[log] route {'task_type': 'optimize', 'correctness_stages': ['csim'], 'initial_level': 1, 'budget': 40, 'token_mode': 'full'}
[log] pre_csim_review {'attempt': 1}
[log] kb_search {'query': [], 'hits': 0, 'hit_ids': []}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 40}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 40}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 40}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 40}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 40}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 40}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 40}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 40}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 40}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 40}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 40}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 40}
[log] mechanical_review {'passed': True, 'issues': []}
[log] heartbeat {'stage': 'llm', 'age_s': 3.8, 'stale': False, 'credit_remaining': 40}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 40}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 40}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 40}
[log] review {'verdict': 'pass', 'retry': 0, 'issues': 'PASS'}
[log] pre_csim_fix_applied {'note': 'LLM found issues before first csim'}
[log] tool_result {'kind': 'csim', 'phase': 'pass', 'ok': True, 'rc': 0, 'elapsed_s': 7.0, 'credit_spent': 1, 'log': ''}
[log] phase_exit {'phase': 'correctness', 'result': 'ok', 'best_level': 1}
[log] heartbeat {'stage': 'synth', 'age_s': 0.7, 'stale': False, 'credit_remaining': 39}
[log] tool_result {'kind': 'synth', 'phase': 'synth_error', 'ok': False, 'elapsed_s': 6.7, 'credit_spent': 5, 'log': '\n****** vitis-run v2025.2 (64-bit)\n  **** SW Build 6295257 on 2025-11-13-01:29:13\n  **** Start of session at: Sat Jul 25 22:41:10 2026\n    ** Copyright 1986-2022 Xilinx, Inc. All Rights Reserved.\n    ** Copyright 2022-2025 Advanced Micro Devices, Inc. All Rights Reserved.\n\n  **** HLS Build v2025.2 6295257\nSourcing Tcl script \'/home/admin/fpga-agent/runs/qwen3.6-27b/fir_optimize/agent/synth_2/run_hls.tcl\'\nINFO: [HLS 200-1510] Running: open_project synth_proj \nWARNING: [HLS 200-2182] The \'synth_proj\' project will not automatically appear within Vitis IDE workspaces and is meant only for TCL batch use.  Please use open_component instead of open_project/open_solution to generate Vitis IDE compatible component files and directory structure.\nResolution: For help on HLS 200-2182 see docs.amd.com/access/sources/dita/topic?Doc_Version=2025.2%20English&url=ug1448-hls-guidance&resourceid=200-2182.html\nINFO: [HLS 200-10] Creating and opening solution \'/home/admin/fpga-agent/runs/qwen3.6-27b/fir_optimize/agent/synth_2/synth_proj\'.\nINFO: [HLS 200-1510] Running: add_files fir.cpp \nINFO: [HLS 200-10] Adding design file \'fir.cpp\' to the project\nINFO: [HLS 200-1510] Running: open_solution sol -flow_target vivado \nINFO: [HLS 200-10] Creating and opening solution \'/home/admin/fpga-agent/runs/qwen3.6-27b/fir_optimize/agent/synth_2/synth_proj/sol\'.\nINFO: [HLS 200-1505] Using flow_target \'vivado\'\nResolution: For help on HLS 200-1505 see docs.amd.com/access/sources/dita/topic?Doc_Version=2025.2%20English&url=ug1448-hls-guidance&resourceid=200-1505.html\nINFO: [HLS 200-1510] Running: set_top fir \nINFO: [HLS 200-1510] Running: set_part xcu55c-fsvh2892-2L-e \nINFO: [HLS 200-1611] Setting target device to \'xcu55c-fsvh2892-2L-e\'\nINFO: [HLS 200-1510] Running: create_clock -period 5.0 -name clk_default \nINFO: [SYN 201-201] Setting up clock \'clk_default\' with a period of 5ns.