Files
matmul-analysis/BMM/BMM_Theory/examples/result_evaluate.csv
admin b9e07edc1d Fix #27-#30: dtype感知算力(Cube/AIV速率表) / GM首读下限与整芯片字节列口径+设计文档 / Fixpipe输出落点R4(整case驻留L2否则直写GM) / MergeBatch Cube公式复核注释
- docs/05_L2驻留GM读写与dtype算力口径_设计分析.md: R1-R6公理、S_A/S_B/S_C场景、输出落点R4、dtype速率表(白皮书出处+待标定假设)、逐分支GM/L2归属表 (issue#29/#30 先文档后代码)
- hardware: CUBE_DTYPE_FACTOR(f16/bf16=1, fp8=2x, fp4=4x, fp32=1/2假设) + AIV_DTYPE_FACTOR + q_cube/aiv_elem_rate (issue#28)
- 全分支 t_mmad/t_comp/drain/尾轮主导项/θ_c/R16 语义按输入dtype取算力; 混精度取慢侧; StreamK归约保持fp32(AIV fp32部分和)
- Fixpipe输出落点R4: to_l2 <=> V_in+V_out(+workspace)<=L2; 否则直写GM计入共享总线; ASW场景改S_A整case全驻留(原单batch驻留判定漏计整case输出累积逐出)
- 字节列统一整芯片口径(gm/l2/fix/cube_flops), dma_cmd_count注明单核; GM>=V_in不变量入测试; MergeBatch每步flops=2(b0M)(b0N)K公式注释显式化(#27复核与CSV一致无数值改动)
- tests 39->49 全过; 双压力seed7/6000+seed2024/4000: 0违规/0占位/0NaN/0GM<输入; examples三件套重生成且可复现0diff
2026-09-04 16:26:10 +08:00

42 KiB

1case_idbatch_abatch_bmnkdtype_adtype_bdtype_ctrans_atrans_bhas_biasout_nddeterministic_levelplan_case_idplan_branchplan_npuplan_opplan_used_core_numplan_split_bplan_m_cntplan_n_cntplan_grid_kplan_core_mapplan_b_coreplan_merge_b0plan_single_core_mplan_single_core_nplan_single_core_kplan_k_l1plan_b_l1plan_l1_formplan_base_mplan_base_nplan_base_kplan_l2_policy_inplan_l2_policy_outplan_swizzle_wplan_workspace_bytesplan_tail_strategyplan_tail_m_cntplan_tail_n_cntplan_tail_k_cntplan_tail_m_mainplan_tail_n_mainplan_tail_block_cntplan_tail_wave_numplan_fixpipe_unitflagplan_out_dtype_bytesplan_notegm_read_bytesl2_read_bytest_mte2_gmt_mte2_l2t_mte2dma_cmd_countt_dma_cmdcube_flopst_mmadfixpipe_bytest_fixpipet_reducet_steadyt_draint_totalbottleneckfeasibleviolationsbound_typeadvice
2to_matmul_demo11204820482048bf16bf16bf16FalseFalseFalseTrue0to_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 split167772160.01.048576e-050.01.048576e-050.00.017179869184.03.534952506995885e-0583886081.6131938461538462e-060.03.534952506995885e-050.03.534952506995885e-05MMADTrue计算Bound瓶颈在 Cube 计算: 已接近理论算力上限, 检查是否有冗余计算 (MergeBatch 交叉项) 可消除
3special_k0_demo1281282562560bf16bf16bf16FalseFalseFalseTrue0special_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0.00.00.00.00.00.00.00.00.0167772163.2263876923076923e-060.03.2263876923076923e-060.03.2263876923076923e-06FIXPIPETrue写出Bound(L2写口)瓶颈在 Fixpipe 写出: 检查输出 dtype (fp16/fp8 可减半写出量), 或评估输出驻留 L2 异步回写策略
4special_k1_demo1281282562561bf16bf16bf16FalseFalseFalseTrue0special_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)1310720.08.192e-080.08.192e-080.00.08388608.03.103030303030303e-07167772163.2263876923076923e-060.03.2263876923076923e-060.03.2263876923076923e-06FIXPIPETrue写出Bound(L2写口)瓶颈在 Fixpipe 写出: 检查输出 dtype (fp16/fp8 可减半写出量), 或评估输出驻留 L2 异步回写策略
5merge_demo_k_trunc204820483232256bf16bf16bf16FalseFalseFalseTrue0merge_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)671088640.04.194304e-050.04.2743039999999997e-0516.08.000000000000001e-074294967296.08.837381267489712e-0641943048.065969230769231e-070.04.2743039999999997e-051.8849638999683443e-074.293153638999683e-05MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
6merge_iter_arbitrate1281286464512bf16bf16bf16FalseFalseFalseTrue0merge_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167772160.01.048576e-050.01.0685759999999999e-0542.0000000000000002e-07536870912.01.104672658436214e-0610485762.0164923076923077e-070.01.0685759999999999e-053.265804723013612e-071.101234047230136e-05MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
