
(FPCore (d1 d2 d3) :precision binary64 (+ (+ (* d1 d2) (* (+ d3 5.0) d1)) (* d1 32.0)))
double code(double d1, double d2, double d3) {
return ((d1 * d2) + ((d3 + 5.0) * d1)) + (d1 * 32.0);
}
real(8) function code(d1, d2, d3)
real(8), intent (in) :: d1
real(8), intent (in) :: d2
real(8), intent (in) :: d3
code = ((d1 * d2) + ((d3 + 5.0d0) * d1)) + (d1 * 32.0d0)
end function
public static double code(double d1, double d2, double d3) {
return ((d1 * d2) + ((d3 + 5.0) * d1)) + (d1 * 32.0);
}
def code(d1, d2, d3): return ((d1 * d2) + ((d3 + 5.0) * d1)) + (d1 * 32.0)
function code(d1, d2, d3) return Float64(Float64(Float64(d1 * d2) + Float64(Float64(d3 + 5.0) * d1)) + Float64(d1 * 32.0)) end
function tmp = code(d1, d2, d3) tmp = ((d1 * d2) + ((d3 + 5.0) * d1)) + (d1 * 32.0); end
code[d1_, d2_, d3_] := N[(N[(N[(d1 * d2), $MachinePrecision] + N[(N[(d3 + 5.0), $MachinePrecision] * d1), $MachinePrecision]), $MachinePrecision] + N[(d1 * 32.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(d1 \cdot d2 + \left(d3 + 5\right) \cdot d1\right) + d1 \cdot 32
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 6 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (d1 d2 d3) :precision binary64 (+ (+ (* d1 d2) (* (+ d3 5.0) d1)) (* d1 32.0)))
double code(double d1, double d2, double d3) {
return ((d1 * d2) + ((d3 + 5.0) * d1)) + (d1 * 32.0);
}
real(8) function code(d1, d2, d3)
real(8), intent (in) :: d1
real(8), intent (in) :: d2
real(8), intent (in) :: d3
code = ((d1 * d2) + ((d3 + 5.0d0) * d1)) + (d1 * 32.0d0)
end function
public static double code(double d1, double d2, double d3) {
return ((d1 * d2) + ((d3 + 5.0) * d1)) + (d1 * 32.0);
}
def code(d1, d2, d3): return ((d1 * d2) + ((d3 + 5.0) * d1)) + (d1 * 32.0)
function code(d1, d2, d3) return Float64(Float64(Float64(d1 * d2) + Float64(Float64(d3 + 5.0) * d1)) + Float64(d1 * 32.0)) end
function tmp = code(d1, d2, d3) tmp = ((d1 * d2) + ((d3 + 5.0) * d1)) + (d1 * 32.0); end
code[d1_, d2_, d3_] := N[(N[(N[(d1 * d2), $MachinePrecision] + N[(N[(d3 + 5.0), $MachinePrecision] * d1), $MachinePrecision]), $MachinePrecision] + N[(d1 * 32.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(d1 \cdot d2 + \left(d3 + 5\right) \cdot d1\right) + d1 \cdot 32
\end{array}
(FPCore (d1 d2 d3) :precision binary64 (* d1 (+ d3 (+ d2 37.0))))
double code(double d1, double d2, double d3) {
return d1 * (d3 + (d2 + 37.0));
}
real(8) function code(d1, d2, d3)
real(8), intent (in) :: d1
real(8), intent (in) :: d2
real(8), intent (in) :: d3
code = d1 * (d3 + (d2 + 37.0d0))
end function
public static double code(double d1, double d2, double d3) {
return d1 * (d3 + (d2 + 37.0));
}
def code(d1, d2, d3): return d1 * (d3 + (d2 + 37.0))
function code(d1, d2, d3) return Float64(d1 * Float64(d3 + Float64(d2 + 37.0))) end
function tmp = code(d1, d2, d3) tmp = d1 * (d3 + (d2 + 37.0)); end
code[d1_, d2_, d3_] := N[(d1 * N[(d3 + N[(d2 + 37.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
d1 \cdot \left(d3 + \left(d2 + 37\right)\right)
\end{array}
Initial program 98.8%
cancel-sign-sub98.8%
+-commutative98.8%
