Details

Time bar (total: 13.6s)

sample71.0ms

Algorithm
intervals
Results
32.0ms63×body1280valid
15.0ms57×body640valid
7.0ms22×body2560valid
5.0ms28×body320valid
3.0ms77×body80valid
1.0msbody160valid

simplify3.0ms

Counts
1 → 1
Iterations
IterNodes
done11
111
07

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 51.4b

localize26.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* x x) 1)
0.8b
(+ x (sqrt (+ (* x x) 1)))
2.4b
(log (+ x (sqrt (+ (* x x) 1))))
14.3b
(sqrt (+ (* x x) 1))

rewrite49.0ms

Algorithm
rewrite-expression-head
Rules
10×*-un-lft-identity
add-log-exp
add-sqr-sqrt
pow1 add-cube-cbrt
add-exp-log
log-prod flip3-+ add-cbrt-cube flip-+ insert-posit16
sqrt-prod
+-commutative log-div sum-log sqrt-div distribute-lft-out
rem-sqrt-square sqrt-pow1 pow1/2 rem-log-exp log-pow
Counts
4 → 57
Calls
4 calls:
7.0ms
(+ (* x x) 1)
16.0ms
(+ x (sqrt (+ (* x x) 1)))
16.0ms
(log (+ x (sqrt (+ (* x x) 1))))
9.0ms
(sqrt (+ (* x x) 1))

series282.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(+ (* x x) 1)
53.0ms
(+ x (sqrt (+ (* x x) 1)))
150.0ms
(log (+ x (sqrt (+ (* x x) 1))))
40.0ms
(sqrt (+ (* x x) 1))

simplify1.5s

Counts
69 → 69
Iterations
IterNodes
done5004
32367
2827
1307
0130

prune227.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.0b

localize21.0ms

Local error

Found 4 expressions with local error:

0.1b
(* 3/40 (pow x 5))
0.1b
(* (* x x) x)
0.2b
(* -1/6 (* (* x x) x))
17.3b
(+ (+ x (* -1/6 (* (* x x) x))) (* 3/40 (pow x 5)))

rewrite112.0ms

Algorithm
rewrite-expression-head
Rules
32×pow1
23×add-exp-log
20×add-cbrt-cube
15×add-sqr-sqrt
12×prod-exp
11×associate-*r*
10×cbrt-unprod
*-un-lft-identity pow-prod-down add-cube-cbrt add-log-exp
associate-*l*
pow-plus pow-prod-up
unpow-prod-down insert-posit16 unswap-sqr
sum-log *-commutative
pow2 pow-sqr sqr-pow
pow-to-exp +-commutative associate-+l+ flip3-+ pow3 pow-exp flip-+
Counts
4 → 91
Calls
4 calls:
11.0ms
(* 3/40 (pow x 5))
19.0ms
(* (* x x) x)
49.0ms
(* -1/6 (* (* x x) x))
31.0ms
(+ (+ x (* -1/6 (* (* x x) x))) (* 3/40 (pow x 5)))

series220.0ms

Counts
4 → 12
Calls
4 calls:
73.0ms
(* 3/40 (pow x 5))
41.0ms
(* (* x x) x)
43.0ms
(* -1/6 (* (* x x) x))
62.0ms
(+ (+ x (* -1/6 (* (* x x) x))) (* 3/40 (pow x 5)))

simplify1.3s

Counts
103 → 103
Iterations
IterNodes
done5000
21177
1344
0132

prune310.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize24.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (/ -1/8 (* (* x x) x)) (+ (/ 1/2 x) x))
0.1b
(* (* x x) x)
0.3b
(/ -1/8 (* (* x x) x))
10.0b
(log (+ x (+ (/ -1/8 (* (* x x) x)) (+ (/ 1/2 x) x))))

