Details

Time bar (total: 46.2s)

sample113.0ms

Algorithm
intervals
Results
80.0ms180×body1280valid
11.0ms278×body80valid
9.0ms37×body640valid
2.0ms16×body320valid
1.0msbody160valid

simplify39.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
39.0ms
(+ (- (exp x) 2) (exp (- x)))

prune12.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 25.9b

localize43.0ms

Local error

Found 3 expressions with local error:

2.2b
(- (- (exp x) 2) (/ -1 (exp x)))
0.0b
(/ -1 (exp x))
0.0b
(- (exp x) 2)

rewrite91.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt *-un-lft-identity
11×add-cube-cbrt
10×times-frac add-log-exp
add-cbrt-cube
diff-log add-exp-log distribute-lft-out--
pow1 associate-/r* sub-neg flip3-- insert-posit16 flip-- associate-/l* difference-of-squares
associate--l+ frac-sub
associate--l- cbrt-undiv clear-num frac-2neg div-exp div-inv
Counts
3 → 66
Calls
3 calls:
Slowest
73.0ms
(- (- (exp x) 2) (/ -1 (exp x)))
8.0ms
(/ -1 (exp x))
8.0ms
(- (exp x) 2)

series121.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
80.0ms
(- (- (exp x) 2) (/ -1 (exp x)))
23.0ms
(- (exp x) 2)
17.0ms
(/ -1 (exp x))

simplify2.5s

Counts
53 → 75
Calls
53 calls:
Slowest
380.0ms
(/ (* (* -1 -1) -1) (* (* (exp x) (exp x)) (exp x)))
310.0ms
(- (* (- (pow (exp x) 3) (pow 2 3)) (exp x)) (* (+ (* (exp x) (exp x)) (+ (* 2 2) (* (exp x) 2))) -1))
211.0ms
(+ (pow x 2) (+ (* 1/12 (pow x 4)) (* 1/360 (pow x 6))))
185.0ms
(- (* (- (* (exp x) (exp x)) (* 2 2)) (exp x)) (* (+ (exp x) 2) -1))
169.0ms
(/ (exp (- (exp x) 2)) (exp (/ -1 (exp x))))

prune594.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.0b

localize30.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* x x) (* x x))
0.2b
(* (* x x) (* x x))
0.1b
(* 1/12 (* (* x x) (* x x)))
0.1b
(* (* (* (* x x) (* x x)) (* x x)) 1/360)

rewrite638.0ms

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
447.0ms
(* (* (* (* x x) (* x x)) (* x x)) 1/360)
111.0ms
(* 1/12 (* (* x x) (* x x)))
49.0ms
(* (* x x) (* x x))
26.0ms
(* (* x x) (* x x))

series231.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
93.0ms
(* (* (* (* x x) (* x x)) (* x x)) 1/360)
52.0ms
(* 1/12 (* (* x x) (* x x)))
50.0ms
(* (* x x) (* x x))
36.0ms
(* (* x x) (* x x))

simplify15.5s

Counts
202 → 215
Calls
202 calls:
Slowest
735.0ms
(* (* (* 1/12 1/12) 1/12) (* (* (* (* x x) x) (* (* x x) x)) (* (* (* x x) x) (* (* x x) x))))
647.0ms
(* (* (* 1/12 1/12) 1/12) (* (* (* (* x x) (* x x)) (* (* x x) (* x x))) (* (* x x) (* x x))))
464.0ms
(* (* (* (* x x) (* x x)) (* x x)) 1/360)
436.0ms
(* (* (* (* x x) (* x x)) (* x x)) (* (* (* x x) x) (* (* x x) x)))
419.0ms
(* (* (* (* x x) (* x x)) (* x x)) 1/360)

prune1.8s

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize11.0ms

Local error

Found 3 expressions with local error:

2.2b
(- (- (exp x) 2) (/ -1 (exp x)))
0.0b
(/ -1 (exp x))
0.0b
(- (exp x) 2)

rewrite108.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt *-un-lft-identity
11×add-cube-cbrt
10×times-frac add-log-exp
add-cbrt-cube
diff-log add-exp-log distribute-lft-out--
pow1 associate-/r* sub-neg flip3-- insert-posit16 flip-- associate-/l* difference-of-squares
associate--l+ frac-sub
associate--l- cbrt-undiv clear-num frac-2neg div-exp div-inv
Counts
3 → 66
Calls
3 calls:
Slowest
81.0ms
(- (- (exp x) 2) (/ -1 (exp x)))
16.0ms
(- (exp x) 2)
10.0ms
(/ -1 (exp x))

series115.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
78.0ms
(- (- (exp x) 2) (/ -1 (exp x)))
21.0ms
(- (exp x) 2)
16.0ms
(/ -1 (exp x))

simplify2.4s

Counts
53 → 75
Calls
53 calls:
Slowest
390.0ms
(/ (* (* -1 -1) -1) (* (* (exp x) (exp x)) (exp x)))
319.0ms
(- (* (- (pow (exp x) 3) (pow 2 3)) (exp x)) (* (+ (* (exp x) (exp x)) (+ (* 2 2) (* (exp x) 2))) -1))
291.0ms
(+ (pow x 2) (+ (* 1/12 (pow x 4)) (* 1/360 (pow x 6))))
171.0ms
(- (* (- (* (exp x) (exp x)) (* 2 2)) (exp x)) (* (+ (exp x) 2) -1))
149.0ms
(* (+ (* (exp x) (exp x)) (+ (* 2 2) (* (exp x) 2))) (exp x))

prune621.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.0b

localize27.0ms

Local error

Found 4 expressions with local error:

