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blockfreq: Defer to BranchProbability::scale() (again)
Change `BlockFrequency` to defer to `BranchProbability::scale()` and `BranchProbability::scaleByInverse()`. This removes `BlockFrequency::scale()` from its API (and drops the ability to see the remainder), but the only user was the unit tests. If some code in the future needs an API that exposes the remainder, we can add something to `BranchProbability`, but I find that unlikely. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207550 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith
parent
18f4763a08
commit
07f96126af
@ -23,14 +23,8 @@ class BranchProbability;
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// This class represents Block Frequency as a 64-bit value.
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class BlockFrequency {
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uint64_t Frequency;
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/// \brief Scale the given BlockFrequency by N/D. Return the remainder from
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/// the division by D. Upon overflow, the routine will saturate and
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/// additionally will return the remainder set to D.
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uint32_t scale(uint32_t N, uint32_t D);
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public:
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BlockFrequency(uint64_t Freq = 0) : Frequency(Freq) { }
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@ -58,10 +52,6 @@ public:
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/// \brief Shift block frequency to the right by count digits saturating to 1.
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BlockFrequency &operator>>=(const unsigned count);
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/// \brief Scale the given BlockFrequency by N/D. Return the remainder from
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/// the division by D. Upon overflow, the routine will saturate.
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uint32_t scale(const BranchProbability &Prob);
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bool operator<(const BlockFrequency &RHS) const {
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return Frequency < RHS.Frequency;
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}
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@ -18,94 +18,8 @@
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using namespace llvm;
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/// Multiply FREQ by N and store result in W array.
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static void mult96bit(uint64_t freq, uint32_t N, uint32_t W[3]) {
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uint64_t u0 = freq & UINT32_MAX;
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uint64_t u1 = freq >> 32;
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// Represent 96-bit value as W[2]:W[1]:W[0];
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uint64_t t = u0 * N;
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uint64_t k = t >> 32;
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W[0] = t;
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t = u1 * N + k;
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W[1] = t;
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W[2] = t >> 32;
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}
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/// Divide 96-bit value stored in W[2]:W[1]:W[0] by D. Since our word size is a
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/// 32 bit unsigned integer, we can use a short division algorithm.
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static uint64_t divrem96bit(uint32_t W[3], uint32_t D, uint32_t *Rout) {
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// We assume that W[2] is non-zero since if W[2] is not then the user should
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// just use hardware division.
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assert(W[2] && "This routine assumes that W[2] is non-zero since if W[2] is "
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"zero, the caller should just use 64/32 hardware.");
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uint32_t Q[3] = { 0, 0, 0 };
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// The generalized short division algorithm sets i to m + n - 1, where n is
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// the number of words in the divisior and m is the number of words by which
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// the divident exceeds the divisor (i.e. m + n == the length of the dividend
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// in words). Due to our assumption that W[2] is non-zero, we know that the
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// dividend is of length 3 implying since n is 1 that m = 2. Thus we set i to
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// m + n - 1 = 2 + 1 - 1 = 2.
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uint32_t R = 0;
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for (int i = 2; i >= 0; --i) {
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uint64_t PartialD = uint64_t(R) << 32 | W[i];
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if (PartialD == 0) {
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Q[i] = 0;
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R = 0;
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} else if (PartialD < D) {
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Q[i] = 0;
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R = uint32_t(PartialD);
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} else if (PartialD == D) {
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Q[i] = 1;
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R = 0;
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} else {
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Q[i] = uint32_t(PartialD / D);
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R = uint32_t(PartialD - (Q[i] * D));
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}
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}
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// If Q[2] is non-zero, then we overflowed.
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uint64_t Result;
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if (Q[2]) {
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Result = UINT64_MAX;
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R = D;
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} else {
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// Form the final uint64_t result, avoiding endianness issues.
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Result = uint64_t(Q[0]) | (uint64_t(Q[1]) << 32);
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}
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if (Rout)
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*Rout = R;
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return Result;
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}
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uint32_t BlockFrequency::scale(uint32_t N, uint32_t D) {
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assert(D != 0 && "Division by zero");
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// Calculate Frequency * N.
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uint64_t MulLo = (Frequency & UINT32_MAX) * N;
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uint64_t MulHi = (Frequency >> 32) * N;
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uint64_t MulRes = (MulHi << 32) + MulLo;
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// If the product fits in 64 bits, just use built-in division.
