108 lines
4.0 KiB
MLIR
108 lines
4.0 KiB
MLIR
//--------------------------------------------------------------------------------------------------
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// WHEN CREATING A NEW TEST, PLEASE JUST COPY & PASTE WITHOUT EDITS.
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//
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// Set-up that's shared across all tests in this directory. In principle, this
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// config could be moved to lit.local.cfg. However, there are downstream users that
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// do not use these LIT config files. Hence why this is kept inline.
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//
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// DEFINE: %{sparsifier_opts} = enable-runtime-library=true
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// DEFINE: %{sparsifier_opts_sve} = enable-arm-sve=true %{sparsifier_opts}
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// DEFINE: %{compile} = mlir-opt %s --sparsifier="%{sparsifier_opts}"
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// DEFINE: %{compile_sve} = mlir-opt %s --sparsifier="%{sparsifier_opts_sve}"
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// DEFINE: %{run_libs} = -shared-libs=%mlir_c_runner_utils,%mlir_runner_utils
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// DEFINE: %{run_opts} = -e main -entry-point-result=void
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// DEFINE: %{run} = mlir-cpu-runner %{run_opts} %{run_libs}
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// DEFINE: %{run_sve} = %mcr_aarch64_cmd --march=aarch64 --mattr="+sve" %{run_opts} %{run_libs}
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//
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// DEFINE: %{env} =
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//--------------------------------------------------------------------------------------------------
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// RUN: %{compile} | %{run} | FileCheck %s
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//
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// Do the same run, but now with direct IR generation.
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// REDEFINE: %{sparsifier_opts} = enable-runtime-library=false
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// RUN: %{compile} | %{run} | FileCheck %s
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//
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// Do the same run, but now with vectorization.
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// REDEFINE: %{sparsifier_opts} = enable-runtime-library=false vl=4
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// RUN: %{compile} | %{run} | FileCheck %s
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//
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// Do the same run, but now with VLA vectorization.
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// RUN: %if mlir_arm_sve_tests %{ %{compile_sve} | %{run_sve} | FileCheck %s %}
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#CSR = #sparse_tensor.encoding<{ map = (d0, d1) -> (d0 : dense, d1 : compressed) }>
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#trait_scale = {
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indexing_maps = [
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affine_map<(i,j) -> (i,j)> // X (out)
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],
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iterator_types = ["parallel", "parallel"],
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doc = "X(i,j) = X(i,j) * 2"
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}
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//
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// Integration test that lowers a kernel annotated as sparse to actual sparse
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// code, initializes a matching sparse storage scheme from a dense tensor,
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// and runs the resulting code with the JIT compiler.
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//
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module {
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//
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// A kernel that scales a sparse matrix A by a factor of 2.0.
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//
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func.func @sparse_scale(%argx: tensor<8x8xf32, #CSR>) -> tensor<8x8xf32, #CSR> {
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%c = arith.constant 2.0 : f32
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%0 = linalg.generic #trait_scale
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outs(%argx: tensor<8x8xf32, #CSR>) {
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^bb(%x: f32):
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%1 = arith.mulf %x, %c : f32
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linalg.yield %1 : f32
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} -> tensor<8x8xf32, #CSR>
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return %0 : tensor<8x8xf32, #CSR>
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}
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//
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// Main driver that converts a dense tensor into a sparse tensor
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// and then calls the sparse scaling kernel with the sparse tensor
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// as input argument.
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//
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func.func @main() {
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%c0 = arith.constant 0 : index
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%f0 = arith.constant 0.0 : f32
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// Initialize a dense tensor.
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%0 = arith.constant dense<[
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[1.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0],
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[0.0, 2.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
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[0.0, 0.0, 3.0, 0.0, 0.0, 0.0, 0.0, 0.0],
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[0.0, 0.0, 0.0, 4.0, 0.0, 0.0, 0.0, 0.0],
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[0.0, 1.0, 0.0, 0.0, 5.0, 0.0, 0.0, 0.0],
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[0.0, 1.0, 1.0, 0.0, 0.0, 6.0, 0.0, 0.0],
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[0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 7.0, 1.0],
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[0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 8.0]
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]> : tensor<8x8xf32>
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// Convert dense tensor to sparse tensor and call sparse kernel.
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%1 = sparse_tensor.convert %0 : tensor<8x8xf32> to tensor<8x8xf32, #CSR>
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%2 = call @sparse_scale(%1)
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: (tensor<8x8xf32, #CSR>) -> tensor<8x8xf32, #CSR>
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// Print the resulting compacted values for verification.
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//
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// CHECK: ---- Sparse Tensor ----
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// CHECK-NEXT: nse = 16
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// CHECK-NEXT: dim = ( 8, 8 )
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// CHECK-NEXT: lvl = ( 8, 8 )
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// CHECK-NEXT: pos[1] : ( 0, 3, 4, 5, 6, 8, 11, 14, 16
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// CHECK-NEXT: crd[1] : ( 0, 2, 7, 1, 2, 3, 1, 4, 1, 2, 5, 2, 6, 7, 2, 7
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// CHECK-NEXT: values : ( 2, 2, 2, 4, 6, 8, 2, 10, 2, 2, 12, 2, 14, 2, 2, 16
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// CHECK-NEXT: ----
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//
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sparse_tensor.print %2 : tensor<8x8xf32, #CSR>
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// Release the resources.
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bufferization.dealloc_tensor %1 : tensor<8x8xf32, #CSR>
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return
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}
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}
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