Files
matmul-analysis/BMM/BMM_Theory/examples/plans.csv
admin 0cd47f93cb Fix #34: ASW_Basic 兜底恒出方案; 搬移效率下限不满足降级为 warning (不判违规)
- constraints.py: ASW_Basic/ASW_Basic_降核 的 dValue 效率下限不再计违规
  (DMA 仍能工作只是效率低; 真正不可行的只有容量/核数硬约束);
  IterBatch/MergeBatch/StreamK 等有替代分支的分支仍按违规处理 (不满足条件不该进)
- asw_basic 枚举尾部: 严格 256B 偏好无解 -> 放开约束4 按 128B 硬下限给最优可行 tile,
  note 标注"效率降级"; 128B 硬下限也不满足的极端形状 (如 N=8 int8, B 侧 dValue=8B
  物理不可满足) 仍给 Base tile 方案 + 标注效率降级 (搬移效率崩塌)
- evaluator advice / router 仲裁文案含"效率降级"提示 (plan.note 同步)
- docs/06 Step1 增加"兜底分支恒出方案"段落 (效率降级 vs 违规的语义分层)
- 回归: b32_m16_n8192_k7168 分解 = Base 16x1024 + tile 16x1024 + k_l1=112
  (L1 双缓冲 ⌊L1/(2·(16+1024)·2)⌋16=112 反推) 入测试; 极端形状 feasible=True +
  效率降级标注; 压力 10000 例 0 崩溃/0 NaN/0 硬违规/0 GM<V_in; examples 重生成 0 diff
2026-09-07 16:24:46 +08:00

22 KiB

1case_idbranchnpuopused_core_numsplit_bm_cntn_cntgrid_kcore_mapb_coremerge_b0single_core_msingle_core_nsingle_core_kk_l1b_l1l1_formbase_mbase_nbase_kl2_policy_inl2_policy_outswizzle_wworkspace_bytestail_strategytail_m_cnttail_n_cnttail_k_cnttail_m_maintail_n_maintail_block_cnttail_wave_numfixpipe_unitflagout_dtype_bytesnote
2to_matmul_demo转MatmulAscend950PRbatch_mat_mul_v3321001折叠为 Matmul [2048,2048]x[2048,2048], 复用 Matmul 切分体系010020480100000转Matmul后由 Matmul 体系决定1110000True2BatchB=1免费折叠: 左矩阵 [1,2048,2048] 视图折叠为 [2048,2048], 零重排零 split
3special_k0_demo特殊分支Ascend950PRbatch_mat_mul_v3641111AIV 核间按行均分 (无 Cube tile 概念)0100001UB驻留(AIV)000allocatedirect_gm00不涉及(AIV逐元素)1110000False2K=0纯写值: 无任何计算, C=bias 或 0, 纯 AIV 写值; 按行均分到 AIV 核
4special_k1_demo特殊分支Ascend950PRbatch_mat_mul_v3641111AIV 核间按行均分 (无 Cube tile 概念)0100101UB驻留(AIV) UB乒乓000allocatedirect_gm00不涉及(AIV逐元素)1110000False2K=1逐元素乘: 退化为 C=A⊙B 无累加深度, Cube 16x16x16 粒度浪费 15/16; 走 AIV 通路 GM->UB->Mul->GM, UB乒乓 (B>=2*AIV 双batch乒乓流水)
5merge_demo_k_truncMergeBatchAscend950PRbatch_mat_mul_v33232111切B均分(核间零重复读零依赖)6441281282562568合并驻留128128128allocate(GM->L1随路驻留L2)resident(整case输入+输出<=L2: 输出驻留L2异步回写, GM写=0)00不涉及(核内不切M/N)1110000True2b0=4 (L0C上限5.7/算存比上限19.0/b_core=64); K截断; 合并后单次DMA搬入 A'[128,256]+B'[256,128]; 输出落点: L2驻留 (整case V_in+V_out=64.0MB vs L2=128MB)