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if (MulHi <= UINT32_MAX && MulRes >= MulLo) {
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Frequency = MulRes / D;
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return MulRes % D;
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}
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// Product overflowed, use 96-bit operations.
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// 96-bit value represented as W[2]:W[1]:W[0].
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uint32_t W[3];
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uint32_t R;
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mult96bit(Frequency, N, W);
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Frequency = divrem96bit(W, D, &R);
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return R;
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}
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BlockFrequency &BlockFrequency::operator*=(const BranchProbability &Prob) {
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scale(Prob.getNumerator(), Prob.getDenominator());
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Frequency = Prob.scale(Frequency);
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return *this;
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}
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@ -117,7 +31,7 @@ BlockFrequency::operator*(const BranchProbability &Prob) const {
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}
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BlockFrequency &BlockFrequency::operator/=(const BranchProbability &Prob) {
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scale(Prob.getDenominator(), Prob.getNumerator());
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Frequency = Prob.scaleByInverse(Frequency);
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return *this;
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}
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@ -156,8 +70,3 @@ BlockFrequency &BlockFrequency::operator>>=(const unsigned count) {
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Frequency |= Frequency == 0;
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return *this;
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}
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uint32_t BlockFrequency::scale(const BranchProbability &Prob) {
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return scale(Prob.getNumerator(), Prob.getDenominator());
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}
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@ -15,9 +15,8 @@ TEST(BlockFrequencyTest, OneToZero) {
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EXPECT_EQ(Freq.getFrequency(), 0u);
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Freq = BlockFrequency(1);
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uint32_t Remainder = Freq.scale(Prob);
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Freq *= Prob;
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EXPECT_EQ(Freq.getFrequency(), 0u);
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EXPECT_EQ(Remainder, UINT32_MAX - 1);
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}
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TEST(BlockFrequencyTest, OneToOne) {
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@ -27,9 +26,8 @@ TEST(BlockFrequencyTest, OneToOne) {
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EXPECT_EQ(Freq.getFrequency(), 1u);
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Freq = BlockFrequency(1);
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uint32_t Remainder = Freq.scale(Prob);
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Freq *= Prob;
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EXPECT_EQ(Freq.getFrequency(), 1u);
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EXPECT_EQ(Remainder, 0u);
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}
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TEST(BlockFrequencyTest, ThreeToOne) {
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@ -39,9 +37,8 @@ TEST(BlockFrequencyTest, ThreeToOne) {
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EXPECT_EQ(Freq.getFrequency(), 1u);
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Freq = BlockFrequency(3);
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uint32_t Remainder = Freq.scale(Prob);
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Freq *= Prob;
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EXPECT_EQ(Freq.getFrequency(), 1u);
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EXPECT_EQ(Remainder, 0u);
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}
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TEST(BlockFrequencyTest, MaxToHalfMax) {
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@ -51,9 +48,8 @@ TEST(BlockFrequencyTest, MaxToHalfMax) {
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EXPECT_EQ(Freq.getFrequency(), 9223372034707292159ULL);
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Freq = BlockFrequency(UINT64_MAX);
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uint32_t Remainder = Freq.scale(Prob);
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Freq *= Prob;
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EXPECT_EQ(Freq.getFrequency(), 9223372034707292159ULL);
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EXPECT_EQ(Remainder, 0u);
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}
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TEST(BlockFrequencyTest, BigToBig) {
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@ -65,9 +61,8 @@ TEST(BlockFrequencyTest, BigToBig) {
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EXPECT_EQ(Freq.getFrequency(), Big);
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Freq = BlockFrequency(Big);
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uint32_t Remainder = Freq.scale(Prob);
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Freq *= Prob;
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EXPECT_EQ(Freq.getFrequency(), Big);
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EXPECT_EQ(Remainder, 0u);
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}
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TEST(BlockFrequencyTest, MaxToMax) {
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@ -80,9 +75,8 @@ TEST(BlockFrequencyTest, MaxToMax) {
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// value, we do not signal saturation if the result equals said value, but
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// saturating does not occur.