*-commutative98.8%
distribute-lft-out100.0%
distribute-lft-neg-out100.0%
distribute-rgt-neg-in100.0%
distribute-lft-out--100.0%
associate-+r+100.0%
+-commutative100.0%
associate--l+100.0%
sub-neg100.0%
metadata-eval100.0%
metadata-eval100.0%
associate-+l+100.0%
metadata-eval100.0%
Simplified100.0%
Final simplification100.0%
(FPCore (d1 d2 d3) :precision binary64 (if (or (<= d2 -36.0) (not (<= d2 38.0))) (* d1 d2) (* d1 37.0)))
double code(double d1, double d2, double d3) {
double tmp;
if ((d2 <= -36.0) || !(d2 <= 38.0)) {
tmp = d1 * d2;
} else {
tmp = d1 * 37.0;
}
return tmp;
}
real(8) function code(d1, d2, d3)
real(8), intent (in) :: d1
real(8), intent (in) :: d2
real(8), intent (in) :: d3
real(8) :: tmp
if ((d2 <= (-36.0d0)) .or. (.not. (d2 <= 38.0d0))) then
tmp = d1 * d2
else
tmp = d1 * 37.0d0
end if
code = tmp
end function
public static double code(double d1, double d2, double d3) {
double tmp;
if ((d2 <= -36.0) || !(d2 <= 38.0)) {
tmp = d1 * d2;
} else {
tmp = d1 * 37.0;
}
return tmp;
}
def code(d1, d2, d3): tmp = 0 if (d2 <= -36.0) or not (d2 <= 38.0): tmp = d1 * d2 else: tmp = d1 * 37.0 return tmp
function code(d1, d2, d3) tmp = 0.0 if ((d2 <= -36.0) || !(d2 <= 38.0)) tmp = Float64(d1 * d2); else tmp = Float64(d1 * 37.0); end return tmp end
function tmp_2 = code(d1, d2, d3) tmp = 0.0; if ((d2 <= -36.0) || ~((d2 <= 38.0))) tmp = d1 * d2; else tmp = d1 * 37.0; end tmp_2 = tmp; end
code[d1_, d2_, d3_] := If[Or[LessEqual[d2, -36.0], N[Not[LessEqual[d2, 38.0]], $MachinePrecision]], N[(d1 * d2), $MachinePrecision], N[(d1 * 37.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;d2 \leq -36 \lor \neg \left(d2 \leq 38\right):\\
\;\;\;\;d1 \cdot d2\\
\mathbf{else}:\\
\;\;\;\;d1 \cdot 37\\
\end{array}
\end{array}
if d2 < -36 or 38 < d2 Initial program 97.7%
cancel-sign-sub97.7%
+-commutative97.7%
*-commutative97.7%
distribute-lft-out100.0%
distribute-lft-neg-out100.0%
distribute-rgt-neg-in100.0%
distribute-lft-out--100.0%
associate-+r+100.0%
+-commutative100.0%
associate--l+100.0%
sub-neg100.0%
metadata-eval100.0%
metadata-eval100.0%
associate-+l+100.0%
metadata-eval100.0%
Simplified100.0%
Taylor expanded in d2 around inf 72.7%
if -36 < d2 < 38Initial program 99.9%
cancel-sign-sub99.9%
+-commutative99.9%
*-commutative99.9%
distribute-lft-out99.9%
distribute-lft-neg-out99.9%
distribute-rgt-neg-in99.9%
distribute-lft-out--100.0%
associate-+r+100.0%
+-commutative100.0%
associate--l+100.0%
sub-neg100.0%
metadata-eval100.0%
metadata-eval100.0%
associate-+l+100.0%
metadata-eval100.0%
Simplified100.0%
Taylor expanded in d2 around 0 99.0%
distribute-lft-in99.0%
fma-define99.1%
Applied egg-rr99.1%
Taylor expanded in d3 around 0 45.3%
*-commutative45.3%
Simplified45.3%
Final simplification59.6%
(FPCore (d1 d2 d3) :precision binary64 (if (<= d2 -36.0) (* d1 d2) (if (<= d2 1.22e-251) (* d1 37.0) (* d1 d3))))
double code(double d1, double d2, double d3) {
double tmp;
if (d2 <= -36.0) {
tmp = d1 * d2;
} else if (d2 <= 1.22e-251) {
tmp = d1 * 37.0;
} else {
tmp = d1 * d3;
}
return tmp;
}
real(8) function code(d1, d2, d3)
