Details

Time bar (total: 30.0s)

sample57.0ms

Algorithm
intervals
Results
21.0ms56×body1280valid
11.0ms38×body640valid
8.0ms131×body80valid
4.0ms20×body320valid
1.0ms11×body160valid

simplify12.8s

Counts
1 → 1
Iterations
IterNodes
99892
81985
7571
6236
5102
450
329
222
118
09

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.3b

localize15.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ 1 (exp (* -2 x)))
0.0b
(/ 2 (+ 1 (exp (* -2 x))))
3.0b
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

rewrite70.0ms

Algorithm
rewrite-expression-head
Rules
26×*-un-lft-identity
23×add-sqr-sqrt
15×times-frac
12×add-cube-cbrt
add-log-exp
add-cbrt-cube add-exp-log distribute-lft-out
associate-/r* difference-of-squares
pow1 insert-posit16 associate-/l*
flip3-+ difference-of-sqr-1 associate-/r/ flip-+
cbrt-undiv +-commutative clear-num sum-log sub-neg frac-2neg flip3-- diff-log div-exp div-inv flip-- distribute-lft-out--
Counts
3 → 67
Calls
3 calls:
5.0ms
(+ 1 (exp (* -2 x)))
11.0ms
(/ 2 (+ 1 (exp (* -2 x))))
53.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

series128.0ms

Counts
3 → 9
Calls
3 calls:
15.0ms
(+ 1 (exp (* -2 x)))
39.0ms
(/ 2 (+ 1 (exp (* -2 x))))
74.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

simplify2.8s

Counts
76 → 76
Iterations
IterNodes
43911
31437
2615
1266
0120

prune731.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize21.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (exp (* -2 x)) 1)
0.0b
(/ 2 (+ (exp (* -2 x)) 1))
3.0b
(- (/ 2 (+ (exp (* -2 x)) 1)) 1)

rewrite113.0ms

Algorithm
rewrite-expression-head
Rules
26×*-un-lft-identity
23×add-sqr-sqrt
15×times-frac
12×add-cube-cbrt
add-log-exp
add-cbrt-cube add-exp-log distribute-lft-out
associate-/r* difference-of-squares
pow1 insert-posit16 associate-/l*
flip3-+ difference-of-sqr-1 associate-/r/ flip-+
cbrt-undiv +-commutative clear-num sum-log sub-neg frac-2neg flip3-- diff-log div-exp div-inv flip-- distribute-lft-out--
Counts
3 → 67
Calls
3 calls:
14.0ms
(+ (exp (* -2 x)) 1)
20.0ms
(/ 2 (+ (exp (* -2 x)) 1))
78.0ms
(- (/ 2 (+ (exp (* -2 x)) 1)) 1)

series136.0ms

Counts
3 → 9
Calls
3 calls:
16.0ms
(+ (exp (* -2 x)) 1)
32.0ms
(/ 2 (+ (exp (* -2 x)) 1))
87.0ms
(- (/ 2 (+ (exp (* -2 x)) 1)) 1)

simplify3.2s

Counts
76 → 76
Iterations
IterNodes
44276
31395
2565
1257
0117

prune581.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

localize24.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (pow x 5) 2/15)
0.1b
(* (* x -1/3) (* x x))
0.4b
(* x -1/3)
20.3b
(+ (+ (* (pow x 5) 2/15) x) (* (* x -1/3) (* x x)))

rewrite92.0ms

Algorithm
rewrite-expression-head
Rules
23×add-exp-log
20×add-cbrt-cube
18×pow1
16×add-sqr-sqrt
12×prod-exp
11×associate-*l*
10×cbrt-unprod
*-un-lft-identity pow-prod-down add-cube-cbrt add-log-exp
associate-*r*
unpow-prod-down insert-posit16 unswap-sqr
sum-log *-commutative
sqr-pow
pow-to-exp +-commutative associate-+l+ flip3-+ pow-exp flip-+
Counts
4 → 82
Calls
4 calls:
9.0ms
(* (pow x 5) 2/15)
35.0ms
(* (* x -1/3) (* x x))
5.0ms
(* x -1/3)
42.0ms
(+ (+ (* (pow x 5) 2/15) x) (* (* x -1/3) (* x x)))

series220.0ms

Counts
4 → 12
Calls
4 calls:
82.0ms
(* (pow x 5) 2/15)
50.0ms
(* (* x -1/3) (* x x))
17.0ms
(* x -1/3)
70.0ms
(+ (+ (* (pow x 5) 2/15) x) (* (* x -1/3) (* x x)))

simplify1.9s

Counts
94 → 94
Iterations
IterNodes
34962
21061
1321
0132

prune767.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize44.0ms

Local error

Found 4 expressions with local error:

0.1b
(* x (* (* x x) 1/3))
0.1b
(* (* x x) (* x x))
0.2b
(* (* x x) 1/3)
20.2b
(- (* 2/15 (* x (* (* x x) (* x x)))) (* x (* (* x x) 1/3)))

rewrite320.0ms

Algorithm
rewrite-expression-head
Rules
129×pow1
36×pow-prod-up
32×pow-prod-down
30×add-cbrt-cube add-exp-log
22×pow-sqr
18×pow-plus
17×prod-exp cbrt-unprod
13×pow2
add-sqr-sqrt
*-un-lft-identity add-cube-cbrt add-log-exp
associate-*r* associate-*l*
insert-posit16
*-commutative
unswap-sqr
sub-neg flip3-- diff-log swap-sqr flip--
Counts
4 → 119
Calls
4 calls:
55.0ms
(* x (* (* x x) 1/3))
31.0ms
(* (* x x) (* x x))
16.0ms
(* (* x x) 1/3)
215.0ms
(- (* 2/15 (* x (* (* x x) (* x x)))) (* x (* (* x x) 1/3)))

series351.0ms

Counts
4 → 12
Calls
4 calls:
56.0ms
(* x (* (* x x) 1/3))
57.0ms
(* (* x x) (* x x))
43.0ms
(* (* x x) 1/3)
195.0ms
(- (* 2/15 (* x (* (* x x) (* x x)))) (* x (* (* x x) 1/3)))

simplify1.7s

Counts
131 → 131
Iterations
IterNodes
33638
2902
1338
0121

prune1.0s

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes100.0ms

Accuracy

100% (0.0b remaining)

Error of 0.0b against oracle of 0.0b and baseline of 29.0b

bsearch135.0ms

Steps
ItersRangePoint
10
0.0027002530800994988
446233850.42817044
0.00654275487662059
8
-0.5883935043627003
-0.00125944232679287
-0.007463572132942926

simplify5.0ms

Iterations
IterNodes
237
137
025

end0.0ms

sample2.7s

Algorithm
intervals
Results
1.4s1696×body1280valid
513.0ms1210×body640valid
340.0ms4139×body80valid
203.0ms634×body320valid
55.0ms321×body160valid