Update BMM_Theory: bmm_theory/evaluator.py
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@@ -11,10 +11,19 @@ from .models import BmmCase, ImplPlan, EvalResult
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from .timing import bound_type_of
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from .branches.merge_batch import MergeBatchBranch
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from .branches.iter_batch import IterBatchBranch
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from .branches.to_matmul import ToMatmulBranch
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from .branches.special import SpecialBranch
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from .branches.stream_k import StreamKBranch
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from .branches.asw_basic import AswBasicBranch
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_BRANCH_EVAL = {
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"MergeBatch": MergeBatchBranch,
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"IterBatch": IterBatchBranch,
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"转Matmul": ToMatmulBranch,
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"特殊分支": SpecialBranch,
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"StreamK": StreamKBranch,
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"ASW_Basic": AswBasicBranch,
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"ASW_Basic_降核": AswBasicBranch,
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}
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@@ -48,10 +57,22 @@ class PlanEvaluator:
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def _check_constraints(self, case: BmmCase, plan: ImplPlan) -> list:
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s = self.spec
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v = []
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# 特殊分支走 AIV 通路, 无 Cube tile 概念, 跳过 Cube 侧约束
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if plan.branch == "特殊分支":
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if plan.used_core_num > s.aiv_num:
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v.append(f"used_core_num={plan.used_core_num} 超 AIV 核数 {s.aiv_num}")
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return v
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# 转Matmul 折叠后由 Matmul 体系承接, 此处不校验 Cube tile
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if plan.branch == "转Matmul":
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return v
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if plan.used_core_num > s.aic_num:
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v.append(f"used_core_num={plan.used_core_num} 超 AIC 核数 {s.aic_num}")
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if plan.base_m * plan.base_n * 4 * 2 > s.l0c_bytes:
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v.append(f"L0C tile 超容量: BaseM*BaseN*4B*2={plan.base_m*plan.base_n*8}B > {s.l0c_bytes}B")
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# ASW 降核模式每核单份 L0C (无双缓冲), 其他分支双缓冲
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l0c_factor = 1 if plan.branch == "ASW_Basic_降核" else 2
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if plan.base_m * plan.base_n * 4 * l0c_factor > s.l0c_bytes:
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v.append(f"L0C tile 超容量: BaseM*BaseN*4B*{l0c_factor}={plan.base_m*plan.base_n*4*l0c_factor}B > {s.l0c_bytes}B")
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if plan.base_m * plan.base_k * case.dtype_in_bytes * 2 > s.l0a_bytes:
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v.append("L0A tile 超容量")
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if plan.base_n * plan.base_k * case.dtype_in_bytes * 2 > s.l0b_bytes:
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@@ -59,9 +80,10 @@ class PlanEvaluator:
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l1_need = 2 * plan.k_l1 * (plan.single_core_m + plan.single_core_n) * case.dtype_in_bytes
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if l1_need > s.l1_bytes and plan.branch in ("MergeBatch", "IterBatch"):
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v.append(f"L1 tile 超容量: 2*k_L1*(sM+sN)*dtype={l1_need/1024:.0f}KB > {s.l1_bytes/1024:.0f}KB")
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if plan.k_l1 * case.dtype_in_bytes < s.dvalue_min:
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if plan.k_l1 > 0 and plan.k_l1 * case.dtype_in_bytes < s.dvalue_min:
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v.append(f"dValue={plan.k_l1*case.dtype_in_bytes}B < 下限 {s.dvalue_min}B, 搬移带宽利用率崩塌")
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if plan.out_dtype_bytes != case.dtype_out_bytes:
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# StreamK 中间部分和按 4B (L0C dtype) 防精度丢失, 是正确行为, 不算违规
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if plan.branch != "StreamK" and plan.out_dtype_bytes != case.dtype_out_bytes:
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v.append(f"方案写出 dtype ({plan.out_dtype_bytes}B) 与 case C 矩阵 dtype ({case.dtype_c}) 不一致")
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return v
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