54 lines
2.0 KiB
C++
54 lines
2.0 KiB
C++
//===-- MemorySizeDistributions ---------------------------------*- C++ -*-===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// Memory functions operate on buffers of certain sizes. This file provides
|
|
// probability distributions observed at runtime for a set of applications.
|
|
// These distributions are used to benchmark and compare memory functions
|
|
// implementations.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_LIBC_BENCHMARKS_MEMORYSIZEDISTRIBUTIONS_H
|
|
#define LLVM_LIBC_BENCHMARKS_MEMORYSIZEDISTRIBUTIONS_H
|
|
|
|
#include <llvm/ADT/ArrayRef.h>
|
|
#include <llvm/ADT/StringRef.h>
|
|
|
|
namespace llvm {
|
|
namespace libc_benchmarks {
|
|
|
|
/// A simple POD exposing caracteristics of a memory function size
|
|
/// distributions. The underlying data is immutable.
|
|
struct MemorySizeDistribution {
|
|
StringRef Name; // The name of the distribution.
|
|
ArrayRef<double> Probabilities; // Size indexed array of probabilities.
|
|
};
|
|
|
|
/// Returns a list of memmove size distributions.
|
|
ArrayRef<MemorySizeDistribution> getMemmoveSizeDistributions();
|
|
|
|
/// Returns a list of memcpy size distributions.
|
|
ArrayRef<MemorySizeDistribution> getMemcpySizeDistributions();
|
|
|
|
/// Returns a list of memset size distributions.
|
|
ArrayRef<MemorySizeDistribution> getMemsetSizeDistributions();
|
|
|
|
/// Returns a list of memcmp size distributions.
|
|
ArrayRef<MemorySizeDistribution> getMemcmpSizeDistributions();
|
|
|
|
/// Returns the first MemorySizeDistribution from Distributions with the
|
|
/// specified Name.
|
|
MemorySizeDistribution
|
|
getDistributionOrDie(ArrayRef<MemorySizeDistribution> Distributions,
|
|
StringRef Name);
|
|
|
|
} // namespace libc_benchmarks
|
|
} // namespace llvm
|
|
|
|
#endif // LLVM_LIBC_BENCHMARKS_MEMORYSIZEDISTRIBUTIONS_H
|