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move __range_length and __derive_index to lite interpreter #40533

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move __range_length and __derive_index to lite interpreter #40533

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28 changes: 28 additions & 0 deletions torch/csrc/jit/runtime/register_prim_ops.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -308,6 +308,34 @@ RegisterOperators reg(
return 0;
},
aliasAnalysisFromSchema()),
// only used internally in range() translation
Operator(
"aten::__range_length(int lo, int hi, int step) -> int",
[](Stack& stack) {
int64_t lo, hi, step;
pop(stack, lo, hi, step);
// error handling when step_val = 0 during runtime
if (step == 0) {
throw std::runtime_error("range() arg 3 must not be zero");
}
if (step > 0 && lo < hi)
push(stack, 1 + (hi - 1 - lo) / step);
else if (step < 0 && lo > hi)
push(stack, 1 + (lo - 1 - hi) / (0 - step));
else
push(stack, 0);
return 0;
},
aliasAnalysisFromSchema()),
Operator(
"aten::__derive_index(int index, int start, int step) -> int",
[](Stack& stack) {
int64_t index, start, step;
pop(stack, index, start, step);
push(stack, start + index * step);
return 0;
},
aliasAnalysisFromSchema()),
// these ops are generic over the list element type.
// CREATING GENERIC_LIST_OPS
Operator(
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28 changes: 0 additions & 28 deletions torch/csrc/jit/runtime/register_prim_ops_fulljit.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1003,34 +1003,6 @@ RegisterOperators reg2({
// only used in loop unrolling, not exposed to end users
DEFINE_INT_OP(aten::__round_to_zero_floordiv, a / b),

// only used internally in range() translation
Operator(
"aten::__range_length(int lo, int hi, int step) -> int",
[](Stack& stack) {
int64_t lo, hi, step;
pop(stack, lo, hi, step);
// error handling when step_val = 0 during runtime
if (step == 0) {
throw std::runtime_error("range() arg 3 must not be zero");
}
if (step > 0 && lo < hi)
push(stack, 1 + (hi - 1 - lo) / step);
else if (step < 0 && lo > hi)
push(stack, 1 + (lo - 1 - hi) / (0 - step));
else
push(stack, 0);
return 0;
},
aliasAnalysisFromSchema()),
Operator(
"aten::__derive_index(int index, int start, int step) -> int",
[](Stack& stack) {
int64_t index, start, step;
pop(stack, index, start, step);
push(stack, start + index * step);
return 0;
},
aliasAnalysisFromSchema()),
Operator(
"aten::modf(float a) -> (float, float)",
[](Stack& stack) {
Expand Down