2.4b
(- (* (exp x) (+ (* (exp x) (exp x)) -4)) (- -2 (exp x)))
0.3b
(/ (- (* (exp x) (+ (* (exp x) (exp x)) -4)) (- -2 (exp x))) (* (+ (exp x) 2) (exp x)))
0.0b
(* (exp x) (exp x))
0.0b
(* (+ (exp x) 2) (exp x))

rewrite190.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt
20×*-un-lft-identity
18×exp-prod add-cube-cbrt
13×pow1 add-cbrt-cube
add-exp-log add-log-exp
associate-*r/ frac-sub
associate-*l*
flip3-+ flip3-- associate-*r* flip-+ flip-- associate-/l/
pow-prod-down
associate-*l/ pow-sqr pow-prod-up insert-posit16
times-frac diff-log swap-sqr prod-exp cbrt-unprod associate-/l*
cbrt-undiv sub-neg div-exp associate--l+ associate-/r/ *-commutative associate--r+ unswap-sqr
pow2 distribute-rgt-in clear-num associate-/r* frac-2neg distribute-lft-in pow-plus div-sub div-inv distribute-lft-out associate--r-
Counts
4 → 111
Calls
4 calls:
Slowest
103.0ms
(/ (- (* (exp x) (+ (* (exp x) (exp x)) -4)) (- -2 (exp x))) (* (+ (exp x) 2) (exp x)))
46.0ms
(- (* (exp x) (+ (* (exp x) (exp x)) -4)) (- -2 (exp x)))
26.0ms
(* (+ (exp x) 2) (exp x))
13.0ms
(* (exp x) (exp x))

series368.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
229.0ms
(/ (- (* (exp x) (+ (* (exp x) (exp x)) -4)) (- -2 (exp x))) (* (+ (exp x) 2) (exp x)))
91.0ms
(- (* (exp x) (+ (* (exp x) (exp x)) -4)) (- -2 (exp x)))
25.0ms
(* (+ (exp x) 2) (exp x))
23.0ms
(* (exp x) (exp x))

simplify13.9s

Counts
99 → 123
Calls
99 calls:
Slowest
931.0ms
(- (* (* (exp x) (+ (pow (* (exp x) (exp x)) 3) (pow -4 3))) (+ (* -2 -2) (+ (* (exp x) (exp x)) (* -2 (exp x))))) (* (+ (* (* (exp x) (exp x)) (* (exp x) (exp x))) (- (* -4 -4) (* (* (exp x) (exp x)) -4))) (- (pow -2 3) (pow (exp x) 3))))
674.0ms
(- (* (* (exp x) (+ (pow (* (exp x) (exp x)) 3) (pow -4 3))) (+ (* -2 -2) (+ (* (exp x) (exp x)) (* -2 (exp x))))) (* (+ (* (* (exp x) (exp x)) (* (exp x) (exp x))) (- (* -4 -4) (* (* (exp x) (exp x)) -4))) (- (pow -2 3) (pow (exp x) 3))))
616.0ms
(* (* (* (+ (exp x) 2) (+ (exp x) 2)) (+ (exp x) 2)) (* (* (exp x) (exp x)) (exp x)))
592.0ms
(/ (* (* (- (* (exp x) (+ (* (exp x) (exp x)) -4)) (- -2 (exp x))) (- (* (exp x) (+ (* (exp x) (exp x)) -4)) (- -2 (exp x)))) (- (* (exp x) (+ (* (exp x) (exp x)) -4)) (- -2 (exp x)))) (* (* (* (+ (exp x) 2) (exp x)) (* (+ (exp x) 2) (exp x))) (* (+ (exp x) 2) (exp x))))
589.0ms
(/ (* (* (- (* (exp x) (+ (* (exp x) (exp x)) -4)) (- -2 (exp x))) (- (* (exp x) (+ (* (exp x) (exp x)) -4)) (- -2 (exp x)))) (- (* (exp x) (+ (* (exp x) (exp x)) -4)) (- -2 (exp x)))) (* (* (* (+ (exp x) 2) (+ (exp x) 2)) (+ (exp x) 2)) (* (* (exp x) (exp x)) (exp x))))

prune1.2s

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0.0b

regimes60.0ms

Accuracy

63.6% (0.2b remaining)

Error of 0.3b against oracle of 0.0b and baseline of 0.6b

bsearch70.0ms

end0.0ms

sample5.3s

Algorithm
intervals
Results
3.9s5670×body1280valid
607.0ms8016×body80valid
439.0ms1233×body640valid
122.0ms612×body320valid
39.0ms304×body160valid