Details

Time bar (total: 1.9m)

sample168.0ms

Algorithm
intervals
Results
110.0ms182×body1280valid
24.0ms282×body80valid
15.0ms39×body640valid
5.0ms19×body320valid
1.0msbody160valid

simplify67.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
67.0ms
(+ (- (exp x) 2) (exp (- x)))

prune26.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 28.8b

localize17.0ms

Local error

Found 2 expressions with local error:

3.0b
(+ (- (exp x) 2) (exp (- x)))
0.0b
(- (exp x) 2)

rewrite58.0ms

Algorithm
rewrite-expression-head
Rules
*-un-lft-identity add-log-exp
add-sqr-sqrt frac-add
flip3-- flip--
neg-sub0 exp-neg pow1 associate-+l+ sum-log sub-neg add-cbrt-cube exp-diff diff-log add-exp-log add-cube-cbrt insert-posit16 distribute-lft-out distribute-lft-out--
+-commutative flip3-+ associate-+l- flip-+ difference-of-squares
Counts
2 → 37
Calls
2 calls:
Slowest
39.0ms
(+ (- (exp x) 2) (exp (- x)))
18.0ms
(- (exp x) 2)

series97.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
83.0ms
(+ (- (exp x) 2) (exp (- x)))
14.0ms
(- (exp x) 2)

simplify2.5s

Counts
25 → 43
Calls
25 calls:
Slowest
418.0ms
(+ (* (- (* (exp x) (exp x)) (* 2 2)) (exp x)) (* (+ (exp x) 2) (exp 0)))
241.0ms
(+ (* (- (pow (exp x) 3) (pow 2 3)) (exp x)) (* (+ (* (exp x) (exp x)) (+ (* 2 2) (* (exp x) 2))) 1))
238.0ms
(+ (* (- (pow (exp x) 3) (pow 2 3)) (exp x)) (* (+ (* (exp x) (exp x)) (+ (* 2 2) (* (exp x) 2))) (exp 0)))
217.0ms
(- (+ (exp (* -1 x)) (exp x)) 2)
217.0ms
(+ (pow x 2) (+ (* 1/12 (pow x 4)) (* 1/360 (pow x 6))))

prune304.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize18.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* x x) (* x x))
0.1b
(* (* x x) (* x x))
0.1b
(* 1/12 (* (* x x) (* x x)))
0.1b
(* (* (* (* x x) (* x x)) (* x x)) 1/360)

rewrite501.0ms

Algorithm
rewrite-expression-head
Rules
297×pow1
101×pow-prod-down
99×add-cbrt-cube add-exp-log
72×pow-prod-up
71×prod-exp cbrt-unprod
44×pow-sqr
36×pow-plus
26×pow2
add-sqr-sqrt
*-un-lft-identity associate-*r* associate-*l* add-cube-cbrt
*-commutative insert-posit16 add-log-exp
unswap-sqr
swap-sqr
Counts
4 → 203
Calls
4 calls:
Slowest
371.0ms
(* (* (* (* x x) (* x x)) (* x x)) 1/360)
72.0ms
(* 1/12 (* (* x x) (* x x)))
26.0ms
(* (* x x) (* x x))
25.0ms
(* (* x x) (* x x))

series257.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
78.0ms
(* (* (* (* x x) (* x x)) (* x x)) 1/360)
68.0ms
(* (* x x) (* x x))
56.0ms
(* 1/12 (* (* x x) (* x x)))
55.0ms
(* (* x x) (* x x))

simplify15.7s

Counts
202 → 215
Calls
202 calls:
Slowest
833.0ms
(* (* (* (* x x) (* x x)) (* x x)) 1/360)
767.0ms
(* (* (* 1/12 1/12) 1/12) (* (* (* (* x x) x) (* (* x x) x)) (* (* (* x x) x) (* (* x x) x))))
518.0ms
(* (* (* 1/12 1/12) 1/12) (* (* (* (* x x) (* x x)) (* (* x x) (* x x))) (* (* x x) (* x x))))
514.0ms
(* (* (* (* x x) (* x x)) (* x x)) 1/360)
513.0ms
(* (* (* (* x x) (* x x)) (* x x)) 1/360)

prune1.7s

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize30.0ms

Local error

Found 4 expressions with local error:

3.0b
(- (* (- (exp x) 2) (- (exp x) 2)) (* (exp (- x)) (exp (- x))))
0.0b
(* (- (exp x) 2) (- (exp x) 2))
0.0b
(* (exp (- x)) (exp (- x)))
0.0b
(/ (- (* (- (exp x) 2) (- (exp x) 2)) (* (exp (- x)) (exp (- x)))) (- (- (exp x) 2) (exp (- x))))