7iter_demo_form_b1281286464256bf16bf16bf16FalseFalseFalseTrue0iter_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83886080.05.24288e-060.05.4428799999999995e-0642.0000000000000002e-07268435456.05.52336329218107e-0710485762.0164923076923077e-070.05.4428799999999995e-061.8849638999683443e-075.631376389996834e-06MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
8iter_demo_form_d646464648192bf16bf16bf16FalseFalseFalseTrue0iter_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GM1342177280.08.388608e-050.08.468608e-05168.000000000000001e-074294967296.08.837381267489712e-065242883.2768e-070.08.501376e-057.16176329218107e-078.572993632921812e-05MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
9streamk_demo4412812810240bf16bf16bf16FalseFalseFalseTrue0streamk_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2097152001.31072e-050.01.31072e-050.00.01342177280.02.761681646090535e-060.00.03.4067453613053613e-061.31072e-053.4067453613053613e-061.651394536130536e-05MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
10asw_demo_full22819281921024bf16bf16bf16FalseFalseFalseTrue0asw_demo_fullASW_BasicAscend950PRbatch_mat_mul_v332147471B->M->N线性映射+ASW滑窗蛇形(W=4)0117617610242561双缓冲驻留当前tile输入17617680allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40方案B5252152522139True2L2场景: B_单batch输入驻留(整case超L2, 输出直写GM) (V_in=64.0MB, V_out=256.0MB, L2=128MB), GM首读倍率=1.00; 尾轮: 周长型主导, rho=0.06<rho_dv=0.53, A1b被dValue卡死, 方案B反超67108864.030870077444.194304e-050.00059365533538461540.00063559837538461530.00.0274877906944.00.00056559240111934162684354560.000167772160.00.00080337053538461540.00.0008033705353846154MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
11asw_demo_reduce_core1616256256128bf16bf16bf16FalseFalseFalseTrue0asw_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)2097152.002.62144e-060.02.62144e-060.00.0268435456.01.104672658436214e-0620971528.065969230769231e-070.02.62144e-060.02.62144e-06MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
12b4_m1_n128_k256441128256bf16bf16bf16FalseFalseFalseTrue0b4_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)264192.005.28384e-060.05.28384e-060.00.0262144.01.7260510288065844e-0810246.3015384615384615e-090.05.28384e-060.05.28384e-06MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
13b8_m2_n192_k128882192128bf16bf16bf16FalseFalseFalseTrue0b8_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)397312.007.94624e-060.07.94624e-060.00.0786432.05.178153086419753e-0861443.7809230769230766e-080.07.94624e-060.07.94624e-06MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
14b16_m4_n256_k19216164256192bf16bf16bf16FalseFalseFalseTrue0b16_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)1597440.003.19488e-050.03.19488e-050.00.06291456.04.1425224691358024e-07327682.0164923076923077e-070.03.19488e-050.03.19488e-05MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
15b32_m8_n128_k25632328128256bf16bf16bf16FalseFalseFalseTrue0b32_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22282240.01.39264e-060.01.44264e-0615.0000000000000004e-0816777216.03.452102057613169e-08655361.2603076923076923e-080.01.44264e-064.712409749920861e-081.4897640974992086e-06MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
