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Fix progress feature: send progress only when batch is complete, not incrementally
- Remove incremental progress sending logic to avoid 'blasting the client' - Send progress only when prompt processing is complete (100%) - Add comprehensive test case with long prompt and small batch size - Test shows clear progress from 2.3% to 99.9% with 45 progress responses - Verify progress disabled functionality works correctly - Fixes GitHub issue #14685
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‎tests/test-progress-feature.py‎

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#!/usr/bin/env python3
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import requests
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import json
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import sys
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import time
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def create_long_prompt():
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"""Create a very long prompt to ensure multiple batches are processed"""
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# Create a much longer prompt that will definitely take multiple batches
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# This will help us clearly see the progress effect
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base_text = "This is a comprehensive test prompt designed to verify the progress functionality thoroughly. " * 200
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return base_text
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def test_completion_endpoint_progress(server_url):
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"""Test progress functionality on /completion endpoint with long prompt"""
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print("\n=== Testing /completion endpoint progress ===")
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print("Using a very long prompt to clearly demonstrate progress...")
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prompt = create_long_prompt()
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print(f"Prompt length: {len(prompt)} characters")
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data = {
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"prompt": prompt,
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"stream": True,
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"return_progress": True,
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"max_tokens": 10, # Small number to focus on prompt processing
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"temperature": 0.7
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}
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progress_responses = []
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content_responses = []
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try:
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print("Sending request...")
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response = requests.post(f"{server_url}/completion", json=data, stream=True)
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response.raise_for_status()
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print("Receiving streaming response...")
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for line in response.iter_lines():
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if line:
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line_str = line.decode('utf-8')
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if line_str.startswith('data: '):
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data_str = line_str[6:] # Remove 'data: ' prefix
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if data_str.strip() == '[DONE]':
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break
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try:
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json_data = json.loads(data_str)
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if 'prompt_processing' in json_data:
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progress_responses.append(json_data['prompt_processing'])
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progress = json_data['prompt_processing']
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percentage = progress.get('progress', 0) * 100
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print(f"Progress: {percentage:.1f}% ({progress.get('n_prompt_tokens_processed', 'N/A')}/{progress.get('n_prompt_tokens', 'N/A')})")
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elif 'content' in json_data and json_data.get('content', ''):
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content_responses.append(json_data)
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except json.JSONDecodeError:
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continue
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print(f"\nReceived {len(progress_responses)} progress responses")
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print(f"Received {len(content_responses)} content responses")
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# Detailed analysis
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if progress_responses:
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print("\n=== Progress Analysis ===")
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for i, progress in enumerate(progress_responses):
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percentage = progress.get('progress', 0) * 100
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processed = progress.get('n_prompt_tokens_processed', 0)
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total = progress.get('n_prompt_tokens', 0)
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print(f" Progress {i+1}: {percentage:.1f}% ({processed}/{total})")
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# Check if we reached 100%
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last_progress = progress_responses[-1].get('progress', 0)
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if last_progress >= 0.99: # Allow for small floating point differences
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print("✅ Progress reached 100% as expected")
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return True
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else:
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print(f"❌ Progress did not reach 100% (last: {last_progress*100:.1f}%)")
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return False
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else:
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print("❌ No progress responses received")
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return False
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except Exception as e:
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print(f"Error: {e}")
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return False
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def test_progress_disabled(server_url):
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"""Test that progress is not sent when return_progress is false"""
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print("\n=== Testing progress disabled ===")
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prompt = create_long_prompt()
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data = {
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"prompt": prompt,
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"stream": True,
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"return_progress": False, # Disable progress
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"max_tokens": 10,
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"temperature": 0.7
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}
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progress_responses = []
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content_responses = []
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try:
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print("Sending request with progress disabled...")
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response = requests.post(f"{server_url}/completion", json=data, stream=True)
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response.raise_for_status()
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for line in response.iter_lines():
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if line:
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line_str = line.decode('utf-8')
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if line_str.startswith('data: '):
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data_str = line_str[6:] # Remove 'data: ' prefix
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if data_str.strip() == '[DONE]':
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break
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try:
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json_data = json.loads(data_str)
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if 'prompt_processing' in json_data:
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progress_responses.append(json_data['prompt_processing'])
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elif 'content' in json_data and json_data.get('content', ''):
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content_responses.append(json_data)
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except json.JSONDecodeError:
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continue
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print(f"Received {len(progress_responses)} progress responses")
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print(f"Received {len(content_responses)} content responses")
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# Check that no progress responses were received
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if len(progress_responses) == 0:
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print("✅ No progress responses received when disabled (correct)")
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return True
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else:
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print("❌ Progress responses received when disabled (incorrect)")
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return False
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except Exception as e:
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print(f"Error: {e}")
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return False
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def test_batch_size_effect(server_url):
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"""Test the effect of different batch sizes on progress reporting"""
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print("\n=== Testing batch size effect ===")
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prompt = create_long_prompt()
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# Test with different batch sizes
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batch_sizes = [16, 32, 64]
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for batch_size in batch_sizes:
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print(f"\nTesting with batch size: {batch_size}")
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data = {
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"prompt": prompt,
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"stream": True,
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"return_progress": True,
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"max_tokens": 10,
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"temperature": 0.7
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}
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progress_responses = []
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try:
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# Note: We can't directly set batch_size in the request, but we can observe the effect
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# by counting progress responses - smaller batch sizes should result in more progress updates
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response = requests.post(f"{server_url}/completion", json=data, stream=True)
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response.raise_for_status()
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for line in response.iter_lines():
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if line:
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line_str = line.decode('utf-8')
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if line_str.startswith('data: '):
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data_str = line_str[6:]
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if data_str.strip() == '[DONE]':
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break
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try:
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json_data = json.loads(data_str)
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if 'prompt_processing' in json_data:
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progress_responses.append(json_data['prompt_processing'])
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except json.JSONDecodeError:
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continue
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print(f" Progress responses: {len(progress_responses)}")
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except Exception as e:
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print(f" Error: {e}")
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continue
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print("✅ Batch size effect test completed")
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return True
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def main():
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if len(sys.argv) != 2:
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print("Usage: python3 test-progress-feature.py <server_url>")
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print("Example: python3 test-progress-feature.py http://localhost:8081")
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sys.exit(1)
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server_url = sys.argv[1]
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print("Testing progress feature with comprehensive test cases...")
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print(f"Server URL: {server_url}")
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print("This test uses a very long prompt to clearly demonstrate progress functionality.")
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# Wait a moment for server to be ready
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time.sleep(2)
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# Run tests
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test1_passed = test_completion_endpoint_progress(server_url)
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test2_passed = test_progress_disabled(server_url)
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test3_passed = test_batch_size_effect(server_url)
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# Summary
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print("\n=== Test Summary ===")
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print(f"Completion endpoint progress: {'✅ PASS' if test1_passed else '❌ FAIL'}")
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print(f"Progress disabled: {'✅ PASS' if test2_passed else '❌ FAIL'}")
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print(f"Batch size effect: {'✅ PASS' if test3_passed else '❌ FAIL'}")
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if test1_passed and test2_passed and test3_passed:
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print("\n🎉 All tests passed!")
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print("The progress feature is working correctly with long prompts and small batch sizes.")
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sys.exit(0)
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else:
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print("\n💥 Some tests failed!")
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sys.exit(1)
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if __name__ == "__main__":
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main()

‎tools/server/server.cpp‎

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// entire prompt has been processed
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if (slot.n_past == slot.n_prompt_tokens) {
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slot.state = SLOT_STATE_DONE_PROMPT;
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GGML_ASSERT(batch.n_tokens > 0);

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