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gemma.cpp/compression/sfp_test.cc

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// Copyright 2023 Google LLC
// SPDX-License-Identifier: Apache-2.0
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// We use ConcatEven/Odd which are not supported. Use HWY_EMU128 instead.
#ifndef HWY_DISABLED_TARGETS
#define HWY_DISABLED_TARGETS HWY_SCALAR
#endif
#include "compression/sfp.h"
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <set>
#include "compression/test_util.h"
#include "hwy/aligned_allocator.h"
#include "hwy/base.h"
#include "hwy/timer.h"
// clang-format off
#undef HWY_TARGET_INCLUDE
#define HWY_TARGET_INCLUDE "compression/sfp_test.cc" // NOLINT
// clang-format on
#include "hwy/foreach_target.h" // IWYU pragma: keep
// Any highway.h must come after foreach_target.h
#include "compression/sfp-inl.h"
#include "hwy/highway.h"
#include "hwy/tests/hwy_gtest.h"
#include "hwy/tests/test_util-inl.h"
HWY_BEFORE_NAMESPACE();
namespace gcpp {
namespace HWY_NAMESPACE {
// Decode
float F32FromSFP8(uint32_t sfp) {
HWY_ASSERT(sfp < 256);
HWY_ASSERT(sfp != 0x80); // -0 is reserved
const uint32_t sign32 = (sfp & 0x80) << 24;
sfp &= 0x7F;
const bool large_e = sfp >= 64;
const size_t m_bits = large_e ? 3 : 2;
uint32_t m = sfp & ((1u << m_bits) - 1u);
size_t e = sfp >> m_bits;
if (sfp == 0) return 0.0f;
const uint32_t e_bias = large_e ? 15 : 23;
const uint32_t exp32 = static_cast<uint32_t>(127 + e - e_bias) << 23;
const uint32_t mnt32 = m << (23 - m_bits);
const uint32_t binary32 = sign32 | exp32 | mnt32;
float result;
hwy::CopySameSize(&binary32, &result);
return result;
}
// Used for HWY_AVX3_DL and newer.
void PrintTables() {
if (HWY_ONCE && false) {
uint8_t hi[128];
fprintf(stderr, "lo\n");
for (uint32_t sfp = 0; sfp < 128; ++sfp) {
const uint32_t u = hwy::BitCastScalar<uint32_t>(F32FromSFP8(sfp));
// Lower bits are zero, hence we can truncate instead of rounding to bf16.
HWY_ASSERT((u & 0xFFFF) == 0);
fprintf(stderr, "0x%02X,", (u >> 16) & 0xFF);
hi[sfp] = u >> 24;
}
fprintf(stderr, "\nhi\n");
for (uint32_t sfp = 0; sfp < 128; ++sfp) {
fprintf(stderr, "0x%02X,", hi[sfp]);
}
fprintf(stderr, "\n");
}
}
void TestAllUnique() {
std::set<float> unique;
for (uint32_t sfp = 0; sfp < 256; ++sfp) {
if (sfp == 0x80) continue; // -0 is reserved
unique.insert(F32FromSFP8(sfp));
}
HWY_ASSERT_EQ(size_t{255}, unique.size());
if (false) {
for (float f : unique) {
fprintf(stderr, "%e\n", f);
}
}
}
// ------------------------------ Foreach compressed representation
// Encode
HWY_INLINE uint32_t SFP8FromF32(float f) {
HWY_ASSERT(-1.875f <= f && f <= 1.875f);
constexpr uint32_t kMaskM = hwy::MantissaMask<float>();
uint32_t binary32;
hwy::CopySameSize(&f, &binary32);
const uint32_t s = (binary32 & hwy::SignMask<float>()) >> 24;
binary32 &= ~hwy::SignMask<float>();
f = hwy::ScalarAbs(f);
// >= 1.1111 * 2^-8 rounds up to 1.0*2^-7.
bool large_e = (f >= 0.007568359375f);
const uint32_t org_binary32 = binary32;
const uint32_t m32 = binary32 & kMaskM;
binary32 = (binary32 & ~kMaskM) | m32;
size_t m_bits = large_e ? 3 : 2;
const uint32_t is_odd = (m32 >> (23 - m_bits)) & 1;
const uint32_t round = is_odd + (1u << (23 - m_bits - 1)) - 1;
const uint32_t rounded = binary32 + round;
// >= 1.111 also rounds up, but only if it was considered !large_e before.
