Details

Time bar (total: 18.1s)

sample45.0ms

Algorithm
intervals
Results
18.0ms273×body80valid
4.0ms93×body80nan

simplify73.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01214
12214
24614
37214
49714
511214
done11214

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 27.1b

localize12.0ms

Local error

Found 4 expressions with local error:

1.0b
(- (* z z) (* t a))
5.6b
(* (* x y) z)
11.1b
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
24.6b
(sqrt (- (* z z) (* t a)))

rewrite83.0ms

Algorithm
rewrite-expression-head
Rules
18×add-exp-log add-cbrt-cube
11×add-sqr-sqrt
10×pow1 add-cube-cbrt *-un-lft-identity
sqrt-prod
times-frac prod-exp associate-/r* 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/
sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 fma-neg diff-log associate-*l* prod-diff clear-num *-commutative div-inv associate-/l*
Counts
4 → 86
Calls
4 calls:
10.0ms
(- (* z z) (* t a))
19.0ms
(* (* x y) z)
39.0ms
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
13.0ms
(sqrt (- (* z z) (* t a)))

series292.0ms

Counts
4 → 12
Calls
4 calls:
58.0ms
(- (* z z) (* t a))
41.0ms
(* (* x y) z)
118.0ms
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
75.0ms
(sqrt (- (* z z) (* t a)))

simplify1.4s

Counts
98 → 98
Iterations

Useful iterations: done (1.4s)

IterNodesCost
01461331
13611220
215601062
done50011060

prune348.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 4.3b

localize22.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (sqrt (- (* z z) (* t a))) z)
1.0b
(- (* z z) (* t a))
2.4b
(/ (* x y) (/ (sqrt (- (* z z) (* t a))) z))
24.6b
(sqrt (- (* z z) (* t a)))

rewrite86.0ms

Algorithm
rewrite-expression-head
Rules
76×times-frac
47×add-sqr-sqrt
46×add-cube-cbrt *-un-lft-identity
33×sqrt-prod
25×associate-/r*
18×add-exp-log add-cbrt-cube
cbrt-undiv div-exp associate-/l*
add-log-exp
pow1
expm1-log1p-u sqrt-div log1p-expm1-u div-inv
flip3-- flip--
frac-2neg prod-exp clear-num cbrt-unprod associate-/l/
sub-neg rem-sqrt-square sqrt-pow1 pow1/2 fma-neg diff-log prod-diff associate-/r/
Counts
4 → 142
Calls
4 calls:
24.0ms
(/ (sqrt (- (* z z) (* t a))) z)
10.0ms
(- (* z z) (* t a))
23.0ms
(/ (* x y) (/ (sqrt (- (* z z) (* t a))) z))
19.0ms
(sqrt (- (* z z) (* t a)))

series398.0ms

Counts
4 → 12
Calls
4 calls:
95.0ms
(/ (sqrt (- (* z z) (* t a))) z)
57.0ms
(- (* z z) (* t a))
134.0ms
(/ (* x y) (/ (sqrt (- (* z z) (* t a))) z))
113.0ms
(sqrt (- (* z z) (* t a)))

simplify1.6s

Counts
154 → 154
Iterations

Useful iterations: done (1.6s)

IterNodesCost
02222758
15222513
216932314
done50012309

prune653.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 4.3b

localize22.0ms

Local error

Found 4 expressions with local error:

1.8b
(cbrt (/ (sqrt (- (* z z) (* t a))) z))
24.6b
(sqrt (- (* z z) (* t a)))
24.6b
(sqrt (- (* z z) (* t a)))
24.6b
(sqrt (- (* z z) (* t a)))

rewrite60.0ms

Algorithm
rewrite-expression-head
Rules
23×add-sqr-sqrt
22×cbrt-prod
20×add-cube-cbrt *-un-lft-identity
18×times-frac sqrt-prod
pow1
sqrt-div
add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
rem-sqrt-square flip3-- sqrt-pow1 pow1/2 flip--
cbrt-div pow1/3 div-inv
Counts
4 → 84
Calls
4 calls:
7.0ms
(cbrt (/ (sqrt (- (* z z) (* t a))) z))
16.0ms
(sqrt (- (* z z) (* t a)))
20.0ms
(sqrt (- (* z z) (* t a)))
14.0ms
(sqrt (- (* z z) (* t a)))

series495.0ms

Counts
4 → 12
Calls
4 calls:
225.0ms
(cbrt (/ (sqrt (- (* z z) (* t a))) z))
85.0ms
(sqrt (- (* z z) (* t a)))
95.0ms
(sqrt (- (* z z) (* t a)))
90.0ms
(sqrt (- (* z z) (* t a)))

simplify3.9s

Counts
96 → 96
Iterations

Useful iterations: done (3.9s)

IterNodesCost
01471536
12871394
26751320
316171310
438841303
done50001301

prune623.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 4.3b

localize13.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ (/ (sqrt (- (* z z) (* t a))) z) y)
1.0b
(- (* z z) (* t a))
2.6b
(/ x (/ (/ (sqrt (- (* z z) (* t a))) z) y))
24.6b
(sqrt (- (* z z) (* t a)))

rewrite162.0ms

Algorithm
rewrite-expression-head
Rules
828×times-frac
400×add-sqr-sqrt
399×add-cube-cbrt *-un-lft-identity
147×sqrt-prod
73×associate-/r*
25×associate-/l*
22×div-inv
18×add-exp-log add-cbrt-cube
cbrt-undiv div-exp
add-log-exp
pow1
expm1-log1p-u log1p-expm1-u
flip3-- frac-2neg sqrt-div clear-num flip--
sub-neg rem-sqrt-square sqrt-pow1 pow1/2 fma-neg diff-log prod-diff associate-/r/ associate-/l/
Counts
4 → 443
Calls
4 calls:
31.0ms
(/ (/ (sqrt (- (* z z) (* t a))) z) y)
10.0ms
(- (* z z) (* t a))
60.0ms
(/ x (/ (/ (sqrt (- (* z z) (* t a))) z) y))
15.0ms
(sqrt (- (* z z) (* t a)))

series364.0ms

Counts
4 → 12
Calls
4 calls:
107.0ms
(/ (/ (sqrt (- (* z z) (* t a))) z) y)
50.0ms
(- (* z z) (* t a))
126.0ms
(/ x (/ (/ (sqrt (- (* z z) (* t a))) z) y))
81.0ms
(sqrt (- (* z z) (* t a)))

simplify2.9s

Counts
455 → 455
Iterations

Useful iterations: done (2.9s)

IterNodesCost
066812395
1154011376
2479210963
done500210962

prune1.9s

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 4.3b

regimes458.0ms

Accuracy

84.2% (3.0b remaining)

Error of 6.2b against oracle of 3.2b and baseline of 22.0b

bsearch99.0ms

Steps
ItersRangePoint
8
7.3012733596749945e+62
1.421506626309928e+66
1.1880731543996549e+66
4
-5.8187113216689725e+144
-3.7837750553294994e+144
-5.373569013407213e+144

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02757
13257
23457
done3457

end0.0ms

sample2.0s

Algorithm
intervals
Results
725.0ms8880×body80valid
225.0ms2902×body80nan