Details

Time bar (total: 5.9s)

sample64.0ms

Algorithm
intervals
Results
12.0ms202×body80valid
11.0ms31×body2560valid
6.0ms24×body1280valid
4.0ms79×body80nan
4.0ms18×body640valid
2.0ms10×body320valid
1.0msbody5120valid
0.0msbody160valid

simplify73.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01417
12817
26317
311417
413117
513717
614017
done14017

prune4.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 32.4b

Counts
2 → 1

localize12.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ (- (neg b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
0.5b
(- (neg b) (sqrt (- (* b b) (* 4.0 (* a c)))))
1.0b
(- (* b b) (* 4.0 (* a c)))
21.1b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite37.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
19×*-un-lft-identity
10×add-log-exp
add-exp-log add-cbrt-cube
add-cube-cbrt times-frac associate-/l*
sqrt-prod distribute-lft-out-- difference-of-squares
pow1
flip3-- flip--
distribute-rgt-neg-in diff-log
cbrt-undiv sub-neg sqrt-div div-exp associate-/l/
associate--l- neg-sub0 rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub neg-log prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 77
Calls
4 calls:
16.0ms
(/ (- (neg b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
9.0ms
(- (neg b) (sqrt (- (* b b) (* 4.0 (* a c)))))
4.0ms
(- (* b b) (* 4.0 (* a c)))
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series66.0ms

Counts
4 → 12
Calls
4 calls:
22.0ms
(/ (- (neg b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
17.0ms
(- (neg b) (sqrt (- (* b b) (* 4.0 (* a c)))))
10.0ms
(- (* b b) (* 4.0 (* a c)))
17.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify471.0ms

Counts
89 → 89
Iterations

Useful iterations: done (468.0ms)

IterNodesCost
01551752
14051663
213651487
done50001467

prune181.0ms

Filtered
66 candidates to 89 candidates (-34.8%)
Pruning

8 alts after pruning (8 fresh and 0 done)

PrunedKeptTotal
New81889
Fresh000
Picked101
Done000
Total82890

Merged error: 6.2b

Counts
90 → 8

localize14.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (neg b) (sqrt (- (* b b) (* 4.0 (* a c))))) (/ 1 (* 2.0 a)))
0.5b
(- (neg b) (sqrt (- (* b b) (* 4.0 (* a c)))))
1.0b
(- (* b b) (* 4.0 (* a c)))
21.1b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite38.0ms

Algorithm
rewrite-expression-head
Rules
23×add-exp-log
19×add-sqr-sqrt
16×*-un-lft-identity
13×add-cbrt-cube
10×prod-exp add-log-exp
add-cube-cbrt
pow1 associate-*r* associate-*l*
flip3-- sqrt-prod flip--
div-exp cbrt-unprod distribute-lft-out-- difference-of-squares
times-frac diff-log
cbrt-undiv frac-times sub-neg rec-exp distribute-rgt-neg-in sqrt-div 1-exp associate-*l/
associate--l- neg-sub0 rem-sqrt-square sqrt-pow1 pow1/2 associate-*r/ pow-prod-down neg-log un-div-inv *-commutative div-inv unswap-sqr
Counts
4 → 85
Calls
4 calls:
17.0ms
(* (- (neg b) (sqrt (- (* b b) (* 4.0 (* a c))))) (/ 1 (* 2.0 a)))
9.0ms
(- (neg b) (sqrt (- (* b b) (* 4.0 (* a c)))))
4.0ms
(- (* b b) (* 4.0 (* a c)))
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series69.0ms

Counts
4 → 12
Calls
4 calls:
22.0ms
(* (- (neg b) (sqrt (- (* b b) (* 4.0 (* a c))))) (/ 1 (* 2.0 a)))
18.0ms
(- (neg b) (sqrt (- (* b b) (* 4.0 (* a c)))))
13.0ms
(- (* b b) (* 4.0 (* a c)))
16.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify646.0ms

Counts
97 → 97
Iterations

Useful iterations: done (643.0ms)

IterNodesCost
01812005
14751825
217941585
done50001574

prune161.0ms

Filtered
68 candidates to 97 candidates (-42.6%)
Pruning

7 alts after pruning (7 fresh and 0 done)

PrunedKeptTotal
New96197
Fresh167
Picked101
Done000
Total987105

Merged error: 6.2b

Counts
105 → 7

localize14.0ms

Local error

Found 4 expressions with local error:

1.7b
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
3.2b
(/ (/ (+ (* 4.0 (* a c)) 0) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)) (* 2.0 a))
11.6b
(/ (+ (* 4.0 (* a c)) 0) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))
21.1b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite55.0ms

