Details

Time bar (total: 16.2s)

sample46.0ms

Algorithm
intervals
Results
15.0ms277×body80valid
5.0ms101×body80nan

simplify80.0ms

Counts
1 → 1
Iterations
IterNodes
done114
5114
493
368
245
121
012

prune25.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 20.2b

localize33.0ms

Local error

Found 4 expressions with local error:

0.2b
(- (* z z) (* t a))
4.7b
(* (* x y) z)
8.5b
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
23.4b
(sqrt (- (* z z) (* t a)))

rewrite71.0ms

Algorithm
rewrite-expression-head
Rules
18×add-cbrt-cube add-exp-log
11×add-sqr-sqrt
10×pow1 *-un-lft-identity add-cube-cbrt
sqrt-prod
associate-/r* times-frac prod-exp cbrt-unprod add-log-exp
sqrt-div
cbrt-undiv flip3-- div-exp associate-*r* pow-prod-down flip--
associate-/r/
rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 pow1/2 diff-log associate-*l* *-commutative div-inv associate-/l*
Counts
4 → 76
Calls
4 calls:
6.0ms
(- (* z z) (* t a))
21.0ms
(* (* x y) z)
35.0ms
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
7.0ms
(sqrt (- (* z z) (* t a)))

series316.0ms

Counts
4 → 12
Calls
4 calls:
43.0ms
(- (* z z) (* t a))
44.0ms
(* (* x y) z)
141.0ms
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
87.0ms
(sqrt (- (* z z) (* t a)))

simplify1.2s

Counts
88 → 88
Iterations
IterNodes
done5001
22365
1368
0134

prune625.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 3.3b

localize37.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (sqrt (- (* z z) (* t a))) z)
0.2b
(- (* z z) (* t a))
2.5b
(/ (* x y) (/ (sqrt (- (* z z) (* t a))) z))
23.4b
(sqrt (- (* z z) (* t a)))

rewrite89.0ms

Algorithm
rewrite-expression-head
Rules
76×times-frac
47×add-sqr-sqrt
46×*-un-lft-identity add-cube-cbrt
33×sqrt-prod
25×associate-/r*
18×add-cbrt-cube add-exp-log
cbrt-undiv div-exp associate-/l*
add-log-exp
pow1
sqrt-div div-inv
flip3-- flip--
clear-num frac-2neg prod-exp cbrt-unprod associate-/l/
rem-sqrt-square sub-neg sqrt-pow1 pow1/2 diff-log associate-/r/
Counts
4 → 132
Calls
4 calls:
25.0ms
(/ (sqrt (- (* z z) (* t a))) z)
12.0ms
(- (* z z) (* t a))
31.0ms
(/ (* x y) (/ (sqrt (- (* z z) (* t a))) z))
13.0ms
(sqrt (- (* z z) (* t a)))

series389.0ms

Counts
4 → 12
Calls
4 calls:
132.0ms
(/ (sqrt (- (* z z) (* t a))) z)
50.0ms
(- (* z z) (* t a))
111.0ms
(/ (* x y) (/ (sqrt (- (* z z) (* t a))) z))
96.0ms
(sqrt (- (* z z) (* t a)))

simplify1.7s

Counts
144 → 144
Iterations
IterNodes
done5000
23679
1574
0210

prune906.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 3.0b

localize35.0ms

Local error

Found 4 expressions with local error:

4.5b
(cbrt (/ (sqrt (- (* z z) (* t a))) z))
23.4b
(sqrt (- (* z z) (* t a)))
23.4b
(sqrt (- (* z z) (* t a)))
23.4b
(sqrt (- (* z z) (* t a)))

rewrite43.0ms

Algorithm
rewrite-expression-head
Rules
23×add-sqr-sqrt
22×cbrt-prod
20×*-un-lft-identity add-cube-cbrt
18×times-frac sqrt-prod
pow1
sqrt-div
add-cbrt-cube add-exp-log add-log-exp
rem-sqrt-square sqrt-pow1 flip3-- pow1/2 flip--
cbrt-div pow1/3 div-inv
Counts
4 → 76
Calls
4 calls:
5.0ms
(cbrt (/ (sqrt (- (* z z) (* t a))) z))
12.0ms
(sqrt (- (* z z) (* t a)))
13.0ms
(sqrt (- (* z z) (* t a)))
10.0ms
(sqrt (- (* z z) (* t a)))

series489.0ms

Counts
4 → 12
Calls
4 calls:
199.0ms
(cbrt (/ (sqrt (- (* z z) (* t a))) z))
85.0ms
(sqrt (- (* z z) (* t a)))
100.0ms
(sqrt (- (* z z) (* t a)))
105.0ms
(sqrt (- (* z z) (* t a)))

simplify2.8s

Counts
88 → 88
Iterations
IterNodes
done5002
33817
2846
1282
0143

prune770.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 3.0b

localize82.0ms

Local error

Found 4 expressions with local error:

23.4b
(sqrt (- (* z z) (* a t)))
23.4b
(sqrt (- (* z z) (* a t)))
23.4b
(sqrt (- (* z z) (* t a)))
23.4b
(sqrt (- (* z z) (* t a)))

rewrite34.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt sqrt-prod
pow1 *-un-lft-identity sqrt-div add-cube-cbrt
rem-sqrt-square sqrt-pow1 flip3-- add-cbrt-cube pow1/2 add-exp-log flip-- add-log-exp
Counts
4 → 60
Calls
4 calls:
7.0ms
(sqrt (- (* z z) (* a t)))
12.0ms
(sqrt (- (* z z) (* a t)))
7.0ms
(sqrt (- (* z z) (* t a)))
7.0ms
(sqrt (- (* z z) (* t a)))

series371.0ms

Counts
4 → 12
Calls
4 calls:
114.0ms
(sqrt (- (* z z) (* a t)))
98.0ms
(sqrt (- (* z z) (* a t)))
81.0ms
(sqrt (- (* z z) (* t a)))
78.0ms
(sqrt (- (* z z) (* t a)))

simplify2.1s

Counts
72 → 72
Iterations
IterNodes
done5000
33231
2689
1216
083

prune759.0ms

Pruning

11 alts after pruning (8 fresh and 3 done)

Merged error: 3.0b

regimes1.1s

Accuracy

85.1% (2.9b remaining)

Error of 6.1b against oracle of 3.2b and baseline of 22.7b

bsearch142.0ms

Steps
ItersRangePoint
8
3.5533055332411143e+130
3.804563911228799e+134
2.7405676072746077e+132
8
-6.974394801174976e+154
-1.8034708975126624e+151
-5.1995172941306935e+153

simplify8.0ms

Iterations
IterNodes
done32
232
129
024

end0.0ms

sample1.8s

Algorithm
intervals
Results
849.0ms8798×body80valid
224.0ms2980×body80nan