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@@ -94,15 +94,20 @@ def get_creative_id_with_thompson_weight(mid, creative_id_list, gevent_pool, sor
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creative_id = item[0]
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creative_weight[creative_id] += (i * config_.WEIGHT_GRADIENT)
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- # thompson_score * weight
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+ # 对有cvr的creative进行加权
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thompson_weight_res_list = []
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weight_sum = sum([weight for _, weight in creative_weight.items()])
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for thompson_res in thompson_res_list:
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creative_id, score = thompson_res[0], thompson_res[1]
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- weight_score = score * (1 + creative_weight[creative_id] / weight_sum)
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- thompson_weight_res_list.append(thompson_res.add([creative_weight[creative_id], weight_score]))
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+ weight = creative_weight[creative_id]
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+ if weight > config_.CREATIVE_WEIGHT_INITIAL:
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+ weight_score = score * (1 + weight / weight_sum)
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+ else:
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+ weight_score = score
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+ thompson_weight_res = thompson_res + [creative_weight[creative_id], weight_score]
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+ thompson_weight_res_list.append(thompson_weight_res)
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# 重新排序
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- thompson_res_rank = sorted(thompson_weight_res_list, key=lambda x: x[6], reverse=True)
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+ thompson_res_rank = sorted(thompson_weight_res_list, key=lambda x: x[7], reverse=True)
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rank_res = {
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'mid': mid,
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'creative_id': thompson_res_rank[0][0],
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