Details

Time bar (total: 12.2s)

sample58.0ms

Algorithm
intervals
Results
21.0ms48×body1280valid
11.0ms45×body640valid
7.0ms159×body80valid
6.0ms36×body320valid
2.0ms82×body80nan
1.0msbody160valid

simplify1.6s

Counts
1 → 1
Iterations

Useful iterations: 2 (3.0ms)

IterNodesCost
0811
11511
2249
3519
41079
52829
66519
733579
done50009

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 9.9b

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ x (+ x y))
0.1b
(* x (log (/ x (+ x y))))
8.0b
(log (/ x (+ x y)))

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
64×*-un-lft-identity
54×log-prod
48×times-frac
40×add-sqr-sqrt
38×add-cube-cbrt
18×distribute-rgt-in distribute-lft-in
13×distribute-lft-out
10×add-exp-log
associate-/r/
pow1 add-cbrt-cube
flip3-+ associate-*r* associate-/r* flip-+ div-inv
associate-*l* associate-/l* add-log-exp
div-exp rem-log-exp log-pow
cbrt-undiv log-div frac-2neg pow-prod-down prod-exp clear-num *-commutative cbrt-unprod unswap-sqr
Counts
3 → 117
Calls
3 calls:
6.0ms
(/ x (+ x y))
15.0ms
(* x (log (/ x (+ x y))))
4.0ms
(log (/ x (+ x y)))

series166.0ms

Counts
3 → 9
Calls
3 calls:
41.0ms
(/ x (+ x y))
77.0ms
(* x (log (/ x (+ x y))))
47.0ms
(log (/ x (+ x y)))

simplify2.1s

Counts
126 → 126
Iterations

Useful iterations: 3 (506.0ms)

IterNodesCost
01671600
13011512
211521423
339071384
done50001384

prune247.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.7b

localize15.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt x)
0.5b
(cbrt x)
3.0b
(log (/ (cbrt x) (cbrt (+ x y))))
3.0b
(log (/ (cbrt x) (cbrt (+ x y))))

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
96×cbrt-prod log-prod
84×*-un-lft-identity times-frac
60×add-sqr-sqrt add-cube-cbrt
12×distribute-lft-out
10×add-exp-log
pow1
cbrt-div rem-log-exp associate-/r/ add-cbrt-cube add-log-exp
log-div flip3-+ pow1/3 div-exp log-pow flip-+ div-inv
Counts
4 → 140
Calls
4 calls:
0.0ms
(cbrt x)
0.0ms
(cbrt x)
6.0ms
(log (/ (cbrt x) (cbrt (+ x y))))
9.0ms
(log (/ (cbrt x) (cbrt (+ x y))))

series492.0ms

Counts
4 → 12
Calls
4 calls:
175.0ms
(cbrt x)
175.0ms
(cbrt x)
70.0ms
(log (/ (cbrt x) (cbrt (+ x y))))
72.0ms
(log (/ (cbrt x) (cbrt (+ x y))))

simplify2.0s

Counts
152 → 152
Iterations

Useful iterations: 4 (771.0ms)

IterNodesCost
01732258
13102144
26472014
316351940
441441936
done50001936

prune504.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.4b

localize13.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt x)
0.5b
(cbrt x)
0.6b
(* (cbrt x) (cbrt x))
34.1b
(log (/ (* (cbrt x) (cbrt x)) (/ (+ x y) (cbrt x))))

rewrite20.0ms

Algorithm
rewrite-expression-head
Rules
52×times-frac
42×*-un-lft-identity
38×add-sqr-sqrt
34×cbrt-prod
33×log-prod
30×add-cube-cbrt
19×add-exp-log
12×pow1
pow1/3
swap-sqr div-exp associate-*r* associate-*l* distribute-lft-out
rem-log-exp
add-cbrt-cube add-log-exp unswap-sqr
prod-exp
pow-prod-down pow-sqr pow-prod-up div-inv
pow2 log-div pow-plus associate-/r/ log-pow *-commutative cbrt-unprod
Counts
4 → 109
Calls
4 calls:
0.0ms
(cbrt x)
0.0ms
(cbrt x)
6.0ms
(* (cbrt x) (cbrt x))
9.0ms
(log (/ (* (cbrt x) (cbrt x)) (/ (+ x y) (cbrt x))))

series641.0ms

Counts
4 → 12
Calls
4 calls:
183.0ms
(cbrt x)
183.0ms
(cbrt x)
208.0ms
(* (cbrt x) (cbrt x))
67.0ms
(log (/ (* (cbrt x) (cbrt x)) (/ (+ x y) (cbrt x))))

simplify791.0ms

Counts
121 → 121
Iterations

Useful iterations: 2 (136.0ms)

IterNodesCost
01911393
13781291
216361087
done50001087

prune323.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.4b

localize12.0ms

Local error

Found 4 expressions with local error:

1.9b
(- (* x x) (* y y))
4.0b
(* (/ x (- (* x x) (* y y))) (- x y))
14.0b
(log (* (/ x (- (* x x) (* y y))) (- x y)))
21.2b
(/ x (- (* x x) (* y y)))

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt
25×times-frac
24×*-un-lft-identity
22×add-cube-cbrt
18×associate-*l*
17×add-exp-log
11×add-cbrt-cube
pow1 difference-of-squares
flip3-- flip--
add-log-exp
log-div associate-*r*
frac-times associate-*r/ prod-exp associate-/r* associate-/r/
sub-neg div-exp rem-log-exp associate-/l*
cbrt-undiv distribute-rgt-in distribute-lft-in pow-prod-down associate-*l/ log-pow cbrt-unprod div-inv unswap-sqr
log-prod frac-2neg diff-log clear-num *-commutative distribute-lft-out--
Counts
4 → 111
Calls
4 calls:
3.0ms
(- (* x x) (* y y))
23.0ms
(* (/ x (- (* x x) (* y y))) (- x y))
9.0ms
(log (* (/ x (- (* x x) (* y y))) (- x y)))
5.0ms
(/ x (- (* x x) (* y y)))

series221.0ms

Counts
4 → 12
Calls
4 calls:
31.0ms
(- (* x x) (* y y))
66.0ms
(* (/ x (- (* x x) (* y y))) (- x y))
77.0ms
(log (* (/ x (- (* x x) (* y y))) (- x y)))
48.0ms
(/ x (- (* x x) (* y y)))

simplify603.0ms

Counts
123 → 123
Iterations

Useful iterations: 2 (128.0ms)

IterNodesCost
01611835
13941786
218141612
done50001612

prune315.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.4b

regimes45.0ms

Accuracy

8.3% (4.1b remaining)

Error of 5.3b against oracle of 1.2b and baseline of 5.7b

bsearch104.0ms

Steps
ItersRangePoint
9
3.9952034404095503e+118
2.258742533603766e+124
5.234179426754207e+118
7
50024088429.266525
12169712469967.395
51088118733.37021

simplify3.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
02879
13954
done3954

end0.0ms

sample1.7s

Algorithm
intervals
Results
680.0ms1582×body1280valid
354.0ms1425×body640valid
203.0ms4873×body80valid
128.0ms812×body320valid
89.0ms2981×body80nan
45.0ms453×body160valid