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fix: Repair flaky TopK core test #2022

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Merged
merged 1 commit into from
Jun 14, 2023
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fix: Repair flaky TopK core test #2022

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13 changes: 12 additions & 1 deletion tests/core/conversion/converters/test_topk.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,18 @@ TEST(Converters, ATenTopKConvertsCorrectly) {
auto g = std::make_shared<torch::jit::Graph>();
torch::jit::parseIR(graph, g.get());

auto in = at::rand({10, 10, 100}, {at::kCUDA});
auto dim0 = 10, dim1 = 10, dim2 = 100;

// Initialize zero tensor to be filled with random indices along the final dimension
auto in = at::zeros({dim0, dim1, dim2}, {at::kCUDA});

// For each final dimension, fill it with random scramble of unique integers in the range [0, dim0*dim1*dim2)
for (auto i = 0; i < dim0; i++) {
for (auto j = 0; j < dim1; j++) {
auto random_index_permutation = at::randperm(dim0 * dim1 * dim2, c10::kInt, {}, at::kCUDA, {}).slice(0, 0, dim2);
in.slice(0, i, i + 1).slice(1, j, j + 1) = random_index_permutation;
}
}

auto params = torch_tensorrt::core::ir::get_static_params(g->inputs(), {});
auto jit_results = torch_tensorrt::tests::util::RunGraph(g, params, {in});
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