Details

Time bar (total: 9.7s)

sample73.0ms

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

simplify23.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (7.0ms)

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)))

rewrite37.0ms

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:
15.0ms
(/ (- (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)))

series67.0ms

Counts
4 → 12
Calls
4 calls:
22.0ms
(/ (- (sqrt (- (* b_2 b_2) (* a c))) b_2) a)
7.0ms
(- (* b_2 b_2) (* a c))
15.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
23.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.4s

Counts
96 → 96
Iterations

Useful iterations: done (1.4s)

IterNodesCost
01471616
13421521
29131427
325341421
done50011420

prune164.0ms

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)))

rewrite41.0ms

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:
14.0ms
(/ 1 (/ a (- (sqrt (- (* b_2 b_2) (* a c))) b_2)))
6.0ms
(- (* b_2 b_2) (* a c))
8.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series69.0ms

Counts
4 → 12
Calls
4 calls:
34.0ms
(/ 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)
13.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify2.2s

Counts
174 → 174
Iterations

Useful iterations: 3 (1.1s)

IterNodesCost
02573976
15643486
213263213
336583131
done50003131

prune127.0ms

Filtered
82 candidates to 174 candidates (-112.2%)
Pruning

10 alts after pruning (9 fresh and 1 done)

PrunedKeptTotal
New1722174
Fresh4711
Picked011
Done000
Total17610186

Merged error: 5.6b

Counts
186 → 10

localize15.0ms

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))
15.0ms
(- (* (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)))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series49.0ms

Counts
4 → 12
Calls
4 calls:
8.0ms
(- (* 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)
13.0ms
(sqrt (- (* b_2 b_2) (* a c)))
13.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.1s

Counts
67 → 67
Iterations

Useful iterations: 3 (292.0ms)

IterNodesCost
0891110
1207808
2622756
31816748
done5001748

prune103.0ms

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

10 alts after pruning (8 fresh and 2 done)

PrunedKeptTotal
New67067
Fresh088
Picked011
Done011
Total671077

Merged error: 5.6b

Counts
77 → 10

localize13.0ms

Local error

Found 4 expressions with local error:

1.5b
(- (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)))
21.5b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite25.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt
10×sqrt-prod
*-un-lft-identity
pow1 add-cube-cbrt
sqrt-div add-log-exp
add-exp-log flip3-- add-cbrt-cube flip--
rem-sqrt-square sqrt-pow1 pow1/2
difference-of-squares
sub-neg diff-log distribute-lft-out--
Counts
4 → 60
Calls
4 calls:
8.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))
7.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series55.0ms

Counts
4 → 12
Calls
4 calls:
14.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
13.0ms
(sqrt (- (* b_2 b_2) (* a c)))
13.0ms
(sqrt (- (* b_2 b_2) (* a c)))
15.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify2.2s

Counts
72 → 72
Iterations

Useful iterations: 4 (1.3s)

IterNodesCost
0771011
1177880
2513842
31337832
43669826
done5001826

prune85.0ms

Filtered
58 candidates to 72 candidates (-24.1%)
Pruning

11 alts after pruning (8 fresh and 3 done)

PrunedKeptTotal
New71172
Fresh077
Picked011
Done022
Total711182

Merged error: 5.6b

Counts
82 → 11

regimes351.0ms

Accuracy

84% (4.6b remaining)

Error of 10.4b against oracle of 5.8b and baseline of 34.5b

bsearch52.0ms

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

sample1.5s

Algorithm
intervals
Results
274.0ms1069×body2560valid
265.0ms5829×body80valid
204.0ms907×body1280valid
137.0ms2967×body80nan
80.0ms486×body640valid
40.0ms130×body5120valid
25.0ms200×body320valid
8.0ms101×body160valid

Profiling

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