Details

Time bar (total: 12.3s)

sample52.0ms

Algorithm
intervals
Results
23.0ms78×body1280valid
10.0ms51×body640valid
7.0ms169×body80valid
4.0ms26×body320valid
1.0ms14×body160valid

simplify7.0ms

Counts
1 → 1
Iterations
IterNodes
done18
318
216
113
05

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 40.6b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- (exp x) 1) x)
3.4b
(- (exp x) 1)

rewrite38.0ms

Algorithm
rewrite-expression-head
Rules
34×add-sqr-sqrt
29×*-un-lft-identity
21×times-frac
14×add-cube-cbrt
10×difference-of-squares
associate-/l*
difference-of-sqr-1 distribute-lft-out--
add-cbrt-cube add-exp-log add-log-exp
associate-/r*
pow1 flip3-- insert-posit16 flip-- associate-/l/
cbrt-undiv clear-num sub-neg frac-2neg diff-log div-sub div-exp div-inv
Counts
2 → 64
Calls
2 calls:
28.0ms
(/ (- (exp x) 1) x)
8.0ms
(- (exp x) 1)

series59.0ms

Counts
2 → 6
Calls
2 calls:
43.0ms
(/ (- (exp x) 1) x)
16.0ms
(- (exp x) 1)

simplify722.0ms

Counts
70 → 70
Iterations
IterNodes
done5000
2976
1262
0108

prune304.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.1b

localize23.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ 1/2 (* 1/6 x))
0.1b
(* x (+ 1/2 (* 1/6 x)))
0.4b
(* 1/6 x)

rewrite31.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt
pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt
associate-*r* associate-*l*
add-log-exp
insert-posit16
flip3-+ pow-prod-down prod-exp associate-*r/ *-commutative cbrt-unprod flip-+ unswap-sqr
distribute-rgt-in +-commutative sum-log distribute-lft-in
Counts
3 → 54
Calls
3 calls:
4.0ms
(+ 1/2 (* 1/6 x))
15.0ms
(* x (+ 1/2 (* 1/6 x)))
11.0ms
(* 1/6 x)

series186.0ms

Counts
3 → 9
Calls
3 calls:
69.0ms
(+ 1/2 (* 1/6 x))
93.0ms
(* x (+ 1/2 (* 1/6 x)))
24.0ms
(* 1/6 x)

simplify1.0s

Counts
63 → 63
Iterations
IterNodes
done5000
21004
1232
081

prune175.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

localize27.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ 1 (exp x))
0.0b
(/ (+ (exp (+ (+ x x) x)) -1) (+ 1 (* (exp x) (+ 1 (exp x)))))
0.0b
(/ (/ (+ (exp (+ (+ x x) x)) -1) (+ 1 (* (exp x) (+ 1 (exp x))))) x)
3.3b
(+ (exp (+ (+ x x) x)) -1)

rewrite856.0ms

Algorithm
rewrite-expression-head
Rules
138×times-frac
108×*-un-lft-identity
89×add-sqr-sqrt
72×add-cube-cbrt
26×associate-/l*
18×distribute-lft-out
17×difference-of-sqr--1
11×add-cbrt-cube add-exp-log
10×associate-/r/
flip3-+ flip-+ add-log-exp
associate-/r* div-inv
pow1 cbrt-undiv div-exp insert-posit16
associate-/l/
+-commutative clear-num sum-log frac-2neg
Counts
4 → 170
Calls
4 calls:
6.0ms
(+ 1 (exp x))
393.0ms
(/ (+ (exp (+ (+ x x) x)) -1) (+ 1 (* (exp x) (+ 1 (exp x)))))
333.0ms
(/ (/ (+ (exp (+ (+ x x) x)) -1) (+ 1 (* (exp x) (+ 1 (exp x))))) x)
118.0ms
(+ (exp (+ (+ x x) x)) -1)

series272.0ms

Counts
4 → 12
Calls
4 calls:
13.0ms
(+ 1 (exp x))
78.0ms
(/ (+ (exp (+ (+ x x) x)) -1) (+ 1 (* (exp x) (+ 1 (exp x)))))
144.0ms
(/ (/ (+ (exp (+ (+ x x) x)) -1) (+ 1 (* (exp x) (+ 1 (exp x))))) x)
37.0ms
(+ (exp (+ (+ x x) x)) -1)

simplify2.6s

Counts
182 → 182
Iterations
IterNodes
done5001
24240
1782
0288

prune818.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

localize71.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (exp x) (exp x))
0.0b
(* (exp x) (exp x))
0.3b
(+ (* 3 x) (+ (* 3 x) (* 3 x)))
3.2b
(+ (exp (+ (* 3 x) (+ (* 3 x) (* 3 x)))) -1)

rewrite185.0ms

Algorithm
rewrite-expression-head
Rules
36×exp-prod
29×add-sqr-sqrt
26×*-un-lft-identity
24×add-cube-cbrt
18×pow1
11×add-log-exp
add-cbrt-cube pow-prod-down pow-sqr pow-prod-up
swap-sqr associate-*r* associate-*l*
sum-log add-exp-log insert-posit16
distribute-lft-out
pow2 +-commutative flip3-+ pow-plus prod-exp *-commutative cbrt-unprod flip-+ unswap-sqr
difference-of-sqr--1 associate-+r+ count-2 distribute-rgt1-in
Counts
4 → 100
Calls
4 calls:
13.0ms
(* (exp x) (exp x))
19.0ms
(* (exp x) (exp x))
31.0ms
(+ (* 3 x) (+ (* 3 x) (* 3 x)))
120.0ms
(+ (exp (+ (* 3 x) (+ (* 3 x) (* 3 x)))) -1)

series120.0ms

Counts
4 → 12
Calls
4 calls:
21.0ms
(* (exp x) (exp x))
23.0ms
(* (exp x) (exp x))
48.0ms
(+ (* 3 x) (+ (* 3 x) (* 3 x)))
28.0ms
(+ (exp (+ (* 3 x) (+ (* 3 x) (* 3 x)))) -1)

simplify2.0s

Counts
112 → 112
Iterations
IterNodes
done5002
21873
1322
0114

prune450.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

regimes49.0ms

Accuracy

98.8% (0.3b remaining)

Error of 0.3b against oracle of 0.0b and baseline of 21.8b

bsearch66.0ms

Steps
ItersRangePoint
10
-0.00010358510568112945
-1.790535254998819e-16
-7.91242022931417e-05

simplify8.0ms

Iterations
IterNodes
done52
152
035

end0.0ms

sample2.1s

Algorithm
intervals
Results
870.0ms2164×body1280valid
502.0ms1661×body640valid
334.0ms5551×body80valid
175.0ms834×body320valid
70.0ms425×body160valid