Details

Time bar (total: 17.3s)

sample79.0ms

Algorithm
intervals
Results
35.0ms294×body80valid
7.0ms91×body80nan

simplify121.0ms

Counts
1 → 1
Iterations
IterNodes
done103
6103
597
470
353
236
121
012

prune16.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 21.5b

localize20.0ms

Local error

Found 4 expressions with local error:

1.0b
(- (* z z) (* t a))
6.7b
(* (* x y) z)
7.2b
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
22.9b
(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:
7.0ms
(- (* z z) (* t a))
19.0ms
(* (* x y) z)
35.0ms
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
9.0ms
(sqrt (- (* z z) (* t a)))

series288.0ms

Counts
4 → 12
Calls
4 calls:
44.0ms
(- (* z z) (* t a))
30.0ms
(* (* x y) z)
121.0ms
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
92.0ms
(sqrt (- (* z z) (* t a)))

simplify1.7s

Counts
88 → 88
Iterations
IterNodes
done5001
21403
1359
0134

prune599.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 3.7b

localize41.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (sqrt (- (* z z) (* t a))) z)
1.0b
(- (* z z) (* t a))
3.6b
(/ (* x y) (/ (sqrt (- (* z z) (* t a))) z))
22.9b
(sqrt (- (* z z) (* t a)))

rewrite99.0ms

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:
27.0ms
(/ (sqrt (- (* z z) (* t a))) z)
12.0ms
(- (* z z) (* t a))
33.0ms
(/ (* x y) (/ (sqrt (- (* z z) (* t a))) z))
20.0ms
(sqrt (- (* z z) (* t a)))

series356.0ms

Counts
4 → 12
Calls
4 calls:
96.0ms
(/ (sqrt (- (* z z) (* t a))) z)
54.0ms
(- (* z z) (* t a))
133.0ms
(/ (* x y) (/ (sqrt (- (* z z) (* t a))) z))
73.0ms
(sqrt (- (* z z) (* t a)))

simplify1.6s

Counts
144 → 144
Iterations
IterNodes
done5000
21895
1557
0210

prune885.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 3.5b

localize24.0ms

Local error

Found 4 expressions with local error:

1.0b
(- (* z z) (* t a))
1.5b
(/ y (/ (sqrt (- (* z z) (* t a))) z))
1.9b
(* x (/ y (/ (sqrt (- (* z z) (* t a))) z)))
22.9b
(sqrt (- (* z z) (* t a)))

rewrite97.0ms

Algorithm
rewrite-expression-head
Rules
263×times-frac
157×add-sqr-sqrt
143×*-un-lft-identity add-cube-cbrt
71×associate-*r*
67×sqrt-prod
22×associate-/r*
18×add-cbrt-cube add-exp-log
div-inv
pow1
cbrt-undiv div-exp add-log-exp
unswap-sqr
associate-*l* prod-exp cbrt-unprod associate-/l*
flip3-- sqrt-div associate-/r/ flip--
rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 pow1/2 diff-log pow-prod-down associate-*r/ *-commutative
Counts
4 → 227
Calls
4 calls:
7.0ms
(- (* z z) (* t a))
21.0ms
(/ y (/ (sqrt (- (* z z) (* t a))) z))
51.0ms
(* x (/ y (/ (sqrt (- (* z z) (* t a))) z)))
7.0ms
(sqrt (- (* z z) (* t a)))

series339.0ms

Counts
4 → 12
Calls
4 calls:
38.0ms
(- (* z z) (* t a))
80.0ms
(/ y (/ (sqrt (- (* z z) (* t a))) z))
124.0ms
(* x (/ y (/ (sqrt (- (* z z) (* t a))) z)))
96.0ms
(sqrt (- (* z z) (* t a)))

simplify2.4s

Counts
239 → 239
Iterations
IterNodes
done5001
22702
1920
0330

prune1.5s

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 3.5b

localize114.0ms

Local error

Found 4 expressions with local error:

1.9b
(* x (* (/ (* (cbrt z) (cbrt z)) (* (cbrt (sqrt (- (* z z) (* t a)))) (cbrt (sqrt (- (* z z) (* t a)))))) (/ y (/ (cbrt (sqrt (- (* z z) (* t a)))) (cbrt z)))))
22.9b
(sqrt (- (* z z) (* t a)))
22.9b
(sqrt (- (* z z) (* t a)))
22.9b
(sqrt (- (* z z) (* t a)))

rewrite422.0ms

Algorithm
rewrite-expression-head
Rules
90×add-exp-log
56×add-cbrt-cube
43×prod-exp cbrt-unprod
27×cbrt-undiv div-exp
12×pow1
11×add-sqr-sqrt
sqrt-prod
*-un-lft-identity add-cube-cbrt
sqrt-div
associate-*r/ add-log-exp
rem-sqrt-square sqrt-pow1 flip3-- pow1/2 associate-*l* pow-prod-down flip--
frac-times associate-*r* associate-*l/ *-commutative
Counts
4 → 94
Calls
4 calls:
371.0ms
(* x (* (/ (* (cbrt z) (cbrt z)) (* (cbrt (sqrt (- (* z z) (* t a)))) (cbrt (sqrt (- (* z z) (* t a)))))) (/ y (/ (cbrt (sqrt (- (* z z) (* t a)))) (cbrt z)))))
14.0ms
(sqrt (- (* z z) (* t a)))
14.0ms
(sqrt (- (* z z) (* t a)))
15.0ms
(sqrt (- (* z z) (* t a)))

series409.0ms

Counts
4 → 12
Calls
4 calls:
156.0ms
(* x (* (/ (* (cbrt z) (cbrt z)) (* (cbrt (sqrt (- (* z z) (* t a)))) (cbrt (sqrt (- (* z z) (* t a)))))) (/ y (/ (cbrt (sqrt (- (* z z) (* t a)))) (cbrt z)))))
105.0ms
(sqrt (- (* z z) (* t a)))
64.0ms
(sqrt (- (* z z) (* t a)))
83.0ms
(sqrt (- (* z z) (* t a)))

simplify2.6s

Counts
106 → 106
Iterations
IterNodes
done5000
22543
1599
0185

prune810.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 3.5b

regimes876.0ms

Accuracy

86.6% (2.5b remaining)

Error of 5.7b against oracle of 3.2b and baseline of 22.0b

bsearch154.0ms

Steps
ItersRangePoint
9
3.376770166686323e+133
6.368260996247714e+142
1.6462812507916996e+140
9
-1.8254437613711665e+160
-4.7960040549310305e+153
-1.2479983353367598e+154

simplify17.0ms

Iterations
IterNodes
done36
236
133
027

end0.0ms

sample1.7s

Algorithm
intervals
Results
1.1s8830×body80valid
142.0ms3000×body80nan