if (f >= 0.00732421875f) {
large_e = true;
m_bits = 3;
}
uint32_t m = (kMaskM & rounded) >> (23 - m_bits);
int32_t e = (rounded >> 23) - 127;
if (e <= -23) {
// 2^-23 is the smallest normal exponent. Zero has e = -127. Do not set the
// SFP sign bit because the encoding for -0 is reserved.
if (e < -23) return 0;
// e = 2^-23: round up mantissa because m=0 encodes 0.0f.
if (m == 0) m = 1;
}
if (false) {
fprintf(stderr, "in %x round %x rounded %x e %d m %x large_e %d\n",
org_binary32, round, rounded, e, m, large_e);
}
uint32_t e_sfp = e + (large_e ? 15 : 23);
HWY_ASSERT(e_sfp < 16);
const uint32_t encoded = (e_sfp << m_bits) | m | s;
HWY_ASSERT(encoded < 256);
return encoded;
}
// For every possible encoding: ensure re-encoding the decoded value matches it.
struct TestDecEnc {
template <class T, class D>
HWY_INLINE void operator()(T /*unused*/, D d) {
const hn::RepartitionToWide<D> d16;
const hn::Rebind<hwy::bfloat16_t, decltype(d16)> dbf;
const hn::Repartition<float, D> df;
for (uint32_t encoded = 0; encoded < 256; ++encoded) {
if (encoded == 0x80) continue; // -0 is reserved
const float decoded = F32FromSFP8(encoded);
const uint32_t encoded2 = SFP8FromF32(decoded);
hn::Vec<D> dec_lo, dec_hi;
SfpCodec::DecBytes(d, hn::Set(d, encoded), dec_lo, dec_hi);
const hn::Vec<decltype(dbf)> dec =
hn::BitCast(dbf, hn::ZipLower(d16, dec_lo, dec_hi));
const float vdecoded = hn::GetLane(hn::PromoteLowerTo(df, dec));
const uint32_t vencoded2 =
hn::GetLane(SfpCodec::EncBytes(d, dec_lo, dec_hi));
if (decoded != vdecoded || encoded2 != vencoded2 || encoded != encoded2) {
HWY_ABORT("enc %u -> dec %E=%x=%E -> enc %u %u\n", encoded, decoded,
hwy::BitCastScalar<uint32_t>(decoded), vdecoded, encoded2,
vencoded2);
}
}
}
};
void TestAllDecEnc() { hn::ForGEVectors<32, TestDecEnc>()(uint8_t()); }
// ------------------------------ Golden (known values)
// Generate values, encode, decode back to that value.
struct TestGolden {
template <class T, class D>
HWY_INLINE void operator()(T /*unused*/, D d) {
const hn::Repartition<float, D> df;
const hn::Repartition<hwy::bfloat16_t, D> dbf;
const hn::RebindToUnsigned<decltype(dbf)> d16;
struct Golden {
float in;
float out;
};
const Golden golden[] = {
// All mantissa bits set, all discarded zero (no rounding)
{0.46875f, 0.46875f},
{0.9375f, 0.9375f},
// All mantissa bits set, one below it set (round up to pow2)
{0.484375f, 0.5f},
{0.96875f, 1.0f},
// Lowest mantissa bit set, all discarded zero (no rounding)
{0.28125f, 0.28125f},
{0.5625f, 0.5625f},
// Lowest mantissa bit set, one below it set (round up to even)
{0.296875f, 0.3125f},
{0.59375f, 0.625f},
// All mantissa zero, all discarded set (round up)
{0.279296875f, 0.28125f},
{0.55859375f, 0.5625f},
// All mantissa zero, one below it set (round DOWN to pow2)
{0.265625f, 0.25f},
{0.53125f, 0.5f},
// At inflection point: 1.max*2^-8 rounds up to 1.0*2^-7
{0.0068359375f, 0.0068359375f}, // 1.11 -> 1.11
{0.00732421875f, 0.0078125f}, // 1.111 -> 1.11[1] -> 1.0
{0.007568359375f, 0.0078125f}, // 1.1111 -> 1.0
// Above 1.0: no longer special-cased.