real(8), intent (in) :: d1
real(8), intent (in) :: d2
real(8), intent (in) :: d3
real(8) :: tmp
if (d2 <= (-36.0d0)) then
tmp = d1 * d2
else if (d2 <= 1.22d-251) then
tmp = d1 * 37.0d0
else
tmp = d1 * d3
end if
code = tmp
end function
public static double code(double d1, double d2, double d3) {
double tmp;
if (d2 <= -36.0) {
tmp = d1 * d2;
} else if (d2 <= 1.22e-251) {
tmp = d1 * 37.0;
} else {
tmp = d1 * d3;
}
return tmp;
}
def code(d1, d2, d3): tmp = 0 if d2 <= -36.0: tmp = d1 * d2 elif d2 <= 1.22e-251: tmp = d1 * 37.0 else: tmp = d1 * d3 return tmp
function code(d1, d2, d3) tmp = 0.0 if (d2 <= -36.0) tmp = Float64(d1 * d2); elseif (d2 <= 1.22e-251) tmp = Float64(d1 * 37.0); else tmp = Float64(d1 * d3); end return tmp end
function tmp_2 = code(d1, d2, d3) tmp = 0.0; if (d2 <= -36.0) tmp = d1 * d2; elseif (d2 <= 1.22e-251) tmp = d1 * 37.0; else tmp = d1 * d3; end tmp_2 = tmp; end
code[d1_, d2_, d3_] := If[LessEqual[d2, -36.0], N[(d1 * d2), $MachinePrecision], If[LessEqual[d2, 1.22e-251], N[(d1 * 37.0), $MachinePrecision], N[(d1 * d3), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;d2 \leq -36:\\
\;\;\;\;d1 \cdot d2\\
\mathbf{elif}\;d2 \leq 1.22 \cdot 10^{-251}:\\
\;\;\;\;d1 \cdot 37\\
\mathbf{else}:\\
\;\;\;\;d1 \cdot d3\\
\end{array}
\end{array}
if d2 < -36Initial program 98.5%
cancel-sign-sub98.5%
+-commutative98.5%
*-commutative98.5%
distribute-lft-out100.0%
distribute-lft-neg-out100.0%
distribute-rgt-neg-in100.0%
distribute-lft-out--100.0%
associate-+r+100.0%
+-commutative100.0%
associate--l+100.0%
sub-neg100.0%
metadata-eval100.0%
metadata-eval100.0%
associate-+l+100.0%
metadata-eval100.0%
Simplified100.0%
Taylor expanded in d2 around inf 77.2%
if -36 < d2 < 1.2200000000000001e-251Initial program 99.9%
cancel-sign-sub99.9%
+-commutative99.9%
*-commutative99.9%
distribute-lft-out99.9%
distribute-lft-neg-out99.9%
distribute-rgt-neg-in99.9%
distribute-lft-out--100.0%
associate-+r+100.0%
+-commutative100.0%
associate--l+100.0%
sub-neg100.0%
metadata-eval100.0%
metadata-eval100.0%
associate-+l+100.0%
metadata-eval100.0%
Simplified100.0%
Taylor expanded in d2 around 0 98.3%
distribute-lft-in98.3%
fma-define98.4%
Applied egg-rr98.4%
Taylor expanded in d3 around 0 50.6%
*-commutative50.6%
Simplified50.6%
if 1.2200000000000001e-251 < d2 Initial program 98.3%
cancel-sign-sub98.3%
+-commutative98.3%
*-commutative98.3%
distribute-lft-out100.0%
distribute-lft-neg-out100.0%
distribute-rgt-neg-in100.0%
distribute-lft-out--100.0%
associate-+r+100.0%
+-commutative100.0%
associate--l+100.0%
sub-neg100.0%
metadata-eval100.0%
metadata-eval100.0%
associate-+l+100.0%
metadata-eval100.0%
Simplified100.0%
Taylor expanded in d3 around inf 51.1%
Final simplification57.8%
(FPCore (d1 d2 d3) :precision binary64 (if (<= d3 5e+21) (* d1 (+ d2 37.0)) (* d1 d3)))
double code(double d1, double d2, double d3) {
double tmp;
if (d3 <= 5e+21) {
tmp = d1 * (d2 + 37.0);
} else {
tmp = d1 * d3;
}
return tmp;
}
real(8) function code(d1, d2, d3)
real(8), intent (in) :: d1
real(8), intent (in) :: d2
real(8), intent (in) :: d3
real(8) :: tmp
if (d3 <= 5d+21) then