Algorithm
rewrite-expression-head
Rules
81×add-sqr-sqrt
78×times-frac
58×*-un-lft-identity
36×add-cube-cbrt
27×associate-/l*
22×difference-of-squares
18×add-exp-log add-cbrt-cube
14×sqrt-prod
11×distribute-lft-out--
cbrt-undiv div-exp associate-/r*
associate-/r/ add-log-exp
pow1 flip3-- flip--
div-inv
associate-/l/
frac-2neg sqrt-div prod-exp clear-num cbrt-unprod
sub-neg rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 diff-log flip-+
Counts
4 → 141
Calls
4 calls:
8.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
19.0ms
(/ (/ (+ (* 4.0 (* a c)) 0) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)) (* 2.0 a))
17.0ms
(/ (+ (* 4.0 (* a c)) 0) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series152.0ms

Counts
4 → 12
Calls
4 calls:
17.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
52.0ms
(/ (/ (+ (* 4.0 (* a c)) 0) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)) (* 2.0 a))
64.0ms
(/ (+ (* 4.0 (* a c)) 0) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))
20.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify642.0ms

Counts
153 → 153
Iterations

Useful iterations: done (636.0ms)

IterNodesCost
02484590
16274116
227003795
done50003784

prune306.0ms

Filtered
113 candidates to 153 candidates (-35.4%)
Pruning

9 alts after pruning (8 fresh and 1 done)

PrunedKeptTotal
New1494153
Fresh246
Picked011
Done000
Total1519160

Merged error: 6.1b

Counts
160 → 9

localize14.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ (sqrt (- (* b b) (* 4.0 (* a c)))) (* 2.0 a))
1.0b
(- (* b b) (* 4.0 (* a c)))
5.7b
(- (/ (neg b) (* 2.0 a)) (/ (sqrt (- (* b b) (* 4.0 (* a c)))) (* 2.0 a)))
21.1b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
15×*-un-lft-identity
12×add-sqr-sqrt
10×times-frac
add-exp-log add-cube-cbrt sqrt-prod add-cbrt-cube
add-log-exp
associate-/l*
pow1
flip3-- sqrt-div flip--
div-inv distribute-lft-out--
cbrt-undiv sub-neg diff-log div-exp associate-/l/
associate--l- neg-sub0 rem-sqrt-square distribute-rgt-out-- distribute-rgt-neg-in frac-2neg sqrt-pow1 pow1/2 div-sub prod-exp clear-num associate-/r* frac-sub cbrt-unprod sub-div difference-of-squares
Counts
4 → 76
Calls
4 calls:
8.0ms
(/ (sqrt (- (* b b) (* 4.0 (* a c)))) (* 2.0 a))
4.0ms
(- (* b b) (* 4.0 (* a c)))
17.0ms
(- (/ (neg b) (* 2.0 a)) (/ (sqrt (- (* b b) (* 4.0 (* a c)))) (* 2.0 a)))
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series89.0ms

Counts
4 → 12
Calls
4 calls:
36.0ms
(/ (sqrt (- (* b b) (* 4.0 (* a c)))) (* 2.0 a))
10.0ms
(- (* b b) (* 4.0 (* a c)))
25.0ms
(- (/ (neg b) (* 2.0 a)) (/ (sqrt (- (* b b) (* 4.0 (* a c)))) (* 2.0 a)))
18.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify427.0ms

Counts
88 → 88
Iterations

Useful iterations: done (424.0ms)

IterNodesCost
01641804
14181673
213921526
done50001521

prune137.0ms

Filtered
67 candidates to 88 candidates (-31.3%)
Pruning

9 alts after pruning (7 fresh and 2 done)

PrunedKeptTotal
New88088
Fresh077
Picked011
Done011
Total88997

Merged error: 6.1b

Counts
97 → 9

regimes316.0ms

Accuracy

87.1% (3.5b remaining)

Error of 9.3b against oracle of 5.8b and baseline of 32.7b

bsearch114.0ms

Steps
ItersRangePoint
10
1.1487243557305423e+102
3.920821933018458e+112
8.235765262469676e+111
7
-5.1440606176194e-107
-1.3691623995958124e-108
-1.6677459094321907e-108
9
-5050.104235080154
-0.0001616040529746431
-660.2639796459094

simplify5.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
03467
14265
24465
done4465

end0.0ms

sample1.8s

Algorithm
intervals
Results
356.0ms5949×body80valid
348.0ms1061×body2560valid
240.0ms858×body1280valid
171.0ms2992×body80nan
97.0ms454×body640valid
46.0ms116×body5120valid
38.0ms236×body320valid
15.0ms111×body160valid

Profiling

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