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Freq = BlockFrequency(UINT64_MAX);
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uint32_t Remainder = Freq.scale(Prob);
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Freq *= Prob;
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EXPECT_EQ(Freq.getFrequency(), UINT64_MAX);
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EXPECT_EQ(Remainder, 0u);
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}
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TEST(BlockFrequencyTest, ScaleResultRemainderTest) {
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@ -90,98 +84,95 @@ TEST(BlockFrequencyTest, ScaleResultRemainderTest) {
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uint64_t Freq;
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uint32_t Prob[2];
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uint64_t ExpectedFreq;
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uint32_t ExpectedRemainder;
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} Tests[80] = {
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// Data for scaling that results in <= 64 bit division.
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{ 0x1423e2a50ULL, { 0x64819521, 0x7765dd13 }, 0x10f418889ULL, 0x92b9d25 },
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{ 0x35ef14ceULL, { 0x28ade3c7, 0x304532ae }, 0x2d73c33aULL, 0x2c0fd0b6 },
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{ 0xd03dbfbe24ULL, { 0x790079, 0xe419f3 }, 0x6e776fc1fdULL, 0x4a06dd },
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{ 0x21d67410bULL, { 0x302a9dc2, 0x3ddb4442 }, 0x1a5948fd6ULL, 0x265d1c2a },
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{ 0x8664aeadULL, { 0x3d523513, 0x403523b1 }, 0x805a04cfULL, 0x324c27b8 },
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{ 0x201db0cf4ULL, { 0x35112a7b, 0x79fc0c74 }, 0xdf8b07f6ULL, 0x490c1dc4 },
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{ 0x13f1e4430aULL, { 0x21c92bf, 0x21e63aae }, 0x13e0cba15ULL, 0x1df47c30 },
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{ 0x16c83229ULL, { 0x3793f66f, 0x53180dea }, 0xf3ce7b6ULL, 0x1d0c1b6b },
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{ 0xc62415be8ULL, { 0x9cc4a63, 0x4327ae9b }, 0x1ce8b71caULL, 0x3f2c696a },
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{ 0x6fac5e434ULL, { 0xe5f9170, 0x1115e10b }, 0x5df23dd4cULL, 0x4dafc7c },
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{ 0x1929375f2ULL, { 0x3a851375, 0x76c08456 }, 0xc662b082ULL, 0x343589ee },
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{ 0x243c89db6ULL, { 0x354ebfc0, 0x450ef197 }, 0x1bf8c1661ULL, 0x4948e49 },
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{ 0x310e9b31aULL, { 0x1b1b8acf, 0x2d3629f0 }, 0x1d69c93f9ULL, 0x73e3b96 },
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{ 0xa1fae921dULL, { 0xa7a098c, 0x10469f44 }, 0x684413d6cULL, 0x86a882c },
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{ 0xc1582d957ULL, { 0x498e061, 0x59856bc }, 0x9edc5f4e7ULL, 0x29b0653 },
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{ 0x57cfee75ULL, { 0x1d061dc3, 0x7c8bfc17 }, 0x1476a220ULL, 0x2383d33f },
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{ 0x139220080ULL, { 0x294a6c71, 0x2a2b07c9 }, 0x1329e1c76ULL, 0x7aa5da },
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{ 0x1665d353cULL, { 0x7080db5, 0xde0d75c }, 0xb590d9fbULL, 0x7ba8c38 },
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{ 0xe8f14541ULL, { 0x5188e8b2, 0x736527ef }, 0xa4971be5ULL, 0x6b612167 },
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{ 0x2f4775f29ULL, { 0x254ef0fe, 0x435fcf50 }, 0x1a2e449c1ULL, 0x28bbf5e },
