Details

Time bar (total: 20.5s)

sample36.0ms

Algorithm
intervals
Results
13.0ms278×body80valid
4.0ms100×body80nan

simplify134.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
012285
122285
237285
358285
477285
597285
6106285
done106285

prune11.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 27.4b

localize26.0ms

Local error

Found 4 expressions with local error:

0.8b
(- (* z z) (* t a))
5.0b
(* (* x y) z)
11.2b
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
27.2b
(sqrt (- (* z z) (* t a)))

rewrite78.0ms

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)
35.0ms
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
19.0ms
(sqrt (- (* z z) (* t a)))

series302.0ms

Counts
4 → 12
Calls
4 calls:
67.0ms
(- (* z z) (* t a))
41.0ms
(* (* x y) z)
110.0ms
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
83.0ms
(sqrt (- (* z z) (* t a)))

simplify2.0s

Counts
98 → 98
Iterations

Useful iterations: done (2.0s)

IterNodesCost
014626392
137623328
2148022968
done500122903

prune674.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 3.2b

localize42.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ z (sqrt (- (* z z) (* t a))))
0.8b
(- (* z z) (* t a))
2.4b
(* (* x y) (/ z (sqrt (- (* z z) (* t a)))))
27.2b
(sqrt (- (* z z) (* t a)))

rewrite94.0ms

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:
24.0ms
(/ z (sqrt (- (* z z) (* t a))))
13.0ms
(- (* z z) (* t a))
39.0ms
(* (* x y) (/ z (sqrt (- (* z z) (* t a)))))
12.0ms
(sqrt (- (* z z) (* t a)))

series302.0ms

Counts
4 → 12
Calls
4 calls:
69.0ms
(/ z (sqrt (- (* z z) (* t a))))
43.0ms
(- (* z z) (* t a))
108.0ms
(* (* x y) (/ z (sqrt (- (* z z) (* t a)))))
83.0ms
(sqrt (- (* z z) (* t a)))

simplify2.8s

Counts
134 → 134
Iterations

Useful iterations: done (2.8s)

IterNodesCost
017842931
149338917
2181938674
done500138129

prune960.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 2.4b

localize42.0ms

Local error

Found 4 expressions with local error:

0.8b
(- (* z z) (* t a))
1.2b
(* x (* y (/ z (sqrt (- (* z z) (* t a))))))
1.4b
(* y (/ z (sqrt (- (* z z) (* t a)))))
27.2b
(sqrt (- (* z z) (* t a)))

rewrite150.0ms

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
expm1-log1p-u sqrt-div pow-prod-down log1p-expm1-u
flip3-- associate-*r/ flip-- unswap-sqr
cbrt-undiv div-exp associate-/r/ *-commutative
rem-sqrt-square sub-neg sqrt-pow1 pow1/2 fma-neg diff-log prod-diff div-inv
Counts
4 → 102
Calls
4 calls:
13.0ms
(- (* z z) (* t a))
50.0ms
(* x (* y (/ z (sqrt (- (* z z) (* t a))))))
57.0ms
(* y (/ z (sqrt (- (* z z) (* t a)))))
23.0ms
(sqrt (- (* z z) (* t a)))

series356.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(- (* z z) (* t a))
103.0ms
(* x (* y (/ z (sqrt (- (* z z) (* t a))))))
105.0ms
(* y (/ z (sqrt (- (* z z) (* t a)))))
108.0ms
(sqrt (- (* z z) (* t a)))

simplify2.5s

Counts
114 → 114
Iterations

Useful iterations: done (2.5s)

IterNodesCost
017333045
144129574
2138729454
done500029189

prune839.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 2.4b

localize76.0ms

Local error

Found 4 expressions with local error:

1.2b
(* x (* (/ y (fabs (cbrt (- (* z z) (* t a))))) (/ z (sqrt (cbrt (- (* z z) (* t a)))))))
8.2b
(* (/ y (fabs (cbrt (- (* z z) (* t a))))) (/ z (sqrt (cbrt (- (* z z) (* t a))))))
28.1b
(cbrt (- (* z z) (* t a)))
28.1b
(cbrt (- (* z z) (* t a)))

rewrite149.0ms

Algorithm
rewrite-expression-head
Rules
59×add-sqr-sqrt
46×times-frac
34×add-cbrt-cube associate-*r* add-exp-log
33×*-un-lft-identity add-cube-cbrt
22×sqrt-prod
17×cbrt-prod
16×associate-*l*
13×prod-exp cbrt-unprod
11×pow1
cbrt-undiv div-exp unswap-sqr
cbrt-div
associate-*r/
expm1-log1p-u pow-prod-down log1p-expm1-u add-log-exp
flip3-- flip--
frac-times pow1/3 sqrt-div associate-*l/ associate-/r/ *-commutative div-inv
Counts
4 → 135
Calls
4 calls:
80.0ms
(* x (* (/ y (fabs (cbrt (- (* z z) (* t a))))) (/ z (sqrt (cbrt (- (* z z) (* t a)))))))
48.0ms
(* (/ y (fabs (cbrt (- (* z z) (* t a))))) (/ z (sqrt (cbrt (- (* z z) (* t a))))))
5.0ms
(cbrt (- (* z z) (* t a)))
6.0ms
(cbrt (- (* z z) (* t a)))

series828.0ms

Counts
4 → 12
Calls
4 calls:
339.0ms
(* x (* (/ y (fabs (cbrt (- (* z z) (* t a))))) (/ z (sqrt (cbrt (- (* z z) (* t a)))))))
221.0ms
(* (/ y (fabs (cbrt (- (* z z) (* t a))))) (/ z (sqrt (cbrt (- (* z z) (* t a))))))
133.0ms
(cbrt (- (* z z) (* t a)))
134.0ms
(cbrt (- (* z z) (* t a)))

simplify3.7s

Counts
147 → 147
Iterations

Useful iterations: done (3.6s)

IterNodesCost
027077549
178470833
2263169705
done500069207

prune1.1s

Pruning

9 alts after pruning (6 fresh and 3 done)

Merged error: 2.4b

regimes1.2s

Accuracy

84.4% (3.0b remaining)

Error of 6.3b against oracle of 3.3b and baseline of 22.6b

bsearch51.0ms

Steps
ItersRangePoint
1
1.8047529537396908e+77
1.9106710751339173e+77
1.8841915447853606e+77
9
-1.5609492160219461e+159
-1.6646169640830922e+150
-1.0342362768199871e+154

simplify7.0ms

Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
021667
127667
230667
done30667

end0.0ms

sample2.0s

Algorithm
intervals
Results
1.2s8886×body80valid
246.0ms3063×body80nan