Details

Time bar (total: 12.3s)

sample61.0ms

Algorithm
intervals
Results
18.0ms68×body1280valid
16.0ms94×body10240exit
9.0ms54×body640valid
4.0ms31×body320valid
3.0ms92×body80valid
1.0ms11×body160valid

simplify4.0ms

Counts
1 → 1
Iterations
IterNodes
done8
28
17
05

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 41.4b

localize7.0ms

Local error

Found 2 expressions with local error:

0.5b
(/ (exp x) (- (exp x) 1.0))
3.9b
(- (exp x) 1.0)

rewrite36.0ms

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 clear-num sub-neg frac-2neg diff-log div-exp div-inv
Counts
2 → 51
Calls
2 calls:
14.0ms
(/ (exp x) (- (exp x) 1.0))
8.0ms
(- (exp x) 1.0)

series46.0ms

Counts
2 → 6
Calls
2 calls:
29.0ms
(/ (exp x) (- (exp x) 1.0))
17.0ms
(- (exp x) 1.0)

simplify1.2s

Counts
57 → 57
Iterations
IterNodes
done5002
31479
2540
1191
091

prune195.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.4b

localize16.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (exp x) (+ (* (* x x) (+ 1/2 (* 1/6 x))) x))
0.1b
(* (* x x) (+ 1/2 (* 1/6 x)))
0.3b
(* 1/6 x)

rewrite67.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt
14×*-un-lft-identity add-cube-cbrt
12×add-cbrt-cube
11×add-exp-log
10×pow1
times-frac
associate-*r*
associate-*l* pow-prod-down prod-exp cbrt-unprod
associate-/r* associate-/l* add-log-exp
flip3-+ associate-*r/ associate-/r/ *-commutative flip-+ unswap-sqr
distribute-rgt-in cbrt-undiv clear-num frac-2neg distribute-lft-in div-exp div-inv
Counts
3 → 70
Calls
3 calls:
35.0ms
(/ (exp x) (+ (* (* x x) (+ 1/2 (* 1/6 x))) x))
25.0ms
(* (* x x) (+ 1/2 (* 1/6 x)))
6.0ms
(* 1/6 x)

series154.0ms

Counts
3 → 9
Calls
3 calls:
59.0ms
(/ (exp x) (+ (* (* x x) (+ 1/2 (* 1/6 x))) x))
80.0ms
(* (* x x) (+ 1/2 (* 1/6 x)))
15.0ms
(* 1/6 x)

simplify1.4s

Counts
79 → 79
Iterations
IterNodes
done5002
21458
1404
0149

prune379.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.4b

localize9.0ms

Local error

Found 1 expressions with local error:

0.3b
(* 1/12 x)

rewrite12.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 *-un-lft-identity add-cbrt-cube associate-*r* associate-*l* add-exp-log add-cube-cbrt
pow-prod-down prod-exp *-commutative cbrt-unprod add-log-exp unswap-sqr
Counts
1 → 18
Calls
1 calls:
11.0ms
(* 1/12 x)

series28.0ms

Counts
1 → 3
Calls
1 calls:
28.0ms
(* 1/12 x)

simplify1.8s

Counts
21 → 21
Iterations
IterNodes
done5000
61597
5756
4504
3266
2120
163
030

prune112.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.4b

localize47.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt (* 1/12 x)) (cbrt (* 1/12 x)))
0.6b
(cbrt (* 1/12 x))
0.6b
(cbrt (* 1/12 x))
0.6b
(cbrt (* 1/12 x))

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
11×pow1
10×add-sqr-sqrt
pow1/3
*-un-lft-identity add-cube-cbrt
cbrt-prod
add-exp-log
add-cbrt-cube swap-sqr associate-*r* associate-*l* add-log-exp
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 58
Calls
4 calls:
15.0ms
(* (cbrt (* 1/12 x)) (cbrt (* 1/12 x)))
5.0ms
(cbrt (* 1/12 x))
5.0ms
(cbrt (* 1/12 x))
5.0ms
(cbrt (* 1/12 x))

series1.3s

Counts
4 → 12
Calls
4 calls:
308.0ms
(* (cbrt (* 1/12 x)) (cbrt (* 1/12 x)))
302.0ms
(cbrt (* 1/12 x))
336.0ms
(cbrt (* 1/12 x))
334.0ms
(cbrt (* 1/12 x))

simplify2.3s

Counts
70 → 70
Iterations
IterNodes
done5003
42640
3771
2322
1134
055

prune328.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.4b

regimes37.0ms

Accuracy

0% (0.2b remaining)

Error of 0.9b against oracle of 0.7b and baseline of 0.9b

bsearch0.0ms

simplify3.0ms

Iterations
IterNodes
done14
114
010

end0.0ms

sample2.7s

Algorithm
intervals
Results
1.1s2597×body10240exit
765.0ms2334×body1280valid
371.0ms1560×body640valid
104.0ms868×body320valid
94.0ms2820×body80valid
39.0ms419×body160valid