Details

Time bar (total: 11.7s)

sample36.0ms

Algorithm
intervals
Results
13.0ms274×body80valid
5.0ms104×body80nan

simplify130.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (10.0ms)

IterNodesCost
02038
13838
27837
313537
415537
516537
616937
done16937

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 21.2b

localize85.0ms

Local error

Found 4 expressions with local error:

1.0b
(- (* b b) (* (* 4.0 a) c))
1.2b
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
23.4b
(sqrt (- (* b b) (* (* 4.0 a) c)))
23.4b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite78.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt
*-un-lft-identity add-log-exp
sqrt-prod
pow1 add-cube-cbrt
add-exp-log flip3-- sqrt-div add-cbrt-cube flip--
sub-neg rem-sqrt-square sqrt-pow1 pow1/2 diff-log difference-of-squares
distribute-lft-out--
Counts
4 → 57
Calls
4 calls:
8.0ms
(- (* b b) (* (* 4.0 a) c))
49.0ms
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
9.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
10.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series417.0ms

Counts
4 → 12
Calls
4 calls:
46.0ms
(- (* b b) (* (* 4.0 a) c))
223.0ms
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
74.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
74.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify1.5s

Counts
69 → 69
Iterations

Useful iterations: done (1.5s)

IterNodesCost
0911129
12071001
2651935
32361930
done5000924

prune261.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 8.1b

localize86.0ms

Local error

Found 4 expressions with local error:

14.2b
(- (- b) (* (sqrt (sqrt (- (* b b) (* (* 4.0 a) c)))) (sqrt (sqrt (- (* b b) (* (* 4.0 a) c))))))
23.4b
(sqrt (- (* b b) (* (* 4.0 a) c)))
23.4b
(sqrt (- (* b b) (* (* 4.0 a) c)))
23.4b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite46.0ms

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:
13.0ms
(- (- b) (* (sqrt (sqrt (- (* b b) (* (* 4.0 a) c)))) (sqrt (sqrt (- (* b b) (* (* 4.0 a) c))))))
10.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
13.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
9.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series293.0ms

Counts
4 → 12
Calls
4 calls:
79.0ms
(- (- b) (* (sqrt (sqrt (- (* b b) (* (* 4.0 a) c)))) (sqrt (sqrt (- (* b b) (* (* 4.0 a) c))))))
71.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
70.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
74.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify1.6s

Counts
72 → 72
Iterations

Useful iterations: done (1.6s)

IterNodesCost
0901506
12251066
27261000
32540988
done5000984

prune313.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 8.1b

localize90.0ms

Local error

Found 4 expressions with local error:

23.4b
(sqrt (- (* b b) (* (* 4.0 a) c)))
23.4b
(sqrt (- (* b b) (* (* 4.0 a) c)))
23.4b
(sqrt (- (* b b) (* (* 4.0 a) c)))
23.4b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite39.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt sqrt-prod
pow1 add-cube-cbrt *-un-lft-identity sqrt-div
add-exp-log rem-sqrt-square flip3-- sqrt-pow1 pow1/2 add-cbrt-cube flip-- add-log-exp
Counts
4 → 60
Calls
4 calls:
9.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
10.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
9.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
9.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series292.0ms

Counts
4 → 12
Calls
4 calls:
70.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
73.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
74.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
75.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify2.0s

Counts
72 → 72
Iterations

Useful iterations: done (2.0s)

IterNodesCost
0521140
11301008
2408928
31510928
done5000924

prune343.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 8.1b

localize95.0ms

Local error

Found 4 expressions with local error:

23.4b
(sqrt (- (* b b) (* (* 4.0 a) c)))
23.4b
(sqrt (- (* b b) (* (* 4.0 a) c)))
23.4b
(sqrt (- (* b b) (* (* 4.0 a) c)))
23.4b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite44.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt sqrt-prod
pow1 add-cube-cbrt *-un-lft-identity sqrt-div
add-exp-log rem-sqrt-square flip3-- sqrt-pow1 pow1/2 add-cbrt-cube flip-- add-log-exp
Counts
4 → 60
Calls
4 calls:
9.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
10.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
14.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
10.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series303.0ms

Counts
4 → 12
Calls
4 calls:
77.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
77.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
71.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
77.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify2.0s

Counts
72 → 72
Iterations

Useful iterations: done (2.0s)

IterNodesCost
0521140
11301008
2408928
31510928
done5000924

prune380.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 8.1b

regimes164.0ms

Accuracy

80.9% (2.4b remaining)

Error of 9.8b against oracle of 7.4b and baseline of 19.9b

bsearch119.0ms

Steps
ItersRangePoint
6
2.0335150395734557e+19
1.0746392320557105e+20
1.0610691325078738e+20
5
-130518226990374.3
-34802195229717.125
-128454993639955.03

simplify6.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
046192
156192
done56192

end0.0ms

sample908.0ms

Algorithm
intervals
Results
443.0ms8685×body80valid
124.0ms2832×body80nan