6merge_iter_arbitrateIterBatchAscend950PRbatch_mat_mul_v33232111切B轮转分配(核间零重复读零依赖)4164645125122b_双batch乒乓6464256allocate(GM->L1随路驻留L2)resident(整case输入+输出<=L2: 输出驻留L2异步回写, GM写=0)00不涉及(核内不切M/N)1110000True2双batch乒乓: 2*(MK+KN)*dtype=256KB <= L1; 输出落点: L2驻留
7iter_demo_form_bIterBatchAscend950PRbatch_mat_mul_v33232111切B轮转分配(核间零重复读零依赖)4164642562562b_双batch乒乓6464256allocate(GM->L1随路驻留L2)resident(整case输入+输出<=L2: 输出驻留L2异步回写, GM写=0)00不涉及(核内不切M/N)1110000True2双batch乒乓: 2*(MK+KN)*dtype=128KB <= L1; 输出落点: L2驻留
8iter_demo_form_dIterBatchAscend950PRbatch_mat_mul_v33232111切B轮转分配(核间零重复读零依赖)216464819210241d_两侧都切K6464256allocate(GM->L1随路驻留L2)direct_gm(整case超L2: 输入优先驻留L2, 输出直写GM不占L2)00不涉及(核内不切M/N)1110000True2两侧都切K: k_L1=1024, K段成对流水, batch边界天然无缝; dValueA=2048B/dValueB=128B; 输出落点: 直写GM
9streamk_demoStreamKAscend950PRbatch_mat_mul_v33211132B/M/N切出4块, 每块32核切K归约 (归约组内核c负责K段[c*K/32,(c+1)*K/32))111281283202561K段标准分块流水12812864allocate(部分和驻留L2)resident(部分和4B驻留L2, 防精度丢失不随C的fp16/fp8转换)08388608grid_K=32路切K+归约11320000True4P=1.00, grid_K=32, 部分和驻留L2按4B写出, AIV归约后按C dtype=2B写最终
10asw_demo_fullASW_BasicAscend950PRbatch_mat_mul_v332116161B->M->N线性映射+ASW滑窗蛇形(W=4)0151251210241281双缓冲驻留当前tile输入25625664allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A011100016True2tile枚举: P=16, 有界枚举最优 mCnt=16 x nCnt=16 (tile 512x512, 每batch搬入512.0MB, r=0); Base tile 256x256 (L0C 单缓冲方形用满); L2场景: B_单batch可驻留(全驻留或单侧驻留+对侧滑窗) (V_in=64.0MB, V_out=256.0MB, L2=128MB); 尾轮: r=0 无尾轮
11asw_demo_reduce_coreASW_Basic_降核Ascend950PRbatch_mat_mul_v3161111降核: 只用16核, 每核一个L0C满载输出块, 其余核闲置012562561281281标准核内流水25625664allocateresident(整case全驻留S_A)00不涉及(每核一块无尾轮)1110000True2P=16.00<C, 降核是理性选择 (强切则 tile 跌破搬移效率下限反而更慢)
12b4_m1_n128_k256ASW_Basic_降核Ascend950PRbatch_mat_mul_v311111降核: 只用1核, 每核一个L0C满载输出块, 其余核闲置0111282562561标准核内流水1128128allocateresident(整case全驻留S_A)00不涉及(每核一块无尾轮)1110000True2P=0.01<C, 降核是理性选择 (强切则 tile 跌破搬移效率下限反而更慢)
13b8_m2_n192_k128ASW_Basic_降核Ascend950PRbatch_mat_mul_v311111降核: 只用1核, 每核一个L0C满载输出块, 其余核闲置0121921281281标准核内流水219280allocateresident(整case全驻留S_A)00不涉及(每核一块无尾轮)1110000True2P=0.05<C, 降核是理性选择 (强切则 tile 跌破搬移效率下限反而更慢)
14b16_m4_n256_k192ASW_Basic_降核Ascend950PRbatch_mat_mul_v311111降核: 只用1核, 每核一个L0C满载输出块, 其余核闲置0142561921921标准核内流水425664allocateresident(整case全驻留S_A)00不涉及(每核一块无尾轮)1110000True2P=0.25<C, 降核是理性选择 (强切则 tile 跌破搬移效率下限反而更慢)
