Details

Time bar (total: 17.4s)

sample77.0ms

Algorithm
intervals
Results
25.0ms273×body80valid
8.0ms93×body80nan

simplify92.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01214
12114
24514
36714
49214
510714
done10714

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 27.1b

localize18.0ms

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)))

rewrite94.0ms

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
sqrt-div
cbrt-undiv flip3-- div-exp associate-*r* pow-prod-down flip--
associate-/r/
sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 diff-log associate-*l* clear-num *-commutative div-inv associate-/l*
Counts
4 → 76
Calls
4 calls:
9.0ms
(- (* z z) (* t a))
21.0ms
(* (* x y) z)
52.0ms
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
10.0ms
(sqrt (- (* z z) (* t a)))

series321.0ms

Counts
4 → 12
Calls
4 calls:
48.0ms
(- (* z z) (* t a))
33.0ms
(* (* x y) z)
138.0ms
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
103.0ms
(sqrt (- (* z z) (* t a)))

simplify1.5s

Counts
88 → 88
Iterations

Useful iterations: done (1.5s)

IterNodesCost
01341237
13411135
21495975
done5001974

prune378.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 4.3b

localize13.0ms

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
sqrt-div div-inv
flip3-- flip--
frac-2neg prod-exp clear-num cbrt-unprod associate-/l/
sub-neg rem-sqrt-square sqrt-pow1 pow1/2 diff-log associate-/r/
Counts
4 → 132
Calls
4 calls:
19.0ms
(/ (sqrt (- (* z z) (* t a))) z)
14.0ms
(- (* z z) (* t a))
36.0ms
(/ (* x y) (/ (sqrt (- (* z z) (* t a))) z))
10.0ms
(sqrt (- (* z z) (* t a)))

series758.0ms

Counts
4 → 12
Calls
4 calls:
113.0ms
(/ (sqrt (- (* z z) (* t a))) z)
42.0ms
(- (* z z) (* t a))
122.0ms
(/ (* x y) (/ (sqrt (- (* z z) (* t a))) z))
480.0ms
(sqrt (- (* z z) (* t a)))

simplify1.7s

Counts
144 → 144
Iterations

Useful iterations: done (1.7s)

IterNodesCost
02102654
15002421
216412221
done50002218

prune456.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 4.3b

localize29.0ms

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)))

rewrite48.0ms

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 add-cbrt-cube add-log-exp
rem-sqrt-square flip3-- sqrt-pow1 pow1/2 flip--
cbrt-div pow1/3 div-inv
Counts
4 → 76
Calls
4 calls:
9.0ms
(cbrt (/ (sqrt (- (* z z) (* t a))) z))
14.0ms
(sqrt (- (* z z) (* t a)))
12.0ms
(sqrt (- (* z z) (* t a)))
10.0ms
(sqrt (- (* z z) (* t a)))

series455.0ms

Counts
4 → 12
Calls
4 calls:
239.0ms
(cbrt (/ (sqrt (- (* z z) (* t a))) z))
66.0ms
(sqrt (- (* z z) (* t a)))
71.0ms
(sqrt (- (* z z) (* t a)))
78.0ms
(sqrt (- (* z z) (* t a)))

simplify2.7s

Counts
88 → 88
Iterations

Useful iterations: done (2.7s)

IterNodesCost
01431458
12741328
26271252
314411246
434071238
done50011236

prune562.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 4.3b

localize19.0ms

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)))

rewrite141.0ms

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
flip3-- frac-2neg sqrt-div clear-num flip--
sub-neg rem-sqrt-square sqrt-pow1 pow1/2 diff-log associate-/r/ associate-/l/
Counts
4 → 433
Calls
4 calls:
33.0ms
(/ (/ (sqrt (- (* z z) (* t a))) z) y)
9.0ms
(- (* z z) (* t a))
51.0ms
(/ x (/ (/ (sqrt (- (* z z) (* t a))) z) y))
10.0ms
(sqrt (- (* z z) (* t a)))

series448.0ms

Counts
4 → 12
Calls
4 calls:
127.0ms
(/ (/ (sqrt (- (* z z) (* t a))) z) y)
59.0ms
(- (* z z) (* t a))
147.0ms
(/ x (/ (/ (sqrt (- (* z z) (* t a))) z) y))
115.0ms
(sqrt (- (* z z) (* t a)))

simplify3.1s

Counts
445 → 445
Iterations

Useful iterations: 2 (2.0s)

IterNodesCost
065612287
1151911278
2475110862
done500210862

prune1.8s

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 4.3b

regimes505.0ms

Accuracy

84.2% (3.0b remaining)

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

bsearch73.0ms

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

simplify7.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02657
13257
23457
done3457

end0.0ms

sample2.0s

Algorithm
intervals
Results
607.0ms8880×body80valid
151.0ms2902×body80nan