[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] mechanical_review {'passed': True, 'issues': []}
[log] heartbeat {'stage': 'llm', 'age_s': 2.2, '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] review {'verdict': 'reject', 'retry': 0, 'issues': 'FAIL\n\n**Issues:**\n1.  **Pragma Placement:** `#pragma HLS LOOP_TRIPCOUNT` is placed inside the loop body. It must be placed immediately before the `for` loop statement to be recognized.\n2.  **Interface'}
[log] heartbeat {'stage': 'llm', 'age_s': 8.4, 'stale': False, 'credit_remaining': 40}
[log] mechanical_review {'passed': True, 'issues': []}
[log] heartbeat {'stage': 'llm', 'age_s': 9.0, '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] review {'verdict': 'reject', 'retry': 1, 'issues': 'FAIL\n\n**Issues:**\n1.  **Pragma Hazard:** `#pragma HLS ARRAY_PARTITION` is applied to `in`, which is mapped to an `m_axi` interface. Array partitioning is not supported for variables mapped to `m_axi` '}
[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': 0.2, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 39}
[log] tool_result {'kind': 'synth', 'phase': 'timeout', 'ok': False, 'elapsed_s': 600.0, '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 23:19:14 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/qwen3.5-122b-a10b/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/qwen3.5-122b-a10b/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/qwen3.5-122b-a10b/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: 0.08 seconds. CPU system time: 0.07 seconds. Elapsed time: 0.17 seconds; current allocated memory: 463.820 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: 0.34 seconds. CPU system time: 0.33 seconds. Elapsed time: 0.66 seconds; current allocated memory: 465.730 MB.\nINFO: [HLS 200-777] Using interface defaults for 'Vivado' flow target.\nINFO: [HLS 200-1995] There were 40 instructions in the design after the 'Compile/Link' phase of compilation. See the Design Size Report for more details (/home/admin/fpga-agent/runs/qwen3.5-122b-a10b/fir_optimize/agent/synth_2/synth_proj/sol/syn/report/csynth_design_size.rpt:2)\nINFO: [HLS 200-1995] There were 333 instructions in the design after the 'Unroll/Inline (step 1)' phase of compilation. See the Design Size Report for more details (/home/admin/fpga-agent/runs/qwen3.5-122b-a10b/fir_optimize/agent/synth_2/synth_proj/sol/syn/report/csynth_design_size.rpt:2)\nINFO: [HLS 200-1995] There were 326 instructions in the design after the 'Unroll/Inline (step 2)' phase of compilation. See the Design Size Report for more details (/home/admin/fpga-agent/runs/qwen3.5-122b-a10b/fir_optimize/agent/synth_2/synth_proj/sol/syn/report/csynth_design_size.rpt:2)\nINFO: [HLS 200-1995] There were 296 instructions in the design after the 'Unroll/Inline (step 3)' phase of compilation. See the Design Size Report for more details (/home/admin/fpga-agent/runs/qwen3.5-122b-a10b/fir_optimize/agent/synth_2/synth_proj/sol/syn/report/csynth_design_size.rpt:2)\nINFO: [HLS 200-1995] There were 296 instructions in the design after the 'Unroll/Inline (step 4)' phase of compilation. See the Design Size Report for more details (/home/admin/fpga-agent/runs/qwen3.5-122b-a10b/fir_optimize/agent/synth_2/synth_proj/sol/syn/report/csynth_design_size.rpt:2)\nINFO: [HLS 200-1995] There were 34,614 instructions in the design after the 'Array/Struct' phase of compilation. See the Design Size Report for more details (/home/admin/fpga-agent/runs/qwen3.5-122b-a10b/fir_optimize/agent/synth_2/synth_proj/sol/syn/report/csynth_design_size.rpt:2)\nINFO: [HLS 200-1995] There were 4,234 instructions in the design after the 'Array/Struct (step 2)' phase of compilation. See the Design Size Report for more details (/home/admin/fpga-agent/runs/qwen3.5-122b-a10b/fir_optimize/agent/synth_2/synth_proj/sol/syn/report/csynth_design_size.rpt:2)\nINFO: [HLS 200-1995] There were 4,234 instructions in the design after the 'Array/Struct (step 3)' phase of compilation. See the Design Size Report for more details (/home/admin/fpga-agent/runs/qwen3.5-122b-a10b/fir_optimize/agent/synth_2/synth_proj/sol/syn/report/csynth_design_size.rpt:2)\nINFO: [HLS 200-1995] There were 4,234 instructions in the design after the 'Array/Struct (step 4)' phase of compilation. See the Design Size Report for more details (/home/admin/fpga-agent/runs/qwen3.5-122b-a10b/fir_optimize/agent/synth_2/synth_proj/sol/syn/report/csynth_design_size.rpt:2)\nINFO: [HLS 200-1995] There were 4,236 instructions in the design after the 'Array/Struct (step 5)' phase of compilation. See the Design Size Report for more details (/home/admin/fpga-agent/runs/qwen3.5-122b-a10b/fir_optimize/agent/synth_2/synth_proj/sol/syn/report/csynth_design_size.rpt:2)\nINFO: [HLS 200-1995] There were 4,111 instructions in the design after the 'Performance (step 1)' phase of compilation. See the Design Size Report for more details (/home/admin/fpga-agent/runs/qwen3.5-122b-a10b/fir_optimize/agent/synth_2/synth_proj/sol/syn/report/csynth_design_\n... [72844 chars elided] ...\nem0_9_addr_read_7', fir.cpp:26) on port 'gmem0_9' (fir.cpp:26), bus read operation ('gmem0_9_addr_read_8', fir.cpp:26) on port 'gmem0_9' (fir.cpp:26), bus read operation ('gmem0_9_addr_read_9', fir.cpp:26) on port 'gmem0_9' (fir.cpp:26), bus read operation ('gmem0_9_addr_read_10', fir.cpp:26) on port 'gmem0_9' (fir.cpp:26), bus read operation ('gmem0_9_addr_read_11', fir.cpp:26) on port 'gmem0_9' (fir.cpp:26), bus read operation ('gmem0_9_addr_read_12', fir.cpp:26) on port 'gmem0_9' (fir.cpp:26), bus read operation ('gmem0_9_addr_read_13', fir.cpp:26) on port 'gmem0_9' (fir.cpp:26), bus read operation ('gmem0_9_addr_read_14', fir.cpp:26) on port 'gmem0_9' (fir.cpp:26), bus read operation ('gmem0_9_addr_read_15', fir.cpp:26) on port 'gmem0_9' (fir.cpp:26), bus read operation ('gmem0_9_addr_read_16', fir.cpp:26) on port 'gmem0_9' (fir.cpp:26), bus read operation ('gmem0_9_addr_read_17', fir.cpp:26) on port 'gmem0_9' (fir.cpp:26), bus read operation ('gmem0_9_addr_read_18', fir.cpp:26) on port 'gmem0_9' (fir.cpp:26), bus read operation ('gmem0_9_addr_read_19', fir.cpp:26) on port 'gmem0_9' (fir.cpp:26), bus read operation ('gmem0_9_addr_read_20', fir.cpp:26) on port 'gmem0_9' (fir.cpp:26), bus read operation ('gmem0_9_addr_read_21', fir.cpp:26) on port 'gmem0_9' (fir.cpp:26), bus read operation ('gmem0_9_addr_read_22', fir.cpp:26) on port 'gmem0_9' (fir.cpp:26), bus read operation ('gmem0_9_addr_read_23', fir.cpp:26) on port 'gmem0_9' (fir.cpp:26), bus read operation ('gmem0_9_addr_read_24', fir.cpp:26) on port 'gmem0_9' (fir.cpp:26), bus read operation ('gmem0_9_addr_read_25', fir.cpp:26) on port 'gmem0_9' (fir.cpp:26), bus read operation ('gmem0_9_addr_read_26', fir.cpp:26) on port 'gmem0_9' (fir.cpp:26), bus read operation ('gmem0_9_addr_read_27', fir.cpp:26) on port 'gmem0_9' (fir.cpp:26), bus read operation ('gmem0_9_addr_read_28', fir.cpp:26) on port 'gmem0_9' (fir.cpp:26), bus read operation ('gmem0_9_addr_read_29', fir.cpp:26) on port 'gmem0_9' (fir.cpp:26), bus read operation ('gmem0_9_addr_read_30', fir.cpp:26) on port 'gmem0_9' (fir.cpp:26) accessing 'gmem0_9' m_axi