15b32_m8_n128_k256IterBatchAscend950PRbatch_mat_mul_v33232111切B轮转分配(核间零重复读零依赖)1181282562561a_单batch全驻留8128128allocate(GM->L1随路驻留L2)resident(整case输入+输出<=L2: 输出驻留L2异步回写, GM写=0)00不涉及(核内不切M/N)1110000True2单batch全驻留: (MK+KN)*dtype=68KB <= L1; 输出落点: L2驻留
16b64_m16_n256_k512IterBatchAscend950PRbatch_mat_mul_v33232111切B轮转分配(核间零重复读零依赖)21162565122401c_一侧驻留+对侧切K1625664allocate(GM->L1随路驻留L2)resident(整case输入+输出<=L2: 输出驻留L2异步回写, GM写=0)00不涉及(核内不切M/N)1110000True2一侧驻留(A)+对侧切K: A驻留16KB, 预算L1/2, k_L1=240, dValueA=480B/dValueB=512B; 输出落点: L2驻留
17b128_m8_n192_k256IterBatchAscend950PRbatch_mat_mul_v33232111切B轮转分配(核间零重复读零依赖)4181922562562b_双batch乒乓819280allocate(GM->L1随路驻留L2)resident(整case输入+输出<=L2: 输出驻留L2异步回写, GM写=0)00不涉及(核内不切M/N)1110000True2双batch乒乓: 2*(MK+KN)*dtype=200KB <= L1; 输出落点: L2驻留
18b32_m16_n8192_k7168ASW_BasicAscend950PRbatch_mat_mul_v3321181B->M->N线性映射+ASW滑窗蛇形(W=4)0116102471681121双缓冲驻留当前tile输入16102416allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A01110008True2tile枚举: 效率降级(放开约束4, dValue 按 128B 硬下限, 搬移效率低于模型假设, 时延可能低估): P=1, mCnt=1 x nCnt=8 (tile 16x1024, 每batch搬入113.8MB, r=0); Base tile 16x1024 (L0C 单缓冲方形用满); L2场景: B_单batch可驻留(全驻留或单侧驻留+对侧滑窗) (V_in=3591.0MB, V_out=8.0MB, L2=128MB); 尾轮: r=0 无尾轮
19b4_m1_n8192_k8192StreamKAscend950PRbatch_mat_mul_v33211132B/M/N切出4块, 每块32核切K归约 (归约组内核c负责K段[c*K/32,(c+1)*K/32))11181922562561K段标准分块流水112864allocate(部分和驻留L2)resident(部分和4B驻留L2, 防精度丢失不随C的fp16/fp8转换)04194304grid_K=32路切K+归约11320000True4P=0.50, grid_K=32, 部分和驻留L2按4B写出, AIV归约后按C dtype=2B写最终
20b16_m2_n4096_k7168StreamKAscend950PRbatch_mat_mul_v33211116B/M/N切出16块, 每块16核切K归约 (归约组内核c负责K段[c*K/16,(c+1)*K/16))11240964482561K段标准分块流水212864allocate(部分和驻留L2)resident(部分和4B驻留L2, 防精度丢失不随C的fp16/fp8转换)08388608grid_K=16路切K+归约11160000True4P=2.00, grid_K=16, 部分和驻留L2按4B写出, AIV归约后按C dtype=2B写最终
21b32_m64_n64_k7168IterBatchAscend950PRbatch_mat_mul_v33232111切B轮转分配(核间零重复读零依赖)116464716810241d_两侧都切K6464256allocate(GM->L1随路驻留L2)resident(整case输入+输出<=L2: 输出驻留L2异步回写, GM写=0)00不涉及(核内不切M/N)1110000True2两侧都切K: k_L1=1024, K段成对流水, batch边界天然无缝; dValueA=2048B/dValueB=128B; 输出落点: L2驻留
22b64_m1024_n1024_k7168IterBatchAscend950PRbatch_mat_mul_v33232111切B轮转分配(核间零重复读零依赖)21102410247168641d_两侧都切K17617664allocate(GM->L1随路驻留L2)direct_gm(整case超L2: 输入优先驻留L2, 输出直写GM不占L2)00不涉及(核内不切M/N)1110000True2两侧都切K: k_L1=64, K段成对流水, batch边界天然无缝; dValueA=128B/dValueB=2048B; 输出落点: 直写GM