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{ 0x27b85d8d7ULL, { 0x304c8220, 0x5de678f2 }, 0x146e3bef9ULL, 0x4b27097e },
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{ 0x1d362e36bULL, { 0x36c85b12, 0x37a66f55 }, 0x1cc19b8e6ULL, 0x688e828 },
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{ 0x155fd48c7ULL, { 0xf5894d, 0x1256108 }, 0x11e383602ULL, 0x111f0cb },
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{ 0xb5db2d15ULL, { 0x39bb26c5, 0x5bdcda3e }, 0x72499259ULL, 0x59c4939b },
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{ 0x153990298ULL, { 0x48921c09, 0x706eb817 }, 0xdb3268e8ULL, 0x66bb8a80 },
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{ 0x28a7c3ed7ULL, { 0x1f776fd7, 0x349f7a70 }, 0x184f73ae1ULL, 0x28910321 },
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{ 0x724dbeabULL, { 0x1bd149f5, 0x253a085e }, 0x5569c0b3ULL, 0xff8e2ed },
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{ 0xd8f0c513ULL, { 0x18c8cc4c, 0x1b72bad0 }, 0xc3e30643ULL, 0xd85e134 },
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{ 0x17ce3dcbULL, { 0x1e4c6260, 0x233b359e }, 0x1478f4afULL, 0x49ea31e },
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{ 0x1ce036ce0ULL, { 0x29e3c8af, 0x5318dd4a }, 0xe8e76196ULL, 0x11d5b9c4 },
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{ 0x1473ae2aULL, { 0x29b897ba, 0x2be29378 }, 0x13718185ULL, 0x6f93b2c },
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{ 0x1dd41aa68ULL, { 0x3d0a4441, 0x5a0e8f12 }, 0x1437b6bbfULL, 0x54b09ffa },
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{ 0x1b49e4a53ULL, { 0x3430c1fe, 0x5a204aed }, 0xfcd6852fULL, 0x15ad6ed7 },
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{ 0x217941b19ULL, { 0x12ced2bd, 0x21b68310 }, 0x12aca65b1ULL, 0x1b2a9565 },
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{ 0xac6a4dc8ULL, { 0x3ed68da8, 0x6fdca34c }, 0x60da926dULL, 0x22ff53e4 },
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{ 0x1c503a4e7ULL, { 0xfcbbd32, 0x11e48d17 }, 0x18fec7d38ULL, 0xa8aa816 },
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{ 0x1c885855ULL, { 0x213e919d, 0x25941897 }, 0x193de743ULL, 0x4ea09c },
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{ 0x29b9c168eULL, { 0x2b644aea, 0x45725ee7 }, 0x1a122e5d5ULL, 0xbee1099 },
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{ 0x806a33f2ULL, { 0x30a80a23, 0x5063733a }, 0x4db9a264ULL, 0x1eaed76e },
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{ 0x282afc96bULL, { 0x143ae554, 0x1a9863ff }, 0x1e8de5204ULL, 0x158d9020 },
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{ 0x1423e2a50ULL, { 0x64819521, 0x7765dd13 }, 0x10f418889ULL },
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{ 0x35ef14ceULL, { 0x28ade3c7, 0x304532ae }, 0x2d73c33aULL },
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{ 0xd03dbfbe24ULL, { 0x790079, 0xe419f3 }, 0x6e776fc1fdULL },
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{ 0x21d67410bULL, { 0x302a9dc2, 0x3ddb4442 }, 0x1a5948fd6ULL },
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{ 0x8664aeadULL, { 0x3d523513, 0x403523b1 }, 0x805a04cfULL },
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{ 0x201db0cf4ULL, { 0x35112a7b, 0x79fc0c74 }, 0xdf8b07f6ULL },
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{ 0x13f1e4430aULL, { 0x21c92bf, 0x21e63aae }, 0x13e0cba15ULL },
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{ 0x16c83229ULL, { 0x3793f66f, 0x53180dea }, 0xf3ce7b6ULL },
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{ 0xc62415be8ULL, { 0x9cc4a63, 0x4327ae9b }, 0x1ce8b71caULL },