\nINFO: [HLS 200-1510] Running: config_compile -unsafe_math_optimizations \nINFO: [XFORM 203-1172] Optimizing floating point zeros and discarding its signedness.\nINFO: [XFORM 203-1176] Optimizing floating point comparison without checking NaN.\nINFO: [XFORM 203-1173] Reordering floating point operations aggressively.\nINFO: [HLS 200-1510] Running: csynth_design \nINFO: [HLS 200-111] Finished File checks and directory preparation: CPU user time: 0.09 seconds. CPU system time: 0.08 seconds. Elapsed time: 0.16 seconds; current allocated memory: 463.801 MB.\nINFO: [HLS 200-2191] C-Synthesis will use clang-16 as the compiler\nINFO: [HLS 200-10] Analyzing design file \'fir.cpp\' ... \nERROR: [HLS 207-6969] \'#pragma HLS\' is only allowed in function scope (fir.cpp:3:1)\nINFO: [HLS 200-2161] Finished Command csynth_design Elapsed time: 00:00:00; Allocated memory: 1.398 MB.\nsyntax check failed.\n    while executing\n"source /home/admin/fpga-agent/runs/qwen3.6-27b/fir_optimize/agent/synth_2/run_hls.tcl"\n    ("uplevel" body line 1)\n    invoked from within\n"uplevel \\#0 [list source $tclfile] "\n\nINFO: [HLS 200-112] Total CPU user time: 2.38 seconds. Total CPU system time: 0.68 seconds. Total elapsed time: 2.88 seconds; peak allocated memory: 465.199 MB.\nINFO: [vitis-run 60-1662] Stopping dispatch session having empty uuid.\n\n'}
[log] kb_search {'query': ['[HLS 200-1510]', '[HLS 200-2182]', '[HLS 200-10]', '[HLS 200-1505]', '[HLS 200-1611]', '[XFORM 203-1172]', '[XFORM 203-1176]', '[XFORM 203-1173]', '[HLS 200-111]', '[HLS 200-2191]', '[HLS 207-6969]', '[HLS 200-2161]', '[HLS 200-112]'], 'hits': 1, 'hit_ids': ['synth-pragma-file-scope']}
[log] heartbeat {'stage': 'llm', 'age_s': 4.0, 'stale': False, 'credit_remaining': 35}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 35}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 35}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 35}
[log] mechanical_review {'passed': True, 'issues': []}
[log] heartbeat {'stage': 'llm', 'age_s': 8.7, 'stale': False, 'credit_remaining': 35}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 35}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 35}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 35}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 35}
[log] review {'verdict': 'pass', 'retry': 0, 'issues': 'PASS'}
[log] heartbeat {'stage': 'csim', 'age_s': 6.3, 'stale': False, 'credit_remaining': 35}
[log] tool_result {'kind': 'csim', 'phase': 'pass', 'ok': True, 'rc': 0, 'elapsed_s': 7.0, 'credit_spent': 6, 'log': ''}
[log] heartbeat {'stage': 'synth', 'age_s': 9.4, 'stale': False, 'credit_remaining': 34}
[log] tool_result {'kind': 'synth', 'phase': 'synth_error', 'ok': False, 'elapsed_s': 14.8, 'credit_spent': 10, 'log': '\n****** vitis-run v2025.2 (64-bit)\n  **** SW Build 6295257 on 2025-11-13-01:29:13\n  **** Start of session at: Sat Jul 25 22:42:51 2026\n    ** Copyright 1986-2022 Xilinx, Inc. All Rights Reserved.\n    ** Copyright 2022-2025 Advanced Micro Devices, Inc. All Rights Reserved.\n\n  **** HLS Build v2025.2 6295257\nSourcing Tcl script \'/home/admin/fpga-agent/runs/qwen3.6-27b/fir_optimize/agent/synth_4/run_hls.tcl\'\nINFO: [HLS 200-1510] Running: open_project synth_proj \nWARNING: [HLS 200-2182] The \'synth_proj\' project will not automatically appear within Vitis IDE workspaces and is meant only for TCL batch use.  Please use open_component instead of open_project/open_solution to generate Vitis IDE compatible component files and directory structure.\nResolution: For help on HLS 200-2182 see docs.amd.com/access/sources/dita/topic?Doc_Version=2025.2%20English&url=ug1448-hls-guidance&resourceid=200-2182.html\nINFO: [HLS 200-10] Creating and opening solution \'/home/admin/fpga-agent/runs/qwen3.6-27b/fir_optimize/agent/synth_4/synth_proj\'.