SetBLayout

功能说明

调用IterateBatch接口之前，需要在host侧Tiling实现中通过本接口设置B矩阵的Layout轴信息，包括B、S、N、G、D轴。

函数原型

1

int32_t SetBLayout(int32_t B, int32_t S, int32_t N, int32_t G, int32_t D)

参数说明

返回值

-1表示设置失败； 0表示设置成功。

注意事项

无

调用示例

auto ascendcPlatform = platform_ascendc::PlatformAscendC(context->GetPlatformInfo())
matmul_tiling::MultiCoreMatmulTiling tiling(ascendcPlatform);   
int32_t M = 32;
int32_t N = 256;
int32_t K = 64;
tiling->SetDim(1);
tiling->SetAType(matmul_tiling::TPosition::GM, matmul_tiling::CubeFormat::ND, matmul_tiling::DataType::DT_FLOAT16);
tiling->SetBType(matmul_tiling::TPosition::GM, matmul_tiling::CubeFormat::ND, matmul_tiling::DataType::DT_FLOAT16);
tiling->SetCType(matmul_tiling::TPosition::GM, matmul_tiling::CubeFormat::ND, matmul_tiling::DataType::DT_FLOAT);
tiling->SetBiasType(matmul_tiling::TPosition::GM, matmul_tiling::CubeFormat::ND, matmul_tiling::DataType::DT_FLOAT);
tiling->SetShape(M, N, K);
tiling->SetOrgShape(M, N, K);
tiling->SetBias(true);
tiling->SetBufferSpace(-1, -1, -1);

constexpr int32_t A_BNUM = 2;
constexpr int32_t A_SNUM = 32;
constexpr int32_t A_GNUM = 3;
constexpr int32_t A_DNUM = 64;
constexpr int32_t B_BNUM = 2;
constexpr int32_t B_SNUM = 256;
constexpr int32_t B_GNUM = 3;
constexpr int32_t B_DNUM = 64;
constexpr int32_t C_BNUM = 2;
constexpr int32_t C_SNUM = 32;
constexpr int32_t C_GNUM = 3;
constexpr int32_t C_DNUM = 256;
constexpr int32_t BATCH_NUM = 3;
tiling->SetALayout(A_BNUM, A_SNUM, 1, A_GNUM, A_DNUM);
tiling->SetBLayout(B_BNUM, B_SNUM, 1, B_GNUM, B_DNUM);  // 设置B矩阵排布
tiling->SetCLayout(C_BNUM, C_SNUM, 1, C_GNUM, C_DNUM);
tiling->SetBatchNum(BATCH_NUM);
tiling->SetBufferSpace(-1, -1, -1);

optiling::TCubeTiling tilingData;
int ret = tiling.GetTiling(tilingData);