Details

Time bar (total: 20.4s)

sample100.0ms

Algorithm
intervals
Results
33.0ms84×body1280valid
30.0ms87×body10240exit
15.0ms54×body640valid
5.0ms25×body320valid
4.0ms80×body80valid
2.0ms13×body160valid

simplify28.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
28.0ms
(/ (exp x) (- (exp x) 1))

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 43.3b

localize16.0ms

Local error

Found 2 expressions with local error:

4.2b
(- (exp x) 1)
0.5b
(/ (exp x) (- (exp x) 1))

rewrite64.0ms

Algorithm
rewrite-expression-head
Rules
41×add-sqr-sqrt
36×*-un-lft-identity
21×times-frac add-cube-cbrt
10×difference-of-squares
prod-diff
associate-/r*
difference-of-sqr-1 distribute-lft-out--
add-cbrt-cube add-log-exp
fma-neg add-exp-log associate-/l*
expm1-log1p-u pow1 flip3-- associate-/r/ insert-posit16 log1p-expm1-u flip--
cbrt-undiv expm1-def clear-num sub-neg frac-2neg diff-log div-exp div-inv
Counts
2 → 80
Calls
2 calls:
Slowest
39.0ms
(- (exp x) 1)
23.0ms
(/ (exp x) (- (exp x) 1))

series43.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
27.0ms
(/ (exp x) (- (exp x) 1))
15.0ms
(- (exp x) 1)

simplify4.4s

Counts
121 → 86
Calls
121 calls:
Slowest
383.0ms
(/ (exp x) (- (pow (exp x) 3) (pow 1 3)))
309.0ms
(/ (* (* (exp x) (exp x)) (exp x)) (* (* (- (exp x) 1) (- (exp x) 1)) (- (exp x) 1)))
270.0ms
(* (* (- (exp x) 1) (- (exp x) 1)) (- (exp x) 1))
235.0ms
(+ x (+ (* 1/6 (pow x 3)) (* 1/2 (pow x 2))))
186.0ms
(* (* (/ (exp x) (- (exp x) 1)) (/ (exp x) (- (exp x) 1))) (/ (exp x) (- (exp x) 1)))

prune639.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.4b

localize16.0ms

Local error

Found 1 expressions with local error:

0.5b
(/ (exp x) (expm1 x))

rewrite12.0ms

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
Counts
1 → 30
Calls
1 calls:
Slowest
12.0ms
(/ (exp x) (expm1 x))

series27.0ms

Counts
1 → 3
Calls
1 calls:
Slowest
27.0ms
(/ (exp x) (expm1 x))

simplify1.1s

Counts
43 → 33
Calls
43 calls:
Slowest
385.0ms
(/ (* (* (exp x) (exp x)) (exp x)) (* (* (expm1 x) (expm1 x)) (expm1 x)))
251.0ms
(* (* (/ (exp x) (expm1 x)) (/ (exp x) (expm1 x))) (/ (exp x) (expm1 x)))
46.0ms
(/ (* (cbrt (exp x)) (cbrt (exp x))) (* (cbrt (expm1 x)) (cbrt (expm1 x))))
29.0ms
(/ (* (cbrt (exp x)) (cbrt (exp x))) 1)
27.0ms
(/ (exp x) (- (exp x) 1))

prune247.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.4b

localize22.0ms

Local error

Found 2 expressions with local error:

0.5b
(/ (expm1 x) (exp x))
0.0b
(/ 1 (/ (expm1 x) (exp x)))

rewrite34.0ms

Algorithm
rewrite-expression-head
Rules
84×times-frac
52×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
16×associate-/r*
11×add-exp-log
add-cbrt-cube
div-exp
div-inv associate-/l*
cbrt-undiv
pow1
expm1-log1p-u rec-exp clear-num frac-2neg 1-exp insert-posit16 log1p-expm1-u add-log-exp
div-sub associate-/r/ pow-flip inv-pow expm1-udef
Counts
2 → 110
Calls
2 calls:
Slowest
16.0ms
(/ 1 (/ (expm1 x) (exp x)))
15.0ms
(/ (expm1 x) (exp x))

series57.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
29.0ms
(/ (expm1 x) (exp x))
28.0ms
(/ 1 (/ (expm1 x) (exp x)))

simplify7.9s

Counts
166 → 116
Calls
166 calls:
Slowest
469.0ms
(/ (* (* 1 1) 1) (* (* (/ (expm1 x) (exp x)) (/ (expm1 x) (exp x))) (/ (expm1 x) (exp x))))
437.0ms
(* (* (/ 1 (/ (expm1 x) (exp x))) (/ 1 (/ (expm1 x) (exp x)))) (/ 1 (/ (expm1 x) (exp x))))
435.0ms
(/ (* (* (expm1 x) (expm1 x)) (expm1 x)) (* (* (exp x) (exp x)) (exp x)))
365.0ms
(- (+ x (* 1/6 (pow x 3))) (* 1/2 (pow x 2)))
261.0ms
(/ (* (cbrt 1) (cbrt 1)) (/ (* (cbrt (expm1 x)) (cbrt (expm1 x))) (* (cbrt (exp x)) (cbrt (exp x)))))

prune883.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize20.0ms

Local error

Found 1 expressions with local error:

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

rewrite1.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt expm1-log1p-u pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt fma-udef insert-posit16 log1p-expm1-u add-log-exp
Counts
1 → 11
Calls
1 calls:
Slowest
0.0ms
(fma x 1/12 (+ 1/2 (/ 1 x)))

series33.0ms

Counts
1 → 3
Calls
1 calls:
Slowest
32.0ms
(fma x 1/12 (+ 1/2 (/ 1 x)))

simplify778.0ms

Counts
14 → 14
Calls
14 calls:
Slowest
287.0ms
(* (* (fma x 1/12 (+ 1/2 (/ 1 x))) (fma x 1/12 (+ 1/2 (/ 1 x)))) (fma x 1/12 (+ 1/2 (/ 1 x))))
128.0ms
(exp (fma x 1/12 (+ 1/2 (/ 1 x))))
45.0ms
(cbrt (fma x 1/12 (+ 1/2 (/ 1 x))))
44.0ms
(sqrt (fma x 1/12 (+ 1/2 (/ 1 x))))
36.0ms
(+ (* 1/12 x) (+ (/ 1 x) 1/2))

prune106.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

regimes73.0ms

Accuracy

0% (0.4b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 0.4b

bsearch2.0ms

end0.0ms

sample3.8s

Algorithm
intervals
Results
1.4s2286×body1280valid
1.2s2561×body10240exit
518.0ms1695×body640valid
299.0ms2833×body80valid
163.0ms779×body320valid
53.0ms409×body160valid