23b128_m2048_n2048_k1536ASW_BasicAscend950PRbatch_mat_mul_v3321441B->M->N线性映射+ASW滑窗蛇形(W=4)0151251215361281双缓冲驻留当前tile输入25625664allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A011100064True2tile枚举: P=1, 有界枚举最优 mCnt=4 x nCnt=4 (tile 512x512, 每batch搬入48.0MB, r=0); Base tile 256x256 (L0C 单缓冲方形用满); L2场景: B_单batch可驻留(全驻留或单侧驻留+对侧滑窗) (V_in=1536.0MB, V_out=1024.0MB, L2=128MB); 尾轮: r=0 无尾轮
24b64_m1024_n8192_k2048ASW_BasicAscend950PRbatch_mat_mul_v33212161B->M->N线性映射+ASW滑窗蛇形(W=4)0151251220481281双缓冲驻留当前tile输入25625664allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A011100064True2tile枚举: P=1, 有界枚举最优 mCnt=2 x nCnt=16 (tile 512x512, 每batch搬入128.0MB, r=0); Base tile 256x256 (L0C 单缓冲方形用满); L2场景: B_单batch可驻留(全驻留或单侧驻留+对侧滑窗) (V_in=2304.0MB, V_out=1024.0MB, L2=128MB); 尾轮: r=0 无尾轮
25b32_m1024_n1024_k512IterBatchAscend950PRbatch_mat_mul_v33232111切B轮转分配(核间零重复读零依赖)1110241024512641d_两侧都切K17617664allocate(GM->L1随路驻留L2)resident(整case输入+输出<=L2: 输出驻留L2异步回写, GM写=0)00不涉及(核内不切M/N)1110000True2两侧都切K: k_L1=64, K段成对流水, batch边界天然无缝; dValueA=128B/dValueB=2048B; 输出落点: L2驻留
26b128_m4096_n4096_k8192ASW_BasicAscend950PRbatch_mat_mul_v3321881B->M->N线性映射+ASW滑窗蛇形(W=4)0151251281921281双缓冲驻留当前tile输入25625664allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A0111000256True2tile枚举: P=1, 有界枚举最优 mCnt=8 x nCnt=8 (tile 512x512, 每batch搬入1024.0MB, r=0); Base tile 256x256 (L0C 单缓冲方形用满); L2场景: B_单batch可驻留(全驻留或单侧驻留+对侧滑窗) (V_in=16384.0MB, V_out=4096.0MB, L2=128MB); 尾轮: r=0 无尾轮
27b32_m8192_n4096_k7168ASW_BasicAscend950PRbatch_mat_mul_v33211681B->M->N线性映射+ASW滑窗蛇形(W=4)0151251271681281双缓冲驻留当前tile输入25625664allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A0111000128True2tile枚举: P=1, 有界枚举最优 mCnt=16 x nCnt=8 (tile 512x512, 每batch搬入1792.0MB, r=0); Base tile 256x256 (L0C 单缓冲方形用满); L2场景: B_单batch可驻留(全驻留或单侧驻留+对侧滑窗) (V_in=5376.0MB, V_out=2048.0MB, L2=128MB); 尾轮: r=0 无尾轮
28b32_m2048_n2048_k8192ASW_BasicAscend950PRbatch_mat_mul_v3321441B->M->N线性映射+ASW滑窗蛇形(W=4)0151251281921281双缓冲驻留当前tile输入25625664allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A011100016True2tile枚举: P=1, 有界枚举最优 mCnt=4 x nCnt=4 (tile 512x512, 每batch搬入256.0MB, r=0); Base tile 256x256 (L0C 单缓冲方形用满); L2场景: B_单batch可驻留(全驻留或单侧驻留+对侧滑窗) (V_in=2048.0MB, V_out=256.0MB, L2=128MB); 尾轮: r=0 无尾轮