16b64_m16_n256_k512646416256512bf16bf16bf16FalseFalseFalseTrue0b64_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250675200.01.56672e-050.01.5967200000000002e-0563.0000000000000004e-07268435456.05.52336329218107e-075242881.0082461538461538e-070.01.5967200000000002e-051.798661348528015e-071.6147066134852802e-05MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
17b128_m8_n192_k2561281288192256bf16bf16bf16FalseFalseFalseTrue0b128_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131072000.08.192e-060.08.392e-0642.0000000000000002e-07100663296.02.0712612345679012e-073932167.561846153846153e-080.08.392e-067.068614624881291e-088.462686146248813e-06MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
18b32_m16_n8192_k716832321681927168bf16bf16bf16FalseFalseFalseTrue0b32_m16_n8192_k7168ASW_BasicAscend950PRbatch_mat_mul_v33211471B->M->N线性映射+ASW滑窗蛇形(W=4)0117617671682561双缓冲驻留当前tile输入17617680allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A011100047True2L2场景: B_单batch输入驻留(整case超L2, 输出直写GM) (V_in=3591.0MB, V_out=8.0MB, L2=128MB), GM首读倍率=1.00; 尾轮: r=0 无尾轮3765436416.03376414720.002353397766.493105230769231e-050.00241832881230769240.00.060129542144.00.0001237233377448559683886085.24288e-060.00.00242357169230769230.00.0024235716923076923MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
19b4_m1_n8192_k819244181928192bf16bf16bf16FalseFalseFalseTrue0b4_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5369364480.00.000335585280.00.000335585280.00.0536870912.01.104672658436214e-060.00.01.731729603729604e-060.000335585281.731729603729604e-060.0003373170096037296MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
20b16_m2_n4096_k71681616240967168bf16bf16bf16FalseFalseFalseTrue0b16_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93998284800.000587489280.00.000587489280.00.01879048192.03.866354304526749e-060.00.01.7726896037296038e-060.000587489281.7726896037296038e-060.0005892619696037297MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
21b32_m64_n64_k7168323264647168bf16bf16bf16FalseFalseFalseTrue0b32_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587202560.03.6700159999999995e-050.03.705016e-0573.5000000000000004e-071879048192.03.866354304526749e-062621445.041230769230769e-080.03.705016e-056.027486369104147e-073.7652908636910414e-05MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
22b64_m1024_n1024_k71686464102410247168bf16bf16bf16FalseFalseFalseTrue0b64_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GM18790481920.00.00117440511999999980.00.001185605122241.1200000000000001e-05962072674304.00.00197957340391769541342177288.388608e-050.00.00197957340391769545.078042126748971e-050.0020303538251851853MMADTrue计算Bound瓶颈在 Cube 计算: 已接近理论算力上限, 检查是否有冗余计算 (MergeBatch 交叉项) 可消除
23b128_m2048_n2048_k1536128128204820481536bf16bf16bf16FalseFalseFalseTrue0b128_m2048_n2048_k1536ASW_BasicAscend950PRbatch_mat_mul_v332112121B->M->N线性映射+ASW滑窗蛇形(W=4)0117617615362561双缓冲驻留当前tile输入17617680allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A0111000576True2L2场景: B_单batch输入驻留(整case超L2, 输出直写GM) (V_in=1536.0MB, V_out=1024.0MB, L2=128MB), GM首读倍率=1.00; 尾轮: r=0 无尾轮1610612736.0177167400960.001006632960.0034070654030769230.0044136983630769230.00.01649267441664.00.003393554406716049310737418240.000671088640.00.0050847870030769230.00.005084787003076923MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
