Details

Time bar (total: 14.4s)

sample109.0ms

Algorithm
intervals
Results
58.0ms75×body1280valid
23.0ms56×body640valid
5.0ms21×body320valid
5.0ms88×body80valid
4.0ms84×body80nan
3.0ms16×body160valid

simplify4.0ms

Counts
1 → 1
Iterations
IterNodes
done7
17
04

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 39.9b

localize12.0ms

Local error

Found 1 expressions with local error:

4.8b
(log (+ 1 x))

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
log-prod *-un-lft-identity
add-sqr-sqrt pow1 log-div add-exp-log add-cube-cbrt
flip3-+ add-cbrt-cube rem-log-exp log-pow flip-+ insert-posit16 distribute-lft-out add-log-exp
Counts
1 → 16
Calls
1 calls:
6.0ms
(log (+ 1 x))

series40.0ms

Counts
1 → 3
Calls
1 calls:
40.0ms
(log (+ 1 x))

simplify1.3s

Counts
19 → 19
Iterations
IterNodes
done2001
52001
41444
3558
2241
1112
055

prune144.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

localize22.0ms

Local error

Found 2 expressions with local error:

0.1b
(* (* x x) (+ -1/2 (* 1/3 x)))
0.3b
(* 1/3 x)

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-cbrt-cube add-exp-log
add-sqr-sqrt
associate-*r*
*-un-lft-identity add-cube-cbrt
associate-*l* pow-prod-down prod-exp cbrt-unprod
associate-*r/ *-commutative insert-posit16 add-log-exp unswap-sqr
distribute-rgt-in distribute-lft-in flip3-+ flip-+
Counts
2 → 43
Calls
2 calls:
21.0ms
(* (* x x) (+ -1/2 (* 1/3 x)))
5.0ms
(* 1/3 x)

series152.0ms

Counts
2 → 6
Calls
2 calls:
120.0ms
(* (* x x) (+ -1/2 (* 1/3 x)))
32.0ms
(* 1/3 x)

simplify1.2s

Counts
49 → 49
Iterations
IterNodes
done2002
32002
2980
1247
081

prune355.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.1b

localize48.0ms

Local error

Found 4 expressions with local error:

0.1b
(* x (* x x))
0.3b
(- (log (+ 1 (* x (* x x)))) (log (+ 1 (* (- x 1) x))))
14.7b
(log (+ 1 (* x (* x x))))
15.0b
(log (+ 1 (* (- x 1) x)))

rewrite65.0ms

Algorithm
rewrite-expression-head
Rules
24×pow1
13×*-un-lft-identity
12×add-sqr-sqrt log-prod
11×add-exp-log
add-cbrt-cube add-cube-cbrt
log-div
log-pow
pow-prod-up
flip3-+ flip-+ insert-posit16 distribute-lft-out-- add-log-exp
associate-*l* pow-prod-down prod-exp associate--l+ cbrt-unprod associate--r+
associate--l- rem-log-exp associate--r-
pow2 sub-neg pow-plus flip3-- diff-log cube-unmult associate-*r* pow-sqr *-commutative flip-- difference-of-squares unswap-sqr
Counts
4 → 83
Calls
4 calls:
28.0ms
(* x (* x x))
19.0ms
(- (log (+ 1 (* x (* x x)))) (log (+ 1 (* (- x 1) x))))
5.0ms
(log (+ 1 (* x (* x x))))
11.0ms
(log (+ 1 (* (- x 1) x)))

series626.0ms

Counts
4 → 12
Calls
4 calls:
50.0ms
(* x (* x x))
85.0ms
(- (log (+ 1 (* x (* x x)))) (log (+ 1 (* (- x 1) x))))
439.0ms
(log (+ 1 (* x (* x x))))
52.0ms
(log (+ 1 (* (- x 1) x)))

simplify1.3s

Counts
95 → 95
Iterations
IterNodes
done2000
32000
2934
1389
0174

prune853.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0.1b

localize79.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (pow x 9) 1/3)
13.2b
(+ (+ (* x (* x x)) (* -1/2 (* (* x (* x x)) (* x (* x x))))) (* (pow x 9) 1/3))
13.3b
(+ (* x (* x x)) (* -1/2 (* (* x (* x x)) (* x (* x x)))))
15.0b
(log (+ 1 (* (- x 1) x)))

rewrite1.7s

Algorithm
rewrite-expression-head
Rules
13×add-sqr-sqrt
11×add-log-exp
10×add-exp-log
*-un-lft-identity add-cube-cbrt
associate-*l*
add-cbrt-cube
pow1
sum-log unpow-prod-down insert-posit16
log-prod flip3-+ associate-*r* prod-exp flip-+ unswap-sqr
+-commutative log-div sqr-pow
pow-to-exp associate-+l+ rem-log-exp pow-exp log-pow *-commutative cbrt-unprod
Counts
4 → 67
Calls
4 calls:
18.0ms
(* (pow x 9) 1/3)
1.4s
(+ (+ (* x (* x x)) (* -1/2 (* (* x (* x x)) (* x (* x x))))) (* (pow x 9) 1/3))
313.0ms
(+ (* x (* x x)) (* -1/2 (* (* x (* x x)) (* x (* x x)))))
6.0ms
(log (+ 1 (* (- x 1) x)))

series499.0ms

Counts
4 → 12
Calls
4 calls:
93.0ms
(* (pow x 9) 1/3)
132.0ms
(+ (+ (* x (* x x)) (* -1/2 (* (* x (* x x)) (* x (* x x))))) (* (pow x 9) 1/3))
217.0ms
(+ (* x (* x x)) (* -1/2 (* (* x (* x x)) (* x (* x x)))))
57.0ms
(log (+ 1 (* (- x 1) x)))

simplify1.9s

Counts
79 → 79
Iterations
IterNodes
done2004
32004
21420
1403
0158

prune813.0ms

Pruning

5 alts after pruning (1 fresh and 4 done)

Merged error: 0.1b

regimes128.0ms

Accuracy

99.2% (0.2b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 20.9b

bsearch4.0ms

simplify5.0ms

Iterations
IterNodes
done21
121
014

end0.0ms

sample3.1s

Algorithm
intervals
Results
1.7s2277×body1280valid
656.0ms1618×body640valid
183.0ms864×body320valid
167.0ms2833×body80valid
97.0ms2675×body80nan
75.0ms408×body160valid