Details

Time bar (total: 30.8s)

sample142.0ms

Algorithm
intervals
Results
65.0ms81×body1280valid
32.0ms52×body640valid
18.0ms28×body2560valid
7.0ms22×body320valid
5.0ms62×body80valid
2.0ms11×body160valid

simplify4.0ms

Counts
1 → 1
Iterations
IterNodes
29
19
07

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 53.9b

localize13.0ms

Local error

Found 3 expressions with local error:

0.9b
(+ x (sqrt (+ (* x x) 1)))
2.8b
(log (+ x (sqrt (+ (* x x) 1))))
16.2b
(sqrt (+ (* x x) 1))

rewrite57.0ms

Algorithm
rewrite-expression-head
Rules
*-un-lft-identity
add-sqr-sqrt
pow1 add-cube-cbrt add-log-exp
log-prod add-exp-log
flip3-+ add-cbrt-cube sqrt-prod flip-+ insert-posit16
log-div sqrt-div distribute-lft-out
+-commutative rem-sqrt-square sum-log sqrt-pow1 pow1/2 rem-log-exp log-pow
Counts
3 → 45
Calls
3 calls:
36.0ms
(+ x (sqrt (+ (* x x) 1)))
13.0ms
(log (+ x (sqrt (+ (* x x) 1))))
7.0ms
(sqrt (+ (* x x) 1))

series238.0ms

Counts
3 → 9
Calls
3 calls:
60.0ms
(+ x (sqrt (+ (* x x) 1)))
136.0ms
(log (+ x (sqrt (+ (* x x) 1))))
41.0ms
(sqrt (+ (* x x) 1))

simplify1.9s

Counts
54 → 54
Iterations
IterNodes
43922
31654
2660
1271
0121

prune606.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize26.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* x x) x)
0.1b
(* (* x x) x)
0.1b
(* -1/6 (* (* x x) x))
19.7b
(+ (* -1/6 (* (* x x) x)) (* 3/40 (* (* x x) (* (* x x) x))))

rewrite172.0ms

Algorithm
rewrite-expression-head
Rules
51×pow1
23×add-cbrt-cube add-exp-log
12×pow-plus pow-prod-down prod-exp pow-prod-up cbrt-unprod
add-sqr-sqrt
*-un-lft-identity associate-*r* add-cube-cbrt
add-log-exp
associate-*l*
pow2 pow-sqr insert-posit16
*-commutative
pow3 unswap-sqr
+-commutative sum-log flip3-+ flip-+
Counts
4 → 92
Calls
4 calls:
28.0ms
(* (* x x) x)
26.0ms
(* (* x x) x)
67.0ms
(* -1/6 (* (* x x) x))
49.0ms
(+ (* -1/6 (* (* x x) x)) (* 3/40 (* (* x x) (* (* x x) x))))

series321.0ms

Counts
4 → 12
Calls
4 calls:
50.0ms
(* (* x x) x)
43.0ms
(* (* x x) x)
41.0ms
(* -1/6 (* (* x x) x))
187.0ms
(+ (* -1/6 (* (* x x) x)) (* 3/40 (* (* x x) (* (* x x) x))))

simplify3.4s

Counts
104 → 104
Iterations
IterNodes
35081
2907
1256
088

prune746.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize48.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* x x) x)
0.1b
(/ (/ 1/8 x) (* x x))
15.1b
(log (+ (- (/ (/ 1/8 x) (* x x)) (/ 1/2 x)) (/ -1/16 (* (* x x) (* (* x x) x)))))
20.1b
(+ (- (/ (/ 1/8 x) (* x x)) (/ 1/2 x)) (/ -1/16 (* (* x x) (* (* x x) x))))

