keras_nlp.samplers.TopKSampler(k=5, seed=None, **kwargs)
Top-K 採樣器類別。
此採樣器實現了 top-k 搜尋演算法。簡而言之,top-k 演算法從機率最高的 K 個詞彙中隨機選擇一個詞彙,選擇機率由機率決定。
參數
k
值。None
。呼叫參數
{{call_args}}
範例
causal_lm = keras_nlp.models.GPT2CausalLM.from_preset("gpt2_base_en")
# Pass by name to compile.
causal_lm.compile(sampler="top_k")
causal_lm.generate(["Keras is a"])
# Pass by object to compile.
sampler = keras_nlp.samplers.TopKSampler(k=5, temperature=0.7)
causal_lm.compile(sampler=sampler)
causal_lm.generate(["Keras is a"])