29b64_m4096_n2048_k128ASW_BasicAscend950PRbatch_mat_mul_v3321841B->M->N线性映射+ASW滑窗蛇形(W=4)015125121281281双缓冲驻留当前tile输入25625664allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A011100064True2tile枚举: P=1, 有界枚举最优 mCnt=8 x nCnt=4 (tile 512x512, 每batch搬入8.0MB, r=0); Base tile 256x256 (L0C 单缓冲方形用满); L2场景: B_单batch可驻留(全驻留或单侧驻留+对侧滑窗) (V_in=96.0MB, V_out=1024.0MB, L2=128MB); 尾轮: r=0 无尾轮
30b16_m1024_n1024_k8192ASW_BasicAscend950PRbatch_mat_mul_v3321221B->M->N线性映射+ASW滑窗蛇形(W=4)0151251281921281双缓冲驻留当前tile输入25625664allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A01110002True2tile枚举: P=2, 有界枚举最优 mCnt=2 x nCnt=2 (tile 512x512, 每batch搬入64.0MB, r=0); Base tile 256x256 (L0C 单缓冲方形用满); L2场景: B_单batch可驻留(全驻留或单侧驻留+对侧滑窗) (V_in=512.0MB, V_out=32.0MB, L2=128MB); 尾轮: r=0 无尾轮
31b4_m32768_n128_k128ASW_BasicAscend950PRbatch_mat_mul_v33216411B->M->N线性映射+ASW滑窗蛇形(W=4)015121281281281双缓冲驻留当前tile输入51212832allocate(输入驻留L2吸收重复读)resident(整case全驻留S_A: 输出驻留L2异步回写, GM写=0)40A01110008True2tile枚举: P=8, 有界枚举最优 mCnt=64 x nCnt=1 (tile 512x128, 每batch搬入10.0MB, r=0); Base tile 512x128 (L0C 单缓冲方形用满); L2场景: A_整case全驻留(输入+输出<=L2) (V_in=32.1MB, V_out=32.0MB, L2=128MB); 尾轮: r=0 无尾轮
32b8_m32768_n2048_k512ASW_BasicAscend950PRbatch_mat_mul_v33216441B->M->N线性映射+ASW滑窗蛇形(W=4)015125125121281双缓冲驻留当前tile输入25625664allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A011100064True2tile枚举: P=4, 有界枚举最优 mCnt=64 x nCnt=4 (tile 512x512, 每batch搬入256.0MB, r=0); Base tile 256x256 (L0C 单缓冲方形用满); L2场景: B_单batch可驻留(全驻留或单侧驻留+对侧滑窗) (V_in=272.0MB, V_out=1024.0MB, L2=128MB); 尾轮: r=0 无尾轮
33b4_m131072_n128_k128ASW_BasicAscend950PRbatch_mat_mul_v332125611B->M->N线性映射+ASW滑窗蛇形(W=4)015121281281281双缓冲驻留当前tile输入51212832allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A011100032True2tile枚举: P=8, 有界枚举最优 mCnt=256 x nCnt=1 (tile 512x128, 每batch搬入40.0MB, r=0); Base tile 512x128 (L0C 单缓冲方形用满); L2场景: B_单batch可驻留(全驻留或单侧驻留+对侧滑窗) (V_in=128.1MB, V_out=128.0MB, L2=128MB); 尾轮: r=0 无尾轮
