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CSWYF3634076
102 lines
3.7 KiB
Python
102 lines
3.7 KiB
Python
"""
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Copyright (c) 2025 PaddlePaddle Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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import types
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from unittest import mock
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from fastdeploy.engine.sched.scheduler_metrics_logger import SchedulerMetricsLogger
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def test_on_decode_tokens_accumulates():
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logger = SchedulerMetricsLogger(enabled=True, dp_rank=0)
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logger._decode_tokens_since_last = 0
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logger.on_decode_tokens(3)
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logger.on_decode_tokens(0)
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logger.on_decode_tokens(-1)
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assert logger._decode_tokens_since_last == 3
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def test_log_prefill_batch_logs_expected_message():
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logger = SchedulerMetricsLogger(enabled=True, dp_rank=2)
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logger._logger = mock.Mock()
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reqs = [
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types.SimpleNamespace(prefill_start_index=0, prefill_end_index=4, num_cached_tokens=2),
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types.SimpleNamespace(prefill_start_index=3, prefill_end_index=3, num_cached_tokens=1),
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]
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logger.log_prefill_batch(prefill_reqs=reqs, running_cnt=5, queue_cnt=6, tokens_used=10, token_usage=0.75)
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logger._logger.info.assert_called_once()
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message = logger._logger.info.call_args[0][0]
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assert "Prefill batch" in message
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assert "dp_rank: 2" in message
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assert "#new-seq: 2" in message
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assert "#new-token: 4" in message
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assert "#cached-token: 3" in message
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assert "token usage: 0.75" in message
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assert "#running-req: 5" in message
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assert "#queue-req: 6" in message
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def test_log_decode_batch_computes_throughput(monkeypatch):
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logger = SchedulerMetricsLogger(enabled=True, dp_rank=1)
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logger._logger = mock.Mock()
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logger._decode_batch_count = logger._decode_log_interval - 1
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logger._decode_tokens_since_last = 10
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logger._last_decode_tic = 1.0
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monkeypatch.setattr("fastdeploy.engine.sched.scheduler_metrics_logger.time.perf_counter", lambda: 3.0)
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logger.log_decode_batch(running_cnt=4, queue_cnt=7, tokens_used=8, token_usage=0.5, use_cudagraph=True)
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logger._logger.info.assert_called_once()
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message = logger._logger.info.call_args[0][0]
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assert "Decode batch" in message
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assert "dp_rank: 1" in message
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assert "gen throughput (token/s): 5.00" in message
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assert "#queue-req: 7" in message
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assert logger._decode_tokens_since_last == 0
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assert logger._last_decode_tic == 3.0
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def test_log_decode_batch_logs_every_decode_interval():
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logger = SchedulerMetricsLogger(enabled=True, dp_rank=0)
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logger._logger = mock.Mock()
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for _ in range(logger._decode_log_interval - 1):
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logger.log_decode_batch(running_cnt=1, queue_cnt=2, tokens_used=3, token_usage=0.2, use_cudagraph=False)
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logger._logger.info.assert_not_called()
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logger.log_decode_batch(running_cnt=1, queue_cnt=2, tokens_used=3, token_usage=0.2, use_cudagraph=False)
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logger._logger.info.assert_called_once()
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def test_decode_log_interval_reads_env(monkeypatch):
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monkeypatch.setenv("FD_CONSOLE_DECODE_LOG_INTERVAL", "2")
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logger = SchedulerMetricsLogger(enabled=True, dp_rank=0)
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assert logger._decode_log_interval == 2
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def test_decode_log_interval_non_positive_falls_back_to_default(monkeypatch):
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monkeypatch.setenv("FD_CONSOLE_DECODE_LOG_INTERVAL", "0")
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logger = SchedulerMetricsLogger(enabled=True, dp_rank=0)
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assert logger._decode_log_interval == SchedulerMetricsLogger.DEFAULT_DECODE_LOG_INTERVAL
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