Details

Time bar (total: 23.8s)

sample260.0ms

Algorithm
intervals
Results
167.0ms118×body1280valid
46.0ms69×body640valid
15.0ms40×body320valid
14.0ms256×pre80true
5.0ms23×body160valid
1.0msbody80valid

simplify8.0ms

Counts
1 → 1
Iterations
IterNodes
done13
213
112
07

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 61.0b

localize21.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (log (- 1 x)) (log (+ 1 x)))
6.4b
(log (- 1 x))
6.5b
(log (+ 1 x))

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
20×*-un-lft-identity
18×add-sqr-sqrt
16×times-frac
15×pow1 add-cube-cbrt
12×log-pow
10×log-prod
add-exp-log
log-div
add-cbrt-cube
associate-/r* associate-/l*
insert-posit16 add-log-exp
flip3-- div-sub rem-log-exp flip-- difference-of-squares
cbrt-undiv clear-num frac-2neg flip3-+ div-exp flip-+ div-inv distribute-lft-out distribute-lft-out--
Counts
3 → 73
Calls
3 calls:
19.0ms
(/ (log (- 1 x)) (log (+ 1 x)))
5.0ms
(log (- 1 x))
5.0ms
(log (+ 1 x))

series161.0ms

Counts
3 → 9
Calls
3 calls:
77.0ms
(/ (log (- 1 x)) (log (+ 1 x)))
34.0ms
(log (- 1 x))
50.0ms
(log (+ 1 x))

simplify2.2s

Counts
82 → 82
Iterations
IterNodes
done5001
33941
21125
1404
0178

prune322.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.1b

localize12.0ms

Local error

Found 2 expressions with local error:

0.0b
(* -1/2 (* x x))
0.0b
(- (+ (* -1/2 (* x x)) -1) x)

rewrite101.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-cbrt-cube add-exp-log add-log-exp
add-sqr-sqrt
*-un-lft-identity
associate-*l* pow-prod-down prod-exp add-cube-cbrt cbrt-unprod
diff-log insert-posit16
sum-log sub-neg flip3-- associate-*r* associate--l+ *-commutative flip-- distribute-lft-out-- difference-of-squares unswap-sqr
Counts
2 → 37
Calls
2 calls:
13.0ms
(* -1/2 (* x x))
88.0ms
(- (+ (* -1/2 (* x x)) -1) x)

series85.0ms

Counts
2 → 6
Calls
2 calls:
51.0ms
(* -1/2 (* x x))
34.0ms
(- (+ (* -1/2 (* x x)) -1) x)

simplify2.9s

Counts
43 → 43
Iterations
IterNodes
done5001
32834
2581
1182
074

prune107.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.1b

localize33.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (+ (* -1/2 (* x x)) -1) x)
0.0b
(* (* (- (+ (* -1/2 (* x x)) -1) x) (- (+ (* -1/2 (* x x)) -1) x)) (- (+ (* -1/2 (* x x)) -1) x))
0.0b
(cbrt (* (* (- (+ (* -1/2 (* x x)) -1) x) (- (+ (* -1/2 (* x x)) -1) x)) (- (+ (* -1/2 (* x x)) -1) x)))
0.0b
(* (- (+ (* -1/2 (* x x)) -1) x) (- (+ (* -1/2 (* x x)) -1) x))

rewrite2.1s

Algorithm
rewrite-expression-head
Rules
61×flip3-- flip--
60×frac-times
30×pow1 associate-*l/
27×*-un-lft-identity
26×cbrt-div
24×add-sqr-sqrt
18×associate-*r/
11×add-cbrt-cube add-exp-log
10×associate-*r*
add-cube-cbrt add-log-exp
distribute-lft-out--
pow-plus swap-sqr pow-prod-up
distribute-rgt-in distribute-lft-in associate-*l* difference-of-squares
sub-neg associate--l+
pow-prod-down prod-exp cbrt-unprod insert-posit16
pow2 pow-sqr
diff-log pow3 *-commutative unswap-sqr
cbrt-prod sum-log pow1/3 rem-cbrt-cube
Counts
4 → 165
Calls
4 calls:
129.0ms
(- (+ (* -1/2 (* x x)) -1) x)
870.0ms
(* (* (- (+ (* -1/2 (* x x)) -1) x) (- (+ (* -1/2 (* x x)) -1) x)) (- (+ (* -1/2 (* x x)) -1) x))
507.0ms
(cbrt (* (* (- (+ (* -1/2 (* x x)) -1) x) (- (+ (* -1/2 (* x x)) -1) x)) (- (+ (* -1/2 (* x x)) -1) x)))
557.0ms
(* (- (+ (* -1/2 (* x x)) -1) x) (- (+ (* -1/2 (* x x)) -1) x))

