Details

Time bar (total: 9.6s)

sample79.0ms

Algorithm
intervals
Results
21.0ms74×body1280valid
18.0ms91×body10240exit
15.0ms59×body640valid
3.0ms26×body320valid
3.0ms81×body80valid
1.0ms16×body160valid

simplify7.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
057
177
287
done87

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 43.4b

localize7.0ms

Local error

Found 2 expressions with local error:

0.3b
(/ (exp x) (- (exp x) 1.0))
4.1b
(- (exp x) 1.0)

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt *-un-lft-identity
15×times-frac
12×add-cube-cbrt
associate-/r* distribute-lft-out-- difference-of-squares
add-cbrt-cube add-log-exp
add-exp-log associate-/l*
pow1 flip3-- associate-/r/ flip--
cbrt-undiv sub-neg frac-2neg diff-log div-exp clear-num div-inv
Counts
2 → 51
Calls
2 calls:
18.0ms
(/ (exp x) (- (exp x) 1.0))
10.0ms
(- (exp x) 1.0)

series83.0ms

Counts
2 → 6
Calls
2 calls:
43.0ms
(/ (exp x) (- (exp x) 1.0))
40.0ms
(- (exp x) 1.0)

simplify1.3s

Counts
57 → 57
Iterations

Useful iterations: 3 (555.0ms)

IterNodesCost
091640
1191614
2648581
33086577
done5000577

prune207.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ 1/2 (+ (* 1/12 x) (/ 1 x)))
0.3b
(* 1/12 x)

rewrite39.0ms

Algorithm
rewrite-expression-head
Rules
add-log-exp
add-sqr-sqrt *-un-lft-identity
pow1 add-exp-log add-cube-cbrt add-cbrt-cube
associate-*r* associate-*l* sum-log
+-commutative associate-+r+ flip3-+ pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ distribute-lft-out unswap-sqr
Counts
2 → 32
Calls
2 calls:
31.0ms
(+ 1/2 (+ (* 1/12 x) (/ 1 x)))
7.0ms
(* 1/12 x)

series41.0ms

Counts
2 → 6
Calls
2 calls:
21.0ms
(+ 1/2 (+ (* 1/12 x) (/ 1 x)))
20.0ms
(* 1/12 x)

simplify1.2s

Counts
38 → 38
Iterations

Useful iterations: 2 (110.0ms)

IterNodesCost
059337
1156311
2494287
32185287
done5000287

prune199.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize17.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1.0 (exp x))
0.0b
(/ 1 (- 1 (/ 1.0 (exp x))))
4.1b
(- 1 (/ 1.0 (exp x)))

rewrite68.0ms

Algorithm
rewrite-expression-head
Rules
64×add-sqr-sqrt
44×*-un-lft-identity
43×times-frac
24×add-cube-cbrt
20×difference-of-squares
11×associate-/r*
add-exp-log
add-cbrt-cube
associate-/l*
distribute-lft-out-- add-log-exp
pow1
div-exp
cbrt-undiv flip3-- frac-2neg clear-num associate-/r/ flip-- div-inv
sub-neg rec-exp pow-flip diff-log 1-exp inv-pow
Counts
3 → 97
Calls
3 calls:
10.0ms
(/ 1.0 (exp x))
35.0ms
(/ 1 (- 1 (/ 1.0 (exp x))))
15.0ms
(- 1 (/ 1.0 (exp x)))

series162.0ms

Counts
3 → 9
Calls
3 calls:
26.0ms
(/ 1.0 (exp x))
79.0ms
(/ 1 (- 1 (/ 1.0 (exp x))))
57.0ms
(- 1 (/ 1.0 (exp x)))

simplify964.0ms

Counts
106 → 106
Iterations

Useful iterations: done (959.0ms)

IterNodesCost
01621303
13451155
212621101
done50011096

prune377.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

localize51.0ms

Local error

Found 4 expressions with local error:

0.3b
(* 1/12 x)
0.3b
(* 1/12 x)
0.3b
(* 1/12 x)
39.5b
(/ (+ 1/8 (pow (+ (* 1/12 x) (/ 1 x)) 3)) (+ (* (+ (* 1/12 x) (/ 1 x)) (- (+ (* 1/12 x) (/ 1 x)) 1/2)) 1/4))

rewrite402.0ms

Algorithm
rewrite-expression-head
Rules
27×*-un-lft-identity
25×add-sqr-sqrt
19×add-cube-cbrt
12×add-exp-log times-frac add-cbrt-cube
10×pow1
associate-*r* associate-*l*
distribute-lft-out associate-/l* add-log-exp
pow-prod-down prod-exp associate-/r* *-commutative cbrt-unprod unswap-sqr
flip3-+ associate-/r/ flip-+ associate-/l/
cbrt-undiv frac-2neg div-exp clear-num div-inv
Counts
4 → 89
Calls
4 calls:
7.0ms
(* 1/12 x)
8.0ms
(* 1/12 x)
7.0ms
(* 1/12 x)
378.0ms
(/ (+ 1/8 (pow (+ (* 1/12 x) (/ 1 x)) 3)) (+ (* (+ (* 1/12 x) (/ 1 x)) (- (+ (* 1/12 x) (/ 1 x)) 1/2)) 1/4))

series159.0ms

Counts
4 → 12
Calls
4 calls:
22.0ms
(* 1/12 x)
17.0ms
(* 1/12 x)
16.0ms
(* 1/12 x)
103.0ms
(/ (+ 1/8 (pow (+ (* 1/12 x) (/ 1 x)) 3)) (+ (* (+ (* 1/12 x) (/ 1 x)) (- (+ (* 1/12 x) (/ 1 x)) 1/2)) 1/4))

simplify768.0ms

Counts
101 → 101
Iterations

Useful iterations: 2 (158.0ms)

IterNodesCost
01042027
12691973
210201830
done50011830

prune476.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

regimes100.0ms

Accuracy

97.2% (0.6b remaining)

Error of 0.6b against oracle of 0.0b and baseline of 21.2b

bsearch1.0ms

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01622
12122
done2122

end0.0ms

sample2.8s

Algorithm
intervals
Results
1.2s2549×body10240exit
692.0ms2281×body1280valid
343.0ms1657×body640valid
137.0ms2831×body80valid
105.0ms821×body320valid
33.0ms410×body160valid