rewrite333.0ms

Algorithm
rewrite-expression-head
Rules
148×frac-sub
144×frac-times
121×exp-neg
119×flip3-- flip--
104×neg-sub0 exp-diff
95×*-un-lft-identity
76×exp-prod
74×associate-/l/
72×associate-*l/ associate-*r/
64×add-sqr-sqrt
42×add-cube-cbrt
24×distribute-rgt-neg-in times-frac
21×distribute-lft-out--
20×distribute-lft-neg-in
18×pow1
17×un-div-inv difference-of-squares
16×pow-prod-down
14×pow-sqr pow-prod-up
10×add-cbrt-cube swap-sqr
neg-mul-1 associate-*r* associate-*l* add-exp-log
associate-/r* associate-/r/ add-log-exp
sub-neg
distribute-rgt-in distribute-lft-in associate--l+ insert-posit16 associate-/l*
pow2 pow-plus prod-exp *-commutative cbrt-unprod unswap-sqr
cbrt-undiv clear-num frac-2neg diff-log div-sub div-exp div-inv
Counts
4 → 337
Calls
4 calls:
Slowest
141.0ms
(/ (- (* (- (exp x) 2) (- (exp x) 2)) (* (exp (- x)) (exp (- x)))) (- (- (exp x) 2) (exp (- x))))
85.0ms
(* (- (exp x) 2) (- (exp x) 2))
68.0ms
(- (* (- (exp x) 2) (- (exp x) 2)) (* (exp (- x)) (exp (- x))))
23.0ms
(* (exp (- x)) (exp (- x)))

series400.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
254.0ms
(/ (- (* (- (exp x) 2) (- (exp x) 2)) (* (exp (- x)) (exp (- x)))) (- (- (exp x) 2) (exp (- x))))
95.0ms
(- (* (- (exp x) 2) (- (exp x) 2)) (* (exp (- x)) (exp (- x))))
33.0ms
(* (- (exp x) 2) (- (exp x) 2))
18.0ms
(* (exp (- x)) (exp (- x)))

simplify1.3m

Counts
457 → 349
Calls
457 calls:
Slowest
692.0ms
(* (* (+ (* (exp x) (exp x)) (+ (* 2 2) (* (exp x) 2))) (+ (* (exp x) (exp x)) (+ (* 2 2) (* (exp x) 2)))) (exp x))
675.0ms
(* (* (+ (* (exp x) (exp x)) (+ (* 2 2) (* (exp x) 2))) (+ (* (exp x) (exp x)) (+ (* 2 2) (* (exp x) 2)))) (exp x))
646.0ms
(- (* (* (- (* (exp x) (exp x)) (* 2 2)) (- (* (exp x) (exp x)) (* 2 2))) (exp x)) (* (* (+ (exp x) 2) (+ (exp x) 2)) (exp (- x))))
633.0ms
(* (* (+ (* (exp x) (exp x)) (+ (* 2 2) (* (exp x) 2))) (+ (* (exp x) (exp x)) (+ (* 2 2) (* (exp x) 2)))) (exp x))
617.0ms
(* (* (+ (exp x) 2) (+ (* (exp x) (exp x)) (+ (* 2 2) (* (exp x) 2)))) (* (exp x) (exp x)))

prune2.4s

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize20.0ms

Local error

Found 4 expressions with local error:

2.8b
(- (- (exp x) 2) (/ -1 (exp x)))
0.2b
(exp (+ (log (- (- (exp x) 2) (/ -1 (exp x)))) 0))
0.0b
(- (exp x) 2)
0.0b
(/ -1 (exp x))

rewrite69.0ms

Algorithm
rewrite-expression-head
Rules
23×*-un-lft-identity
20×add-sqr-sqrt
13×add-cube-cbrt add-log-exp
10×times-frac
add-cbrt-cube
pow1 exp-prod flip3-- add-exp-log flip--
log-div exp-diff diff-log frac-sub associate-+l- insert-posit16 distribute-lft-out--
associate-/r* sub-neg associate-/l* difference-of-squares
associate--l+ distribute-lft-out rem-exp-log
associate--l- cbrt-undiv clear-num sum-log frac-2neg div-exp exp-sum log-pow div-inv
Counts
4 → 86
Calls
4 calls:
Slowest
40.0ms
(- (- (exp x) 2) (/ -1 (exp x)))
17.0ms
(exp (+ (log (- (- (exp x) 2) (/ -1 (exp x)))) 0))
7.0ms
(- (exp x) 2)
4.0ms
(/ -1 (exp x))

series135.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
57.0ms
(- (- (exp x) 2) (/ -1 (exp x)))
54.0ms
(exp (+ (log (- (- (exp x) 2) (/ -1 (exp x)))) 0))
12.0ms
(/ -1 (exp x))
12.0ms
(- (exp x) 2)

simplify2.8s

Counts
68 → 98
Calls
68 calls:
Slowest
274.0ms
(- (- (exp x) 2) (/ -1 (exp x)))
208.0ms
(/ (* (* -1 -1) -1) (* (* (exp x) (exp x)) (exp x)))
206.0ms
(exp (log (- (* (- (pow (exp x) 3) (pow 2 3)) (exp x)) (* (+ (* (exp x) (exp x)) (+ (* 2 2) (* (exp x) 2))) -1))))
185.0ms
(- (* (- (pow (exp x) 3) (pow 2 3)) (exp x)) (* (+ (* (exp x) (exp x)) (+ (* 2 2) (* (exp x) 2))) -1))
141.0ms
(exp (log (- (pow (- (exp x) 2) 3) (pow (/ -1 (exp x)) 3))))

prune566.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.0b

regimes27.0ms

Accuracy

0% (0.7b remaining)

Error of 0.8b against oracle of 0.0b and baseline of 0.8b

bsearch2.0ms

end0.0ms

sample3.5s

Algorithm
intervals
Results
2.5s5680×body1280valid
335.0ms1210×body640valid
331.0ms8152×body80valid
135.0ms601×body320valid
27.0ms315×body160valid