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{ 0x6fac5e434ULL, { 0xe5f9170, 0x1115e10b }, 0x5df23dd4cULL },
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{ 0x1929375f2ULL, { 0x3a851375, 0x76c08456 }, 0xc662b082ULL },
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{ 0x243c89db6ULL, { 0x354ebfc0, 0x450ef197 }, 0x1bf8c1661ULL },
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{ 0x310e9b31aULL, { 0x1b1b8acf, 0x2d3629f0 }, 0x1d69c93f9ULL },
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{ 0xa1fae921dULL, { 0xa7a098c, 0x10469f44 }, 0x684413d6cULL },
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{ 0xc1582d957ULL, { 0x498e061, 0x59856bc }, 0x9edc5f4e7ULL },
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{ 0x57cfee75ULL, { 0x1d061dc3, 0x7c8bfc17 }, 0x1476a220ULL },
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{ 0x139220080ULL, { 0x294a6c71, 0x2a2b07c9 }, 0x1329e1c76ULL },
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{ 0x1665d353cULL, { 0x7080db5, 0xde0d75c }, 0xb590d9fbULL },
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{ 0xe8f14541ULL, { 0x5188e8b2, 0x736527ef }, 0xa4971be5ULL },
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{ 0x2f4775f29ULL, { 0x254ef0fe, 0x435fcf50 }, 0x1a2e449c1ULL },
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{ 0x27b85d8d7ULL, { 0x304c8220, 0x5de678f2 }, 0x146e3bef9ULL },
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{ 0x1d362e36bULL, { 0x36c85b12, 0x37a66f55 }, 0x1cc19b8e6ULL },
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{ 0x155fd48c7ULL, { 0xf5894d, 0x1256108 }, 0x11e383602ULL },
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{ 0xb5db2d15ULL, { 0x39bb26c5, 0x5bdcda3e }, 0x72499259ULL },
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{ 0x153990298ULL, { 0x48921c09, 0x706eb817 }, 0xdb3268e8ULL },
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{ 0x28a7c3ed7ULL, { 0x1f776fd7, 0x349f7a70 }, 0x184f73ae1ULL },
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{ 0x724dbeabULL, { 0x1bd149f5, 0x253a085e }, 0x5569c0b3ULL },
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{ 0xd8f0c513ULL, { 0x18c8cc4c, 0x1b72bad0 }, 0xc3e30643ULL },
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{ 0x17ce3dcbULL, { 0x1e4c6260, 0x233b359e }, 0x1478f4afULL },
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{ 0x1ce036ce0ULL, { 0x29e3c8af, 0x5318dd4a }, 0xe8e76196ULL },
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{ 0x1473ae2aULL, { 0x29b897ba, 0x2be29378 }, 0x13718185ULL },
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{ 0x1dd41aa68ULL, { 0x3d0a4441, 0x5a0e8f12 }, 0x1437b6bbfULL },
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{ 0x1b49e4a53ULL, { 0x3430c1fe, 0x5a204aed }, 0xfcd6852fULL },
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{ 0x217941b19ULL, { 0x12ced2bd, 0x21b68310 }, 0x12aca65b1ULL },
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{ 0xac6a4dc8ULL, { 0x3ed68da8, 0x6fdca34c }, 0x60da926dULL },
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{ 0x1c503a4e7ULL, { 0xfcbbd32, 0x11e48d17 }, 0x18fec7d38ULL },
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{ 0x1c885855ULL, { 0x213e919d, 0x25941897 }, 0x193de743ULL },
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{ 0x29b9c168eULL, { 0x2b644aea, 0x45725ee7 }, 0x1a122e5d5ULL },
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{ 0x806a33f2ULL, { 0x30a80a23, 0x5063733a }, 0x4db9a264ULL },
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{ 0x282afc96bULL, { 0x143ae554, 0x1a9863ff }, 0x1e8de5204ULL },
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// Data for scaling that results in > 64 bit division.
