Details

Time bar (total: 17.8s)

sample183.0ms

Algorithm
intervals
Results
103.0ms232×body10240exit
25.0ms22×body160valid
14.0ms191×body80valid
6.0ms19×body640valid
5.0ms24×body320valid

simplify491.0ms

Counts
1 → 1
Iterations
IterNodes
done5000
4398
3109
248
120
08

prune19.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 15.0b

localize16.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ x (exp wj))
0.0b
(/ (- (/ x (exp wj)) (/ wj 1)) (+ 1 wj))
6.2b
(+ wj (/ (- (/ x (exp wj)) (/ wj 1)) (+ 1 wj)))

rewrite241.0ms

Algorithm
rewrite-expression-head
Rules
113×add-sqr-sqrt
98×times-frac
94×*-un-lft-identity
30×difference-of-squares
28×add-cube-cbrt
14×associate-/l*
13×distribute-lft-out
10×distribute-lft-out--
associate-/r* add-cbrt-cube
add-exp-log
add-log-exp
pow1 associate-/l/
cbrt-undiv clear-num frac-2neg flip3-+ div-sub div-exp associate-/r/ flip-+ div-inv
+-commutative associate-+r- sum-log flip3-- frac-sub flip--
Counts
3 → 117
Calls
3 calls:
9.0ms
(/ x (exp wj))
106.0ms
(/ (- (/ x (exp wj)) (/ wj 1)) (+ 1 wj))
116.0ms
(+ wj (/ (- (/ x (exp wj)) (/ wj 1)) (+ 1 wj)))

series162.0ms

Counts
3 → 9
Calls
3 calls:
45.0ms
(/ x (exp wj))
63.0ms
(/ (- (/ x (exp wj)) (/ wj 1)) (+ 1 wj))
54.0ms
(+ wj (/ (- (/ x (exp wj)) (/ wj 1)) (+ 1 wj)))

simplify1.3s

Counts
126 → 126
Iterations
IterNodes
done5000
22113
1536
0216

prune532.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.3b

localize24.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (+ x (* wj wj)) (* -2 (* wj x)))
0.0b
(* -2 (* wj x))
0.0b
(+ x (* wj wj))

rewrite72.0ms

Algorithm
rewrite-expression-head
Rules
10×add-log-exp
pow1 add-cbrt-cube add-exp-log
add-sqr-sqrt sum-log *-un-lft-identity add-cube-cbrt
associate-*l* pow-prod-down prod-exp cbrt-unprod
+-commutative flip3-+ flip-+
associate-+l+ associate-*r* *-commutative
Counts
3 → 42
Calls
3 calls:
37.0ms
(+ (+ x (* wj wj)) (* -2 (* wj x)))
24.0ms
(* -2 (* wj x))
9.0ms
(+ x (* wj wj))

series114.0ms

Counts
3 → 9
Calls
3 calls:
42.0ms
(+ (+ x (* wj wj)) (* -2 (* wj x)))
26.0ms
(* -2 (* wj x))
47.0ms
(+ x (* wj wj))

simplify902.0ms

Counts
51 → 51
Iterations
IterNodes
done5000
21425
1269
084

prune254.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.3b

localize37.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt (+ x (pow wj 2))) (cbrt (+ x (pow wj 2))))
0.6b
(cbrt (+ x (pow wj 2)))
0.6b
(cbrt (+ x (pow wj 2)))
0.6b
(cbrt (+ x (pow wj 2)))

rewrite99.0ms

Algorithm
rewrite-expression-head
Rules
36×cbrt-prod
35×*-un-lft-identity
23×add-sqr-sqrt
18×cbrt-div
15×add-cube-cbrt
11×pow1
flip3-+ pow1/3 swap-sqr flip-+ distribute-lft-out
associate-*r* associate-*l*
add-exp-log
frac-times add-cbrt-cube 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 → 95
Calls
4 calls:
66.0ms
(* (cbrt (+ x (pow wj 2))) (cbrt (+ x (pow wj 2))))
13.0ms
(cbrt (+ x (pow wj 2)))
12.0ms
(cbrt (+ x (pow wj 2)))
6.0ms
(cbrt (+ x (pow wj 2)))

series1.8s

Counts
4 → 12
Calls
4 calls:
443.0ms
(* (cbrt (+ x (pow wj 2))) (cbrt (+ x (pow wj 2))))
501.0ms
(cbrt (+ x (pow wj 2)))
442.0ms
(cbrt (+ x (pow wj 2)))
454.0ms
(cbrt (+ x (pow wj 2)))

simplify807.0ms

Counts
107 → 107
Iterations
IterNodes
done5000
21056
1280
0119

prune744.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.3b

localize109.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (+ x (pow wj 2)))
0.6b
(cbrt (+ x (pow wj 2)))
0.6b
(cbrt (+ (* wj wj) x))
0.9b
(pow (cbrt (cbrt (+ (* wj wj) x))) (+ 3 1))

rewrite65.0ms

Algorithm
rewrite-expression-head
Rules
20×cbrt-prod
17×*-un-lft-identity
11×add-sqr-sqrt add-cube-cbrt
unpow-prod-down
cbrt-div
pow1 add-exp-log
pow-unpow add-cbrt-cube pow1/3 add-log-exp
flip3-+ flip-+ distribute-lft-out
pow-pow
pow-to-exp unpow-prod-up pow-exp sqr-pow
Counts
4 → 67
Calls
4 calls:
11.0ms
(cbrt (+ x (pow wj 2)))
11.0ms
(cbrt (+ x (pow wj 2)))
8.0ms
(cbrt (+ (* wj wj) x))
32.0ms
(pow (cbrt (cbrt (+ (* wj wj) x))) (+ 3 1))

series1.3s

Counts
4 → 12
Calls
4 calls:
519.0ms
(cbrt (+ x (pow wj 2)))
459.0ms
(cbrt (+ x (pow wj 2)))
99.0ms
(cbrt (+ (* wj wj) x))
177.0ms
(pow (cbrt (cbrt (+ (* wj wj) x))) (+ 3 1))

simplify694.0ms

Counts
79 → 79
Iterations
IterNodes
done5001
21453
1403
0150

prune696.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.3b

regimes164.0ms

Accuracy

68.9% (0.6b remaining)

Error of 0.9b against oracle of 0.3b and baseline of 2.1b

bsearch47.0ms

Steps
ItersRangePoint
7
1.9673231826388637e-10
1.2857563411330803e-08
6.728609179253454e-09

simplify3.0ms

Iterations
IterNodes
done28
128
020

end0.0ms

sample6.9s

Algorithm
intervals
Results
4.9s7579×body10240exit
885.0ms6305×body80valid
205.0ms795×body320valid
165.0ms440×body640valid
98.0ms550×body160valid