Details

Time bar (total: 21.2s)

sample109.0ms

Algorithm
intervals
Results
55.0ms272×body80valid
11.0ms90×body80nan

simplify248.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (25.0ms)

IterNodesCost
02038
13538
26637
311637
415037
516437
616637
done16637

prune26.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 19.9b

localize192.0ms

Local error

Found 4 expressions with local error:

1.0b
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
1.1b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
22.8b
(sqrt (- (* b b) (* (* 4.0 a) c)))
22.8b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite187.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt
12×*-un-lft-identity
10×add-log-exp
sqrt-prod
pow1 add-cube-cbrt
add-exp-log flip3-- sqrt-div add-cbrt-cube flip-- difference-of-squares
diff-log distribute-lft-out--
sub-neg rem-sqrt-square sqrt-pow1 pow1/2
associate--l- neg-sub0 distribute-rgt-neg-in neg-log
Counts
4 → 63
Calls
4 calls:
94.0ms
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
47.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
18.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
22.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series590.0ms

Counts
4 → 12
Calls
4 calls:
152.0ms
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
151.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
131.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
156.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify1.1s

Counts
75 → 75
Iterations

Useful iterations: done (1.1s)

IterNodesCost
01061330
12501189
210981110
done50011100

prune844.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 9.4b

localize207.0ms

Local error

Found 4 expressions with local error:

8.9b
(- (- b) (* (sqrt (sqrt (- (* b b) (* (* 4.0 a) c)))) (sqrt (sqrt (- (* b b) (* (* 4.0 a) c))))))
22.8b
(sqrt (- (* b b) (* (* 4.0 a) c)))
22.8b
(sqrt (- (* b b) (* (* 4.0 a) c)))
22.8b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite91.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt
sqrt-prod
add-log-exp
pow1 add-cube-cbrt *-un-lft-identity
sqrt-div
add-exp-log flip3-- add-cbrt-cube flip--
rem-sqrt-square sqrt-pow1 pow1/2
diff-log
associate--l- neg-sub0 sub-neg neg-log difference-of-squares
Counts
4 → 60
Calls
4 calls:
25.0ms
(- (- b) (* (sqrt (sqrt (- (* b b) (* (* 4.0 a) c)))) (sqrt (sqrt (- (* b b) (* (* 4.0 a) c))))))
18.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
26.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
19.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series558.0ms

Counts
4 → 12
Calls
4 calls:
148.0ms
(- (- b) (* (sqrt (sqrt (- (* b b) (* (* 4.0 a) c)))) (sqrt (sqrt (- (* b b) (* (* 4.0 a) c))))))
132.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
138.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
139.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify993.0ms

Counts
72 → 72
Iterations

Useful iterations: done (989.0ms)

IterNodesCost
0901506
12361066
29821000
done5001992

prune878.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 9.4b

localize233.0ms

Local error

Found 4 expressions with local error:

22.8b
(sqrt (- (* b b) (* (* 4.0 a) c)))
22.8b
(sqrt (- (* b b) (* (* 4.0 a) c)))
23.5b
(cbrt (- (* b b) (* (* 4.0 a) c)))
23.5b
(cbrt (- (* b b) (* (* 4.0 a) c)))

rewrite73.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
add-cube-cbrt *-un-lft-identity
pow1 cbrt-prod sqrt-prod
add-exp-log cbrt-div flip3-- sqrt-div add-cbrt-cube flip-- add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2 pow1/3
Counts
4 → 56
Calls
4 calls:
20.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
19.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
19.0ms
(cbrt (- (* b b) (* (* 4.0 a) c)))
12.0ms
(cbrt (- (* b b) (* (* 4.0 a) c)))

series658.0ms

Counts
4 → 12
Calls
4 calls:
135.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
138.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
184.0ms
(cbrt (- (* b b) (* (* 4.0 a) c)))
200.0ms
(cbrt (- (* b b) (* (* 4.0 a) c)))

simplify3.8s

Counts
68 → 68
Iterations

Useful iterations: done (3.8s)

IterNodesCost
0901160
12111076
2700976
33606966
done5001942

prune1.1s

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 9.4b

localize260.0ms

Local error

Found 4 expressions with local error:

23.5b
(cbrt (- (* b b) (* (* 4.0 a) c)))
23.5b
(cbrt (- (* b b) (* (* 4.0 a) c)))
23.5b
(cbrt (- (* b b) (* (* 4.0 a) c)))
23.5b
(cbrt (- (* b b) (* (* 4.0 a) c)))

rewrite58.0ms

Algorithm
rewrite-expression-head
Rules
12×cbrt-prod
add-sqr-sqrt add-cube-cbrt cbrt-div *-un-lft-identity
pow1 add-exp-log flip3-- pow1/3 add-cbrt-cube flip-- add-log-exp
Counts
4 → 52
Calls
4 calls:
11.0ms
(cbrt (- (* b b) (* (* 4.0 a) c)))
12.0ms
(cbrt (- (* b b) (* (* 4.0 a) c)))
13.0ms
(cbrt (- (* b b) (* (* 4.0 a) c)))
20.0ms
(cbrt (- (* b b) (* (* 4.0 a) c)))

series763.0ms

Counts
4 → 12
Calls
4 calls:
200.0ms
(cbrt (- (* b b) (* (* 4.0 a) c)))
205.0ms
(cbrt (- (* b b) (* (* 4.0 a) c)))
177.0ms
(cbrt (- (* b b) (* (* 4.0 a) c)))
180.0ms
(cbrt (- (* b b) (* (* 4.0 a) c)))

simplify3.2s

Counts
64 → 64
Iterations

Useful iterations: done (3.2s)

IterNodesCost
0651180
11611144
25711024
330881004
done5001964

prune1.0s

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 9.4b

regimes501.0ms

Accuracy

92.4% (1.0b remaining)

Error of 8.6b against oracle of 7.6b and baseline of 20.1b

bsearch340.0ms

Steps
ItersRangePoint
8
4.049254448328916e+76
2.3057443967677173e+80
2.2766902918844874e+80
8
-1.7982126770691641e+158
-3.251690204975706e+154
-3.316762893443504e+154

simplify11.0ms

Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
041130
147130
done47130

end0.0ms

sample3.1s

Algorithm
intervals
Results
1.5s8711×body80valid
455.0ms2982×body80nan