tmp = d1 * (d2 + 37.0d0)
else
tmp = d1 * d3
end if
code = tmp
end function
public static double code(double d1, double d2, double d3) {
double tmp;
if (d3 <= 5e+21) {
tmp = d1 * (d2 + 37.0);
} else {
tmp = d1 * d3;
}
return tmp;
}
def code(d1, d2, d3): tmp = 0 if d3 <= 5e+21: tmp = d1 * (d2 + 37.0) else: tmp = d1 * d3 return tmp
function code(d1, d2, d3) tmp = 0.0 if (d3 <= 5e+21) tmp = Float64(d1 * Float64(d2 + 37.0)); else tmp = Float64(d1 * d3); end return tmp end
function tmp_2 = code(d1, d2, d3) tmp = 0.0; if (d3 <= 5e+21) tmp = d1 * (d2 + 37.0); else tmp = d1 * d3; end tmp_2 = tmp; end
code[d1_, d2_, d3_] := If[LessEqual[d3, 5e+21], N[(d1 * N[(d2 + 37.0), $MachinePrecision]), $MachinePrecision], N[(d1 * d3), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;d3 \leq 5 \cdot 10^{+21}:\\
\;\;\;\;d1 \cdot \left(d2 + 37\right)\\
\mathbf{else}:\\
\;\;\;\;d1 \cdot d3\\
\end{array}
\end{array}
if d3 < 5e21Initial program 98.8%
cancel-sign-sub98.8%
+-commutative98.8%
*-commutative98.8%
distribute-lft-out100.0%
distribute-lft-neg-out100.0%
distribute-rgt-neg-in100.0%
distribute-lft-out--100.0%
associate-+r+100.0%
+-commutative100.0%
associate--l+100.0%
sub-neg100.0%
metadata-eval100.0%
metadata-eval100.0%
associate-+l+100.0%
metadata-eval100.0%
Simplified100.0%
Taylor expanded in d3 around 0 73.5%
if 5e21 < d3 Initial program 98.6%
cancel-sign-sub98.6%
+-commutative98.6%
*-commutative98.6%
distribute-lft-out100.0%
distribute-lft-neg-out100.0%
distribute-rgt-neg-in100.0%
distribute-lft-out--100.0%
associate-+r+100.0%
+-commutative100.0%
associate--l+100.0%
sub-neg100.0%
metadata-eval100.0%
metadata-eval100.0%
associate-+l+100.0%
metadata-eval100.0%
Simplified100.0%
Taylor expanded in d3 around inf 82.7%
Final simplification76.2%
(FPCore (d1 d2 d3) :precision binary64 (if (<= d3 7.2e+21) (* d1 (+ d2 37.0)) (* d1 (+ d3 37.0))))
double code(double d1, double d2, double d3) {
double tmp;
if (d3 <= 7.2e+21) {
tmp = d1 * (d2 + 37.0);
} else {
tmp = d1 * (d3 + 37.0);
}
return tmp;
}
real(8) function code(d1, d2, d3)
real(8), intent (in) :: d1
real(8), intent (in) :: d2
real(8), intent (in) :: d3
real(8) :: tmp
if (d3 <= 7.2d+21) then
tmp = d1 * (d2 + 37.0d0)
else
tmp = d1 * (d3 + 37.0d0)
end if
code = tmp
end function
public static double code(double d1, double d2, double d3) {
double tmp;
if (d3 <= 7.2e+21) {
tmp = d1 * (d2 + 37.0);
} else {
tmp = d1 * (d3 + 37.0);
}
return tmp;
}
def code(d1, d2, d3): tmp = 0 if d3 <= 7.2e+21: tmp = d1 * (d2 + 37.0) else: tmp = d1 * (d3 + 37.0) return tmp
function code(d1, d2, d3) tmp = 0.0 if (d3 <= 7.2e+21) tmp = Float64(d1 * Float64(d2 + 37.0)); else tmp = Float64(d1 * Float64(d3 + 37.0)); end return tmp end
function tmp_2 = code(d1, d2, d3) tmp = 0.0; if (d3 <= 7.2e+21) tmp = d1 * (d2 + 37.0); else tmp = d1 * (d3 + 37.0); end tmp_2 = tmp; end
code[d1_, d2_, d3_] := If[LessEqual[d3, 7.2e+21], N[(d1 * N[(d2 + 37.0), $MachinePrecision]), $MachinePrecision], N[(d1 * N[(d3 + 37.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;d3 \leq 7.2 \cdot 10^{+21}:\\
