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// DEFINE: %{option} = enable-runtime-library=true
// DEFINE: %{command} = mlir-opt %s --sparse-compiler=%{option} | \
// DEFINE: mlir-cpu-runner \
// DEFINE: -e entry -entry-point-result=void \
// DEFINE: -shared-libs=%mlir_c_runner_utils | \
// DEFINE: FileCheck %s
//
// RUN: %{command}
//
// Do the same run, but now with direct IR generation.
// REDEFINE: %{option} = enable-runtime-library=false
// RUN: %{command}
//
// Do the same run, but now with direct IR generation and vectorization.
// REDEFINE: %{option} = "enable-runtime-library=false vl=2 reassociate-fp-reductions=true enable-index-optimizations=true"
// RUN: %{command}
// UNSUPPORTED: target=aarch64{{.*}}
!Filename = !llvm.ptr<i8>
#SparseMatrix = #sparse_tensor.encoding<{
lvlTypes = [ "compressed", "compressed" ]
}>
#trait_sum_reduce = {
indexing_maps = [
affine_map<(i,j) -> (i,j)>, // A
affine_map<(i,j) -> ()> // x (out)
],
iterator_types = ["reduction", "reduction"],
doc = "x += A(i,j)"
}
module {
//
// A kernel that sum-reduces a matrix to a single scalar.
//
func.func @kernel_sum_reduce(%arga: tensor<?x?xbf16, #SparseMatrix>,
%argx: tensor<bf16>) -> tensor<bf16> {
%0 = linalg.generic #trait_sum_reduce
ins(%arga: tensor<?x?xbf16, #SparseMatrix>)
outs(%argx: tensor<bf16>) {
^bb(%a: bf16, %x: bf16):
%0 = arith.addf %x, %a : bf16
linalg.yield %0 : bf16
} -> tensor<bf16>
return %0 : tensor<bf16>
}
func.func private @getTensorFilename(index) -> (!Filename)
//
// Main driver that reads matrix from file and calls the sparse kernel.
//
func.func @entry() {
// Setup input sparse matrix from compressed constant.
%d = arith.constant dense <[
[ 1.1, 1.2, 0.0, 1.4 ],
[ 0.0, 0.0, 0.0, 0.0 ],
[ 3.1, 0.0, 3.3, 3.4 ]
]> : tensor<3x4xbf16>
%a = sparse_tensor.convert %d : tensor<3x4xbf16> to tensor<?x?xbf16, #SparseMatrix>
%d0 = arith.constant 0.0 : bf16
// Setup memory for a single reduction scalar,
// initialized to zero.
%x = tensor.from_elements %d0 : tensor<bf16>
// Call the kernel.
%0 = call @kernel_sum_reduce(%a, %x)
: (tensor<?x?xbf16, #SparseMatrix>, tensor<bf16>) -> tensor<bf16>
// Print the result for verification.
//
// CHECK: 13.5
//
%v = tensor.extract %0[] : tensor<bf16>
%vf = arith.extf %v: bf16 to f32
vector.print %vf : f32
// Release the resources.
bufferization.dealloc_tensor %a : tensor<?x?xbf16, #SparseMatrix>
return
}
}
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