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{ 0x23ca5f2f672ca41cULL, { 0xecbc641, 0x111373f7 }, 0x1f0301e5e8295ab5ULL, 0xf627f79 },
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{ 0x5e4f2468142265e3ULL, { 0x1ddf5837, 0x32189233 }, 0x383ca7ba9fdd2c8cULL, 0x1c8f33e1 },
|
||||
{ 0x277a1a6f6b266bf6ULL, { 0x415d81a8, 0x61eb5e1e }, 0x1a5a3e1d41b30c0fULL, 0x29cde3ae },
|
||||
{ 0x1bdbb49a237035cbULL, { 0xea5bf17, 0x1d25ffb3 }, 0xdffc51c53d44b93ULL, 0x5170574 },
|
||||
{ 0x2bce6d29b64fb8ULL, { 0x3bfd5631, 0x7525c9bb }, 0x166ebedda7ac57ULL, 0x3026dfab },
|
||||
{ 0x3a02116103df5013ULL, { 0x2ee18a83, 0x3299aea8 }, 0x35be8922ab1e2a84ULL, 0x298d9919 },
|
||||
{ 0x7b5762390799b18cULL, { 0x12f8e5b9, 0x2563bcd4 }, 0x3e960077aca01209ULL, 0x93afeb8 },
|
||||
{ 0x69cfd72537021579ULL, { 0x4c35f468, 0x6a40feee }, 0x4be4cb3848be98a3ULL, 0x4ff96b9e },
|
||||
{ 0x49dfdf835120f1c1ULL, { 0x8cb3759, 0x559eb891 }, 0x79663f7120edadeULL, 0x51b1fb5b },
|
||||
{ 0x74b5be5c27676381ULL, { 0x47e4c5e0, 0x7c7b19ff }, 0x4367d2dff36a1028ULL, 0x7a7b5608 },
|
||||
{ 0x4f50f97075e7f431ULL, { 0x9a50a17, 0x11cd1185 }, 0x2af952b34c032df4ULL, 0xfddc6a3 },
|
||||
{ 0x2f8b0d712e393be4ULL, { 0x1487e386, 0x15aa356e }, 0x2d0df36478a776aaULL, 0x14e2564c },
|
||||
{ 0x224c1c75999d3deULL, { 0x3b2df0ea, 0x4523b100 }, 0x1d5b481d145f08aULL, 0x15145eec },
|
||||
{ 0x2bcbcea22a399a76ULL, { 0x28b58212, 0x48dd013e }, 0x187814d084c47cabULL, 0x3a38ebe2 },
|
||||
{ 0x1dbfca91257cb2d1ULL, { 0x1a8c04d9, 0x5e92502c }, 0x859cf7d00f77545ULL, 0x7431f4d },
|
||||
{ 0x7f20039b57cda935ULL, { 0xeccf651, 0x323f476e }, 0x25720cd976461a77ULL, 0x202817a3 },
|
||||
{ 0x40512c6a586aa087ULL, { 0x113b0423, 0x398c9eab }, 0x1341c03de8696a7eULL, 0x1e27284b },
|
||||
{ 0x63d802693f050a11ULL, { 0xf50cdd6, 0xfce2a44 }, 0x60c0177bb5e46846ULL, 0xf7ad89e },
|
||||
{ 0x2d956b422838de77ULL, { 0xb2d345b, 0x1321e557 }, 0x1aa0ed16b6aa5319ULL, 0xfe1a5ce },
|
||||
{ 0x5a1cdf0c1657bc91ULL, { 0x1d77bb0c, 0x1f991ff1 }, 0x54097ee94ff87560ULL, 0x11c4a26c },
|
||||
{ 0x3801b26d7e00176bULL, { 0xeed25da, 0x1a819d8b }, 0x1f89e96a3a639526ULL, 0xcd51e7c },
|
||||
{ 0x37655e74338e1e45ULL, { 0x300e170a, 0x5a1595fe }, 0x1d8cfb55fddc0441ULL, 0x3df05434 },
|
||||
{ 0x7b38703f2a84e6ULL, { 0x66d9053, 0xc79b6b9 }, 0x3f7d4c91774094ULL, 0x26d939e },
|
||||
{ 0x2245063c0acb3215ULL, { 0x30ce2f5b, 0x610e7271 }, 0x113b916468389235ULL, 0x1b588512 },
|
||||
{ 0x6bc195877b7b8a7eULL, { 0x392004aa, 0x4a24e60c }, 0x530594fb17db6ba5ULL, 0x35c0a5f0 },
|
||||
{ 0x40a3fde23c7b43dbULL, { 0x4e712195, 0x6553e56e }, 0x320a799bc76a466aULL, 0x5e23a5eb },
