diff --git a/impl/matmul/tiling/matmul_tiling_algorithm.cpp b/impl/matmul/tiling/matmul_tiling_algorithm.cpp
index a4f9b40d84cda0c55af91ebd61262aa074484eec..208654488bcfdbaab94590ed7b9a416c741fed1d 100644
--- a/impl/matmul/tiling/matmul_tiling_algorithm.cpp
+++ b/impl/matmul/tiling/matmul_tiling_algorithm.cpp
@@ -450,13 +450,15 @@ void MatmulTilingAlgorithm::GetL0FactorsCand(L0Factors& resFactors, const CoreSt
                 if (k0 == 0 || minorDimFactor * k0 > minorDimK || majorDimFactor * k0 > majorDimK) {
                     continue;
                 }
+
                 // when k_axis <= 8, adjust k0_factor to 2, to generate tiling baseK align to 16
-                if (((tilingIns_->aType_.dataType == DataType::DT_FLOAT && tilingIns_->aType_.type == CubeFormat::NZ &&
+                if (((tilingIns_->aType_.dataType == DataType::DT_FLOAT &&
                     tilingIns_->aType_.isTrans) ||
-                    (tilingIns_->bType_.dataType == DataType::DT_FLOAT && tilingIns_->bType_.type == CubeFormat::NZ &&
+                    (tilingIns_->bType_.dataType == DataType::DT_FLOAT &&
                     !tilingIns_->bType_.isTrans)) && k0 == 1) {
                     k0 = NUM_TWO;
                 }
+
                 // Check if the buffer size allocated exceed the hardware buffer size in Float Mode
                 if (tilingIns_->aType_.dataType == DataType::DT_FLOAT) {
                     int32_t mL0 = majorDimFactor;
@@ -2982,13 +2984,13 @@ void MatmulTilingAlgorithm::CheckL0DB(SingleCoreStatus& singleCoreStatus, const
         tilingIns_->bType_.scalePos == TPosition::TSCM) {
         baseN = MathUtil::Align(singleCoreStatus.l0Status.nL0, L0_FACTOR_NUM_LIMIT) * C0_SIZE;
     }
-    if (baseM * baseK > tilingIns_->bufferPool_.l0ASize / DB_ON) {
+    if ((baseM * baseK * DTYPE_BIT_TAB.at(tilingIns_->aType_.dataType) / BITS_PER_BYTE) > (tilingIns_->bufferPool_.l0ASize / DB_ON)) {
         singleCoreStatus.l0Status.dbL0A = DB_OFF;
     }
-    if (baseN * baseK > tilingIns_->bufferPool_.l0BSize / DB_ON) {
+    if ((baseN * baseK * DTYPE_BIT_TAB.at(tilingIns_->bType_.dataType) / BITS_PER_BYTE) > (tilingIns_->bufferPool_.l0BSize / DB_ON)) {
         singleCoreStatus.l0Status.dbL0B = DB_OFF;
     }
-    if (baseM * baseN > tilingIns_->bufferPool_.l0CSize / DB_ON) {
+    if ((baseM * baseN * FP32_BYTES) > (tilingIns_->bufferPool_.l0CSize / DB_ON)) {
         singleCoreStatus.l0Status.dbL0C = DB_OFF;
     }
 }
@@ -3093,10 +3095,14 @@ void MatmulTilingAlgorithm::AdjustMxL0Factors(SingleCoreStatus& singleCoreStatus
 void MatmulTilingAlgorithm::AdjustB32L0Factors(SingleCoreStatus& singleCoreStatus) const 
 { 
     const int32_t reduceSize = C0_BYTE_SIZE / DTYPE_BIT_TAB.at(tilingIns_->aType_.dataType) * BITS_PER_BYTE; 
-    if ((tilingIns_->aType_.dataType == DataType::DT_FLOAT && tilingIns_->aType_.isTrans) || 
-        (tilingIns_->bType_.dataType == DataType::DT_FLOAT && !tilingIns_->bType_.isTrans)) { 
-        singleCoreStatus.l0Status.kL0 = MathUtil::Align(singleCoreStatus.l0Status.kL0 * reduceSize, C0_SIZE) / reduceSize; 
-    } 
+    if ((tilingIns_->aType_.dataType == DataType::DT_FLOAT && tilingIns_->aType_.isTrans) ||
+        (tilingIns_->bType_.dataType == DataType::DT_FLOAT && !tilingIns_->bType_.isTrans)) {
+        singleCoreStatus.l0Status.kL0 = MathUtil::Align(singleCoreStatus.l0Status.kL0 * reduceSize, C0_SIZE) / reduceSize;
+    }
+    int32_t baseK = 
+        singleCoreStatus.l0Status.kL0 * (C0_BYTE_SIZE / DTYPE_BIT_TAB.at(tilingIns_->aType_.dataType) * BITS_PER_BYTE);
+    // check L0A/L0B/L0CSize for L0DB
+    CheckL0DB(singleCoreStatus, baseK);
 }
 
 void MatmulTilingAlgorithm::AdjustMxL1Factors(SingleCoreStatus& singleCoreStatus, const int32_t k0Size) const