Details

Time bar (total: 17.4s)

sample64.0ms

Algorithm
intervals
Results
20.0ms282×body80valid
6.0ms102×body80nan

simplify104.0ms

Counts
1 → 1
Iterations
IterNodes
done106
6106
597
477
358
237
122
012

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 26.6b

localize23.0ms

Local error

Found 4 expressions with local error:

0.4b
(- (* z z) (* t a))
6.1b
(* (* x y) z)
11.6b
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
23.0b
(sqrt (- (* z z) (* t a)))

rewrite95.0ms

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
expm1-log1p-u sqrt-div log1p-expm1-u
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 fma-neg diff-log associate-*l* prod-diff *-commutative div-inv associate-/l*
Counts
4 → 86
Calls
4 calls:
7.0ms
(- (* z z) (* t a))
19.0ms
(* (* x y) z)
52.0ms
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
16.0ms
(sqrt (- (* z z) (* t a)))

series308.0ms

Counts
4 → 12
Calls
4 calls:
37.0ms
(- (* z z) (* t a))
34.0ms
(* (* x y) z)
146.0ms
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
90.0ms
(sqrt (- (* z z) (* t a)))

simplify1.7s

Counts
98 → 98
Iterations
IterNodes
done5001
21480
1376
0146

prune725.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 3.4b

localize25.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ z (sqrt (- (* z z) (* t a))))
0.4b
(- (* z z) (* t a))
3.8b
(* (* x y) (/ z (sqrt (- (* z z) (* t a)))))
23.0b
(sqrt (- (* z z) (* t a)))

rewrite70.0ms

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
expm1-log1p-u flip3-- associate-/r/ log1p-expm1-u 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 fma-neg diff-log associate-*l* prod-diff associate-*r/ *-commutative
Counts
4 → 122
Calls
4 calls:
14.0ms
(/ z (sqrt (- (* z z) (* t a))))
7.0ms
(- (* z z) (* t a))
37.0ms
(* (* x y) (/ z (sqrt (- (* z z) (* t a)))))
10.0ms
(sqrt (- (* z z) (* t a)))

series361.0ms

Counts
4 → 12
Calls
4 calls:
78.0ms
(/ z (sqrt (- (* z z) (* t a))))
52.0ms
(- (* z z) (* t a))
136.0ms
(* (* x y) (/ z (sqrt (- (* z z) (* t a)))))
95.0ms
(sqrt (- (* z z) (* t a)))

simplify1.8s

Counts
134 → 134
Iterations
IterNodes
done5001
21819
1493
0178

prune844.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 2.4b

localize81.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt z)
0.6b
(* (* (/ (* (cbrt z) (cbrt z)) (fabs (cbrt (- (* z z) (* t a))))) x) y)
23.8b
(cbrt (- (* z z) (* t a)))
23.8b
(cbrt (- (* z z) (* t a)))

rewrite102.0ms

Algorithm
rewrite-expression-head
Rules
18×add-exp-log
16×add-cbrt-cube
cbrt-prod pow1
add-sqr-sqrt *-un-lft-identity prod-exp add-cube-cbrt cbrt-unprod
expm1-log1p-u cbrt-div log1p-expm1-u add-log-exp
pow1/3 associate-*r* pow-prod-down
cbrt-undiv flip3-- div-exp associate-*l/ flip--
associate-*l* *-commutative
Counts
4 → 68
Calls
4 calls:
1.0ms
(cbrt z)
86.0ms
(* (* (/ (* (cbrt z) (cbrt z)) (fabs (cbrt (- (* z z) (* t a))))) x) y)
8.0ms
(cbrt (- (* z z) (* t a)))
5.0ms
(cbrt (- (* z z) (* t a)))

series932.0ms

Counts
4 → 12
Calls
4 calls:
275.0ms
(cbrt z)
432.0ms
(* (* (/ (* (cbrt z) (cbrt z)) (fabs (cbrt (- (* z z) (* t a))))) x) y)
110.0ms
(cbrt (- (* z z) (* t a)))
114.0ms
(cbrt (- (* z z) (* t a)))

simplify1.9s

Counts
80 → 80
Iterations
IterNodes
done5003
21377
1419
0152

prune749.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 2.4b

localize121.0ms

Local error

Found 4 expressions with local error:

0.6b
(* (* (/ (* (cbrt z) (cbrt z)) (fabs (* (cbrt (sqrt (- (* z z) (* t a)))) (cbrt (sqrt (- (* z z) (* t a))))))) x) y)
23.0b
(sqrt (- (* z z) (* t a)))
23.0b
(sqrt (- (* z z) (* t a)))
23.8b
(cbrt (- (* z z) (* t a)))

rewrite134.0ms

Algorithm
rewrite-expression-head
Rules
18×add-exp-log
16×add-cbrt-cube
11×pow1
10×add-sqr-sqrt
*-un-lft-identity prod-exp add-cube-cbrt cbrt-unprod
sqrt-prod
expm1-log1p-u sqrt-div log1p-expm1-u add-log-exp
cbrt-prod flip3-- associate-*r* pow-prod-down flip--
cbrt-undiv rem-sqrt-square cbrt-div sqrt-pow1 pow1/2 div-exp associate-*l/
pow1/3 associate-*l* *-commutative
Counts
4 → 74
Calls
4 calls:
106.0ms
(* (* (/ (* (cbrt z) (cbrt z)) (fabs (* (cbrt (sqrt (- (* z z) (* t a)))) (cbrt (sqrt (- (* z z) (* t a))))))) x) y)
12.0ms
(sqrt (- (* z z) (* t a)))
9.0ms
(sqrt (- (* z z) (* t a)))
5.0ms
(cbrt (- (* z z) (* t a)))

series809.0ms

Counts
4 → 12
Calls
4 calls:
504.0ms
(* (* (/ (* (cbrt z) (cbrt z)) (fabs (* (cbrt (sqrt (- (* z z) (* t a)))) (cbrt (sqrt (- (* z z) (* t a))))))) x) y)
102.0ms
(sqrt (- (* z z) (* t a)))
99.0ms
(sqrt (- (* z z) (* t a)))
104.0ms
(cbrt (- (* z z) (* t a)))

simplify2.1s

Counts
86 → 86
Iterations
IterNodes
done5000
21448
1432
0163

prune824.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 2.4b

regimes1.5s

Accuracy

87.2% (2.4b remaining)

Error of 5.8b against oracle of 3.3b and baseline of 22.2b

bsearch121.0ms

Steps
ItersRangePoint
8
4.271611683557293e+96
5.363233345281319e+99
8.80124926176556e+98
6
-8.608795433027066e+122
-1.0846037281689326e+122
-2.099203142812841e+122

simplify9.0ms

Iterations
IterNodes
done40
240
137
030

end0.0ms

sample1.9s

Algorithm
intervals
Results
684.0ms8855×body80valid
178.0ms2804×body80nan