1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
#pragma once
#include <atomic>
#include <memory>
#include <torch/csrc/jit/runtime/interpreter/code_impl.h>
#include <torch/csrc/jit/runtime/profiling_record.h>
namespace torch {
namespace jit {
namespace interpreter {
// A Frame captures function's state
// (e.g. `pc` and `base_pointer`)
// Each Frame corresponds to a call to a `Frame::function`
// which has not yet returned
// The arguments for `Frame::function`
// are located at [base_pointer + arg_number]
struct Frame {
std::shared_ptr<CodeImpl> function;
// program counter corresponds to the index
// of the currently executed instruction
size_t pc;
// marks the start index of the frame
// base_pointer is used by TAIL_CALL
// to replace the current frame
// with a frame of a bailout graph
size_t base_pointer;
// unique to every frame with prim::profile across all threads
c10::optional<size_t> id;
// RecordFunction object associated with this frame
std::unique_ptr<at::RecordFunction> record_function;
// symbol table for a frame
ShapeSymbolTable symbols2dims;
static size_t genId();
};
} // namespace interpreter
} // namespace jit
} // namespace torch
|