\nINFO: [HLS 200-1510] Running: add_files fir.cpp \nINFO: [HLS 200-10] Adding design file \'fir.cpp\' to the project\nINFO: [HLS 200-1510] Running: open_solution sol -flow_target vivado \nINFO: [HLS 200-10] Creating and opening solution \'/home/admin/fpga-agent/runs/qwen3.6-27b/fir_optimize/agent/synth_4/synth_proj/sol\'.\nINFO: [HLS 200-1505] Using flow_target \'vivado\'\nResolution: For help on HLS 200-1505 see docs.amd.com/access/sources/dita/topic?Doc_Version=2025.2%20English&url=ug1448-hls-guidance&resourceid=200-1505.html\nINFO: [HLS 200-1510] Running: set_top fir \nINFO: [HLS 200-1510] Running: set_part xcu55c-fsvh2892-2L-e \nINFO: [HLS 200-1611] Setting target device to \'xcu55c-fsvh2892-2L-e\'\nINFO: [HLS 200-1510] Running: create_clock -period 5.0 -name clk_default \nINFO: [SYN 201-201] Setting up clock \'clk_default\' with a period of 5ns.\nINFO: [HLS 200-1510] Running: config_compile -unsafe_math_optimizations \nINFO: [XFORM 203-1172] Optimizing floating point zeros and discarding its signedness.\nINFO: [XFORM 203-1176] Optimizing floating point comparison without checking NaN.\nINFO: [XFORM 203-1173] Reordering floating point operations aggressively.\nINFO: [HLS 200-1510] Running: csynth_design \nINFO: [HLS 200-111] Finished File checks and directory preparation: CPU user time: 0.09 seconds. CPU system time: 0.06 seconds. Elapsed time: 0.16 seconds; current allocated memory: 463.797 MB.\nINFO: [HLS 200-2191] C-Synthesis will use clang-16 as the compiler\nINFO: [HLS 200-10] Analyzing design file \'fir.cpp\' ... \nINFO: [HLS 200-111] Finished Source Code Analysis and Preprocessing: CPU user time: 0.31 seconds. CPU system time: 0.3 seconds. Elapsed time: 0.61 seconds; current allocated memory: 465.715 MB.\nINFO: [HLS 200-777] Using interface defaults for \'Vivado\' flow target.\nINFO: [HLS 200-1995] There were 38 instructions in the design after the \'Compile/Link\' phase of compilation. See the Design Size Report for more details (/home/admin/fpga-agent/runs/qwen3.6-27b/fir_optimize/agent/synth_4/synth_proj/sol/syn/report/csynth_design_size.rpt:2)\nERROR: [HLS 214-274] In loop \'outer\' (fir.cpp:7:5), pragma conflict between UNROLL (fir.cpp:10:1) and PIPELINE (fir.cpp:8:1) as complete unroll would remove the loop and not honor PIPELINE (fir.cpp:7:5)\nERROR: [HLS 200-1715] Encountered problem during source synthesis\nINFO: [HLS 200-2161] Finished Command csynth_design Elapsed time: 00:00:08; Allocated memory: 10.762 MB.\nPre-synthesis failed.\n    while executing\n"source /home/admin/fpga-agent/runs/qwen3.6-27b/fir_optimize/agent/synth_4/run_hls.tcl"\n    ("uplevel" body line 1)\n    invoked from within\n"uplevel \\#0 [list source $tclfile] "\n\nINFO: [HLS 200-112] Total CPU user time: 5.2 seconds. Total CPU system time: 1.12 seconds. Total elapsed time: 10.98 seconds; peak allocated memory: 474.559 MB.\nINFO: [vitis-run 60-1662] Stopping dispatch session having empty uuid.\n\n'}
[log] kb_search {'query': ['[HLS 200-1510]', '[HLS 200-2182]', '[HLS 200-10]', '[HLS 200-1505]', '[HLS 200-1611]', '[XFORM 203-1172]', '[XFORM 203-1176]', '[XFORM 203-1173]', '[HLS 200-111]', '[HLS 200-2191]', '[HLS 200-777]', '[HLS 200-1995]', '[HLS 214-274]', '[HLS 200-1715]', '[HLS 200-2161]', '[HLS 200-112]'], 'hits': 0, 'hit_ids': []}
[log] heartbeat {'stage': 'llm', 'age_s': 4.6, 'stale': False, 'credit_remaining': 30}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 30}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 30}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 30}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 30}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 30}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 30}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 30}