\;\;\;\;d1 \cdot \left(d2 + 37\right)\\
\mathbf{else}:\\
\;\;\;\;d1 \cdot \left(d3 + 37\right)\\
\end{array}
\end{array}
if d3 < 7.2e21Initial program 98.8%
cancel-sign-sub98.8%
+-commutative98.8%
*-commutative98.8%
distribute-lft-out100.0%
distribute-lft-neg-out100.0%
distribute-rgt-neg-in100.0%
distribute-lft-out--100.0%
associate-+r+100.0%
+-commutative100.0%
associate--l+100.0%
sub-neg100.0%
metadata-eval100.0%
metadata-eval100.0%
associate-+l+100.0%
metadata-eval100.0%
Simplified100.0%
Taylor expanded in d3 around 0 73.5%
if 7.2e21 < d3 Initial program 98.6%
cancel-sign-sub98.6%
+-commutative98.6%
*-commutative98.6%
distribute-lft-out100.0%
distribute-lft-neg-out100.0%
distribute-rgt-neg-in100.0%
distribute-lft-out--100.0%
associate-+r+100.0%
+-commutative100.0%
associate--l+100.0%
sub-neg100.0%
metadata-eval100.0%
metadata-eval100.0%
associate-+l+100.0%
metadata-eval100.0%
Simplified100.0%
Taylor expanded in d2 around 0 82.7%
Final simplification76.2%
(FPCore (d1 d2 d3) :precision binary64 (* d1 37.0))
double code(double d1, double d2, double d3) {
return d1 * 37.0;
}
real(8) function code(d1, d2, d3)
real(8), intent (in) :: d1
real(8), intent (in) :: d2
real(8), intent (in) :: d3
code = d1 * 37.0d0
end function
public static double code(double d1, double d2, double d3) {
return d1 * 37.0;
}
def code(d1, d2, d3): return d1 * 37.0
function code(d1, d2, d3) return Float64(d1 * 37.0) end
function tmp = code(d1, d2, d3) tmp = d1 * 37.0; end
code[d1_, d2_, d3_] := N[(d1 * 37.0), $MachinePrecision]
\begin{array}{l}
\\
d1 \cdot 37
\end{array}
Initial program 98.8%
cancel-sign-sub98.8%
+-commutative98.8%
*-commutative98.8%
distribute-lft-out100.0%
distribute-lft-neg-out100.0%
distribute-rgt-neg-in100.0%
distribute-lft-out--100.0%
associate-+r+100.0%
+-commutative100.0%
associate--l+100.0%
sub-neg100.0%
metadata-eval100.0%
metadata-eval100.0%
associate-+l+100.0%
metadata-eval100.0%
Simplified100.0%
Taylor expanded in d2 around 0 65.1%
distribute-lft-in65.1%
fma-define65.1%
Applied egg-rr65.1%
Taylor expanded in d3 around 0 23.2%
*-commutative23.2%
Simplified23.2%
Final simplification23.2%
(FPCore (d1 d2 d3) :precision binary64 (* d1 (+ (+ 37.0 d3) d2)))
double code(double d1, double d2, double d3) {
return d1 * ((37.0 + d3) + d2);
}
real(8) function code(d1, d2, d3)
real(8), intent (in) :: d1
real(8), intent (in) :: d2
real(8), intent (in) :: d3
code = d1 * ((37.0d0 + d3) + d2)
end function
public static double code(double d1, double d2, double d3) {
return d1 * ((37.0 + d3) + d2);
}
def code(d1, d2, d3): return d1 * ((37.0 + d3) + d2)
function code(d1, d2, d3) return Float64(d1 * Float64(Float64(37.0 + d3) + d2)) end
function tmp = code(d1, d2, d3) tmp = d1 * ((37.0 + d3) + d2); end
code[d1_, d2_, d3_] := N[(d1 * N[(N[(37.0 + d3), $MachinePrecision] + d2), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
d1 \cdot \left(\left(37 + d3\right) + d2\right)
\end{array}
herbie shell --seed 2024071
(FPCore (d1 d2 d3)
:name "FastMath dist3"
:precision binary64
:alt
(* d1 (+ (+ 37.0 d3) d2))
(+ (+ (* d1 d2) (* (+ d3 5.0) d1)) (* d1 32.0)))