rewrite369.0ms

Algorithm
rewrite-expression-head
Rules
31×times-frac
30×*-un-lft-identity
24×pow1
22×add-exp-log
21×add-sqr-sqrt add-cbrt-cube
20×add-cube-cbrt
13×associate-/l*
add-log-exp
cbrt-undiv pow-plus div-exp frac-add pow-prod-up
log-div log-prod prod-exp cbrt-unprod
insert-posit16 distribute-lft-out
associate-*r* pow-prod-down div-inv
pow2 associate-+l+ sum-log flip3-+ flip3-- pow-sqr frac-sub flip-+ flip-- distribute-lft-out--
+-commutative clear-num associate-/r* sub-neg frac-2neg diff-log rem-log-exp associate-*l* pow3 log-pow *-commutative associate-+l- unswap-sqr associate-/l/
Counts
4 → 117
Calls
4 calls:
29.0ms
(* (* x x) x)
19.0ms
(/ (/ 1/8 x) (* x x))
146.0ms
(log (+ (- (/ (/ 1/8 x) (* x x)) (/ 1/2 x)) (/ -1/16 (* (* x x) (* (* x x) x)))))
173.0ms
(+ (- (/ (/ 1/8 x) (* x x)) (/ 1/2 x)) (/ -1/16 (* (* x x) (* (* x x) x))))

series372.0ms

Counts
4 → 12
Calls
4 calls:
52.0ms
(* (* x x) x)
64.0ms
(/ (/ 1/8 x) (* x x))
163.0ms
(log (+ (- (/ (/ 1/8 x) (* x x)) (/ 1/2 x)) (/ -1/16 (* (* x x) (* (* x x) x)))))
93.0ms
(+ (- (/ (/ 1/8 x) (* x x)) (/ 1/2 x)) (/ -1/16 (* (* x x) (* (* x x) x))))

simplify11.6s

Counts
129 → 129
Iterations
IterNodes
311604
21992
1609
0242

prune1.3s

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

localize25.0ms

Local error

Found 2 expressions with local error:

0.1b
(/ (/ 1/8 x) (* x x))
13.1b
(log (- (/ 1/2 x) (- (/ (/ 1/8 x) (* x x)) (+ x x))))

rewrite86.0ms

Algorithm
rewrite-expression-head
Rules
32×times-frac
26×*-un-lft-identity
22×add-sqr-sqrt
17×add-cube-cbrt
15×add-exp-log
14×add-cbrt-cube
13×associate-/l*
log-prod
cbrt-undiv log-div div-exp frac-sub
distribute-lft-out--
pow1 div-inv
flip3-- prod-exp cbrt-unprod insert-posit16 flip-- add-log-exp difference-of-squares
clear-num associate-/r* frac-2neg flip3-+ rem-log-exp log-pow flip-+ distribute-lft-out associate-/l/
Counts
2 → 71
Calls
2 calls:
11.0ms
(/ (/ 1/8 x) (* x x))
74.0ms
(log (- (/ 1/2 x) (- (/ (/ 1/8 x) (* x x)) (+ x x))))

series167.0ms

Counts
2 → 6
Calls
2 calls:
66.0ms
(/ (/ 1/8 x) (* x x))
101.0ms
(log (- (/ 1/2 x) (- (/ (/ 1/8 x) (* x x)) (+ x x))))

simplify4.3s

Counts
77 → 77
Iterations
IterNodes
37001
21708
1596
0226

prune603.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0.0b

regimes111.0ms

Accuracy

99.5% (0.2b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 31.0b

bsearch125.0ms

Steps
ItersRangePoint
11
1.0334628320549359e-08
2.7368728718549235e+26
0.9440471341056946
9
-128555.04713805256
-0.18430940072566707
-1.0816386065582386

simplify9.0ms

Iterations
IterNodes
237
137
030

end0.0ms

sample4.1s

Algorithm
intervals
Results
2.2s2338×body1280valid
730.0ms1571×body640valid
509.0ms788×body2560valid
258.0ms800×body320valid
155.0ms2112×body80valid
119.0ms391×body160valid