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