read\nWARNING: [HLS 200-448] Lower bound of II is 31 due to multiple bus read operation ('gmem0_10_addr_read', fir.cpp:26) on port 'gmem0_10' (fir.cpp:26), bus read operation ('gmem0_10_addr_read_1', fir.cpp:26) on port 'gmem0_10' (fir.cpp:26), bus read operation ('gmem0_10_addr_read_2', fir.cpp:26) on port 'gmem0_10' (fir.cpp:26), bus read operation ('gmem0_10_addr_read_3', fir.cpp:26) on port 'gmem0_10' (fir.cpp:26), bus read operation ('gmem0_10_addr_read_4', fir.cpp:26) on port 'gmem0_10' (fir.cpp:26), bus read operation ('gmem0_10_addr_read_5', fir.cpp:26) on port 'gmem0_10' (fir.cpp:26), bus read operation ('gmem0_10_addr_read_6', fir.cpp:26) on port 'gmem0_10' (fir.cpp:26), bus read operation ('gmem0_10_addr_read_7', fir.cpp:26) on port 'gmem0_10' (fir.cpp:26), bus read operation ('gmem0_10_addr_read_8', fir.cpp:26) on port 'gmem0_10' (fir.cpp:26), bus read operation ('gmem0_10_addr_read_9', fir.cpp:26) on port 'gmem0_10' (fir.cpp:26), bus read operation ('gmem0_10_addr_read_10', fir.cpp:26) on port 'gmem0_10' (fir.cpp:26), bus read operation ('gmem0_10_addr_read_11', fir.cpp:26) on port 'gmem0_10' (fir.cpp:26), bus read operation ('gmem0_10_addr_read_12', fir.cpp:26) on port 'gmem0_10' (fir.cpp:26), bus read operation ('gmem0_10_addr_read_13', fir.cpp:26) on port 'gmem0_10' (fir.cpp:26), bus read operation ('gmem0_10_addr_read_14', fir.cpp:26) on port 'gmem0_10' (fir.cpp:26), bus read operation ('gmem0_10_addr_read_15', fir.cpp:26) on port 'gmem0_10' (fir.cpp:26), bus read operation ('gmem0_10_addr_read_16', fir.cpp:26) on port 'gmem0_10' (fir.cpp:26), bus read operation ('gmem0_10_addr_read_17', fir.cpp:26) on port 'gmem0_10' (fir.cpp:26), bus read operation ('gmem0_10_addr_read_18', fir.cpp:26) on port 'gmem0_10' (fir.cpp:26), bus read operation ('gmem0_10_addr_read_19', fir.cpp:26) on port 'gmem0_10' (fir.cpp:26), bus read operation ('gmem0_10_addr_read_20', fir.cpp:26) on port 'gmem0_10' (fir.cpp:26), bus read operation ('gmem0_10_addr_read_21', fir.cpp:26) on port 'gmem0_10' (fir.cpp:26), bus read operation ('gmem0_10_addr_read_22', fir.cpp:26) on port 'gmem0_10' (fir.cpp:26), bus read operation ('gmem0_10_addr_read_23', fir.cpp:26) on port 'gmem0_10' (fir.cpp:26), bus read operation ('gmem0_10_addr_read_24', fir.cpp:26) on port 'gmem0_10' (fir.cpp:26), bus read operation ('gmem0_10_addr_read_25', fir.cpp:26) on port 'gmem0_10' (fir.cpp:26), bus read operation ('gmem0_10_addr_read_26', fir.cpp:26) on port 'gmem0_10' (fir.cpp:26), bus read operation ('gmem0_10_addr_read_27', fir.cpp:26) on port 'gmem0_10' (fir.cpp:26), bus read operation ('gmem0_10_addr_read_28', fir.cpp:26) on port 'gmem0_10' (fir.cpp:26), bus read operation ('gmem0_10_addr_read_29', fir.cpp:26) on port 'gmem0_10' (fir.cpp:26), bus read operation ('gmem0_10_addr_read_30', fir.cpp:26) on port 'gmem0_10' (fir.cpp:26) accessing 'gmem0_10' m_axi read\nINFO: [HLS 200-1470] Pipelining result : Target II = 1, Final II = 31, Depth = 171, loop 'VITIS_LOOP_15_1'\nINFO: [SCHED 204-11] Finished scheduling.\nINFO: [HLS 200-111] Finished Scheduling: CPU user time: 62.04 seconds. CPU system time: 0.15 seconds. Elapsed time: 62.19 seconds; current allocated memory: 955.328 MB.\nINFO: [BIND 205-100] Starting micro-architecture generation ...\nINFO: [BIND 205-101] Performing variable lifetime analysis.\nINFO: [BIND 205-101] Exploring resource sharing.\nINFO: [BIND 205-101] Binding ...\nINFO: [BIND 205-100] Finished micro-architecture generation.\nINFO: [HLS 200-111] Finished Binding: CPU user time: 3.16 seconds. CPU system time: 0.02 seconds. Elapsed time: 3.19 seconds; current allocated memory: 955.328 MB.\nINFO: [HLS 200-10] ----------------------------------------------------------------\nINFO: [HLS 200-42] -- Implementing module 'fir' \nINFO: [HLS 200-10] ----------------------------------------------------------------\nINFO: [SCHED 204-11] Starting scheduling ...\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 200-448]', '[HLS 200-1470]', '[HLS 200-42]'], 'hits': 0, 'hit_ids': []}