[log] mechanical_review {'passed': True, 'issues': []}
[log] heartbeat {'stage': 'llm', 'age_s': 5.3, 'stale': False, 'credit_remaining': 30}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 30}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 30}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 30}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 30}
[log] review {'verdict': 'pass', 'retry': 0, 'issues': 'PASS'}
[log] tool_result {'kind': 'csim', 'phase': 'pass', 'ok': True, 'rc': 0, 'elapsed_s': 7.0, 'credit_spent': 11, 'log': ''}
[log] heartbeat {'stage': 'synth', 'age_s': 0.4, 'stale': False, 'credit_remaining': 29}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 29}
[log] tool_result {'kind': 'synth', 'phase': 'pass', 'ok': True, 'elapsed_s': 16.2, 'credit_spent': 15, 'log': ''}
[log] checkpoint {'old': 1, 'new': 2, 'latency': 16422, 'reason': 'synth_ok'}
[log] phase_exit {'phase': 'synth', 'result': 'ok', 'latency': 16422}
[log] phase_enter {'phase': 'optimize', 'best_level': 2, 'best_latency': 16422}
[log] heartbeat {'stage': 'llm', 'age_s': 4.2, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] llm_call {'purpose': 'extract_brief', 'chars': 956, 'prompt_tokens': 1006, 'completion_tokens': 2389, 'reasoning_tokens': 2156, 'model': 'qwen3.6-27b'}
[log] design_brief {'chars': 956}
[log] heartbeat {'stage': 'llm', 'age_s': 9.9, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] llm_call {'purpose': 'propose_strategies', 'round': 1, 'count': 3, 'raw_head': '', 'prompt_tokens': 1333, 'completion_tokens': 5142, 'reasoning_tokens': 4604, 'model': 'qwen3.6-27b'}
[log] heartbeat {'stage': 'llm', 'age_s': 8.3, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] llm_call {'purpose': 'select_strategies', 'round': 1, 'prompt_tokens': 1279, 'completion_tokens': 3315, 'reasoning_tokens': 3194, 'model': 'qwen3.6-27b'}
[log] strategy_select {'round': 1, 'indices': [0], 'picked': ['Full Inner Loop Unroll'], 'all': ['Full Inner Loop Unroll', 'Explicit DSP Binding for MACs', 'Boundary Condition Restructuring'], 'reason': 'Full inner loop unroll is the primary latency fix, enabling II=1 pipeline throughput with safe DSP/LUT usage on U55C, while avoiding redundant bindings or complex boundary splits.', 'rejected': [{'id': 2, 'name': 'Explicit DSP Binding for MACs', 'why': 'Modern HLS tools automatically map float mul/add to DSPs; explicit binding is redundant and may trigger synthesis warnings or fallback if constraints conflict.'}], 'fallback': False}
[log] heartbeat {'stage': 'llm', 'age_s': 7.1, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] llm_call {'purpose': 'apply_strategies', 'strategies': 'Full Inner Loop Unroll', 'retry': 0, 'prompt_tokens': 1337, 'completion_tokens': 7497, 'reasoning_tokens': 7294, 'model': 'qwen3.6-27b'}
[log] mechanical_review {'passed': True, 'issues': []}
[log] heartbeat {'stage': 'llm', 'age_s': 1.3, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 25}
[log] review {'verdict': 'pass', 'retry': 0, 'issues': 'PASS'}
[log] heartbeat {'stage': 'csim', 'age_s': 1.6, 'stale': False, 'credit_remaining': 25}
[log] tool_result {'kind': 'csim', 'phase': 'pass', 'ok': True, 'rc': 0, 'elapsed_s': 7.0, 'credit_spent': 16, 'log': ''}
[log] heartbeat {'stage': 'synth', 'age_s': 4.6, 'stale': False, 'credit_remaining': 24}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 24}
