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import numpy as np |
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import pandas as pd |
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import time |
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import streamlit as st |
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import matplotlib.pyplot as plt |
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import seaborn as sns |
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import jax |
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import jax.numpy as jnp |
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import torch |
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import torch.nn.functional as F |
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from transformers import AlbertTokenizer, AlbertForMaskedLM |
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from skeleton_modeling_albert import SkeletonAlbertForMaskedLM |
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def wide_setup(): |
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max_width = 1500 |
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padding_top = 0 |
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padding_right = 2 |
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padding_bottom = 0 |
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padding_left = 2 |
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define_margins = f""" |
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<style> |
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.appview-container .main .block-container{{ |
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max-width: {max_width}px; |
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padding-top: {padding_top}rem; |
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padding-right: {padding_right}rem; |
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padding-left: {padding_left}rem; |
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padding-bottom: {padding_bottom}rem; |
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}} |
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</style> |
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""" |
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hide_table_row_index = """ |
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<style> |
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tbody th {display:none} |
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.blank {display:none} |
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</style> |
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""" |
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st.markdown(define_margins, unsafe_allow_html=True) |
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st.markdown(hide_table_row_index, unsafe_allow_html=True) |
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def load_css(file_name): |
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with open(file_name) as f: |
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st.markdown(f'<style>{f.read()}</style>', unsafe_allow_html=True) |
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@st.cache(show_spinner=True,allow_output_mutation=True) |
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def load_model(): |
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tokenizer = AlbertTokenizer.from_pretrained('albert-xxlarge-v2') |
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model = AlbertForMaskedLM.from_pretrained('albert-xxlarge-v2') |
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return tokenizer,model |
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def clear_data(): |
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for key in st.session_state: |
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del st.session_state[key] |
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def annotate_mask(sent_id,sent): |
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st.write(f'Sentence {sent_id}') |
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input_sent = tokenizer(sent).input_ids |
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decoded_sent = [tokenizer.decode([token]) for token in input_sent[1:-1]] |
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st.session_state[f'decoded_sent_{sent_id}'] = decoded_sent |
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char_nums = [len(word)+2 for word in decoded_sent] |
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cols = st.columns(char_nums) |
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if f'mask_locs_{sent_id}' not in st.session_state: |
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st.session_state[f'mask_locs_{sent_id}'] = [] |
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for word_id,(col,word) in enumerate(zip(cols,decoded_sent)): |
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with col: |
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if st.button(word,key=f'word_mask_{sent_id}_{word_id}'): |
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if word_id not in st.session_state[f'mask_locs_{sent_id}']: |
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st.session_state[f'mask_locs_{sent_id}'].append(word_id) |
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else: |
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st.session_state[f'mask_locs_{sent_id}'].remove(word_id) |
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show_annotated_sentence(decoded_sent, |
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mask_locs=st.session_state[f'mask_locs_{sent_id}']) |
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def annotate_options(sent_id,sent): |
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st.write(f'Sentence {sent_id}') |
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input_sent = tokenizer(sent).input_ids |
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decoded_sent = [tokenizer.decode([token]) for token in input_sent[1:-1]] |
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char_nums = [len(word)+2 for word in decoded_sent] |
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cols = st.columns(char_nums) |
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if f'option_locs_{sent_id}' not in st.session_state: |
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st.session_state[f'option_locs_{sent_id}'] = [] |
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for word_id,(col,word) in enumerate(zip(cols,decoded_sent)): |
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with col: |
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if st.button(word,key=f'word_option_{sent_id}_{word_id}'): |
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if word_id not in st.session_state[f'option_locs_{sent_id}']: |
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st.session_state[f'option_locs_{sent_id}'].append(word_id) |
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else: |
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st.session_state[f'option_locs_{sent_id}'].remove(word_id) |
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show_annotated_sentence(decoded_sent, |
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option_locs=st.session_state[f'option_locs_{sent_id}'], |
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mask_locs=st.session_state[f'mask_locs_{sent_id}']) |
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def show_annotated_sentence(sent,option_locs=[],mask_locs=[]): |
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disp_style = '"font-family:san serif; color:Black; font-size: 20px"' |
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prefix = f'<p style={disp_style}><span style="font-weight:bold">' |
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style_list = [] |
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for i, word in enumerate(sent): |
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if i in mask_locs: |
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style_list.append(f'<span style="color:Red">{word}</span>') |
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elif i in option_locs: |
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style_list.append(f'<span style="color:Blue">{word}</span>') |
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else: |
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style_list.append(f'{word}') |
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disp = ' '.join(style_list) |
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suffix = '</span></p>' |
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return st.markdown(prefix + disp + suffix, unsafe_allow_html = True) |
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def show_instruction(sent,fontsize=20): |
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disp_style = f'"font-family:san serif; color:Black; font-size: {fontsize}px"' |
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prefix = f'<p style={disp_style}><span style="font-weight:bold">' |
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suffix = '</span></p>' |
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return st.markdown(prefix + sent + suffix, unsafe_allow_html = True) |
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def create_interventions(token_id,interv_type,num_layers,num_heads): |
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interventions = {} |
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for layer_id in range(num_layers): |
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interventions[layer_id] = {} |
