Details

Time bar (total: 12.3s)

sample51.0ms

Algorithm
intervals
Results
13.0ms64×body1280valid
10.0ms76×body10240exit
7.0ms16×body160valid
6.0ms49×body640valid
3.0ms98×body80valid
2.0ms29×body320valid

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: 39.7b

localize7.0ms

Local error

Found 2 expressions with local error:

1.0b
(/ (exp x) (- (exp x) 1.0))
3.7b
(- (exp x) 1.0)

rewrite24.0ms

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)

series54.0ms

Counts
2 → 6
Calls
2 calls:
38.0ms
(/ (exp x) (- (exp x) 1.0))
16.0ms
(- (exp x) 1.0)

simplify1.5s

Counts
57 → 57
Iterations
IterNodes
done5000
32908
2645
1191
091

prune246.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.9b

localize19.0ms

Local error

Found 3 expressions with local error:

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

rewrite61.0ms

Algorithm
rewrite-expression-head
Rules
10×add-log-exp
*-un-lft-identity
add-sqr-sqrt
pow1 add-cbrt-cube add-exp-log add-cube-cbrt
sum-log
associate-*r* associate-*l*
+-commutative flip3-+ flip-+ distribute-lft-out
associate-+r+ pow-prod-down prod-exp *-commutative cbrt-unprod div-inv unswap-sqr
Counts
3 → 44
Calls
3 calls:
12.0ms
(+ (/ 1 x) 1/2)
40.0ms
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
7.0ms
(* 1/12 x)

series48.0ms

Counts
3 → 9
Calls
3 calls:
14.0ms
(+ (/ 1 x) 1/2)
16.0ms
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
18.0ms
(* 1/12 x)

simplify903.0ms

Counts
53 → 53
Iterations
IterNodes
done5000
2774
1209
073

prune251.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.9b

localize45.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt x) (cbrt x))
0.6b
(cbrt x)
0.6b
(cbrt x)
0.6b
(cbrt x)

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
23×add-sqr-sqrt
15×*-un-lft-identity add-cube-cbrt
11×pow1
pow1/3
swap-sqr associate-*r* associate-*l* add-exp-log
add-cbrt-cube add-log-exp unswap-sqr
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 73
Calls
4 calls:
9.0ms
(* (cbrt x) (cbrt x))
1.0ms
(cbrt x)
1.0ms
(cbrt x)
1.0ms
(cbrt x)

series1.2s

Counts
4 → 12
Calls
4 calls:
334.0ms
(* (cbrt x) (cbrt x))
261.0ms
(cbrt x)
309.0ms
(cbrt x)
260.0ms
(cbrt x)

simplify1.9s

Counts
85 → 85
Iterations
IterNodes
done5000
2727
1138
061

prune440.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.9b

localize36.0ms

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))

rewrite36.0ms

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:
26.0ms
(* (cbrt (* 1/12 x)) (cbrt (* 1/12 x)))
3.0ms
(cbrt (* 1/12 x))
3.0ms
(cbrt (* 1/12 x))
3.0ms
(cbrt (* 1/12 x))

series1.4s

Counts
4 → 12
Calls
4 calls:
395.0ms
(* (cbrt (* 1/12 x)) (cbrt (* 1/12 x)))
362.0ms
(cbrt (* 1/12 x))
328.0ms
(cbrt (* 1/12 x))
299.0ms
(cbrt (* 1/12 x))

simplify956.0ms

Counts
70 → 70
Iterations
IterNodes
done5000
2575
1137
055

prune344.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.9b

regimes111.0ms

Accuracy

99.2% (0.2b remaining)

Error of 0.6b against oracle of 0.5b and baseline of 21.6b

bsearch1.0ms

simplify9.0ms

Iterations
IterNodes
done40
140
029

end0.0ms

sample2.7s

Algorithm
intervals
Results
751.0ms2544×body10240exit
683.0ms2289×body1280valid
435.0ms792×body320valid
306.0ms1611×body640valid
148.0ms2894×body80valid
82.0ms417×body160valid