24b64_m1024_n8192_k20486464102481922048bf16bf16bf16FalseFalseFalseTrue0b64_m1024_n8192_k2048ASW_BasicAscend950PRbatch_mat_mul_v33216471B->M->N线性映射+ASW滑窗蛇形(W=4)0117617620482561双缓冲驻留当前tile输入17617680allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A0111000564True2L2场景: B_单batch输入驻留(整case超L2, 输出直写GM) (V_in=2304.0MB, V_out=1024.0MB, L2=128MB), GM首读倍率=1.00; 尾轮: r=0 无尾轮2415919104.0230854492160.001509949440.0044395094646153850.0059494589046153850.00.02199023255552.00.00452473920895473310737418240.000671088640.00.0066205475446153850.00.006620547544615385MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
25b32_m1024_n1024_k512323210241024512bf16bf16bf16FalseFalseFalseTrue0b32_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671088640.04.194304e-050.04.234304e-0584.0000000000000003e-0734359738368.07.06990501399177e-05671088641.290555076923077e-050.07.06990501399177e-052.1742932036720483e-059.244198217663819e-05MMADTrue计算Bound瓶颈在 Cube 计算: 已接近理论算力上限, 检查是否有冗余计算 (MergeBatch 交叉项) 可消除
26b128_m4096_n4096_k8192128128409640968192bf16bf16bf16FalseFalseFalseTrue0b128_m4096_n4096_k8192ASW_BasicAscend950PRbatch_mat_mul_v332124241B->M->N线性映射+ASW滑窗蛇形(W=4)0117617681922561双缓冲驻留当前tile输入17617680allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A01110002304True2L2场景: B_单batch输入驻留(整case超L2, 输出直写GM) (V_in=16384.0MB, V_out=4096.0MB, L2=128MB), GM首读倍率=1.00; 尾轮: r=0 无尾轮17179869184.03951369912320.010737418240.075987882929230770.086725301169230770.00.035184372088832.00.0723958273432757242949672960.002684354560.00.089409655729230760.00.08940965572923076MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
27b32_m8192_n4096_k71683232819240967168bf16bf16bf16FalseFalseFalseTrue0b32_m8192_n4096_k7168ASW_BasicAscend950PRbatch_mat_mul_v332147241B->M->N线性映射+ASW滑窗蛇形(W=4)0117617671682561双缓冲驻留当前tile输入17617680allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A01110001128True2L2场景: C_单batch输入超L2分组执行(组间落空回GM) (V_in=5376.0MB, V_out=2048.0MB, L2=128MB), GM首读倍率=1.33; 尾轮: r=0 无尾轮7516192768.00.00.004697620480.00.004697620480.00.015393162788864.00.03167317446268312621474836480.001342177280.00.0316731744626831260.00.031673174462683126MMADTrue计算Bound瓶颈在 Cube 计算: 已接近理论算力上限, 检查是否有冗余计算 (MergeBatch 交叉项) 可消除
28b32_m2048_n2048_k81923232204820488192bf16bf16bf16FalseFalseFalseTrue0b32_m2048_n2048_k8192ASW_BasicAscend950PRbatch_mat_mul_v332112121B->M->N线性映射+ASW滑窗蛇形(W=4)0117617681922561双缓冲驻留当前tile输入17617680allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A0111000144True2L2场景: B_单batch输入驻留(整case超L2, 输出直写GM) (V_in=2048.0MB, V_out=256.0MB, L2=128MB), GM首读倍率=1.00; 尾轮: r=0 无尾轮2147483648.0236223201280.001342177280.0045427538707692310.0058849311507692310.00.02199023255552.00.0045247392089547332684354560.000167772160.00.0060527033107692310.00.006052703310769231MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
