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[MetaSchedule][Bugfix] Feature: Strides of buffer access #12331

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Merged
junrushao merged 2 commits into from
Aug 9, 2022
Merged

[MetaSchedule][Bugfix] Feature: Strides of buffer access #12331

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a08d9aa
minor bug fix
Kathryn-cat Aug 6, 2022
cf3bd77
small tix
Kathryn-cat Aug 9, 2022
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4 changes: 2 additions & 2 deletions src/meta_schedule/feature_extractor/per_store_feature.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -885,7 +885,7 @@ void Feature::SubFeature::SetStride(const LoopNest& loop_nest, arith::Analyzer*
// Calculate this->prod
int64_t& prod = this->prod_non_strided_loop_extent = 1;
for (int j = n_loops - 1; j > i; --j) {
if (const int64_t* extent = GetLoopIntExtent(loops[n_loops - 1])) {
if (const int64_t* extent = GetLoopIntExtent(loops[j])) {
prod *= *extent;
}
}
Expand All @@ -894,7 +894,7 @@ void Feature::SubFeature::SetStride(const LoopNest& loop_nest, arith::Analyzer*
void Feature::SubFeature::SetReuse(const LoopNest& loop_nest, int64_t top_loop_touch_bytes,
const ForBufferMap<IntVec>& buffer_touched_under_loop) {
const BufferNode* buffer = this->buffer;
// Step 0. Collect all `Var`s that appears in the buffer region
// Step 3.1. Collect all `Var`s that appears in the buffer region
std::unordered_set<const VarNode*> region_vars;
for (const MultiIndex& multi_index : this->multi_indices) {
for (const PrimExpr& index : multi_index) {
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