rewrite377.0ms

Algorithm
rewrite-expression-head
Rules
24×pow1
22×*-un-lft-identity
19×add-exp-log
18×add-cbrt-cube
add-sqr-sqrt distribute-lft-out add-log-exp
add-cube-cbrt
log-prod pow-plus prod-exp pow-prod-up cbrt-unprod
insert-posit16
cbrt-undiv sum-log flip3-+ times-frac div-exp associate-*r* pow-prod-down flip-+ associate-/l*
pow2 log-div frac-add pow-sqr
+-commutative associate-+r+ clear-num associate-/r* frac-2neg rem-log-exp associate-*l* pow3 log-pow *-commutative div-inv unswap-sqr
Counts
4 → 89
Calls
4 calls:
93.0ms
(+ (/ -1/8 (* (* x x) x)) (+ (/ 1/2 x) x))
22.0ms
(* (* x x) x)
17.0ms
(/ -1/8 (* (* x x) x))
242.0ms
(log (+ x (+ (/ -1/8 (* (* x x) x)) (+ (/ 1/2 x) x))))

series248.0ms

Counts
4 → 12
Calls
4 calls:
40.0ms
(+ (/ -1/8 (* (* x x) x)) (+ (/ 1/2 x) x))
40.0ms
(* (* x x) x)
57.0ms
(/ -1/8 (* (* x x) x))
110.0ms
(log (+ x (+ (/ -1/8 (* (* x x) x)) (+ (/ 1/2 x) x))))

simplify1.4s

Counts
101 → 101
Iterations
IterNodes
done5000
21909
1480
0178

prune306.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.0b

localize57.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1/16 (pow x 5))
0.3b
(/ 1/8 (* (* x x) x))
11.7b
(log (- (+ (/ 1/8 (* (* x x) x)) (/ -1/2 x)) (/ 1/16 (pow x 5))))
18.7b
(- (+ (/ 1/8 (* (* x x) x)) (/ -1/2 x)) (/ 1/16 (pow x 5)))

rewrite739.0ms

Algorithm
rewrite-expression-head
Rules
43×add-sqr-sqrt
33×*-un-lft-identity
30×times-frac
23×add-cube-cbrt
19×add-exp-log
15×add-cbrt-cube
14×unpow-prod-down
log-prod add-log-exp
associate-/r* difference-of-squares
div-exp frac-sub associate-/l* sqr-pow
pow1 log-div
cbrt-undiv insert-posit16 distribute-lft-out--
prod-exp cbrt-unprod
clear-num frac-2neg flip3-+ flip3-- diff-log frac-add flip-+ div-inv flip-- distribute-lft-out
pow-to-exp sum-log sub-neg rem-log-exp pow-exp associate--l+ log-pow
Counts
4 → 118
Calls
4 calls:
8.0ms
(/ 1/16 (pow x 5))
31.0ms
(/ 1/8 (* (* x x) x))
226.0ms
(log (- (+ (/ 1/8 (* (* x x) x)) (/ -1/2 x)) (/ 1/16 (pow x 5))))
469.0ms
(- (+ (/ 1/8 (* (* x x) x)) (/ -1/2 x)) (/ 1/16 (pow x 5)))

series326.0ms

Counts
4 → 12
Calls
4 calls:
62.0ms
(/ 1/16 (pow x 5))
59.0ms
(/ 1/8 (* (* x x) x))
135.0ms
(log (- (+ (/ 1/8 (* (* x x) x)) (/ -1/2 x)) (/ 1/16 (pow x 5))))
70.0ms
(- (+ (/ 1/8 (* (* x x) x)) (/ -1/2 x)) (/ 1/16 (pow x 5)))

simplify1.7s

Counts
130 → 130
Iterations
IterNodes
done5002
22118
1588
0265

prune569.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0.0b

regimes58.0ms

Accuracy

99.4% (0.2b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 30.8b

bsearch86.0ms

Steps
ItersRangePoint
8
0.113095154289168
29.100869698027953
0.9612525386224373
7
-1.1375194732999505
-0.018988436667384805
-1.0681179944727555

simplify6.0ms

Iterations
IterNodes
done43
143
034

end0.0ms

sample3.5s

Algorithm
intervals
Results
1.6s2359×body1280valid
972.0ms1599×body640valid
417.0ms768×body2560valid
183.0ms812×body320valid
145.0ms2063×body80valid
52.0ms399×body160valid