"""本课独立实验；在仓库根目录执行 .venv/bin/python lessons/10/experiment.py。"""
import sys, json, math
from pathlib import Path
sys.path.insert(0, str(Path(__file__).resolve().parents[2]))
import torch
from torch import nn
from torch.nn import functional as F
from poetry_gpt.common import ROOT, DEFAULT_DATA, read_json, read_jsonl
from poetry_gpt.model import ModelConfig, PoetryGPT, CausalAttention, Block
from poetry_gpt.data import Tokenizer, SPECIAL, clean_record, keywords_for
from poetry_gpt.labs import show
torch.set_num_threads(2)
torch.manual_seed(26)

scores = torch.tensor([2.0, 1.0, 0.0])
weights = scores.softmax(-1)
values = torch.tensor([[1.0, 0.0], [0.0, 2.0], [2.0, 2.0]])
show('分数', scores.tolist())
show('权重', weights.tolist())
show('权重之和', weights.sum().item())
show('汇总后的信息', (weights @ values).tolist())