[log] tool_result {'kind': 'synth', 'phase': 'synth_error', 'ok': False, 'elapsed_s': 15.0, 'credit_spent': 20, 'log': '\n****** vitis-run v2025.2 (64-bit)\n  **** SW Build 6295257 on 2025-11-13-01:29:13\n  **** Start of session at: Sat Jul 25 22:52:16 2026\n    ** Copyright 1986-2022 Xilinx, Inc. All Rights Reserved.\n    ** Copyright 2022-2025 Advanced Micro Devices, Inc. All Rights Reserved.\n\n  **** HLS Build v2025.2 6295257\nSourcing Tcl script \'/home/admin/fpga-agent/runs/qwen3.6-27b/fir_optimize/agent/synth_8/run_hls.tcl\'\nINFO: [HLS 200-1510] Running: open_project synth_proj \nWARNING: [HLS 200-2182] The \'synth_proj\' project will not automatically appear within Vitis IDE workspaces and is meant only for TCL batch use.  Please use open_component instead of open_project/open_solution to generate Vitis IDE compatible component files and directory structure.\nResolution: For help on HLS 200-2182 see docs.amd.com/access/sources/dita/topic?Doc_Version=2025.2%20English&url=ug1448-hls-guidance&resourceid=200-2182.html\nINFO: [HLS 200-10] Creating and opening solution \'/home/admin/fpga-agent/runs/qwen3.6-27b/fir_optimize/agent/synth_8/synth_proj\'.\nINFO: [HLS 200-1510] Running: add_files fir.cpp \nINFO: [HLS 200-10] Adding design file \'fir.cpp\' to the project\nINFO: [HLS 200-1510] Running: open_solution sol -flow_target vivado \nINFO: [HLS 200-10] Creating and opening solution \'/home/admin/fpga-agent/runs/qwen3.6-27b/fir_optimize/agent/synth_8/synth_proj/sol\'.\nINFO: [HLS 200-1505] Using flow_target \'vivado\'\nResolution: For help on HLS 200-1505 see docs.amd.com/access/sources/dita/topic?Doc_Version=2025.2%20English&url=ug1448-hls-guidance&resourceid=200-1505.html\nINFO: [HLS 200-1510] Running: set_top fir \nINFO: [HLS 200-1510] Running: set_part xcu55c-fsvh2892-2L-e \nINFO: [HLS 200-1611] Setting target device to \'xcu55c-fsvh2892-2L-e\'\nINFO: [HLS 200-1510] Running: create_clock -period 5.0 -name clk_default \nINFO: [SYN 201-201] Setting up clock \'clk_default\' with a period of 5ns.\nINFO: [HLS 200-1510] Running: config_compile -unsafe_math_optimizations \nINFO: [XFORM 203-1172] Optimizing floating point zeros and discarding its signedness.\nINFO: [XFORM 203-1176] Optimizing floating point comparison without checking NaN.\nINFO: [XFORM 203-1173] Reordering floating point operations aggressively.\nINFO: [HLS 200-1510] Running: csynth_design \nINFO: [HLS 200-111] Finished File checks and directory preparation: CPU user time: 0.07 seconds. CPU system time: 0.1 seconds. Elapsed time: 0.17 seconds; current allocated memory: 463.801 MB.\nINFO: [HLS 200-2191] C-Synthesis will use clang-16 as the compiler\nINFO: [HLS 200-10] Analyzing design file \'fir.cpp\' ... \nINFO: [HLS 200-111] Finished Source Code Analysis and Preprocessing: CPU user time: 0.31 seconds. CPU system time: 0.32 seconds. Elapsed time: 0.65 seconds; current allocated memory: 465.715 MB.\nINFO: [HLS 200-777] Using interface defaults for \'Vivado\' flow target.\nINFO: [HLS 200-1995] There were 38 instructions in the design after the \'Compile/Link\' phase of compilation. See the Design Size Report for more details (/home/admin/fpga-agent/runs/qwen3.6-27b/fir_optimize/agent/synth_8/synth_proj/sol/syn/report/csynth_design_size.rpt:2)\nERROR: [HLS 214-274] In loop \'outer\' (fir.cpp:7:5), pragma conflict between UNROLL (fir.cpp:14:1) and PIPELINE (fir.cpp:8:1) as complete unroll would remove the loop and not honor PIPELINE (fir.cpp:7:5)\nERROR: [HLS 200-1715] Encountered problem during source synthesis\nINFO: [HLS 200-2161] Finished Command csynth_design Elapsed time: 00:00:08; Allocated memory: 10.762 MB.\nPre-synthesis failed.\n    while executing\n"source /home/admin/fpga-agent/runs/qwen3.6-27b/fir_optimize/agent/synth_8/run_hls.tcl"\n    ("uplevel" body line 1)\n    invoked from within\n"uplevel \\#0 [list source $tclfile] "\n\nINFO: [HLS 200-112] Total CPU user time: 5.35 seconds. Total CPU system time: 1.14 seconds. Total elapsed time: 11.14 seconds; peak allocated memory: 474.562 MB.\nINFO: [vitis-run 60-1662] Stopping dispatch session having empty uuid.\n\n'}