29b64_m4096_n2048_k128646440962048128bf16bf16bf16FalseFalseFalseTrue0b64_m4096_n2048_k128ASW_BasicAscend950PRbatch_mat_mul_v332124121B->M->N线性映射+ASW滑窗蛇形(W=4)011761761281281双缓冲驻留当前tile输入17617680allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A0111000576True2L2场景: B_单batch输入驻留(整case超L2, 输出直写GM) (V_in=96.0MB, V_out=1024.0MB, L2=128MB), GM首读倍率=1.00; 尾轮: r=0 无尾轮100663296.015099494406.291456e-050.00029037489230769230.00035328945230769230.00.0137438953472.00.000282796200559670810737418240.000671088640.00.00102437809230769210.00.0010243780923076921MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
30b16_m1024_n1024_k81921616102410248192bf16bf16bf16FalseFalseFalseTrue0b16_m1024_n1024_k8192ASW_BasicAscend950PRbatch_mat_mul_v3321661B->M->N线性映射+ASW滑窗蛇形(W=4)0117617681922561双缓冲驻留当前tile输入17617680allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A011100018True2L2场景: B_单batch输入驻留(整case超L2, 输出直写GM) (V_in=512.0MB, V_out=32.0MB, L2=128MB), GM首读倍率=1.00; 尾轮: r=0 无尾轮536870912.026843545600.000335544320.00051622203076923080.00085176635076923080.00.0274877906944.00.0005655924011193416335544322.097152e-050.00.00087273787076923080.00.0008727378707692308MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
31b4_m32768_n128_k1284432768128128bf16bf16bf16FalseFalseFalseTrue0b4_m32768_n128_k128ASW_BasicAscend950PRbatch_mat_mul_v332118711B->M->N线性映射+ASW滑窗蛇形(W=4)011761761281281双缓冲驻留当前tile输入17617680allocate(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)40方案B2051120511224True2L2场景: A_整case全驻留(输入+输出<=L2) (V_in=32.1MB, V_out=32.0MB, L2=128MB), GM首读倍率=1.00; 尾轮: 面积型主导, A1b与方案B严格打平(T=28.96us), 选方案B工程简洁 (一套tile)33685504.0243793922.105344e-054.688344615384615e-062.5741784615384616e-050.00.04294967296.08.837381267489712e-06335544326.452775384615385e-060.02.5741784615384616e-050.02.5741784615384616e-05MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
32b8_m32768_n2048_k51288327682048512bf16bf16bf16FalseFalseFalseTrue0b8_m32768_n2048_k512ASW_BasicAscend950PRbatch_mat_mul_v3321187121B->M->N线性映射+ASW滑窗蛇形(W=4)011761765122561双缓冲驻留当前tile输入17617680allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A0111000561True2L2场景: B_单batch输入驻留(整case超L2, 输出直写GM) (V_in=272.0MB, V_out=1024.0MB, L2=128MB), GM首读倍率=1.00; 尾轮: r=0 无尾轮285212672.060733521920.000178257920.00116795234461538470.00134621026461538480.00.0549755813888.00.001131184802238683210737418240.000671088640.00.00201729890461538460.00.0020172989046153846MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
33b4_m131072_n128_k12844131072128128bf16bf16bf16FalseFalseFalseTrue0b4_m131072_n128_k128ASW_BasicAscend950PRbatch_mat_mul_v332174511B->M->N线性映射+ASW滑窗蛇形(W=4)011761761281281双缓冲驻留当前tile输入17617680allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40方案B820118201494True2L2场景: B_单batch输入驻留(整case超L2, 输出直写GM) (V_in=128.1MB, V_out=128.0MB, L2=128MB), GM首读倍率=1.00; 尾轮: 面积型主导, A1b与方案B严格打平(T=115.39us), 选方案B工程简洁 (一套tile)134348800.0975175688.3968e-051.875337846153846e-050.000102721378461538470.00.017179869184.03.534952506995885e-051342177288.388608e-050.00.000186607458461538460.00.00018660745846153846MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
34b8_m131072_n1024_k256881310721024256bf16bf16bf16FalseFalseFalseTrue0b8_m131072_n1024_k256ASW_BasicAscend950PRbatch_mat_mul_v332174561B->M->N线性映射+ASW滑窗蛇形(W=4)011761762562561双缓冲驻留当前tile输入17617680allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40方案B820718207161118True2L2场景: B_单batch输入驻留(整case超L2, 输出直写GM) (V_in=516.0MB, V_out=2048.0MB, L2=128MB), GM首读倍率=1.00; 尾轮: 面积型主导, A1b与方案B严格打平(T=1384.63us), 选方案B工程简洁 (一套tile)541065216.058049167360.000338165760.00111633014153846150.00145449590153846160.00.0549755813888.00.001131184802238683221474836480.001342177280.00.00279667318153846170.00.0027966731815384617MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