{1.0f, 1.0f},
{1.0625f, 1.0f}, // 1.000100
// Smallest normal exponents - we no longer use subnormals.
{2.384185791015625E-7f, 2.384185791015625E-7f}, // 1.00p-22
{1.49011611938E-07f, 1.49011611938E-07f}, // 1.01p-23
{1.19209289551E-07f, 1.49011611938E-07f}, // 1.00p-23 -> 1.01p-23
{5.96046447754E-08f, 0.0f}, // 1.00p-24 -> 0
{8.94069671631E-08f, 0.0f}, // 1.10p-24 -> 0
{1.11758708954E-07f, 1.49011611938E-07f}, // 1.111p-24-> 1.01p-23
// 1100_010 * 2^-7 rounds down to 110
{0.013841f, 0.013671875f},
};
constexpr size_t kNumGolden = sizeof(golden) / sizeof(Golden);
for (uint32_t s : {0, 1}) {
for (size_t i = 0; i < kNumGolden; ++i) {
const float in = s ? -golden[i].in : golden[i].in;
const float out = s ? -golden[i].out : golden[i].out;
const hn::Vec<decltype(dbf)> in_bf =
hn::OrderedDemote2To(dbf, hn::Set(df, in), hn::Set(df, in));
const uint32_t encoded = SFP8FromF32(in);
const uint32_t vencoded = hn::GetLane(SfpCodec::EncBytes(
d, hn::BitCast(d, in_bf),
hn::BitCast(d, hn::ShiftRight<8>(hn::BitCast(d16, in_bf)))));
const float decoded = F32FromSFP8(encoded);
hn::Vec<D> dec_lo, dec_hi;
SfpCodec::DecBytes(d, hn::Set(d, encoded), dec_lo, dec_hi);
const hn::Vec<decltype(dbf)> dec =
hn::BitCast(dbf, hn::ZipLower(d16, dec_lo, dec_hi));
const float vdecoded = hn::GetLane(hn::PromoteLowerTo(df, dec));
if (decoded != vdecoded || decoded != out || encoded != vencoded) {
HWY_ABORT("@%zu in %E dec %E %E golden %E\n", i, in, decoded,
vdecoded, golden[i].out);
}
} // i
} // s
}
};
void TestAllGolden() {
// Full vectors only, other tests cover partial vectors.
TestGolden()(uint8_t(), hn::ScalableTag<uint8_t>());
}
// ------------------------------ Foreach bf16 input
// Generate all values, encode, decode back.
struct TestEncDec {
template <class T, class DBF>
HWY_INLINE void operator()(T /*unused*/, DBF dbf) {
const hn::Repartition<uint8_t, DBF> du8;
// We only use the upper 4 of 7 bf16 mantissa bits, so force the lower three
// bits to zero to reduce the number of inputs.
constexpr size_t kStep = 8;
const size_t max = 0x8000 / 8;
auto in = hwy::AllocateAligned<T>(max);
auto packed = hwy::AllocateAligned<SfpStream>(max);
auto dec = hwy::AllocateAligned<T>(max);
HWY_ASSERT(in && packed && dec);
size_t num = 0;
for (size_t i = 0; i < max; ++i) {
const uint16_t bits = i * kStep;
const float f = hwy::F32FromBF16(hwy::BitCastScalar<T>(bits));
// Keep if within range
if (hwy::ScalarIsFinite(f) && f <= 1.875f) {
in[num] = hwy::BF16FromF32(f);
in[num + 1] = hwy::BF16FromF32(-f);
num += 2;
}
}
double enc_elapsed = hwy::HighestValue<double>();
double dec_elapsed = hwy::HighestValue<double>();
for (size_t rep = 0; rep < 100; ++rep) {
const double t0 = hwy::platform::Now();
SfpCodec::Enc(dbf, in.get(), num, packed.get());
const double t1 = hwy::platform::Now();
SfpCodec::Dec(dbf, packed.get(), num, dec.get());
const double t2 = hwy::platform::Now();
enc_elapsed = HWY_MIN(enc_elapsed, t1 - t0);
dec_elapsed = HWY_MIN(dec_elapsed, t2 - t1);
}
const double enc_mbs = num * sizeof(T) * 1E-6 / enc_elapsed;
const double dec_mbs = num * sizeof(T) * 1E-6 / dec_elapsed;
fprintf(stderr, "Vec size %zu Enc %.2f MB/s Dec %.2f MB/s\n", Lanes(du8),
enc_mbs, dec_mbs);
{
double sum = 0.0;
DistortionStats stats;
for (size_t i = 0; i < num; ++i) {
const float out = hwy::F32FromBF16(dec[i]);
sum += hwy::ConvertScalarTo<double>(hwy::ScalarAbs(in[i]));
stats.Notify(hwy::ConvertScalarTo<float>(in[i]), out);
}
const double avg_in = sum / num;
const double snr = stats.GeomeanValueDivL1();
const double wl1 = stats.WeightedAverageL1();
if (false) {
fprintf(stderr,
"Num inputs %zu, avg %.3E, exact %zu round0 %zu (sum %E) snr "
"%.2f wL1 %f\n",
num, avg_in, stats.NumExact(), stats.NumRoundedToZero(),
stats.SumL1Rounded(), snr, wl1);
}
HWY_ASSERT(stats.Original().Count() == stats.L1().Count());
// Inputs are in [-1.875, 1.875], symmetric, and heavy-tailed.
