Details

Time bar (total: 8.2s)

sample74.0ms

Algorithm
intervals
Results
23.0ms71×body1280valid
22.0ms85×body10240exit
11.0ms54×body640valid
4.0ms93×body80valid
4.0ms24×body320valid
2.0ms15×body160valid

simplify10.0ms

Calls
1 calls:
Slowest
10.0ms
(/ (exp x) (- (exp x) 1))

prune16.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 39.4b

localize7.0ms

Local error

Found 2 expressions with local error:

3.9b
(- (exp x) 1)
0.3b
(/ (exp x) (- (exp x) 1))

rewrite16.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt
12×*-un-lft-identity times-frac add-cube-cbrt
difference-of-sqr-1
associate-/r* add-cbrt-cube
fma-neg add-exp-log associate-/l*
expm1-log1p-u pow1 flip3-- associate-/r/ insert-posit16 log1p-expm1-u flip-- add-log-exp
cbrt-undiv expm1-def clear-num sub-neg frac-2neg div-exp div-inv
Calls
2 calls:
Slowest
11.0ms
(/ (exp x) (- (exp x) 1))
4.0ms
(- (exp x) 1)

series41.0ms

Calls
2 calls:
Slowest
23.0ms
(/ (exp x) (- (exp x) 1))
18.0ms
(- (exp x) 1)

simplify1.2s

Calls
43 calls:
Slowest
384.0ms
(/ (* (* (exp x) (exp x)) (exp x)) (* (* (- (exp x) 1) (- (exp x) 1)) (- (exp x) 1)))
184.0ms
(+ x (+ (* 1/6 (pow x 3)) (* 1/2 (pow x 2))))
68.0ms
(+ (* (exp x) (exp x)) (+ (* 1 1) (* (exp x) 1)))
43.0ms
(/ (* (cbrt (exp x)) (cbrt (exp x))) (* (cbrt (- (exp x) 1)) (cbrt (- (exp x) 1))))
39.0ms
(+ (* 1/12 x) (+ (/ 1 x) 1/2))

prune457.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.2b

localize8.0ms

Local error

Found 1 expressions with local error:

0.3b
(/ (exp x) (expm1 x))

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity times-frac add-cube-cbrt
associate-/r* add-cbrt-cube associate-/l*
add-exp-log
expm1-log1p-u pow1 cbrt-undiv clear-num frac-2neg div-exp insert-posit16 log1p-expm1-u div-inv add-log-exp
Calls
1 calls:
Slowest
4.0ms
(/ (exp x) (expm1 x))

series21.0ms

Calls
1 calls:
Slowest
21.0ms
(/ (exp x) (expm1 x))

simplify478.0ms

Calls
28 calls:
Slowest
209.0ms
(/ (* (* (exp x) (exp x)) (exp x)) (* (* (expm1 x) (expm1 x)) (expm1 x)))
43.0ms
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
29.0ms
(/ (* (cbrt (exp x)) (cbrt (exp x))) (* (cbrt (expm1 x)) (cbrt (expm1 x))))
28.0ms
(/ (* (cbrt (exp x)) (cbrt (exp x))) 1)
21.0ms
(/ (exp x) (- (exp x) 1))

prune308.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.2b

localize10.0ms

Local error

Found 2 expressions with local error:

2.0b
(expm1 (log1p (/ (exp x) (expm1 x))))
0.3b
(/ (exp x) (expm1 x))

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
times-frac
add-cbrt-cube
associate-/r* add-exp-log associate-/l*
expm1-log1p-u pow1 insert-posit16 log1p-expm1-u add-log-exp
cbrt-undiv expm1-log1p clear-num frac-2neg div-exp div-inv expm1-udef
Calls
2 calls:
Slowest
8.0ms
(/ (exp x) (expm1 x))
0.0ms
(expm1 (log1p (/ (exp x) (expm1 x))))

series186.0ms

Calls
2 calls:
Slowest
155.0ms
(expm1 (log1p (/ (exp x) (expm1 x))))
31.0ms
(/ (exp x) (expm1 x))

simplify766.0ms

Calls
32 calls:
Slowest
257.0ms
(- (+ (* 3/2 (* x (exp (- (log x))))) (+ (* 1/12 (* (pow x 2) (exp (- (log x))))) (exp (- (log x))))) 1)
178.0ms
(/ (* (* (exp x) (exp x)) (exp x)) (* (* (expm1 x) (expm1 x)) (expm1 x)))
32.0ms
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
30.0ms
(/ (* (cbrt (exp x)) (cbrt (exp x))) (* (cbrt (expm1 x)) (cbrt (expm1 x))))
20.0ms
(/ (exp x) (- (exp x) 1))

prune427.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.2b

localize12.0ms

Local error

Found 2 expressions with local error:

0.1b
(fma x 1/12 1/2)
0.0b
(+ (/ 1 x) (fma x 1/12 1/2))

rewrite5.0ms

Algorithm
rewrite-expression-head
Rules
*-un-lft-identity
fma-def add-log-exp
add-sqr-sqrt add-cube-cbrt
expm1-log1p-u pow1 add-cbrt-cube add-exp-log fma-udef insert-posit16 log1p-expm1-u div-inv distribute-lft-out
+-commutative associate-+r+ sum-log flip3-+ flip-+
Calls
2 calls:
Slowest
4.0ms
(+ (/ 1 x) (fma x 1/12 1/2))
0.0ms
(fma x 1/12 1/2)

series29.0ms

Calls
2 calls:
Slowest
18.0ms
(fma x 1/12 1/2)
11.0ms
(+ (/ 1 x) (fma x 1/12 1/2))

simplify297.0ms

Calls
11 calls:
Slowest
72.0ms
(* (exp (/ 1 x)) (exp (fma x 1/12 1/2)))
41.0ms
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
40.0ms
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
38.0ms
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
34.0ms
(+ (/ 1 x) (fma x 1/12 1/2))

prune255.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.2b

regimes41.0ms

Accuracy

98.9% (0.3b remaining)

Error of 0.7b against oracle of 0.4b and baseline of 23.2b

bsearch33.0ms

end0.0ms

sample3.5s

Algorithm
intervals
Results
1.4s2582×body10240exit
1.1s2225×body1280valid
506.0ms1685×body640valid
182.0ms2855×body80valid
154.0ms821×body320valid
49.0ms418×body160valid