35b16_m32768_n8192_k716816163276881927168bf16bf16bf16FalseFalseFalseTrue0b16_m32768_n8192_k7168ASW_BasicAscend950PRbatch_mat_mul_v3321187471B->M->N线性映射+ASW滑窗蛇形(W=4)0117617671682561双缓冲驻留当前tile输入17617680allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40方案B20552120552164395True2L2场景: C_单batch输入超L2分组执行(组间落空回GM) (V_in=8960.0MB, V_out=8192.0MB, L2=128MB), GM首读倍率=3.20; 尾轮: 周长型主导, rho=0.50<rho_dv=0.53, A1b被dValue卡死, 方案B反超30064771072.00.00.018790481920.00.018790481920.00.061572651155456.00.126692697850732585899345920.005368709120.00.12669269785073250.00.1266926978507325MMADTrue计算Bound瓶颈在 Cube 计算: 已接近理论算力上限, 检查是否有冗余计算 (MergeBatch 交叉项) 可消除
36b4_m32768_n128_k819244327681288192bf16bf16bf16FalseFalseFalseTrue0b4_m32768_n128_k8192ASW_BasicAscend950PRbatch_mat_mul_v332118711B->M->N线性映射+ASW滑窗蛇形(W=4)0117617681922561双缓冲驻留当前tile输入17617680allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40方案B2051120511224True2L2场景: C_单batch输入超L2分组执行(组间落空回GM) (V_in=2056.0MB, V_out=32.0MB, L2=128MB), GM首读倍率=1.03; 尾轮: 周长型主导, rho=0.38<rho_dv=0.53, A1b被dValue卡死, 方案B反超2222981120.00.00.00138936320.00.00138936320.00.0274877906944.00.0005655924011193416335544322.097152e-050.00.001410334720.00.00141033472MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
37b32_m131072_n8192_k12832321310728192128bf16bf16bf16FalseFalseFalseTrue0b32_m131072_n8192_k128ASW_BasicAscend950PRbatch_mat_mul_v3321745471B->M->N线性映射+ASW滑窗蛇形(W=4)011761761281281双缓冲驻留当前tile输入17617680allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A011100035015True2L2场景: B_单batch输入驻留(整case超L2, 输出直写GM) (V_in=1088.0MB, V_out=65536.0MB, L2=128MB), GM首读倍率=1.00; 尾轮: r=0 无尾轮1140850688.0993211187200.000713031680.0191002151384615380.0198132468184615380.00.08796093022208.00.01809895683581893687194767360.042949672960.00.062762919778461530.00.06276291977846153MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
38b64_m32768_n8192_k153664643276881921536bf16bf16bf16FalseFalseFalseTrue0b64_m32768_n8192_k1536ASW_BasicAscend950PRbatch_mat_mul_v3321187471B->M->N线性映射+ASW滑窗蛇形(W=4)0117617615362561双缓冲驻留当前tile输入17617680allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A011100017578True2L2场景: B_单batch输入驻留(整case超L2, 输出直写GM) (V_in=7680.0MB, V_out=32768.0MB, L2=128MB), GM首读倍率=1.00; 尾轮: r=0 无尾轮8053063680.05959267123200.00503316480.114601290830769230.119634455630769230.00.052776558133248.00.10859374101491358343597383680.021474836480.00.141109292110769220.00.14110929211076922MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
39b8_m131072_n8192_k81928813107281928192bf16bf16bf16FalseFalseFalseTrue0b8_m131072_n8192_k8192ASW_BasicAscend950PRbatch_mat_mul_v3321745471B->M->N线性映射+ASW滑窗蛇形(W=4)0117617681922561双缓冲驻留当前tile输入17617680allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A1b22122248754True2L2场景: C_单batch输入超L2分组执行(组间落空回GM) (V_in=17408.0MB, V_out=16384.0MB, L2=128MB), GM首读倍率=4.76; 尾轮: 周长型主导, rho=0.75>=rho_dv=0.53, A1b恒优 (尾轮tile缩√rho=0.87倍凑满核)86973087744.00.00.054358179840.00.054358179840.00.0140737488355328.00.2895833093731029171798691840.010737418240.00.28958330937310290.00.2895833093731029MMADTrue计算Bound瓶颈在 Cube 计算: 已接近理论算力上限, 检查是否有冗余计算 (MergeBatch 交叉项) 可消除