[log] heartbeat {'stage': 'llm', 'age_s': 0.2, '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': 2.6, '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] 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': 6.1, 'stale': False, 'credit_remaining': 35}
[log] tool_result {'kind': 'csim', 'phase': 'pass', 'ok': True, 'rc': 0, 'elapsed_s': 7.3, 'credit_spent': 6, 'log': ''}
[log] heartbeat {'stage': 'synth', 'age_s': 8.8, 'stale': False, 'credit_remaining': 34}
[log] tool_result {'kind': 'synth', 'phase': 'pass', 'ok': True, 'elapsed_s': 18.4, 'credit_spent': 10, 'log': ''}
[log] checkpoint {'old': 1, 'new': 2, 'latency': 1199, 'reason': 'synth_ok'}
[log] phase_exit {'phase': 'synth', 'result': 'ok', 'latency': 1199}
[log] phase_enter {'phase': 'optimize', 'best_level': 2, 'best_latency': 1199}
[log] heartbeat {'stage': 'llm', 'age_s': 0.4, 'stale': False, 'credit_remaining': 30}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 30}
[log] llm_call {'purpose': 'extract_brief', 'chars': 930, 'prompt_tokens': 1261, 'completion_tokens': 1921, 'reasoning_tokens': 1724, 'model': 'qwen3.5-122b-a10b'}
[log] design_brief {'chars': 930}
[log] heartbeat {'stage': 'llm', 'age_s': 4.3, 'stale': False, 'credit_remaining': 30}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 30}
[log] llm_call {'purpose': 'propose_strategies', 'round': 1, 'count': 4, 'raw_head': '', 'prompt_tokens': 1552, 'completion_tokens': 1768, 'reasoning_tokens': 1244, 'model': 'qwen3.5-122b-a10b'}
[log] llm_call {'purpose': 'select_strategies', 'round': 1, 'prompt_tokens': 1232, 'completion_tokens': 876, 'reasoning_tokens': 709, 'model': 'qwen3.5-122b-a10b'}
[log] strategy_select {'round': 1, 'indices': [0], 'picked': ['Remove conditional branches from inner loop'], 'all': ['Remove conditional branches from inner loop', 'Shift register architecture', 'Memory interface optimization', 'Loop restructuring with dataflow'], 'reason': 'Only strategy without pragma conflicts; removes branch overhead enabling II=1 pipelining', 'rejected': [{'id': 2, 'name': 'Shift register architecture', 'why': 'Shift register conflicts with existing ARRAY_PARTITION on window array and risks timing closure at 200MHz'}, {'id': 3, 'name': 'Memory interface optimization', 'why': 'DATAFLOW pragma conflicts with existing PIPELINE on outer loop - cannot coexist at same level'}, {'id': 4, 'name': 'Loop restructuring with dataflow', 'why': 'DATAFLOW pragma directly conflicts with existing PIPELINE on outer loop per HLS rules'}], 'fallback': False}
[log] heartbeat {'stage': 'llm', 'age_s': 2.4, '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] llm_call {'purpose': 'apply_strategies', 'strategies': 'Remove conditional branches from inner loop', 'retry': 0, 'prompt_tokens': 1529, 'completion_tokens': 6061, 'reasoning_tokens': 5599, 'model': 'qwen3.5-122b-a10b'}
[log] mechanical_review {'passed': True, 'issues': []}
[log] heartbeat {'stage': 'llm', 'age_s': 3.7, '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] review {'verdict': 'pass', 'retry': 0, 'issues': 'PASS'}
[log] heartbeat {'stage': 'csim', 'age_s': 6.2, 'stale': False, 'credit_remaining': 30}