|
||||
{ 0x1d3dfc2866fbccbaULL, { 0x5075b517, 0x5fc42245 }, 0x18917f0061595bc3ULL, 0x3fcf4527 },
|
||||
{ 0x19aeb14045a61121ULL, { 0x1bf6edec, 0x707e2f4b }, 0x6626672a070bcc7ULL, 0x3607801f },
|
||||
{ 0x44ff90486c531e9fULL, { 0x66598a, 0x8a90dc }, 0x32f6f2b0525199b0ULL, 0x5ab576 },
|
||||
{ 0x3f3e7121092c5bcbULL, { 0x1c754df7, 0x5951a1b9 }, 0x14267f50b7ef375dULL, 0x221220a8 },
|
||||
{ 0x60e2dafb7e50a67eULL, { 0x4d96c66e, 0x65bd878d }, 0x49e31715ac393f8bULL, 0x4e97b195 },
|
||||
{ 0x656286667e0e6e29ULL, { 0x9d971a2, 0xacda23b }, 0x5c6ee315ead6cb4fULL, 0x516f5bd },
|
||||
{ 0x1114e0974255d507ULL, { 0x1c693, 0x2d6ff }, 0xaae42e4b35f6e60ULL, 0x8b65 },
|
||||
{ 0x508c8baf3a70ff5aULL, { 0x3b26b779, 0x6ad78745 }, 0x2c98387636c4b365ULL, 0x11dc6a51 },
|
||||
{ 0x5b47bc666bf1f9cfULL, { 0x10a87ed6, 0x187d358a }, 0x3e1767155848368bULL, 0xfb871c },
|
||||
{ 0x50954e3744460395ULL, { 0x7a42263, 0xcdaa048 }, 0x2fe739f0aee1fee1ULL, 0xb8add57 },
|
||||
{ 0x20020b406550dd8fULL, { 0x3318539, 0x42eead0 }, 0x186f326325fa346bULL, 0x10d3ae7 },
|
||||
{ 0x5bcb0b872439ffd5ULL, { 0x6f61fb2, 0x9af7344 }, 0x41fa1e3bec3c1b30ULL, 0x4fee45a },
|
||||
{ 0x7a670f365db87a53ULL, { 0x417e102, 0x3bb54c67 }, 0x8642a558304fd9eULL, 0x3b65f514 },
|
||||
{ 0x1ef0db1e7bab1cd0ULL, { 0x2b60cf38, 0x4188f78f }, 0x147ae0d6226b2ee6ULL, 0x336b6106 }
|
||||
{ 0x23ca5f2f672ca41cULL, { 0xecbc641, 0x111373f7 }, 0x1f0301e5e8295ab5ULL },
|
||||
{ 0x5e4f2468142265e3ULL, { 0x1ddf5837, 0x32189233 }, 0x383ca7ba9fdd2c8cULL },
|
||||
{ 0x277a1a6f6b266bf6ULL, { 0x415d81a8, 0x61eb5e1e }, 0x1a5a3e1d41b30c0fULL },
|
||||
{ 0x1bdbb49a237035cbULL, { 0xea5bf17, 0x1d25ffb3 }, 0xdffc51c53d44b93ULL },
|
||||
{ 0x2bce6d29b64fb8ULL, { 0x3bfd5631, 0x7525c9bb }, 0x166ebedda7ac57ULL },
|
||||
{ 0x3a02116103df5013ULL, { 0x2ee18a83, 0x3299aea8 }, 0x35be8922ab1e2a84ULL },
|
||||
{ 0x7b5762390799b18cULL, { 0x12f8e5b9, 0x2563bcd4 }, 0x3e960077aca01209ULL },
|
||||
{ 0x69cfd72537021579ULL, { 0x4c35f468, 0x6a40feee }, 0x4be4cb3848be98a3ULL },
|
||||
{ 0x49dfdf835120f1c1ULL, { 0x8cb3759, 0x559eb891 }, 0x79663f7120edadeULL },
|
||||
{ 0x74b5be5c27676381ULL, { 0x47e4c5e0, 0x7c7b19ff }, 0x4367d2dff36a1028ULL },
|
||||
{ 0x4f50f97075e7f431ULL, { 0x9a50a17, 0x11cd1185 }, 0x2af952b34c032df4ULL },
|
||||
{ 0x2f8b0d712e393be4ULL, { 0x1487e386, 0x15aa356e }, 0x2d0df36478a776aaULL },
|
||||
{ 0x224c1c75999d3deULL, { 0x3b2df0ea, 0x4523b100 }, 0x1d5b481d145f08aULL },
|
||||
{ 0x2bcbcea22a399a76ULL, { 0x28b58212, 0x48dd013e }, 0x187814d084c47cabULL },
|
||||
{ 0x1dbfca91257cb2d1ULL, { 0x1a8c04d9, 0x5e92502c }, 0x859cf7d00f77545ULL },
