Details

Time bar (total: 31.8s)

sample81.0ms

Algorithm
intervals
Results
31.0ms286×body80valid
10.0ms98×body80nan

simplify356.0ms

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

prune26.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.4b

localize145.0ms

Local error

Found 4 expressions with local error:

0.8b
(- (* z z) (* t a))
4.3b
(* (* x y) z)
10.6b
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
25.9b
(sqrt (- (* z z) (* t a)))

rewrite233.0ms

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 insert-posit16
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 → 80
Calls
4 calls:
36.0ms
(- (* z z) (* t a))
70.0ms
(* (* x y) z)
82.0ms
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
38.0ms
(sqrt (- (* z z) (* t a)))

series477.0ms

Counts
4 → 12
Calls
4 calls:
66.0ms
(- (* z z) (* t a))
53.0ms
(* (* x y) z)
246.0ms
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
111.0ms
(sqrt (- (* z z) (* t a)))

simplify3.7s

Counts
92 → 92
Iterations
IterNodes
done5000
21462
1364
0138

prune1.4s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 5.0b

localize115.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ z (sqrt (- (* z z) (* t a))))
0.8b
(- (* z z) (* t a))
4.1b
(* (* x y) (/ z (sqrt (- (* z z) (* t a)))))
25.9b
(sqrt (- (* z z) (* t a)))

rewrite232.0ms

Algorithm
rewrite-expression-head
Rules
36×times-frac
34×add-sqr-sqrt
33×*-un-lft-identity add-cube-cbrt
24×associate-*r* sqrt-prod
18×add-cbrt-cube add-exp-log
10×pow1
associate-/r* sqrt-div prod-exp cbrt-unprod add-log-exp
flip3-- associate-/r/ insert-posit16 flip--
cbrt-undiv div-exp pow-prod-down associate-/l*
div-inv
rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 pow1/2 diff-log associate-*l* associate-*r/ *-commutative
Counts
4 → 116
Calls
4 calls:
39.0ms
(/ z (sqrt (- (* z z) (* t a))))
21.0ms
(- (* z z) (* t a))
128.0ms
(* (* x y) (/ z (sqrt (- (* z z) (* t a)))))
36.0ms
(sqrt (- (* z z) (* t a)))

series541.0ms

Counts
4 → 12
Calls
4 calls:
92.0ms
(/ z (sqrt (- (* z z) (* t a))))
55.0ms
(- (* z z) (* t a))
247.0ms
(* (* x y) (/ z (sqrt (- (* z z) (* t a)))))
148.0ms
(sqrt (- (* z z) (* t a)))

simplify4.1s

Counts
128 → 128
Iterations
IterNodes
done5000
21736
1478
0170

prune1.8s

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 4.3b

localize138.0ms

Local error

Found 4 expressions with local error:

0.6b
(* x (* y (/ z (sqrt (- (* z z) (* t a))))))
0.8b
(- (* z z) (* t a))
2.0b
(* y (/ z (sqrt (- (* z z) (* t a)))))
25.9b
(sqrt (- (* z z) (* t a)))

rewrite328.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt
25×associate-*r*
20×*-un-lft-identity times-frac add-cube-cbrt
18×add-cbrt-cube add-exp-log
13×sqrt-prod
12×pow1
prod-exp cbrt-unprod
associate-*l* add-log-exp
sqrt-div pow-prod-down insert-posit16
flip3-- associate-*r/ flip-- unswap-sqr
cbrt-undiv div-exp associate-/r/ *-commutative
rem-sqrt-square sub-neg sqrt-pow1 pow1/2 diff-log div-inv
Counts
4 → 96
Calls
4 calls:
148.0ms
(* x (* y (/ z (sqrt (- (* z z) (* t a))))))
20.0ms
(- (* z z) (* t a))
124.0ms
(* y (/ z (sqrt (- (* z z) (* t a)))))
29.0ms
(sqrt (- (* z z) (* t a)))

series546.0ms

Counts
4 → 12
Calls
4 calls:
176.0ms
(* x (* y (/ z (sqrt (- (* z z) (* t a))))))
67.0ms
(- (* z z) (* t a))
164.0ms
(* y (/ z (sqrt (- (* z z) (* t a)))))
139.0ms
(sqrt (- (* z z) (* t a)))

simplify3.9s

Counts
108 → 108
Iterations
IterNodes
done5003
21379
1430
0165

prune1.5s

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 4.3b

localize150.0ms

Local error

Found 4 expressions with local error:

0.6b
(* x (* (* y z) (/ 1 (sqrt (- (* z z) (* t a))))))
0.8b
(- (* z z) (* t a))
7.1b
(* (* y z) (/ 1 (sqrt (- (* z z) (* t a)))))
25.9b
(sqrt (- (* z z) (* t a)))

rewrite479.0ms

Algorithm
rewrite-expression-head
Rules
58×add-exp-log
34×add-cbrt-cube
33×prod-exp
25×associate-*r*
20×add-sqr-sqrt
19×pow1 *-un-lft-identity add-cube-cbrt
18×times-frac
17×cbrt-unprod
12×sqrt-prod
pow-prod-down
div-exp
add-log-exp
cbrt-undiv rec-exp sqrt-div 1-exp associate-*l* associate-*r/ insert-posit16
flip3-- flip--
associate-/r/ un-div-inv *-commutative
rem-sqrt-square sub-neg sqrt-pow1 pow1/2 diff-log div-inv
Counts
4 → 111
Calls
4 calls:
237.0ms
(* x (* (* y z) (/ 1 (sqrt (- (* z z) (* t a))))))
37.0ms
(- (* z z) (* t a))
176.0ms
(* (* y z) (/ 1 (sqrt (- (* z z) (* t a)))))
20.0ms
(sqrt (- (* z z) (* t a)))

series552.0ms

Counts
4 → 12
Calls
4 calls:
203.0ms
(* x (* (* y z) (/ 1 (sqrt (- (* z z) (* t a))))))
87.0ms
(- (* z z) (* t a))
147.0ms
(* (* y z) (/ 1 (sqrt (- (* z z) (* t a)))))
115.0ms
(sqrt (- (* z z) (* t a)))

simplify4.2s

Counts
123 → 123
Iterations
IterNodes
done5000
21694
1535
0186

prune1.4s

Pruning

9 alts after pruning (6 fresh and 3 done)

Merged error: 4.3b

regimes2.8s

Accuracy

84.6% (3.0b remaining)

Error of 6.4b against oracle of 3.5b and baseline of 22.6b

bsearch171.0ms

Steps
ItersRangePoint
6
4.976139366752269e+101
2.1828196885728892e+102
1.1757746865835248e+102
10
-1.7445526317241335e+161
-1.6517060916622868e+149
-7.751960138449552e+153

simplify20.0ms

Iterations
IterNodes
done30
230
128
020

end0.0ms

sample2.4s

Algorithm
intervals
Results
941.0ms8868×body80valid
659.0ms2919×body80nan