// Copyright (c) the JPEG XL Project Authors. All rights reserved.

//

// Use of this source code is governed by a BSD-style

// license that can be found in the LICENSE file.

#include "lib/jxl/simd_util.h"

#include <cstddef>

#undef HWY_TARGET_INCLUDE

#define HWY_TARGET_INCLUDE "lib/jxl/simd_util.cc"

#include <hwy/foreach_target.h>

#include <hwy/highway.h>

HWY_BEFORE_NAMESPACE();

namespace jxl {

namespace HWY_NAMESPACE {

size_t MaxVectorSize() {

  HWY_FULL(float) df;

  return Lanes(df) * sizeof(float);

}

jxl::N_SSE4::MaxVectorSize()

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19

1.06M

size_t MaxVectorSize() {

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1.06M

  HWY_FULL(float) df;

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1.06M

  return Lanes(df) * sizeof(float);

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1.06M

}

jxl::N_AVX2::MaxVectorSize()

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19

1.61M

size_t MaxVectorSize() {

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1.61M

  HWY_FULL(float) df;

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1.61M

  return Lanes(df) * sizeof(float);

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1.61M

}

jxl::N_SSE2::MaxVectorSize()

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19

1.14M

size_t MaxVectorSize() {

20

1.14M

  HWY_FULL(float) df;

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1.14M

  return Lanes(df) * sizeof(float);

22

1.14M

}

// NOLINTNEXTLINE(google-readability-namespace-comments)

}  // namespace HWY_NAMESPACE

}  // namespace jxl

HWY_AFTER_NAMESPACE();

#if HWY_ONCE

namespace jxl {

HWY_EXPORT(MaxVectorSize);

size_t MaxVectorSize() {

  // Ideally HWY framework should provide us this value.

  // Less than ideal is to check all available targets and choose maximal.

  // As for now, we just ask current active target, assuming it won't change.

  return HWY_DYNAMIC_DISPATCH(MaxVectorSize)();

}

}  // namespace jxl

#endif