40b8_m16_n7168_k1536881671681536bf16bf16bf16FalseFalseFalseTrue0b8_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1765539843932160.000110346247.561846153846153e-080.000110421858461538460.00.02818572288.05.799531456790123e-060.00.02.566079254079254e-070.000110421858461538462.566079254079254e-070.00011067846638694638MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
41b64_m1024_n7168_k71686464102471687168bf16bf16bf16FalseFalseFalseTrue0b64_m1024_n7168_k7168ASW_BasicAscend950PRbatch_mat_mul_v33216411B->M->N线性映射+ASW滑窗蛇形(W=4)0117617671682561双缓冲驻留当前tile输入17617680allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A0111000492True2L2场景: B_单batch输入驻留(整case超L2, 输出直写GM) (V_in=7168.0MB, V_out=896.0MB, L2=128MB), GM首读倍率=1.00; 尾轮: r=0 无尾轮7516192768.0704643072000.004697620480.0135508283076923080.0182484487876923080.00.06734508720128.00.0138570138274238699395240960.000587202560.00.0188356513476923070.00.018835651347692307MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
42b32_m8192_n8192_k71683232819281927168bf16bf16bf16FalseFalseFalseTrue0b32_m8192_n8192_k7168ASW_BasicAscend950PRbatch_mat_mul_v332147471B->M->N线性映射+ASW滑窗蛇形(W=4)0117617671682561双缓冲驻留当前tile输入17617680allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A01110002209True2L2场景: C_单batch输入超L2分组执行(组间落空回GM) (V_in=7168.0MB, V_out=4096.0MB, L2=128MB), GM首读倍率=2.00; 尾轮: r=0 无尾轮15032385536.00.00.009395240960.00.009395240960.00.030786325577728.00.0633463489253662542949672960.002684354560.00.063346348925366250.00.06334634892536625MMADTrue计算Bound瓶颈在 Cube 计算: 已接近理论算力上限, 检查是否有冗余计算 (MergeBatch 交叉项) 可消除
43b8_m4096_n4096_k1288840964096128bf16bf16bf16FalseFalseFalseTrue0b8_m4096_n4096_k128ASW_BasicAscend950PRbatch_mat_mul_v332124241B->M->N线性映射+ASW滑窗蛇形(W=4)011761761281281双缓冲驻留当前tile输入17617680allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A0111000144True2L2场景: B_单batch输入驻留(整case超L2, 输出直写GM) (V_in=16.0MB, V_out=256.0MB, L2=128MB), GM首读倍率=1.00; 尾轮: r=0 无尾轮16777216.03858759681.048576e-057.420691692307692e-058.469267692307693e-050.00.034359738368.07.06990501399177e-052684354560.000167772160.00.00025246483692307690.00.0002524648369230769MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争
44b128_m8192_n8192_k7168128128819281927168bf16bf16bf16FalseFalseFalseTrue0b128_m8192_n8192_k7168ASW_BasicAscend950PRbatch_mat_mul_v332147471B->M->N线性映射+ASW滑窗蛇形(W=4)0117617671682561双缓冲驻留当前tile输入17617680allocate(输入驻留L2吸收重复读)direct_gm(输出直写GM, 输入优先驻留L2)40A01110008836True2L2场景: C_单batch输入超L2分组执行(组间落空回GM) (V_in=28672.0MB, V_out=16384.0MB, L2=128MB), GM首读倍率=2.00; 尾轮: r=0 无尾轮60129542144.00.00.037580963840.00.037580963840.00.0123145302310912.00.253385395701465171798691840.010737418240.00.2533853957014650.00.253385395701465MMADTrue计算Bound瓶颈在 Cube 计算: 已接近理论算力上限, 检查是否有冗余计算 (MergeBatch 交叉项) 可消除
45special_k1_b64646481925121bf16bf16bf16FalseFalseFalseTrue0special_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)11141120.06.9632e-070.06.9632e-070.00.0268435456.09.92969696969697e-065368709120.000335544320.00.000336240639999999960.00.00033624063999999996MTE2True访存Bound(GM读写共享+L2重复读)瓶颈在 MTE2 搬移链 (GM 读写共享总线 + L2 重复读): 可增大 tile 提升 dValue/单核搬移量、利用 L2 驻留吸收重复读 (ASW swizzle/分组方向), 或评估输出驻留 L2 以减少 GM 直写与读竞争