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40 lines
1.8 KiB
Python
40 lines
1.8 KiB
Python
import time
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import hivemind
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import pytest
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import torch
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from petals.client import DistributedBloomConfig
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from petals.data_structures import UID_DELIMITER
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from petals.dht_utils import get_remote_sequence
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from petals.server.handler import CACHE_TOKENS_AVAILABLE
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from test_utils import *
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@pytest.mark.forked
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def test_server_info(block_from: int = 22, block_to: int = 24, max_length: int = 100, max_length2: int = 50):
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dht = hivemind.DHT(initial_peers=INITIAL_PEERS, client_mode=True, start=True)
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config = DistributedBloomConfig.from_pretrained(MODEL_NAME)
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blocks1 = get_remote_sequence(dht, block_from, block_to, config, f"{MODEL_NAME}{UID_DELIMITER}")
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blocks2 = get_remote_sequence(dht, block_to - 1, block_to, config, f"{MODEL_NAME}{UID_DELIMITER}")
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info_before = blocks1.sequence_manager.rpc_info
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with blocks1.inference_session(max_length=max_length) as sess:
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sess.step(torch.randn(1, 1, config.hidden_size))
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blocks1.sequence_manager._rpc_info = None # invalidate cache
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info_inside = blocks1.sequence_manager.rpc_info
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with blocks2.inference_session(max_length=max_length2) as sess2:
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sess2.step(torch.randn(1, 1, config.hidden_size))
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blocks2.sequence_manager._rpc_info = None # invalidate cache
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info_inside2 = blocks2.sequence_manager.rpc_info
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time.sleep(0.1)
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blocks1.sequence_manager._rpc_info = None # invalidate cache
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info_after = blocks1.sequence_manager.rpc_info
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assert info_before[CACHE_TOKENS_AVAILABLE] == info_after[CACHE_TOKENS_AVAILABLE]
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assert info_before[CACHE_TOKENS_AVAILABLE] - info_inside[CACHE_TOKENS_AVAILABLE] == max_length * len(blocks1)
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assert info_inside[CACHE_TOKENS_AVAILABLE] - info_inside2[CACHE_TOKENS_AVAILABLE] == max_length2 * len(blocks2)
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