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if interv_type == 'all': |
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for rep in ['lay','qry','key','val']: |
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interventions[layer_id][rep] = [(head_id,token_id,[head_id,head_id+num_heads]) for head_id in range(num_heads)] |
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else: |
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interventions[layer_id][interv_type] = [(head_id,token_id,[head_id,head_id+num_heads]) for head_id in range(num_heads)] |
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return interventions |
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def separate_options(option_locs): |
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assert np.sum(np.diff(option_locs)>1)==1 |
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sep = list(np.diff(option_locs)>1).index(1)+1 |
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option_1_locs, option_2_locs = option_locs[:sep], option_locs[sep:] |
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assert np.all(np.diff(option_1_locs)==1) and np.all(np.diff(option_2_loc)==1) |
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return option_1_locs, option_2_locs |
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def mask_out(input_ids,pron_locs,option_locs,mask_id): |
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assert np.all(np.diff(pron_locs)==1) |
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return input_ids[:pron_locs[0]] + [mask_id for _ in range(len(option_locs))] + input_ids[pron_locs[-1]+1:] |
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if __name__=='__main__': |
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wide_setup() |
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load_css('style.css') |
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tokenizer,model = load_model() |
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num_layers, num_heads = 12, 64 |
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mask_id = tokenizer('[MASK]').input_ids[1:-1][0] |
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main_area = st.empty() |
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if 'page_status' not in st.session_state: |
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st.session_state['page_status'] = 'type_in' |
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if st.session_state['page_status']=='type_in': |
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show_instruction('1. Type in the sentences and click "Tokenize"') |
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sent_1 = st.text_input('Sentence 1',value='It is better to play a prank on Samuel than Craig because he gets angry less often.') |
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sent_2 = st.text_input('Sentence 2',value='It is better to play a prank on Samuel than Craig because he gets angry more often.') |
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if st.button('Tokenize'): |
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st.session_state['page_status'] = 'annotate_mask' |
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st.session_state['sent_1'] = sent_1 |
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st.session_state['sent_2'] = sent_2 |
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st.experimental_rerun() |
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if st.session_state['page_status']=='annotate_mask': |
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sent_1 = st.session_state['sent_1'] |
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sent_2 = st.session_state['sent_2'] |
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show_instruction('2. Select sites to mask out and click "Confirm"') |
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annotate_mask(1,sent_1) |
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annotate_mask(2,sent_2) |
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if st.button('Confirm',key='mask'): |
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st.session_state['page_status'] = 'annotate_options' |
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st.experimental_rerun() |
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if st.session_state['page_status'] == 'annotate_options': |
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sent_1 = st.session_state['sent_1'] |
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sent_2 = st.session_state['sent_2'] |
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show_instruction('3. Select options and click "Confirm"') |
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annotate_options(1,sent_1) |
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annotate_options(2,sent_2) |
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if st.button('Confirm',key='option'): |
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st.session_state['page_status'] = 'analysis' |
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st.experimental_rerun() |
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if st.session_state['page_status']=='analysis': |
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with main_area.container(): |
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sent_1 = st.session_state['sent_1'] |
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sent_2 = st.session_state['sent_2'] |
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show_annotated_sentence(st.session_state['decoded_sent_1'], |
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option_locs=st.session_state['option_locs_1'], |
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mask_locs=st.session_state['mask_locs_1']) |
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show_annotated_sentence(st.session_state['decoded_sent_2'], |
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option_locs=st.session_state['option_locs_2'], |
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mask_locs=st.session_state['mask_locs_2']) |
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option_1_locs, option_2_locs = {}, {} |
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pron_id = {} |
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input_ids_dict = {} |
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masked_ids_option_1 = {} |
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masked_ids_option_2 = {} |
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for sent_id in range(2): |
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option_1_locs[f'sent_{sent_id+1}'], option_2_locs[f'sent_{sent_id+1}'] = separate_options(st.session_state[f'option_locs_{sent_id}']) |
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pron_locs[f'sent_{sent_id+1}'] = st.session_state[f'mask_locs_{sent_id+1}'] |
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input_ids_dict[f'sent_{sent_id+1}'] = tokenizer(st.session_state[f'sent_{sent_id+1}']).input_ids |
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masked_ids_option_1[f'sent_{sent_id+1}'] = mask_out(input_ids_dict[f'sent_{sent_id+1}'], |
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pron_locs[f'sent_{sent_id+1}'], |
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option_1_locs[f'sent_{sent_id+1}'],mask_id) |
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masked_ids_option_2[f'sent_{sent_id+1}'] = mask_out(input_ids_dict[f'sent_{sent_id+1}'], |
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pron_locs[f'sent_{sent_id+1}'], |
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option_2_locs[f'sent_{sent_id+1}'],mask_id) |
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for token_ids in [masked_ids_option_1['sent_1'],masked_ids_option_1['sent_2'],masked_ids_option_2['sent_1'],masked_ids_option_2['sent_2']]: |
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st.write(' '.join([tokenizer.decode([token]) for toke in token_ids])) |
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if st.session_state['page_status'] == 'finish_debug': |
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try: |
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assert len(input_ids_1) == len(input_ids_2) |
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except AssertionError: |
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show_instruction('Please make sure the number of tokens match between Sentence 1 and Sentence 2', fontsize=12) |
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input_ids = torch.tensor([*[input_ids_1 for _ in range(num_heads)],*[input_ids_2 for _ in range(num_heads)]]) |
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interventions = create_interventions(16,'all',num_layers=num_layers,num_heads=num_heads) |
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outputs = SkeletonAlbertForMaskedLM(model,input_ids,interventions=interventions) |
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logprobs = F.log_softmax(outputs['logits'], dim = -1) |
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preds_0 = [torch.multinomial(torch.exp(probs), num_samples=1).squeeze(dim=-1) for probs in logprobs[0][1:-1]] |
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preds_1 = [torch.multinomial(torch.exp(probs), num_samples=1).squeeze(dim=-1) for probs in logprobs[1][1:-1]] |
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st.write([tokenizer.decode([token]) for token in preds_0]) |
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st.write([tokenizer.decode([token]) for token in preds_1]) |
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