series175.0ms

Counts
4 → 12
Calls
4 calls:
24.0ms
(- (+ (* -1/2 (* x x)) -1) x)
50.0ms
(* (* (- (+ (* -1/2 (* x x)) -1) x) (- (+ (* -1/2 (* x x)) -1) x)) (- (+ (* -1/2 (* x x)) -1) x))
56.0ms
(cbrt (* (* (- (+ (* -1/2 (* x x)) -1) x) (- (+ (* -1/2 (* x x)) -1) x)) (- (+ (* -1/2 (* x x)) -1) x)))
44.0ms
(* (- (+ (* -1/2 (* x x)) -1) x) (- (+ (* -1/2 (* x x)) -1) x))

simplify2.3s

Counts
177 → 177
Iterations
IterNodes
done5006
22497
1639
0231

prune613.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.1b

localize20.0ms

Local error

Found 4 expressions with local error:

0.0b
(cbrt (- (+ (* -1/2 (* x x)) -1) x))
0.0b
(cbrt (- (+ (* -1/2 (* x x)) -1) x))
0.0b
(cbrt (- (+ (* -1/2 (* x x)) -1) x))
0.0b
(* (cbrt (- (+ (* -1/2 (* x x)) -1) x)) (cbrt (- (+ (* -1/2 (* x x)) -1) x)))

rewrite897.0ms

Algorithm
rewrite-expression-head
Rules
43×cbrt-prod
37×add-sqr-sqrt
35×*-un-lft-identity
18×cbrt-div
15×add-cube-cbrt
11×pow1
10×swap-sqr
flip3-- pow1/3 flip-- distribute-lft-out--
associate-*r* associate-*l*
difference-of-squares
add-exp-log
frac-times add-cbrt-cube insert-posit16 add-log-exp unswap-sqr
pow-prod-down associate-*l/ associate-*r/ pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 105
Calls
4 calls:
407.0ms
(cbrt (- (+ (* -1/2 (* x x)) -1) x))
54.0ms
(cbrt (- (+ (* -1/2 (* x x)) -1) x))
66.0ms
(cbrt (- (+ (* -1/2 (* x x)) -1) x))
370.0ms
(* (cbrt (- (+ (* -1/2 (* x x)) -1) x)) (cbrt (- (+ (* -1/2 (* x x)) -1) x)))

series414.0ms

Counts
4 → 12
Calls
4 calls:
116.0ms
(cbrt (- (+ (* -1/2 (* x x)) -1) x))
102.0ms
(cbrt (- (+ (* -1/2 (* x x)) -1) x))
86.0ms
(cbrt (- (+ (* -1/2 (* x x)) -1) x))
110.0ms
(* (cbrt (- (+ (* -1/2 (* x x)) -1) x)) (cbrt (- (+ (* -1/2 (* x x)) -1) x)))

simplify2.4s

Counts
117 → 117
Iterations
IterNodes
done5011
32896
2918
1358
0160

prune544.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.1b

regimes37.0ms

Accuracy

0% (0.4b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 0.4b

bsearch0.0ms

simplify2.0ms

Iterations
IterNodes
done9
19
07

end0.0ms

sample8.0s

Algorithm
intervals
Results
5.2s3460×body1280valid
1.8s2461×body640valid
423.0ms1227×body320valid
307.0ms8000×pre80true
125.0ms632×body160valid
19.0ms220×body80valid