Details

Time bar (total: 5.5s)

sample61.0ms

Algorithm
intervals
Results
11.0ms176×body80valid
9.0ms33×body2560valid
6.0ms29×body1280valid
4.0ms76×body80nan
3.0ms16×body640valid
3.0msbody5120valid
1.0msbody320valid
0.0msbody160valid

simplify32.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (8.0ms)

IterNodesCost
01013
11413
22212
32512
42712
52912
done2912

prune11.0ms

Filtered
1 candidates to 1 candidates (0.0%)
Pruning

1 alts after pruning (1 fresh and 0 done)

PrunedKeptTotal
New011
Fresh101
Picked000
Done000
Total112

Merged error: 35.2b

Counts
2 → 1

localize10.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (sqrt (- (* b_2 b_2) (* a c))) b_2) a)
1.0b
(- (* b_2 b_2) (* a c))
1.5b
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
21.5b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
37×add-sqr-sqrt
26×*-un-lft-identity
18×times-frac
16×add-cube-cbrt
10×difference-of-squares
sqrt-prod add-log-exp
add-exp-log add-cbrt-cube associate-/l*
pow1 distribute-lft-out--
flip3-- flip--
associate-/r*
sub-neg sqrt-div diff-log associate-/l/
cbrt-undiv rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub div-exp clear-num div-inv
Counts
4 → 84
Calls
4 calls:
10.0ms
(/ (- (sqrt (- (* b_2 b_2) (* a c))) b_2) a)
4.0ms
(- (* b_2 b_2) (* a c))
8.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
6.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series77.0ms

Counts
4 → 12
Calls
4 calls:
24.0ms
(/ (- (sqrt (- (* b_2 b_2) (* a c))) b_2) a)
9.0ms
(- (* b_2 b_2) (* a c))
21.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
24.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify686.0ms

Counts
96 → 96
Iterations

Useful iterations: done (683.0ms)

IterNodesCost
01471616
13441521
29651427
325921417
done50011416

prune173.0ms

Filtered
70 candidates to 96 candidates (-37.1%)
Pruning

12 alts after pruning (12 fresh and 0 done)

PrunedKeptTotal
New841296
Fresh000
Picked101
Done000
Total851297

Merged error: 5.7b

Counts
97 → 12

localize10.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ a (- (sqrt (- (* b_2 b_2) (* a c))) b_2)))
1.0b
(- (* b_2 b_2) (* a c))
1.5b
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
21.5b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite44.0ms

Algorithm
rewrite-expression-head
Rules
144×times-frac
123×add-sqr-sqrt
96×*-un-lft-identity
70×add-cube-cbrt
26×difference-of-squares
24×associate-/r*
16×sqrt-prod
15×add-exp-log
13×distribute-lft-out--
associate-/r/ add-cbrt-cube
add-log-exp
flip3-- div-exp flip--
pow1
div-inv
cbrt-undiv associate-/l*
sub-neg rec-exp sqrt-div diff-log 1-exp
rem-sqrt-square pow-flip frac-2neg sqrt-pow1 pow1/2 clear-num inv-pow
Counts
4 → 162
Calls
4 calls:
15.0ms
(/ 1 (/ a (- (sqrt (- (* b_2 b_2) (* a c))) b_2)))
4.0ms
(- (* b_2 b_2) (* a c))
8.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
8.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series74.0ms

Counts
4 → 12
Calls
4 calls:
37.0ms
(/ 1 (/ a (- (sqrt (- (* b_2 b_2) (* a c))) b_2)))
8.0ms
(- (* b_2 b_2) (* a c))
14.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
14.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify448.0ms

Counts
174 → 174
Iterations

Useful iterations: done (443.0ms)

IterNodesCost
02573976
15753560
218733213
done50013193

prune136.0ms

Filtered
83 candidates to 174 candidates (-109.6%)
Pruning

10 alts after pruning (9 fresh and 1 done)

PrunedKeptTotal
New1722174
Fresh4711
Picked011
Done000
Total17610186

Merged error: 5.6b

Counts
186 → 10

localize12.0ms

Local error

Found 4 expressions with local error:

