
(FPCore (x) :precision binary64 (* (* x 3.0) x))
double code(double x) {
return (x * 3.0) * x;
}
real(8) function code(x)
real(8), intent (in) :: x
code = (x * 3.0d0) * x
end function
public static double code(double x) {
return (x * 3.0) * x;
}
def code(x): return (x * 3.0) * x
function code(x) return Float64(Float64(x * 3.0) * x) end
function tmp = code(x) tmp = (x * 3.0) * x; end
code[x_] := N[(N[(x * 3.0), $MachinePrecision] * x), $MachinePrecision]
\begin{array}{l}
\\
\left(x \cdot 3\right) \cdot x
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 3 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x) :precision binary64 (* (* x 3.0) x))
double code(double x) {
return (x * 3.0) * x;
}
real(8) function code(x)
real(8), intent (in) :: x
code = (x * 3.0d0) * x
end function
public static double code(double x) {
return (x * 3.0) * x;
}
def code(x): return (x * 3.0) * x
function code(x) return Float64(Float64(x * 3.0) * x) end
function tmp = code(x) tmp = (x * 3.0) * x; end
code[x_] := N[(N[(x * 3.0), $MachinePrecision] * x), $MachinePrecision]
\begin{array}{l}
\\
\left(x \cdot 3\right) \cdot x
\end{array}
(FPCore (x) :precision binary64 (* 3.0 (* x x)))
double code(double x) {
return 3.0 * (x * x);
}
real(8) function code(x)
real(8), intent (in) :: x
code = 3.0d0 * (x * x)
end function
public static double code(double x) {
return 3.0 * (x * x);
}
def code(x): return 3.0 * (x * x)
function code(x) return Float64(3.0 * Float64(x * x)) end
function tmp = code(x) tmp = 3.0 * (x * x); end
code[x_] := N[(3.0 * N[(x * x), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
3 \cdot \left(x \cdot x\right)
\end{array}
Initial program 99.7%
Taylor expanded in x around 0 99.8%
unpow299.8%
Applied egg-rr99.8%
(FPCore (x) :precision binary64 (* 3.0 x))
double code(double x) {
return 3.0 * x;
}
real(8) function code(x)
real(8), intent (in) :: x
code = 3.0d0 * x
end function
public static double code(double x) {
return 3.0 * x;
}
def code(x): return 3.0 * x
function code(x) return Float64(3.0 * x) end
function tmp = code(x) tmp = 3.0 * x; end
code[x_] := N[(3.0 * x), $MachinePrecision]
\begin{array}{l}
\\
3 \cdot x
\end{array}
Initial program 99.7%
expm1-log1p-u74.6%
expm1-undefine48.2%
flip3--30.5%
log1p-undefine30.5%
rem-exp-log30.5%
metadata-eval30.5%
log1p-undefine30.5%
rem-exp-log30.5%
log1p-undefine30.5%
rem-exp-log30.9%
metadata-eval30.9%
log1p-undefine30.9%
rem-exp-log41.6%
Applied egg-rr41.6%
Taylor expanded in x around 0 53.1%
*-commutative53.1%
Simplified53.1%
Taylor expanded in x around 0 53.1%
Taylor expanded in x around inf 4.5%
(FPCore (x) :precision binary64 1.0)
double code(double x) {
return 1.0;
}
real(8) function code(x)
real(8), intent (in) :: x
code = 1.0d0
end function
public static double code(double x) {
return 1.0;
}
def code(x): return 1.0
function code(x) return 1.0 end
function tmp = code(x) tmp = 1.0; end
code[x_] := 1.0
\begin{array}{l}
\\
1
\end{array}
Initial program 99.7%
expm1-log1p-u74.6%
expm1-undefine48.2%
flip3--30.5%
log1p-undefine30.5%
rem-exp-log30.5%
metadata-eval30.5%
log1p-undefine30.5%
rem-exp-log30.5%
log1p-undefine30.5%
rem-exp-log30.9%
metadata-eval30.9%
log1p-undefine30.9%
rem-exp-log41.6%
Applied egg-rr41.6%
Taylor expanded in x around 0 53.1%
*-commutative53.1%
Simplified53.1%
Taylor expanded in x around inf 4.2%
herbie shell --seed 2024110
(FPCore (x)
:name "Diagrams.Tangent:$catParam from diagrams-lib-1.3.0.3, F"
:precision binary64
(* (* x 3.0) x))