[log] tool_result {'kind': 'csim', 'phase': 'pass', 'ok': True, 'rc': 0, 'elapsed_s': 7.1, 'credit_spent': 11, 'log': ''}
[log] heartbeat {'stage': 'synth', 'age_s': 9.1, 'stale': False, 'credit_remaining': 29}
[log] tool_result {'kind': 'synth', 'phase': 'pass', 'ok': True, 'elapsed_s': 17.4, 'credit_spent': 15, 'log': ''}
[log] checkpoint {'old': 2, 'new': 2, 'old_latency': 1199, 'new_latency': 1070, 'reason': 'optimize_improve'}
[log] heartbeat {'stage': 'llm', 'age_s': 1.7, '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': 2, 'count': 4, 'raw_head': '', 'prompt_tokens': 1614, 'completion_tokens': 1297, 'reasoning_tokens': 700, 'model': 'qwen3.5-122b-a10b'}
[log] heartbeat {'stage': 'llm', 'age_s': 7.6, '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': 'select_strategies', 'round': 2, 'prompt_tokens': 1294, 'completion_tokens': 7246, 'reasoning_tokens': 7075, 'model': 'qwen3.5-122b-a10b'}
[log] strategy_select {'round': 2, 'indices': [0, 1], 'picked': ['Partial Inner Loop Unroll', 'Shift Register Window'], 'all': ['Partial Inner Loop Unroll', 'Shift Register Window', 'Pipeline Accumulation Instead of Unroll', 'HBM Memory Interface'], 'reason': 'Partial unroll reduces resource contention enabling pipelining, while shift register eliminates dependency chains; both are compatible and address the compute bottleneck.', 'rejected': [{'id': 3, 'name': 'Pipeline Accumulation Instead of Unroll', 'why': 'Pipelining the inner accumulation loop serializes the 32-tap computation, increasing outer loop II to >=32 and total latency significantly above current levels.'}, {'id': 4, 'name': 'HBM Memory Interface', 'why': 'Violates interface unchanged constraint by changing DDR to HBM; FIR is compute-bound so bandwidth increase yields negligible latency improvement.'}], 'fallback': False}
[log] heartbeat {'stage': 'llm', 'age_s': 4.4, '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': 'Partial Inner Loop Unroll+Shift Register Window', 'retry': 0, 'prompt_tokens': 1713, 'completion_tokens': 10182, 'reasoning_tokens': 9653, 'model': 'qwen3.5-122b-a10b'}
[log] mechanical_review {'passed': True, 'issues': []}
[log] heartbeat {'stage': 'llm', 'age_s': 6.8, '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] review {'verdict': 'reject', 'retry': 0, 'issues': 'FAIL\n\n**Concrete Issues:**\n1.  **Conflicting Array Pragmas:** `#pragma HLS ARRAY_PARTITION` and `#pragma HLS ARRAY_RESHAPE` are applied to the same variable (`window`). These directives are mutually e'}
[log] heartbeat {'stage': 'llm', 'age_s': 3.8, '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': 'Partial Inner Loop Unroll+Shift Register Window', 'retry': 1, 'prompt_tokens': 1713, 'completion_tokens': 8226, 'reasoning_tokens': 7799, 'model': 'qwen3.5-122b-a10b'}
[log] mechanical_review {'passed': True, 'issues': []}
[log] heartbeat {'stage': 'llm', 'age_s': 9.7, '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': 'reject', 'retry': 1, 'issues': 'FAIL\n\n**Concrete Issues:**\n1.  **State Loss Bug:** The shift register array `window` is declared and initialized (`{0}`) **inside** the pipelined loop `for (int i...)`. In HLS/C++, this re-initializes'}
[log] heartbeat {'stage': 'csim', 'age_s': 4.9, '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': 7.9, 'stale': False, 'credit_remaining': 24}
[log] tool_result {'kind': 'synth', 'phase': 'pass', 'ok': True, 'elapsed_s': 16.7, 'credit_spent': 20, 'log': ''}
[log] checkpoint {'old': 2, 'new': 2, 'old_latency': 1070, 'new_latency': 1069, 'reason': 'optimize_improve'}
