Details

Time bar (total: 13.8s)

sample49.0ms

Algorithm
intervals
Results
13.0ms68×body1280valid
12.0ms94×body10240exit
7.0ms54×body640valid
3.0ms31×body320valid
2.0ms92×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)

rewrite45.0ms

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:
19.0ms
(/ (exp x) (- (exp x) 1.0))
8.0ms
(- (exp x) 1.0)

series49.0ms

Counts
2 → 6
Calls
2 calls:
32.0ms
(/ (exp x) (- (exp x) 1.0))
17.0ms
(- (exp x) 1.0)

simplify1.5s

Counts
57 → 57
Iterations
IterNodes
done5000
32908
2645
1191
091

prune268.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.4b

localize25.0ms

Local error

Found 3 expressions with local error:

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

rewrite108.0ms

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:
66.0ms
(/ (exp x) (+ (* (* x x) (+ (* x 1/6) 1/2)) x))
35.0ms
(* (* x x) (+ (* x 1/6) 1/2))
5.0ms
(* x 1/6)

series205.0ms

Counts
3 → 9
Calls
3 calls:
68.0ms
(/ (exp x) (+ (* (* x x) (+ (* x 1/6) 1/2)) x))
121.0ms
(* (* x x) (+ (* x 1/6) 1/2))
16.0ms
(* x 1/6)

simplify3.7s

Counts
79 → 79
Iterations
IterNodes
done5002
23109
1431
0150

prune376.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.4b

localize8.0ms

Local error

Found 1 expressions with local error:

0.3b
(* 1/12 x)

rewrite6.0ms

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:
5.0ms
(* 1/12 x)

series22.0ms

Counts
1 → 3
Calls
1 calls:
22.0ms
(* 1/12 x)

simplify2.0s

Counts
21 → 21
Iterations
IterNodes
done5001
52346
41251
3484
2157
165
030

prune116.0ms

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))

rewrite39.0ms

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:
22.0ms
(* (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:
378.0ms
(* (cbrt (* 1/12 x)) (cbrt (* 1/12 x)))
313.0ms
(cbrt (* 1/12 x))
277.0ms
(cbrt (* 1/12 x))
357.0ms
(cbrt (* 1/12 x))

simplify871.0ms

Counts
70 → 70
Iterations
IterNodes
done5000
2575
1137
055

prune296.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.4b

regimes46.0ms

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
1.2s2334×body1280valid
635.0ms2597×body10240exit
333.0ms1560×body640valid
180.0ms2820×body80valid
107.0ms868×body320valid
70.0ms419×body160valid