Details

Time bar (total: 17.3s)

sample43.0ms

Algorithm
intervals
Results
16.0ms282×body80valid
5.0ms102×body80nan

simplify80.0ms

Counts
1 → 1
Iterations
IterNodes
done118
5118
497
372
246
122
012

prune12.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 26.6b

localize36.0ms

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)))

rewrite65.0ms

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))
14.0ms
(* (* x y) z)
31.0ms
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
10.0ms
(sqrt (- (* z z) (* t a)))

series348.0ms

Counts
4 → 12
Calls
4 calls:
56.0ms
(- (* z z) (* t a))
36.0ms
(* (* x y) z)
150.0ms
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
106.0ms
(sqrt (- (* z z) (* t a)))

simplify2.1s

Counts
98 → 98
Iterations
IterNodes
done5000
22299
1385
0146

prune798.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 3.4b

localize27.0ms

Local error

Found 4 expressions with local error:

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

rewrite104.0ms

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:
22.0ms
(/ z (sqrt (- (* z z) (* t a))))
13.0ms
(- (* z z) (* t a))
48.0ms
(* (* y x) (/ z (sqrt (- (* z z) (* t a)))))
13.0ms
(sqrt (- (* z z) (* t a)))

series304.0ms

Counts
4 → 12
Calls
4 calls:
91.0ms
(/ z (sqrt (- (* z z) (* t a))))
39.0ms
(- (* z z) (* t a))
97.0ms
(* (* y x) (/ z (sqrt (- (* z z) (* t a)))))
78.0ms
(sqrt (- (* z z) (* t a)))

simplify2.6s

Counts
134 → 134
Iterations
IterNodes
done5001
23165
1496
0179

prune803.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 2.3b

localize56.0ms

Local error

Found 4 expressions with local error:

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

rewrite61.0ms

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-*l* pow-prod-down
cbrt-undiv flip3-- div-exp associate-*r/ flip--
associate-*r* *-commutative
Counts
4 → 68
Calls
4 calls:
1.0ms
(cbrt z)
49.0ms
(* y (* x (/ (* (cbrt z) (cbrt z)) (fabs (cbrt (- (* z z) (* t a)))))))
5.0ms
(cbrt (- (* z z) (* t a)))
5.0ms
(cbrt (- (* z z) (* t a)))

series765.0ms

Counts
4 → 12
Calls
4 calls:
223.0ms
(cbrt z)
291.0ms
(* y (* x (/ (* (cbrt z) (cbrt z)) (fabs (cbrt (- (* z z) (* t a)))))))
129.0ms
(cbrt (- (* z z) (* t a)))
121.0ms
(cbrt (- (* z z) (* t a)))

simplify1.7s

Counts
80 → 80
Iterations
IterNodes
done5001
21821
1417
0151

prune839.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 2.3b

localize119.0ms

Local error

Found 4 expressions with local error:

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

rewrite87.0ms

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-*l* pow-prod-down flip--
cbrt-undiv rem-sqrt-square cbrt-div sqrt-pow1 pow1/2 div-exp associate-*r/
pow1/3 associate-*r* *-commutative
Counts
4 → 74
Calls
4 calls:
52.0ms
(* y (* x (/ (* (cbrt z) (cbrt z)) (fabs (cbrt (- (* z z) (* t a)))))))
10.0ms
(sqrt (- (* z z) (* t a)))
12.0ms
(sqrt (- (* z z) (* t a)))
9.0ms
(cbrt (- (* z z) (* t a)))

series528.0ms

Counts
4 → 12
Calls
4 calls:
239.0ms
(* y (* x (/ (* (cbrt z) (cbrt z)) (fabs (cbrt (- (* z z) (* t a)))))))
88.0ms
(sqrt (- (* z z) (* t a)))
93.0ms
(sqrt (- (* z z) (* t a)))
107.0ms
(cbrt (- (* z z) (* t a)))

simplify1.3s

Counts
86 → 86
Iterations
IterNodes
done5001
21776
1435
0162

prune941.0ms

Pruning

12 alts after pruning (10 fresh and 2 done)

Merged error: 2.3b

regimes1.5s

Accuracy

86.8% (2.5b remaining)

Error of 5.8b against oracle of 3.3b and baseline of 22.3b

bsearch159.0ms

Steps
ItersRangePoint
8
4.271611683557293e+96
5.363233345281319e+99
1.239440162778037e+98
7
-1.0846037281689326e+122
-1.7535874949385931e+120
-4.828914214900402e+120

simplify9.0ms

Iterations
IterNodes
done47
247
145
035

end0.0ms

sample1.9s

Algorithm
intervals
Results
786.0ms8855×body80valid
577.0ms2804×body80nan