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Support Half/BFloat16 in stack #7894

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Merged
swolchok merged 1 commit into from
Jan 28, 2025
Merged

Support Half/BFloat16 in stack #7894

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19 changes: 9 additions & 10 deletions kernels/portable/cpu/op_stack.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -55,21 +55,20 @@ Tensor& stack_out(
const size_t ninputs = tensors.size();

const auto out_type = out.scalar_type();
ET_SWITCH_REAL_TYPES_AND(Bool, out_type, ctx, "stack.out", CTYPE_OUT, [&] {
ET_SWITCH_REALHBBF16_TYPES(out_type, ctx, "stack.out", CTYPE_OUT, [&] {
CTYPE_OUT* out_ptr = out.mutable_data_ptr<CTYPE_OUT>();
for (size_t i = 0; i < outer; ++i) {
for (size_t j = 0; j < ninputs; ++j) {
const auto in_type = tensors[j].scalar_type();
ET_SWITCH_REAL_TYPES_AND(
Bool, in_type, ctx, "stack.out", CTYPE_IN, [&] {
const CTYPE_IN* const in_ptr =
tensors[j].const_data_ptr<CTYPE_IN>() + i * inner;
ET_SWITCH_REALHBBF16_TYPES(in_type, ctx, "stack.out", CTYPE_IN, [&] {
const CTYPE_IN* const in_ptr =
tensors[j].const_data_ptr<CTYPE_IN>() + i * inner;

for (size_t k = 0; k < inner; ++k) {
out_ptr[k] = static_cast<CTYPE_OUT>(in_ptr[k]);
}
out_ptr += inner;
});
for (size_t k = 0; k < inner; ++k) {
out_ptr[k] = static_cast<CTYPE_OUT>(in_ptr[k]);
}
out_ptr += inner;
});
}
}
});
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2 changes: 1 addition & 1 deletion kernels/test/op_stack_test.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -276,7 +276,7 @@ TEST_F(OpStackOutTest, InsertEnd) {
/// zeros().
TEST_F(OpStackOutTest, AllDtypesSupported) {
#define TEST_ENTRY(ctype, dtype) test_dtype<ctype, ScalarType::dtype>();
ET_FORALL_REAL_TYPES_AND(Bool, TEST_ENTRY);
ET_FORALL_REALHBBF16_TYPES(TEST_ENTRY);
#undef TEST_ENTRY
// TODO: Also add tests for half, complex, quantized, and other types. Easiest
// way to do that would be to make TensorFactory support zeros() and ones()
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