34b8_m131072_n1024_k256ASW_BasicAscend950PRbatch_mat_mul_v332125621B->M->N线性映射+ASW滑窗蛇形(W=4)015125122561281双缓冲驻留当前tile输入25625664allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A0111000128True2tile枚举: P=4, 有界枚举最优 mCnt=256 x nCnt=2 (tile 512x512, 每batch搬入256.0MB, r=0); Base tile 256x256 (L0C 单缓冲方形用满); L2场景: B_单batch可驻留(全驻留或单侧驻留+对侧滑窗) (V_in=516.0MB, V_out=2048.0MB, L2=128MB); 尾轮: r=0 无尾轮
35b16_m32768_n8192_k7168ASW_BasicAscend950PRbatch_mat_mul_v332164161B->M->N线性映射+ASW滑窗蛇形(W=4)0151251271681281双缓冲驻留当前tile输入25625664allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A0111000512True2tile枚举: P=2, 有界枚举最优 mCnt=64 x nCnt=16 (tile 512x512, 每batch搬入14336.0MB, r=0); Base tile 256x256 (L0C 单缓冲方形用满); L2场景: B_单batch可驻留(全驻留或单侧驻留+对侧滑窗) (V_in=8960.0MB, V_out=8192.0MB, L2=128MB); 尾轮: r=0 无尾轮
36b4_m32768_n128_k8192ASW_BasicAscend950PRbatch_mat_mul_v33216411B->M->N线性映射+ASW滑窗蛇形(W=4)0151212881921921双缓冲驻留当前tile输入51212832allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A01110008True2tile枚举: P=8, 有界枚举最优 mCnt=64 x nCnt=1 (tile 512x128, 每batch搬入640.0MB, r=0); Base tile 512x128 (L0C 单缓冲方形用满); L2场景: B_单batch可驻留(全驻留或单侧驻留+对侧滑窗) (V_in=2056.0MB, V_out=32.0MB, L2=128MB); 尾轮: r=0 无尾轮
37b32_m131072_n8192_k128ASW_BasicAscend950PRbatch_mat_mul_v3321256161B->M->N线性映射+ASW滑窗蛇形(W=4)015125121281281双缓冲驻留当前tile输入25625664allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A01110004096True2tile枚举: P=1, 有界枚举最优 mCnt=256 x nCnt=16 (tile 512x512, 每batch搬入1024.0MB, r=0); Base tile 256x256 (L0C 单缓冲方形用满); L2场景: B_单batch可驻留(全驻留或单侧驻留+对侧滑窗) (V_in=1088.0MB, V_out=65536.0MB, L2=128MB); 尾轮: r=0 无尾轮
38b64_m32768_n8192_k1536ASW_BasicAscend950PRbatch_mat_mul_v332164161B->M->N线性映射+ASW滑窗蛇形(W=4)0151251215361281双缓冲驻留当前tile输入25625664allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A01110002048True2tile枚举: P=1, 有界枚举最优 mCnt=64 x nCnt=16 (tile 512x512, 每batch搬入3072.0MB, r=0); Base tile 256x256 (L0C 单缓冲方形用满); L2场景: B_单batch可驻留(全驻留或单侧驻留+对侧滑窗) (V_in=7680.0MB, V_out=32768.0MB, L2=128MB); 尾轮: r=0 无尾轮
39b8_m131072_n8192_k8192ASW_BasicAscend950PRbatch_mat_mul_v3321256161B->M->N线性映射+ASW滑窗蛇形(W=4)0151251281921281双缓冲驻留当前tile输入25625664allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A01110001024True2tile枚举: P=4, 有界枚举最优 mCnt=256 x nCnt=16 (tile 512x512, 每batch搬入65536.0MB, r=0); Base tile 256x256 (L0C 单缓冲方形用满); L2场景: C_双侧超L2: 最小替换2D分组(组间落空GM, 窗口L2) (V_in=17408.0MB, V_out=16384.0MB, L2=128MB); 最小替换分组 m_grp=8x n_grp=8 (GM倍率3.76, 窗口L2/batch=57344.0MB); 尾轮: r=0 无尾轮
