Details

Time bar (total: 18.2s)

sample86.0ms

Algorithm
intervals
Results
25.0ms91×body10240exit
25.0ms69×body1280valid
14.0ms55×body640valid
5.0ms31×body320valid
4.0ms90×body80valid
1.0ms11×body160valid

simplify8.0ms

Counts
1 → 1
Iterations
IterNodes
done11
211
110
05

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 40.7b

localize8.0ms

Local error

Found 2 expressions with local error:

0.3b
(/ (exp x) (- (exp x) 1))
3.6b
(- (exp x) 1)

rewrite55.0ms

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-/r*
difference-of-sqr-1 distribute-lft-out--
add-cbrt-cube add-log-exp
add-exp-log associate-/l*
pow1 flip3-- associate-/r/ insert-posit16 flip--
cbrt-undiv clear-num sub-neg frac-2neg diff-log div-exp div-inv
Counts
2 → 63
Calls
2 calls:
41.0ms
(/ (exp x) (- (exp x) 1))
10.0ms
(- (exp x) 1)

series47.0ms

Counts
2 → 6
Calls
2 calls:
26.0ms
(/ (exp x) (- (exp x) 1))
21.0ms
(- (exp x) 1)

simplify1.9s

Counts
69 → 69
Iterations
IterNodes
done5010
31632
2502
1203
0101

prune211.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.2b

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
0.4b
(* 1/12 x)

rewrite58.0ms

Algorithm
rewrite-expression-head
Rules
add-log-exp
add-sqr-sqrt
pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt
sum-log associate-*r* associate-*l*
insert-posit16
+-commutative associate-+r+ flip3-+ pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ unswap-sqr
Counts
2 → 33
Calls
2 calls:
50.0ms
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
7.0ms
(* 1/12 x)

series47.0ms

Counts
2 → 6
Calls
2 calls:
21.0ms
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
26.0ms
(* 1/12 x)

simplify1.9s

Counts
39 → 39
Iterations
IterNodes
done5006
31777
2480
1156
060

prune106.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.2b

localize28.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (/ (exp x) (+ (exp x) 1)) (- (exp x) 1))
0.3b
(* (/ (/ (exp x) (+ (exp x) 1)) (- (exp x) 1)) (+ (exp x) 1))
0.3b
(/ (exp x) (+ (exp x) 1))
3.6b
(- (exp x) 1)

rewrite286.0ms

Algorithm
rewrite-expression-head
Rules
447×times-frac
386×*-un-lft-identity
333×add-sqr-sqrt
172×add-cube-cbrt
132×associate-*l*
76×difference-of-squares
50×distribute-lft-out
38×difference-of-sqr-1 distribute-lft-out--
36×associate-/r/
21×associate-/l*
20×add-cbrt-cube
18×flip3-+ flip-+ div-inv
17×add-exp-log
11×associate-/r*
cbrt-undiv div-exp
pow1 add-log-exp
associate-*r* insert-posit16
flip3-- prod-exp cbrt-unprod flip-- unswap-sqr
frac-times clear-num frac-2neg associate-*r/
distribute-rgt-in sub-neg distribute-lft-in diff-log pow-prod-down associate-*l/ *-commutative associate-/l/
Counts
4 → 382
Calls
4 calls:
55.0ms
(/ (/ (exp x) (+ (exp x) 1)) (- (exp x) 1))
160.0ms
(* (/ (/ (exp x) (+ (exp x) 1)) (- (exp x) 1)) (+ (exp x) 1))
30.0ms
(/ (exp x) (+ (exp x) 1))
16.0ms
(- (exp x) 1)

series227.0ms

Counts
4 → 12
Calls
4 calls:
127.0ms
(/ (/ (exp x) (+ (exp x) 1)) (- (exp x) 1))
46.0ms
(* (/ (/ (exp x) (+ (exp x) 1)) (- (exp x) 1)) (+ (exp x) 1))
37.0ms
(/ (exp x) (+ (exp x) 1))
17.0ms
(- (exp x) 1)

simplify1.6s

Counts
394 → 394
Iterations
IterNodes
done5000
11513
0389

prune1.2s

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.2b

localize33.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (+ (* (exp x) (* (exp x) (exp x))) -1) (+ (+ (exp x) 1) (* (exp x) (exp x))))
0.3b
(* (/ (/ (exp x) (+ (exp x) 1)) (/ (+ (* (exp x) (* (exp x) (exp x))) -1) (+ (+ (exp x) 1) (* (exp x) (exp x))))) (+ (exp x) 1))
0.3b
(/ (exp x) (+ (exp x) 1))
3.6b
(+ (* (exp x) (* (exp x) (exp x))) -1)

rewrite1.0s

Algorithm
rewrite-expression-head
Rules
641×times-frac
369×*-un-lft-identity
287×add-sqr-sqrt
275×associate-*l*
269×add-cube-cbrt
71×associate-/r/
50×distribute-lft-out
39×flip3-+ flip-+
36×div-inv
26×add-cbrt-cube
23×add-exp-log
10×cbrt-undiv div-exp
associate-/r*
pow1 associate-/l* add-log-exp
prod-exp cbrt-unprod unswap-sqr
associate-*r* insert-posit16
frac-times clear-num frac-2neg associate-*r/ associate-/l/
distribute-rgt-in +-commutative sum-log distribute-lft-in pow-prod-down associate-*l/ *-commutative
Counts
4 → 389
Calls
4 calls:
308.0ms
(/ (+ (* (exp x) (* (exp x) (exp x))) -1) (+ (+ (exp x) 1) (* (exp x) (exp x))))
564.0ms
(* (/ (/ (exp x) (+ (exp x) 1)) (/ (+ (* (exp x) (* (exp x) (exp x))) -1) (+ (+ (exp x) 1) (* (exp x) (exp x))))) (+ (exp x) 1))
22.0ms
(/ (exp x) (+ (exp x) 1))
61.0ms
(+ (* (exp x) (* (exp x) (exp x))) -1)

series327.0ms

Counts
4 → 12
Calls
4 calls:
99.0ms
(/ (+ (* (exp x) (* (exp x) (exp x))) -1) (+ (+ (exp x) 1) (* (exp x) (exp x))))
143.0ms
(* (/ (/ (exp x) (+ (exp x) 1)) (/ (+ (* (exp x) (* (exp x) (exp x))) -1) (+ (+ (exp x) 1) (* (exp x) (exp x))))) (+ (exp x) 1))
34.0ms
(/ (exp x) (+ (exp x) 1))
50.0ms
(+ (* (exp x) (* (exp x) (exp x))) -1)

simplify3.7s

Counts
401 → 401
Iterations
IterNodes
done5003
13125
0618

prune2.3s

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.2b

regimes126.0ms

Accuracy

98.8% (0.2b remaining)

Error of 0.6b against oracle of 0.4b and baseline of 21.2b

bsearch1.0ms

simplify5.0ms

Iterations
IterNodes
done34
134
025

end0.0ms

sample2.9s

Algorithm
intervals
Results
1.1s2428×body10240exit
866.0ms2245×body1280valid
444.0ms1667×body640valid
163.0ms828×body320valid
129.0ms2832×body80valid
41.0ms431×body160valid