injective.h

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 * to you under the Apache License, Version 2.0 (the
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#ifndef TVM_TOPI_X86_INJECTIVE_H_
#define TVM_TOPI_X86_INJECTIVE_H_
 
#include <tvm/target/generic_func.h>
#include <tvm/te/operation.h>
#include <tvm/topi/detail/fuse.h>
#include <tvm/topi/tags.h>
 
namespace tvm {
namespace topi {
 
using namespace tvm::te;
 
namespace x86 {
 
inline Schedule schedule_injective_from_existing(Schedule sch, const Tensor& out) {
  auto axis = sch[out]->op.as<ComputeOpNode>()->axis;
  if (axis.size() == 4) {
    auto n = axis[0];
    auto c = axis[1];
    auto fused = detail::Fuse(sch[out], {n, c});  // for nhwc layout, fuse n and h
    sch[out].parallel(fused);
  } else if (!axis.empty()) {
    sch[out].parallel(axis[0]);
  }
  return sch;
}
 
inline Schedule schedule_injective(const Target& target, const Array<Tensor>& outs) {
  Array<Operation> out_ops;
  for (auto t : outs) {
    out_ops.push_back(t->op);
  }
  auto s = create_schedule(out_ops);
  tvm::te::AutoInlineInjective(s);
 
  auto x = outs[0];
  schedule_injective_from_existing(s, x);
 
  return s;
}
 
}  // namespace x86
}  // namespace topi
}  // namespace tvm
#endif  // TVM_TOPI_X86_INJECTIVE_H_