Details

Time bar (total: 36.4s)

sample78.0ms

Algorithm
intervals
Results
54.0ms179×body1280valid
6.0ms231×body80valid
5.0ms32×body640valid
2.0ms23×body320valid
1.0ms18×body160valid

simplify29.4s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
078
1148
2268
3408
4528
5698
6938
71448
82828
917228
done50008

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.6b

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (exp x) 2.0)
6.5b
(+ (- (exp x) 2.0) (exp (- x)))

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
*-un-lft-identity add-log-exp
add-sqr-sqrt frac-add
flip3-- flip--
pow1 add-exp-log neg-sub0 exp-neg add-cube-cbrt sub-neg associate-+l+ exp-diff diff-log sum-log add-cbrt-cube distribute-lft-out distribute-lft-out--
+-commutative associate-+l- flip3-+ flip-+ difference-of-squares
Counts
2 → 35
Calls
2 calls:
4.0ms
(- (exp x) 2.0)
22.0ms
(+ (- (exp x) 2.0) (exp (- x)))

series68.0ms

Counts
2 → 6
Calls
2 calls:
12.0ms
(- (exp x) 2.0)
55.0ms
(+ (- (exp x) 2.0) (exp (- x)))

simplify1.3s

Counts
41 → 41
Iterations

Useful iterations: 3 (252.0ms)

IterNodesCost
093511
1212465
2620445
32706432
done5000432

prune87.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))
0.0b
(+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))))
0.1b
(* 1/360 (pow x 6))
0.1b
(* 1/12 (pow x 4))

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
14×add-exp-log associate-*r*
12×*-un-lft-identity
11×add-log-exp
10×add-cube-cbrt
unpow-prod-down add-cbrt-cube
associate-*l* prod-exp unswap-sqr
pow1 sum-log sqr-pow
+-commutative pow-to-exp flip3-+ pow-exp *-commutative cbrt-unprod flip-+
associate-+r+ distribute-lft-out
Counts
4 → 75
Calls
4 calls:
3.0ms
(+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))
11.0ms
(+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))))
5.0ms
(* 1/360 (pow x 6))
5.0ms
(* 1/12 (pow x 4))

series245.0ms

Counts
4 → 12
Calls
4 calls:
117.0ms
(+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))
50.0ms
(+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))))
43.0ms
(* 1/360 (pow x 6))
35.0ms
(* 1/12 (pow x 4))

simplify557.0ms

Counts
87 → 87
Iterations

Useful iterations: 2 (126.0ms)

IterNodesCost
01331068
1338934
21273888
done5001888

prune193.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (pow x 2) (+ (* 1/360 (pow x 6)) (log (exp (* 1/12 (pow x 4))))))
0.1b
(* 1/360 (pow x 6))
0.1b
(* 1/12 (pow x 4))
2.6b
(log (exp (* 1/12 (pow x 4))))

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
21×add-sqr-sqrt
14×add-exp-log associate-*r*
13×*-un-lft-identity
11×add-cube-cbrt
add-log-exp
unpow-prod-down add-cbrt-cube
associate-*l* prod-exp unswap-sqr
pow1
sqr-pow
log-prod sum-log log-pow
pow-to-exp pow-exp *-commutative cbrt-unprod
+-commutative associate-+r+ exp-prod exp-to-pow flip3-+ rem-log-exp flip-+ distribute-lft-out
Counts
4 → 78
Calls
4 calls:
16.0ms
(+ (pow x 2) (+ (* 1/360 (pow x 6)) (log (exp (* 1/12 (pow x 4))))))
5.0ms
(* 1/360 (pow x 6))
5.0ms
(* 1/12 (pow x 4))
1.0ms
(log (exp (* 1/12 (pow x 4))))

series161.0ms

Counts
4 → 12
Calls
4 calls:
48.0ms
(+ (pow x 2) (+ (* 1/360 (pow x 6)) (log (exp (* 1/12 (pow x 4))))))
45.0ms
(* 1/360 (pow x 6))
32.0ms
(* 1/12 (pow x 4))
36.0ms
(log (exp (* 1/12 (pow x 4))))

simplify529.0ms

Counts
90 → 90
Iterations

Useful iterations: 2 (118.0ms)

IterNodesCost
01391013
1318859
21192799
done5001799

prune221.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize14.0ms

Local error

Found 4 expressions with local error:

0.1b
(* 1/360 (pow x 6))
0.1b
(* 1/12 (pow x 4))
2.7b
(exp (log (+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))))))
30.6b
(log (+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))))

rewrite35.0ms

Algorithm
rewrite-expression-head
Rules
23×add-sqr-sqrt
17×*-un-lft-identity
15×add-exp-log
14×associate-*r*
13×add-cube-cbrt
unpow-prod-down log-prod add-cbrt-cube
pow1 associate-*l* prod-exp unswap-sqr
log-div exp-prod exp-sum add-log-exp sqr-pow
pow-to-exp flip3-+ exp-diff pow-exp log-pow *-commutative cbrt-unprod flip-+ distribute-lft-out
rem-log-exp rem-exp-log
Counts
4 → 83
Calls
4 calls:
5.0ms
(* 1/360 (pow x 6))
5.0ms
(* 1/12 (pow x 4))
12.0ms
(exp (log (+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))))))
10.0ms
(log (+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))))

series218.0ms

Counts
4 → 12
Calls
4 calls:
47.0ms
(* 1/360 (pow x 6))
33.0ms
(* 1/12 (pow x 4))
53.0ms
(exp (log (+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))))))
85.0ms
(log (+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))))

simplify608.0ms

Counts
95 → 95
Iterations

Useful iterations: done (606.0ms)

IterNodesCost
01681463
13661308
213131183
done50001182

prune234.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

regimes19.0ms

Accuracy

0% (0.8b remaining)

Error of 0.9b against oracle of 0.1b and baseline of 0.9b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01517
11917
done1917

end0.0ms

sample2.3s

Algorithm
intervals
Results
1.7s5698×body1280valid
194.0ms1243×body640valid
191.0ms8117×body80valid
56.0ms588×body320valid
20.0ms314×body160valid