diff --git a/mlir/include/mlir/ExecutionEngine/CRunnerUtils.h b/mlir/include/mlir/ExecutionEngine/CRunnerUtils.h index 76b04145b482e..812f719e723eb 100644 --- a/mlir/include/mlir/ExecutionEngine/CRunnerUtils.h +++ b/mlir/include/mlir/ExecutionEngine/CRunnerUtils.h @@ -482,10 +482,16 @@ extern "C" MLIR_CRUNNERUTILS_EXPORT double rtclock(); //===----------------------------------------------------------------------===// // Uses a seed to initialize a random generator and returns the generator. extern "C" MLIR_CRUNNERUTILS_EXPORT void *rtsrand(uint64_t s); -// Returns a random number in the range of [0, m). -extern "C" MLIR_CRUNNERUTILS_EXPORT uint64_t rtrand(void *, uint64_t m); +// Uses a random number generator g and returns a random number +// in the range of [0, m). +extern "C" MLIR_CRUNNERUTILS_EXPORT uint64_t rtrand(void *g, uint64_t m); // Deletes the random number generator. -extern "C" MLIR_CRUNNERUTILS_EXPORT void rtdrand(void *); +extern "C" MLIR_CRUNNERUTILS_EXPORT void rtdrand(void *g); +// Uses a random number generator g and std::shuffle to modify mref +// in place. Memref mref will be a permutation of all numbers +// in the range of [0, size of mref). +extern "C" MLIR_CRUNNERUTILS_EXPORT void +_mlir_ciface_shuffle(StridedMemRefType *mref, void *g); //===----------------------------------------------------------------------===// // Runtime support library to allow the use of std::sort in MLIR program. diff --git a/mlir/lib/ExecutionEngine/CRunnerUtils.cpp b/mlir/lib/ExecutionEngine/CRunnerUtils.cpp index e28e75eb11030..48e4b8cd88b58 100644 --- a/mlir/lib/ExecutionEngine/CRunnerUtils.cpp +++ b/mlir/lib/ExecutionEngine/CRunnerUtils.cpp @@ -31,6 +31,7 @@ #include #include #include +#include #include #include @@ -176,6 +177,17 @@ extern "C" void rtdrand(void *g) { delete generator; } +extern "C" void _mlir_ciface_shuffle(StridedMemRefType *mref, + void *g) { + assert(mref); + assert(mref->strides[0] == 1); // consecutive + std::mt19937 *generator = static_cast(g); + uint64_t s = mref->sizes[0]; + uint64_t *data = mref->data + mref->offset; + std::iota(data, data + s, 0); + std::shuffle(data, data + s, *generator); +} + #define IMPL_STDSORT(VNAME, V) \ extern "C" void _mlir_ciface_stdSort##VNAME(uint64_t n, \ StridedMemRefType *vref) { \ diff --git a/mlir/test/Integration/Dialect/SparseTensor/CPU/sparse_generate.mlir b/mlir/test/Integration/Dialect/SparseTensor/CPU/sparse_generate.mlir new file mode 100644 index 0000000000000..fcc16f5e9cb4f --- /dev/null +++ b/mlir/test/Integration/Dialect/SparseTensor/CPU/sparse_generate.mlir @@ -0,0 +1,95 @@ +//-------------------------------------------------------------------------------------------------- +// WHEN CREATING A NEW TEST, PLEASE JUST COPY & PASTE WITHOUT EDITS. +// +// Set-up that's shared across all tests in this directory. In principle, this +// config could be moved to lit.local.cfg. However, there are downstream users that +// do not use these LIT config files. Hence why this is kept inline. +// +// DEFINE: %{sparsifier_opts} = enable-runtime-library=true +// DEFINE: %{sparsifier_opts_sve} = enable-arm-sve=true %{sparsifier_opts} +// DEFINE: %{compile} = mlir-opt %s --sparsifier="%{sparsifier_opts}" +// DEFINE: %{compile_sve} = mlir-opt %s --sparsifier="%{sparsifier_opts_sve}" +// DEFINE: %{run_libs} = -shared-libs=%mlir_c_runner_utils,%mlir_runner_utils +// DEFINE: %{run_opts} = -e entry -entry-point-result=void +// DEFINE: %{run} = mlir-cpu-runner %{run_opts} %{run_libs} +// DEFINE: %{run_sve} = %mcr_aarch64_cmd --march=aarch64 --mattr="+sve" %{run_opts} %{run_libs} +// +// DEFINE: %{env} = +//-------------------------------------------------------------------------------------------------- + +// RUN: %{compile} | %{run} | FileCheck %s + +// +// Integration test that generates a tensor with specified sparsity level. +// + +!Generator = !llvm.ptr +!Array = !llvm.ptr + +#SparseVector = #sparse_tensor.encoding<{ + map = (d0) -> (d0 : compressed) +}> + +module { + func.func private @rtsrand(index) -> (!Generator) + func.func private @rtrand(!Generator, index) -> (index) + func.func private @rtdrand(!Generator) -> () + func.func private @shuffle(memref, !Generator) -> () attributes { llvm.emit_c_interface } + + // + // Main driver. + // + func.func @entry() { + %c0 = arith.constant 0 : index + %c1 = arith.constant 1 : index + %f0 = arith.constant 0.0 : f64 + %c99 = arith.constant 99 : index + %c100 = arith.constant 100 : index + + // Set up input size and sparsity level. + %size = arith.constant 50 : index + %sparsity = arith.constant 90 : index + %zeros = arith.muli %size, %sparsity : index + %nz = arith.floordivsi %zeros, %c100 : index + %nse = arith.subi %size, %nz : index + + // Set up an empty vector. + %empty = tensor.empty(%size) : tensor + %zero_vec = linalg.fill ins(%f0 : f64) outs(%empty : tensor) -> tensor + + // Generate shuffled indices in the range of [0, %size). + %array = memref.alloc (%size) : memref + %g = func.call @rtsrand(%c0) : (index) ->(!Generator) + func.call @shuffle(%array, %g) : (memref, !Generator) -> () + + // Iterate through the number of nse indices to insert values. + %output = scf.for %iv = %c0 to %nse step %c1 iter_args(%iter = %zero_vec) -> tensor { + // Fetch the index to insert value from shuffled index array. + %val = memref.load %array[%iv] : memref + %idx = arith.index_cast %val : i64 to index + // Generate a random number from 1 to 100. + %ri0 = func.call @rtrand(%g, %c99) : (!Generator, index) -> (index) + %ri1 = arith.addi %ri0, %c1 : index + %r0 = arith.index_cast %ri1 : index to i64 + %fr = arith.uitofp %r0 : i64 to f64 + // Insert the random number to current index. + %out = tensor.insert %fr into %iter[%idx] : tensor + scf.yield %out : tensor + } + + %sv = sparse_tensor.convert %output : tensor to tensor + %n0 = sparse_tensor.number_of_entries %sv : tensor + + // Print the number of non-zeros for verification. + // + // CHECK: 5 + vector.print %n0 : index + + // Release the resources. + bufferization.dealloc_tensor %sv : tensor + memref.dealloc %array : memref + func.call @rtdrand(%g) : (!Generator) -> () + + return + } +}