|
||||
{ 0x7f20039b57cda935ULL, { 0xeccf651, 0x323f476e }, 0x25720cd976461a77ULL },
|
||||
{ 0x40512c6a586aa087ULL, { 0x113b0423, 0x398c9eab }, 0x1341c03de8696a7eULL },
|
||||
{ 0x63d802693f050a11ULL, { 0xf50cdd6, 0xfce2a44 }, 0x60c0177bb5e46846ULL },
|
||||
{ 0x2d956b422838de77ULL, { 0xb2d345b, 0x1321e557 }, 0x1aa0ed16b6aa5319ULL },
|
||||
{ 0x5a1cdf0c1657bc91ULL, { 0x1d77bb0c, 0x1f991ff1 }, 0x54097ee94ff87560ULL },
|
||||
{ 0x3801b26d7e00176bULL, { 0xeed25da, 0x1a819d8b }, 0x1f89e96a3a639526ULL },
|
||||
{ 0x37655e74338e1e45ULL, { 0x300e170a, 0x5a1595fe }, 0x1d8cfb55fddc0441ULL },
|
||||
{ 0x7b38703f2a84e6ULL, { 0x66d9053, 0xc79b6b9 }, 0x3f7d4c91774094ULL },
|
||||
{ 0x2245063c0acb3215ULL, { 0x30ce2f5b, 0x610e7271 }, 0x113b916468389235ULL },
|
||||
{ 0x6bc195877b7b8a7eULL, { 0x392004aa, 0x4a24e60c }, 0x530594fb17db6ba5ULL },
|
||||
{ 0x40a3fde23c7b43dbULL, { 0x4e712195, 0x6553e56e }, 0x320a799bc76a466aULL },
|
||||
{ 0x1d3dfc2866fbccbaULL, { 0x5075b517, 0x5fc42245 }, 0x18917f0061595bc3ULL },
|
||||
{ 0x19aeb14045a61121ULL, { 0x1bf6edec, 0x707e2f4b }, 0x6626672a070bcc7ULL },
|
||||
{ 0x44ff90486c531e9fULL, { 0x66598a, 0x8a90dc }, 0x32f6f2b0525199b0ULL },
|
||||
{ 0x3f3e7121092c5bcbULL, { 0x1c754df7, 0x5951a1b9 }, 0x14267f50b7ef375dULL },
|
||||
{ 0x60e2dafb7e50a67eULL, { 0x4d96c66e, 0x65bd878d }, 0x49e31715ac393f8bULL },
|
||||
{ 0x656286667e0e6e29ULL, { 0x9d971a2, 0xacda23b }, 0x5c6ee315ead6cb4fULL },
|
||||
{ 0x1114e0974255d507ULL, { 0x1c693, 0x2d6ff }, 0xaae42e4b35f6e60ULL },
|
||||
{ 0x508c8baf3a70ff5aULL, { 0x3b26b779, 0x6ad78745 }, 0x2c98387636c4b365ULL },
|
||||
{ 0x5b47bc666bf1f9cfULL, { 0x10a87ed6, 0x187d358a }, 0x3e1767155848368bULL },
|
||||
{ 0x50954e3744460395ULL, { 0x7a42263, 0xcdaa048 }, 0x2fe739f0aee1fee1ULL },
|
||||
{ 0x20020b406550dd8fULL, { 0x3318539, 0x42eead0 }, 0x186f326325fa346bULL },
|
||||
{ 0x5bcb0b872439ffd5ULL, { 0x6f61fb2, 0x9af7344 }, 0x41fa1e3bec3c1b30ULL },
|
||||
{ 0x7a670f365db87a53ULL, { 0x417e102, 0x3bb54c67 }, 0x8642a558304fd9eULL },
|
||||
{ 0x1ef0db1e7bab1cd0ULL, { 0x2b60cf38, 0x4188f78f }, 0x147ae0d6226b2ee6ULL }
|
||||
};
|
||||
|
||||
for (unsigned i = 0; i < 80; i++) {
|
||||
BlockFrequency Freq(Tests[i].Freq);
|
||||
uint32_t Remainder = Freq.scale(BranchProbability(Tests[i].Prob[0],
|
||||
Tests[i].Prob[1]));
|
||||
Freq *= BranchProbability(Tests[i].Prob[0], Tests[i].Prob[1]);
|
||||
EXPECT_EQ(Tests[i].ExpectedFreq, Freq.getFrequency());
|
||||
EXPECT_EQ(Tests[i].ExpectedRemainder, Remainder);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user