【CINN】Schedule simplify binding under static shape #69164
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… replace_simplify
… replace_simplify
liuruyan
changed the title
zyfncg
reviewed
Nov 15, 2024
| @@ -37,6 +38,9 @@ Expr PrecedingAxisToAbsOffset(const std::vector<Expr> &shape, | |||
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| Expr CastIfNeeded(Expr body, Type type); | |||
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| ir::IndexExpr MergeMulMod(SymbolicExprAnalyzer *analyzer, | |||
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| // Get outter loops of current loops. | ||
| Expr root = this->GetRootBlock(loop); | ||
| std::vector<Expr> outter_loops = GetLoopsOfExpr(loop, root); | ||
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| // TODO(liujinnan): Deal dynamic shape. | ||
| if (!ContainDynamicShape(root)) { | ||
| // Create an analyzer of outter loops and new fused loop. | ||
| std::vector<Expr> combine_loops = outter_loops; | ||
| combine_loops.push_back(new_node); | ||
| common::cas_intervals_t var_intervals_t = | ||
| common::CollectVarIntervalsOfExprs(combine_loops); | ||
| common::SymbolicExprAnalyzer ana{var_intervals_t}; | ||
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| // Simplify the bindings of new fused loop. | ||
| VLOG(4) << "Before SimplifyBindings in split, ir is:\n" << new_node; | ||
| common::SimplifyBlockBinding::SimplifyBindings(new_node, outter_loops, ana); | ||
| VLOG(4) << "After SimplifyBindings in split, ir is:\n" << new_node; | ||
| } |
zyfncg
approved these changes
Nov 18, 2024
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PR Category
CINN
PR Types
New features
Description
IsDynamicto determine whether the expression contains dynamic shape.Cast::Make, if it is IndexExpr and is converted to int64, avoid explicit cast and directly modify theIndexExprtype.IterExprsimplification process under static shape.IterExprTODO：Change name of simplify_corner_case.cc to simplify_special_case.cc
Pcard-67164