xref: /aosp_15_r20/external/pytorch/torch/csrc/jit/passes/frozen_graph_optimizations.cpp (revision da0073e96a02ea20f0ac840b70461e3646d07c45)
1 #include <c10/util/irange.h>
2 #include <torch/csrc/jit/ir/alias_analysis.h>
3 #include <torch/csrc/jit/ir/ir_views.h>
4 #include <torch/csrc/jit/passes/frozen_concat_linear.h>
5 #include <torch/csrc/jit/passes/frozen_conv_folding.h>
6 #include <torch/csrc/jit/passes/frozen_graph_optimizations.h>
7 #include <torch/csrc/jit/passes/frozen_linear_folding.h>
8 #include <torch/csrc/jit/passes/remove_dropout.h>
9 #include <torch/csrc/jit/runtime/graph_executor.h>
10 
11 namespace torch::jit {
12 
OptimizeFrozenGraph(std::shared_ptr<Graph> & graph,bool optimize_numerics)13 void OptimizeFrozenGraph(
14     std::shared_ptr<Graph>& graph,
15     bool optimize_numerics) {
16   removeDropout(graph);
17   FrozenConcatLinear(graph);
18   // run a couple times to capture Conv -> Mul -> Add etc
19   if (optimize_numerics) {
20     bool changed = false;
21     do {
22       changed = false;
23       changed |= FoldFrozenConvBatchnorm(graph);
24       changed |= FoldFrozenConvAddOrSub(graph);
25       changed |= FoldFrozenConvMulOrDiv(graph);
26       changed |= FoldFrozenLinearBatchnorm(graph);
27     } while (changed);
28   }
29 }
30 
31 } // namespace torch::jit
32