40b8_m16_n7168_k1536StreamKAscend950PRbatch_mat_mul_v3321122B/M/N切出16块, 每块2核切K归约 (归约组内核c负责K段[c*K/2,(c+1)*K/2))111635847682561K段标准分块流水1612864allocate(部分和驻留L2)resident(部分和4B驻留L2, 防精度丢失不随C的fp16/fp8转换)03670016grid_K=2路切K+归约1120000True4P=14.00, grid_K=2, 部分和驻留L2按4B写出, AIV归约后按C dtype=2B写最终
41b64_m1024_n7168_k7168ASW_BasicAscend950PRbatch_mat_mul_v33212141B->M->N线性映射+ASW滑窗蛇形(W=4)0151251271681281双缓冲驻留当前tile输入25625664allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A011100056True2tile枚举: P=1, 有界枚举最优 mCnt=2 x nCnt=14 (tile 512x512, 每batch搬入392.0MB, r=0); Base tile 256x256 (L0C 单缓冲方形用满); L2场景: B_单batch可驻留(全驻留或单侧驻留+对侧滑窗) (V_in=7168.0MB, V_out=896.0MB, L2=128MB); 尾轮: r=0 无尾轮
42b32_m8192_n8192_k7168ASW_BasicAscend950PRbatch_mat_mul_v332116161B->M->N线性映射+ASW滑窗蛇形(W=4)0151251271681281双缓冲驻留当前tile输入25625664allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A0111000256True2tile枚举: P=1, 有界枚举最优 mCnt=16 x nCnt=16 (tile 512x512, 每batch搬入3584.0MB, r=0); Base tile 256x256 (L0C 单缓冲方形用满); L2场景: B_单batch可驻留(全驻留或单侧驻留+对侧滑窗) (V_in=7168.0MB, V_out=4096.0MB, L2=128MB); 尾轮: r=0 无尾轮
43b8_m4096_n4096_k128ASW_BasicAscend950PRbatch_mat_mul_v3321881B->M->N线性映射+ASW滑窗蛇形(W=4)015125121281281双缓冲驻留当前tile输入25625664allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A011100016True2tile枚举: P=4, 有界枚举最优 mCnt=8 x nCnt=8 (tile 512x512, 每batch搬入16.0MB, r=0); Base tile 256x256 (L0C 单缓冲方形用满); L2场景: B_单batch可驻留(全驻留或单侧驻留+对侧滑窗) (V_in=16.0MB, V_out=256.0MB, L2=128MB); 尾轮: r=0 无尾轮
44b128_m8192_n8192_k7168ASW_BasicAscend950PRbatch_mat_mul_v332116161B->M->N线性映射+ASW滑窗蛇形(W=4)0151251271681281双缓冲驻留当前tile输入25625664allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A01110001024True2tile枚举: P=1, 有界枚举最优 mCnt=16 x nCnt=16 (tile 512x512, 每batch搬入3584.0MB, r=0); Base tile 256x256 (L0C 单缓冲方形用满); L2场景: B_单batch可驻留(全驻留或单侧驻留+对侧滑窗) (V_in=28672.0MB, V_out=16384.0MB, L2=128MB); 尾轮: r=0 无尾轮
45special_k1_b64特殊分支Ascend950PRbatch_mat_mul_v3641111AIV 核间按行均分 (无 Cube tile 概念)0100101UB驻留(AIV) AIV单缓冲000allocatedirect_gm00不涉及(AIV逐元素)1110000False2K=1逐元素乘: 退化为 C=A⊙B 无累加深度, Cube 16x16x16 粒度浪费 15/16; 走 AIV 通路 GM->UB->Mul->GM, AIV单缓冲 (B<2*AIV 逐batch单缓冲串行)