1.0b
(- (* b_2 b_2) (* a c))
14.9b
(- (* (sqrt (sqrt (- (* b_2 b_2) (* a c)))) (sqrt (sqrt (- (* b_2 b_2) (* a c))))) b_2)
21.5b
(sqrt (- (* b_2 b_2) (* a c)))
21.5b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
add-log-exp
pow1 add-cube-cbrt *-un-lft-identity sqrt-prod
add-exp-log flip3-- sqrt-div add-cbrt-cube flip--
sub-neg rem-sqrt-square sqrt-pow1 pow1/2 diff-log
difference-of-squares
Counts
4 → 55
Calls
4 calls:
4.0ms
(- (* b_2 b_2) (* a c))
16.0ms
(- (* (sqrt (sqrt (- (* b_2 b_2) (* a c)))) (sqrt (sqrt (- (* b_2 b_2) (* a c))))) b_2)
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))
5.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series54.0ms

Counts
4 → 12
Calls
4 calls:
10.0ms
(- (* b_2 b_2) (* a c))
15.0ms
(- (* (sqrt (sqrt (- (* b_2 b_2) (* a c)))) (sqrt (sqrt (- (* b_2 b_2) (* a c))))) b_2)
15.0ms
(sqrt (- (* b_2 b_2) (* a c)))
14.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify596.0ms

Counts
67 → 67
Iterations

Useful iterations: done (594.0ms)

IterNodesCost
0891110
1209808
2633756
31760748
done5000746

prune107.0ms

Filtered
54 candidates to 67 candidates (-24.1%)
Pruning

10 alts after pruning (8 fresh and 2 done)

PrunedKeptTotal
New66167
Fresh178
Picked011
Done011
Total671077

Merged error: 5.6b

Counts
77 → 10

localize15.0ms

Local error

Found 4 expressions with local error:

1.0b
(- (* b_2 b_2) (* a c))
3.5b
(/ (/ (- (* b_2 (- b_2 b_2)) (* a c)) (+ (sqrt (- (* b_2 b_2) (* a c))) b_2)) a)
10.0b
(/ (- (* b_2 (- b_2 b_2)) (* a c)) (+ (sqrt (- (* b_2 b_2) (* a c))) b_2))
21.5b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite49.0ms

Algorithm
rewrite-expression-head
Rules
114×times-frac
97×*-un-lft-identity
66×add-sqr-sqrt
65×add-cube-cbrt
21×associate-/l*
16×distribute-lft-out
11×add-exp-log add-cbrt-cube
10×associate-/r/
associate-/r*
div-inv add-log-exp
pow1 flip3-+ flip-+
cbrt-undiv div-exp
flip3-- div-sub sqrt-prod flip-- associate-/l/
frac-2neg sqrt-div clear-num
sub-neg rem-sqrt-square sqrt-pow1 pow1/2 diff-log
Counts
4 → 154
Calls
4 calls:
4.0ms
(- (* b_2 b_2) (* a c))
17.0ms
(/ (/ (- (* b_2 (- b_2 b_2)) (* a c)) (+ (sqrt (- (* b_2 b_2) (* a c))) b_2)) a)
16.0ms
(/ (- (* b_2 (- b_2 b_2)) (* a c)) (+ (sqrt (- (* b_2 b_2) (* a c))) b_2))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series99.0ms

Counts
4 → 12
Calls
4 calls:
8.0ms
(- (* b_2 b_2) (* a c))
33.0ms
(/ (/ (- (* b_2 (- b_2 b_2)) (* a c)) (+ (sqrt (- (* b_2 b_2) (* a c))) b_2)) a)
45.0ms
(/ (- (* b_2 (- b_2 b_2)) (* a c)) (+ (sqrt (- (* b_2 b_2) (* a c))) b_2))
14.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify570.0ms

Counts
166 → 166
Iterations

Useful iterations: 2 (214.0ms)

IterNodesCost
02735200
17114581
225203991
done50013991

prune192.0ms

Filtered
127 candidates to 166 candidates (-30.7%)
Pruning

10 alts after pruning (7 fresh and 3 done)

PrunedKeptTotal
New1651166
Fresh167
Picked011
Done022
Total16610176

Merged error: 5.6b

Counts
176 → 10

regimes364.0ms

Accuracy

82.5% (4.7b remaining)

Error of 10.4b against oracle of 5.7b and baseline of 32.4b

bsearch53.0ms

Steps
ItersRangePoint
7
2.951159271200378e-80
1.7529870675191086e-78
9.827618726336024e-79
8
-8.704679048448932e+71
-1.0976727662850034e+68
-1.013848001599699e+70

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02638
13238
done3238

end0.0ms

sample1.6s

Algorithm
intervals
Results
295.0ms1069×body2560valid
281.0ms5829×body80valid
210.0ms907×body1280valid
137.0ms2967×body80nan
87.0ms486×body640valid
45.0ms130×body5120valid
26.0ms200×body320valid
9.0ms101×body160valid

Profiling

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