HWY_ASSERT(stats.Original().Min() == -1.875f);
HWY_ASSERT(stats.Original().Max() == 1.875f);
HWY_ASSERT(gcpp::IsInside(-1E-6, 1E-6, stats.Original().Mean()));
HWY_ASSERT(gcpp::IsInside(-1E-6, 1E-6, stats.Original().Skewness()));
HWY_ASSERT(gcpp::IsInside(80.0, 100.0, stats.Original().Kurtosis()));
// Absolute errors are in [0, 0.0625], and (heavy) right-tailed.
HWY_ASSERT(stats.L1().Min() == 0.0f);
HWY_ASSERT(stats.L1().Max() == 0.0625f);
HWY_ASSERT(gcpp::IsInside(4E-4, 5E-4, stats.L1().Mean()));
HWY_ASSERT(gcpp::IsInside(10.0, 15.0, stats.L1().Skewness()));
HWY_ASSERT(gcpp::IsInside(150.0, 200.0, stats.L1().Kurtosis()));
// SNR is low because many *tiny* numbers are rounded to zero.
HWY_ASSERT_EQ(3322, stats.NumRoundedToZero());
HWY_ASSERT(gcpp::IsInside(5E-6, 6E-6, stats.SumL1Rounded()));
HWY_ASSERT(gcpp::IsInside(1.880, 1.885, stats.SumL1()));
HWY_ASSERT_EQ(256, stats.NumExact());
HWY_ASSERT_EQ(0, stats.NumSignFlip());
HWY_ASSERT(gcpp::IsInside(2.70, 2.75, snr));
HWY_ASSERT(gcpp::IsInside(0.010, 0.011, wl1)); // = half of mean |x|.
}
}
};
void TestAllEncDec() { hn::ForGEVectors<32, TestEncDec>()(hwy::bfloat16_t()); }
// ------------------------------ Order
// Store 8-bit iota, decode, encode, check iota == packed. This ensures
// Enc/Dec are preserving the order independent of vector length.
struct TestOrder {
template <class T, class DBF>
HWY_INLINE void operator()(T /*unused*/, DBF dbf) {
const hn::Repartition<uint8_t, DBF> du8;
const size_t num = 10 * hn::Lanes(du8) / 3;
auto iota = hwy::AllocateAligned<SfpStream>(num);
auto packed = hwy::AllocateAligned<SfpStream>(num);
auto bf = hwy::AllocateAligned<hwy::bfloat16_t>(num);
HWY_ASSERT(iota && packed && bf);
for (size_t i = 0; i < num; ++i) {
// Clear sign bit so we can also check that bf is in ascending order.
iota[i].byte = i & 127;
}
SfpCodec::Dec(dbf, iota.get(), num, bf.get());
SfpCodec::Enc(dbf, bf.get(), num, packed.get());
for (size_t i = 0; i < num; ++i) {
if (iota[i].byte != packed[i].byte) {
HWY_ABORT("@%zu: %d %d\n", i, iota[i].byte, packed[i].byte);
}
}
}
};
void TestAllOrder() { hn::ForGEVectors<32, TestOrder>()(hwy::bfloat16_t()); }
// ------------------------------ Dot
struct TestDot {
template <typename T, class D>
HWY_INLINE void operator()(T /*unused*/, D d) {
const hn::Repartition<float, D> df;
const size_t num = 1024; // not too many for GeometricMean overflow.