[log] heartbeat {'stage': 'llm', 'age_s': 1.2, 'stale': False, 'credit_remaining': 20}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 20}
[log] llm_call {'purpose': 'propose_strategies', 'round': 3, 'count': 4, 'raw_head': '', 'prompt_tokens': 1579, 'completion_tokens': 2256, 'reasoning_tokens': 1698, 'model': 'qwen3.5-122b-a10b'}
[log] heartbeat {'stage': 'llm', 'age_s': 3.0, '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] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 20}
[log] llm_call {'purpose': 'select_strategies', 'round': 3, 'prompt_tokens': 1261, 'completion_tokens': 6151, 'reasoning_tokens': 5991, 'model': 'qwen3.5-122b-a10b'}
[log] strategy_select {'round': 3, 'indices': [0, 1, 3], 'picked': ['Circular Buffer Indexing', 'Full Inner Loop Unroll', 'Coefficient ROM Partitioning'], 'all': ['Circular Buffer Indexing', 'Full Inner Loop Unroll', 'Pipeline Inner Loop with II=1', 'Coefficient ROM Partitioning'], 'reason': 'Strategies 1, 2, and 4 are compatible and collectively address the shift bottleneck, compute parallelism, and memory access conflicts required for II=1 throughput.', 'rejected': [], 'fallback': False}
[log] heartbeat {'stage': 'llm', 'age_s': 1.3, '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] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 20}
[log] llm_call {'purpose': 'apply_strategies', 'strategies': 'Circular Buffer Indexing+Full Inner Loop Unroll+Coefficient ROM Partitioning', 'retry': 0, 'prompt_tokens': 1751, 'completion_tokens': 6522, 'reasoning_tokens': 6003, 'model': 'qwen3.5-122b-a10b'}
[log] mechanical_review {'passed': True, 'issues': []}
[log] heartbeat {'stage': 'llm', 'age_s': 0.1, '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] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 20}
[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': 21, 'log': ''}
[log] heartbeat {'stage': 'synth', 'age_s': 2.4, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] tool_result {'kind': 'synth', 'phase': 'pass', 'ok': True, 'elapsed_s': 17.3, 'credit_spent': 25, 'log': ''}
[log] optimize_discard {'round': 3, 'reason': 'no_improvement', 'best_latency': 1069, 'cand_latency': 1070}
[log] optimize_fallback {'round': 3, 'picked': ['Circular Buffer Indexing'], 'reason': 'combo failed; retrying first strategy only (with failure feedback)'}
[log] heartbeat {'stage': 'llm', 'age_s': 5.1, 'stale': False, 'credit_remaining': 15}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 15}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 15}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 15}
[log] llm_call {'purpose': 'apply_strategies', 'strategies': 'Circular Buffer Indexing', 'retry': 0, 'prompt_tokens': 1550, 'completion_tokens': 5041, 'reasoning_tokens': 4609, 'model': 'qwen3.5-122b-a10b'}
[log] mechanical_review {'passed': True, 'issues': []}
[log] heartbeat {'stage': 'llm', 'age_s': 6.4, 'stale': False, 'credit_remaining': 15}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 15}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 15}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 15}
[log] review {'verdict': 'reject', 'retry': 0, 'issues': 'FAIL\n\n**Concrete Issues:**\n1.  **Scheduling Violation (Latency vs. II):** `#pragma HLS PIPELINE II=1` on the outer loop combined with `#pragma HLS UNROLL` on the inner loop (TAPS=32 implied) requires '}
[log] heartbeat {'stage': 'llm', 'age_s': 8.9, 'stale': False, 'credit_remaining': 15}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 15}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 15}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 15}