[log] optimize_repair {'round': 1, 'repair': 0, 'reason': 'synth_failed', 'phase': 'synth_error'}
[log] kb_search {'query': ['[HLS 200-1510]', '[HLS 200-2182]', '[HLS 200-10]', '[HLS 200-1505]', '[HLS 200-1611]', '[XFORM 203-1172]', '[XFORM 203-1176]', '[XFORM 203-1173]', '[HLS 200-111]', '[HLS 200-2191]', '[HLS 200-777]', '[HLS 200-1995]', '[HLS 214-274]', '[HLS 200-1715]', '[HLS 200-2161]', '[HLS 200-112]'], 'hits': 0, 'hit_ids': []}
[log] heartbeat {'stage': 'llm', 'age_s': 9.6, 'stale': False, 'credit_remaining': 20}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 20}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 20}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 20}
[log] llm_call {'purpose': 'apply_strategies', 'strategies': 'Full Inner Loop Unroll', 'retry': 0, 'prompt_tokens': 2712, 'completion_tokens': 3162, 'reasoning_tokens': 3008, 'model': 'qwen3.6-27b'}
[log] mechanical_review {'passed': True, 'issues': []}
[log] heartbeat {'stage': 'llm', 'age_s': 0.0, 'stale': False, 'credit_remaining': 20}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 20}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 20}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 20}
[log] review {'verdict': 'pass', 'retry': 0, 'issues': 'PASS'}
[log] heartbeat {'stage': 'csim', 'age_s': 6.5, 'stale': False, 'credit_remaining': 20}
[log] tool_result {'kind': 'csim', 'phase': 'pass', 'ok': True, 'rc': 0, 'elapsed_s': 7.0, 'credit_spent': 21, 'log': ''}
[log] heartbeat {'stage': 'synth', 'age_s': 9.4, 'stale': False, 'credit_remaining': 19}
[log] tool_result {'kind': 'synth', 'phase': 'pass', 'ok': True, 'elapsed_s': 16.3, 'credit_spent': 25, 'log': ''}
[log] optimize_discard {'round': 1, 'reason': 'no_improvement', 'best_latency': 16422, 'cand_latency': 16422}
[log] optimize_stop {'reason': 'no_improvement', 'best_latency': 16422}
[log] phase_exit {'phase': 'optimize', 'result': 'ok', 'best_level': 2, 'best_latency': 16422}
[log] submit {'final_level': 2, 'final_latency': 16422, 'credit_spent': 25}
=== Task fir_optimize [optimize, difficulty 2] ===
    budget: 40 credits | backend: deepseek

qwen3.6-27b 13 calls | prompt=15115 completion=49234 (reasoning=47517) total=64349

--- metered tool transcript ---
  #1  [csim] pass (rc=0, 7.0s)   [spent 1/40]
  #2  [synth] synth_error (rc=1, 6.7s)   [spent 5/40]
  #3  [csim] pass (rc=0, 7.0s)   [spent 6/40]
  #4  [synth] synth_error (rc=1, 14.8s)   [spent 10/40]
  #5  [csim] pass (rc=0, 7.0s)   [spent 11/40]
  #6  [synth] pass (rc=0, 16.2s) | latency(worst)=16422 cyc  II=16384  clk~3.307ns  LUT=3633 FF=2510 DSP=10 BRAM=0 URAM=0   [spent 15/40]
  #7  [csim] pass (rc=0, 7.0s)   [spent 16/40]
  #8  [synth] synth_error (rc=1, 15.0s)   [spent 20/40]
  #9  [csim] pass (rc=0, 7.0s)   [spent 21/40]
  #10 [synth] pass (rc=0, 16.3s) | latency(worst)=16422 cyc  II=16384  clk~3.307ns  LUT=3633 FF=2510 DSP=10 BRAM=0 URAM=0   [spent 25/40]
  budget 25/40 credits spent (csimx5, synthx5)

=== Grading (hidden testbench + PPA, uncharged) ===
=== Scorecard: fir_optimize (difficulty 2) ===
  functional (hidden TB): PASS
  synthesizable         : PASS
  baseline latency      : 16529 cyc
  candidate latency     : 16422 cyc
  acceleration          : 1.01x  (opt=True)
  candidate resources   : LUT=3633 FF=2510 DSP=10 BRAM=0
  SCORE                 : 1.476

recent scores (fir_optimize):
  2026-07-25 22:54  SCORE 1.476  lat=16422  credits=25  tokens=64349

final kernel -> /home/admin/fpga-agent/runs/qwen3.6-27b/fir_optimize/final_fir.cpp