const size_t N = hn::Lanes(d);
auto in = hwy::AllocateAligned<T>(num);
auto dec = hwy::AllocateAligned<T>(num);
auto vec = hwy::AllocateAligned<T>(num);
auto vec_eo = hwy::AllocateAligned<T>(num);
auto sfp = hwy::AllocateAligned<SfpStream>(num);
HWY_ASSERT(in && dec && vec && vec_eo && sfp);
// Generate inputs and verify their distribution.
hwy::RandomState rng;
Stats in_stats;
for (size_t i = 0; i < num; ++i) {
const float r = static_cast<float>(RandomGaussian(rng));
in_stats.Notify(r);
in[i] = hwy::ConvertScalarTo<T>(r);
}
for (size_t i = 0; i < num; ++i) {
const float r = static_cast<float>(RandomGaussian(rng));
in_stats.Notify(r);
vec[i] = hwy::ConvertScalarTo<T>(r);
}
VerifyGaussian(in_stats);
// Convert vec to even/odd for DotEO
for (size_t i = 0; i < num; i += 2 * N) {
hn::Vec<D> ve, vo;
hn::LoadInterleaved2(d, vec.get() + i, ve, vo);
hn::Store(ve, d, vec_eo.get() + i + 0);
hn::Store(vo, d, vec_eo.get() + i + N);
}
SfpCodec::Enc(d, in.get(), num, sfp.get());
// Compute dot product without decompression.
float actual = 0.0f;
float actual_eo = 0.0f;
double elapsed = hwy::HighestValue<double>();
double elapsed_eo = hwy::HighestValue<double>();
for (size_t rep = 0; rep < 200; ++rep) {
{
hn::Vec<decltype(df)> sum0 = hn::Zero(df);
hn::Vec<decltype(df)> sum1 = hn::Zero(df);
hn::Vec<decltype(df)> sum2 = hn::Zero(df);
hn::Vec<decltype(df)> sum3 = hn::Zero(df);
const double t0 = hwy::platform::Now();
SfpCodec::Dot(df, sfp.get(), num, vec.get(), sum0, sum1, sum2, sum3);
const double t1 = hwy::platform::Now();
elapsed = HWY_MIN(elapsed, t1 - t0);
sum0 = hn::Add(hn::Add(sum0, sum1), hn::Add(sum2, sum3));
actual = hn::ReduceSum(df, sum0);
}
{
hn::Vec<decltype(df)> sum0 = hn::Zero(df);
hn::Vec<decltype(df)> sum1 = hn::Zero(df);
hn::Vec<decltype(df)> sum2 = hn::Zero(df);
hn::Vec<decltype(df)> sum3 = hn::Zero(df);
const double t0 = hwy::platform::Now();
SfpCodec::DotEO(df, sfp.get(), num, vec_eo.get(), sum0, sum1, sum2,
sum3);
const double t1 = hwy::platform::Now();
elapsed_eo = HWY_MIN(elapsed_eo, t1 - t0);
sum0 = hn::Add(hn::Add(sum0, sum1), hn::Add(sum2, sum3));
actual_eo = hn::ReduceSum(df, sum0);
}
}
SfpCodec::Dec(d, sfp.get(), num, dec.get());
fprintf(stderr, "Vec %zu Dot %zu-bit %.2f ; %.2f MB/s\n",
Lanes(d) * sizeof(T), sizeof(T) * 8,
num * sizeof(T) * 1E-6 / elapsed,
num * sizeof(T) * 1E-6 / elapsed_eo);
// Exact and decompressed dot products for comparison.