[log] llm_call {'purpose': 'apply_strategies', 'strategies': 'Circular Buffer Indexing', 'retry': 1, 'prompt_tokens': 1550, 'completion_tokens': 6484, 'reasoning_tokens': 6014, 'model': 'qwen3.5-122b-a10b'}
[log] mechanical_review {'passed': True, 'issues': []}
[log] heartbeat {'stage': 'llm', 'age_s': 5.1, 'stale': False, 'credit_remaining': 15}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 15}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 15}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 15}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 15}
[log] review {'verdict': 'reject', 'retry': 1, 'issues': 'FAIL\n\n**Concrete Issues:**\n1.  **HLS Pragma Conflict (Pipeline vs. Unroll):** `#pragma HLS PIPELINE II=1` on the outer loop is incompatible with `#pragma HLS UNROLL factor=4` on the inner loop (size `'}
[log] heartbeat {'stage': 'csim', 'age_s': 4.5, 'stale': False, 'credit_remaining': 15}
[log] tool_result {'kind': 'csim', 'phase': 'pass', 'ok': True, 'rc': 0, 'elapsed_s': 7.4, 'credit_spent': 26, 'log': ''}
[log] heartbeat {'stage': 'synth', 'age_s': 7.1, 'stale': False, 'credit_remaining': 14}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 14}
[log] tool_result {'kind': 'synth', 'phase': 'pass', 'ok': True, 'elapsed_s': 17.4, 'credit_spent': 30, 'log': ''}
[log] optimize_discard {'round': 3, 'reason': 'no_improvement', 'best_latency': 1069, 'cand_latency': 1070}
[log] optimize_stop {'reason': 'no_improvement', 'best_latency': 1069}
[log] phase_exit {'phase': 'optimize', 'result': 'ok', 'best_level': 2, 'best_latency': 1069}
[log] cosim_recheck {'result': 'skipped_no_budget'}
[log] submit {'final_level': 2, 'final_latency': 1069, 'credit_spent': 30}
=== Task fir_optimize [optimize, difficulty 2] ===
    budget: 40 credits | backend: deepseek

qwen3.5-122b-a10b 25 calls | prompt=29743 completion=122414 (reasoning=114995) total=152157

--- metered tool transcript ---
  #1  [csim] pass (rc=0, 7.0s)   [spent 1/40]
  #2  [synth] timeout (rc=-1, 600.0s)   [spent 5/40]
  #3  [csim] pass (rc=0, 7.3s)   [spent 6/40]
  #4  [synth] pass (rc=0, 18.4s) | latency(worst)=1199 cyc  II=1032  clk~3.65ns  LUT=21163 FF=23001 DSP=158 BRAM=1 URAM=0   [spent 10/40]
  #5  [csim] pass (rc=0, 7.1s)   [spent 11/40]
  #6  [synth] pass (rc=0, 17.4s) | latency(worst)=1070 cyc  II=1034  clk~3.65ns  LUT=16093 FF=15841 DSP=158 BRAM=1 URAM=0   [spent 15/40]
  #7  [csim] pass (rc=0, 7.0s)   [spent 16/40]
  #8  [synth] pass (rc=0, 16.7s) | latency(worst)=1069 cyc  II=1033  clk~3.65ns  LUT=11440 FF=15732 DSP=158 BRAM=1 URAM=0   [spent 20/40]
  #9  [csim] pass (rc=0, 7.0s)   [spent 21/40]
  #10 [synth] pass (rc=0, 17.3s) | latency(worst)=1070 cyc  II=1034  clk~3.65ns  LUT=16093 FF=15841 DSP=158 BRAM=1 URAM=0   [spent 25/40]
  #11 [csim] pass (rc=0, 7.4s)   [spent 26/40]
  #12 [synth] pass (rc=0, 17.4s) | latency(worst)=1070 cyc  II=1034  clk~3.65ns  LUT=16093 FF=15841 DSP=158 BRAM=1 URAM=0   [spent 30/40]
  budget 30/40 credits spent (csimx6, synthx6)

=== Grading (hidden testbench + PPA, uncharged) ===
=== Scorecard: fir_optimize (difficulty 2) ===
  functional (hidden TB): PASS
  synthesizable         : PASS
  baseline latency      : 16529 cyc
  candidate latency     : 1069 cyc
  acceleration          : 15.46x  (opt=True)
  candidate resources   : LUT=11440 FF=15732 DSP=158 BRAM=1
  SCORE                 : 2.000

recent scores (fir_optimize):
  2026-07-25 23:46  SCORE 2.000  lat=1069  credits=30  tokens=152157

final kernel -> /home/admin/fpga-agent/runs/qwen3.5-122b-a10b/fir_optimize/final_fir.cpp
