Details

Time bar (total: 7.3s)

sample42.0ms

Algorithm
intervals
Results
13.0ms77×body1280valid
10.0ms103×body10240exit
6.0ms58×body640valid
2.0ms21×body320valid
2.0ms85×body80valid
1.0ms15×body160valid

simplify4.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
057
177
287
done87

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 42.4b

localize4.0ms

Local error

Found 2 expressions with local error:

0.3b
(/ (exp x) (- (exp x) 1.0))
3.9b
(- (exp x) 1.0)

rewrite14.0ms

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:
8.0ms
(/ (exp x) (- (exp x) 1.0))
4.0ms
(- (exp x) 1.0)

series45.0ms

Counts
2 → 6
Calls
2 calls:
26.0ms
(/ (exp x) (- (exp x) 1.0))
19.0ms
(- (exp x) 1.0)

simplify951.0ms

Counts
57 → 57
Iterations

Useful iterations: done (949.0ms)

IterNodesCost
091640
1181614
2461579
31780577
done5001576

prune130.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0b

localize6.0ms

Local error

Found 2 expressions with local error:

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

rewrite24.0ms

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:
20.0ms
(+ 1/2 (+ (* 1/12 x) (/ 1 x)))
3.0ms
(* 1/12 x)

series29.0ms

Counts
2 → 6
Calls
2 calls:
14.0ms
(+ 1/2 (+ (* 1/12 x) (/ 1 x)))
14.0ms
(* 1/12 x)

simplify835.0ms

Counts
38 → 38
Iterations

Useful iterations: 2 (57.0ms)

IterNodesCost
059337
1153311
2440287
31496287
done5000287

prune66.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

localize5.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1.0 (exp x))
0.0b
(/ 1 (- 1 (/ 1.0 (exp x))))
3.9b
(- 1 (/ 1.0 (exp x)))

rewrite36.0ms

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:
3.0ms
(/ 1.0 (exp x))
21.0ms
(/ 1 (- 1 (/ 1.0 (exp x))))
9.0ms
(- 1 (/ 1.0 (exp x)))

series102.0ms

Counts
3 → 9
Calls
3 calls:
13.0ms
(/ 1.0 (exp x))
52.0ms
(/ 1 (- 1 (/ 1.0 (exp x))))
36.0ms
(- 1 (/ 1.0 (exp x)))

simplify2.4s

Counts
106 → 106
Iterations

Useful iterations: 3 (834.0ms)

IterNodesCost
01621303
13101155
29081099
339001094
done50001094

prune164.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0b

localize7.0ms

Local error

Found 3 expressions with local error:

0.3b
(/ (exp x) (log (exp (- (exp x) 1.0))))
3.9b
(log (exp (- (exp x) 1.0)))
3.9b
(- (exp x) 1.0)

rewrite40.0ms

Algorithm
rewrite-expression-head
Rules
35×add-sqr-sqrt *-un-lft-identity
30×log-pow
27×times-frac
25×exp-prod
23×add-cube-cbrt
associate-/r*
pow1
distribute-lft-out-- difference-of-squares
log-prod add-cbrt-cube add-log-exp
add-exp-log
associate-/l*
sub-neg exp-sum
cbrt-undiv log-div flip3-- frac-2neg exp-diff diff-log div-exp rem-log-exp clear-num flip-- div-inv
Counts
3 → 85
Calls
3 calls:
20.0ms
(/ (exp x) (log (exp (- (exp x) 1.0))))
12.0ms
(log (exp (- (exp x) 1.0)))
4.0ms
(- (exp x) 1.0)

series60.0ms

Counts
3 → 9
Calls
3 calls:
31.0ms
(/ (exp x) (log (exp (- (exp x) 1.0))))
14.0ms
(log (exp (- (exp x) 1.0)))
15.0ms
(- (exp x) 1.0)

simplify1.0s

Counts
94 → 94
Iterations

Useful iterations: done (1.0s)

IterNodesCost
01371170
1233972
2526926
31803916
done5000915

prune170.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0b

regimes55.0ms

Accuracy

96.7% (0.7b remaining)

Error of 0.7b against oracle of 0.0b and baseline of 21.3b

bsearch1.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01723
12223
done2223

end0.0ms

sample1.1s

Algorithm
intervals
Results
382.0ms2234×body1280valid
281.0ms2651×body10240exit
180.0ms1657×body640valid
57.0ms840×body320valid
53.0ms2847×body80valid
19.0ms425×body160valid