float exact = 0.0f; // using original input
float expected = 0.0f; // using decoded SFP
DistortionStats dec_stats;
Stats ratios;
for (size_t i = 0; i < num; ++i) {
const float in1 = hwy::ConvertScalarTo<float>(in[i]);
const float dec1 = hwy::ConvertScalarTo<float>(dec[i]);
const float vec1 = hwy::ConvertScalarTo<float>(vec[i]);
dec_stats.Notify(in1, dec1);
exact += in1 * vec1;
expected += dec1 * vec1;
if (expected != 0.0f) {
ratios.Notify(exact / expected);
}
}
const bool isBF = sizeof(T) == 2;
const double dec_snr = dec_stats.GeomeanValueDivL1();
const double dec_wl1 = dec_stats.WeightedAverageL1();
const double dot_snr = 1.0 / hwy::ScalarAbs(1.0 - ratios.GeometricMean());
// exact and actual fluctuate due to the combination of SFP imprecision,
// and whether vec[i] is negative or positive, so this is quite loose.
const float final_ratio = HWY_MIN(exact / actual, actual / exact);
if (HWY_ONCE) {
fprintf(stderr, "ratios %s\n", ratios.ToString().c_str());
fprintf(stderr,
"exact %.3f e2 %.4f actual %.4f final_ratio %.3f dec_snr %.2f "
"dot_snr %.2f dec_wl1 %.5f\n",
exact, expected, actual, final_ratio, dec_snr, dot_snr, dec_wl1);
}
// Final values are not too far apart.
HWY_ASSERT(gcpp::IsInside(0.87f, 1.0f, final_ratio));
// Decompressed and uncompressed dot should match exactly.
HWY_ASSERT(gcpp::IsNear(expected, actual, 1E-4f));
// Even/odd dot should also match
HWY_ASSERT(gcpp::IsNear(actual, actual_eo, 1E-4f));
// Geomean of ratios for each i should be very close to one.
HWY_ASSERT(dot_snr >= (isBF ? 70.0 : 1000.0));
// dec[] is close to in[]. We also check that in TestEncDec, but for much
// smaller input magnitudes.
HWY_ASSERT(gcpp::IsNear(isBF ? 51.0 : 64.0, dec_snr, 1.0));
HWY_ASSERT(gcpp::IsNear(isBF ? 0.013 : 0.012, dec_wl1, 0.001));
HWY_ASSERT(gcpp::IsNear(isBF ? 6.2 : 6.3, dec_stats.SumL1(), 0.1));
HWY_ASSERT_EQ(0, dec_stats.NumSignFlip());
HWY_ASSERT_EQ(0, dec_stats.NumRoundedToZero());
HWY_ASSERT_EQ(0.0, dec_stats.SumL1Rounded());
// Absolute decode errors are in [0, 5E-2], and somewhat right-tailed.
HWY_ASSERT(gcpp::IsInside(0.0f, 2E-6f, dec_stats.L1().Min()));
HWY_ASSERT(gcpp::IsInside(3E-2f, 5E-2f, dec_stats.L1().Max()));
HWY_ASSERT(gcpp::IsInside(4E-3, 7E-3, dec_stats.L1().Mean()));
HWY_ASSERT(gcpp::IsInside(1.8, 1.9, dec_stats.L1().Skewness()));
HWY_ASSERT(gcpp::IsInside(6.0, 7.0, dec_stats.L1().Kurtosis()));
}
};
void TestAllDotF32() {
const hn::ForGEVectors<128, TestDot> test;
test(float());
}
void TestAllDotBF16() {
const hn::ForGEVectors<128, TestDot> test;
test(hwy::bfloat16_t());
}
// NOLINTNEXTLINE(google-readability-namespace-comments)
} // namespace HWY_NAMESPACE
} // namespace gcpp
HWY_AFTER_NAMESPACE();
#if HWY_ONCE
namespace gcpp {
HWY_BEFORE_TEST(SfpTest);
HWY_EXPORT_AND_TEST_P(SfpTest, PrintTables);
HWY_EXPORT_AND_TEST_P(SfpTest, TestAllUnique);
HWY_EXPORT_AND_TEST_P(SfpTest, TestAllDecEnc);
HWY_EXPORT_AND_TEST_P(SfpTest, TestAllGolden);
HWY_EXPORT_AND_TEST_P(SfpTest, TestAllEncDec);
HWY_EXPORT_AND_TEST_P(SfpTest, TestAllOrder);
HWY_EXPORT_AND_TEST_P(SfpTest, TestAllDotF32);
HWY_EXPORT_AND_TEST_P(SfpTest, TestAllDotBF16);
#ifdef HWY_AFTER_TEST
HWY_AFTER_TEST();
#endif
} // namespace gcpp
#endif
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