Details

Time bar (total: 8.7s)

sample63.0ms

Algorithm
intervals
Results
11.0ms33×body2560valid
10.0ms176×body80valid
8.0ms29×body1280valid
4.0ms76×body80nan
3.0ms16×body640valid
3.0msbody5120valid
1.0msbody320valid
1.0msbody160valid

simplify41.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (5.0ms)

IterNodesCost
01217
12117
24116
37616
49016
59816
done9816

prune8.0ms

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: 35.3b

Counts
2 → 1

localize13.0ms

Local error

Found 4 expressions with local error:

0.4b
(/ (- (sqrt (- (* b b) (* (* 3.0 a) c))) b) (* 3.0 a))
1.0b
(- (* b b) (* (* 3.0 a) c))
1.5b
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
21.5b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
13×*-un-lft-identity
add-exp-log add-cbrt-cube
add-log-exp
add-cube-cbrt
times-frac sqrt-prod associate-/l* difference-of-squares
pow1
flip3-- flip--
distribute-lft-out--
cbrt-undiv sub-neg sqrt-div diff-log div-exp associate-/l/
rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 72
Calls
4 calls:
11.0ms
(/ (- (sqrt (- (* b b) (* (* 3.0 a) c))) b) (* 3.0 a))
4.0ms
(- (* b b) (* (* 3.0 a) c))
8.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
5.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series73.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(/ (- (sqrt (- (* b b) (* (* 3.0 a) c))) b) (* 3.0 a))
9.0ms
(- (* b b) (* (* 3.0 a) c))
16.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
16.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify1.3s

Counts
84 → 84
Iterations

Useful iterations: 3 (465.0ms)

IterNodesCost
01511588
13771496
213101341
348841327
done50001327

prune212.0ms

Filtered
63 candidates to 84 candidates (-33.3%)
Pruning

12 alts after pruning (12 fresh and 0 done)

PrunedKeptTotal
New721284
Fresh000
Picked101
Done000
Total731285

Merged error: 5.7b

Counts
85 → 12

localize11.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* 3.0 a) c)
1.0b
(- (* b b) (* (* 3.0 a) c))
1.5b
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
21.5b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt
10×pow1
add-exp-log add-cbrt-cube
*-un-lft-identity add-log-exp
add-cube-cbrt
sqrt-prod
flip3-- associate-*r* pow-prod-down prod-exp flip-- cbrt-unprod
sub-neg sqrt-div diff-log difference-of-squares
rem-sqrt-square sqrt-pow1 pow1/2 associate-*l* *-commutative distribute-lft-out--
Counts
4 → 60
Calls
4 calls:
6.0ms
(* (* 3.0 a) c)
4.0ms
(- (* b b) (* (* 3.0 a) c))
8.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
4.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series48.0ms

Counts
4 → 12
Calls
4 calls:
4.0ms
(* (* 3.0 a) c)
12.0ms
(- (* b b) (* (* 3.0 a) c))
17.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
15.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify1.6s

Counts
72 → 72
Iterations

Useful iterations: 3 (476.0ms)

IterNodesCost
01201002
1277915
21065837
34271825
done5000825

prune144.0ms

Filtered
51 candidates to 72 candidates (-41.2%)
Pruning

13 alts after pruning (12 fresh and 1 done)

PrunedKeptTotal
New71172
Fresh01111
Picked011
Done000
Total711384

Merged error: 5.7b

Counts
84 → 13

localize13.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (/ 1 3.0) (/ (- (sqrt (- (* b b) (* (* 3.0 a) c))) b) a))
1.0b
(- (* b b) (* (* 3.0 a) c))
1.5b
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
21.5b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite41.0ms

Algorithm
rewrite-expression-head
Rules
56×add-sqr-sqrt
34×times-frac
32×*-un-lft-identity
26×add-exp-log
22×add-cube-cbrt associate-*r*
16×add-cbrt-cube
13×associate-*l*
div-exp prod-exp add-log-exp difference-of-squares
pow1 sqrt-prod
unswap-sqr
cbrt-undiv cbrt-unprod distribute-lft-out--
flip3-- flip--
sub-neg rec-exp sqrt-div diff-log 1-exp div-inv
frac-times rem-sqrt-square sqrt-pow1 pow1/2 associate-*r/ pow-prod-down associate-*l/ *-commutative
Counts
4 → 107
Calls
4 calls:
21.0ms
(* (/ 1 3.0) (/ (- (sqrt (- (* b b) (* (* 3.0 a) c))) b) a))
4.0ms
(- (* b b) (* (* 3.0 a) c))
8.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
4.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series73.0ms

Counts
4 → 12
Calls
4 calls:
31.0ms
(* (/ 1 3.0) (/ (- (sqrt (- (* b b) (* (* 3.0 a) c))) b) a))
10.0ms
(- (* b b) (* (* 3.0 a) c))
16.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
16.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify704.0ms

Counts
119 → 119
Iterations

Useful iterations: done (700.0ms)

IterNodesCost
02172444
15962274
222411986
done50001962

prune214.0ms

Filtered
80 candidates to 119 candidates (-48.8%)
Pruning

12 alts after pruning (11 fresh and 1 done)

PrunedKeptTotal
New1181119
Fresh11011
Picked101
Done011
Total12012132

Merged error: 5.7b

Counts
132 → 12

localize11.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* 3.0 a) c)
1.0b
(- (* b b) (* (* 3.0 a) c))
1.5b
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
21.5b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt
10×pow1
add-exp-log add-cbrt-cube
*-un-lft-identity add-log-exp
add-cube-cbrt
sqrt-prod
flip3-- associate-*r* pow-prod-down prod-exp flip-- cbrt-unprod
sub-neg sqrt-div diff-log difference-of-squares
rem-sqrt-square sqrt-pow1 pow1/2 associate-*l* *-commutative distribute-lft-out--
Counts
4 → 60
Calls
4 calls:
6.0ms
(* (* 3.0 a) c)
4.0ms
(- (* b b) (* (* 3.0 a) c))
8.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
4.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series45.0ms

Counts
4 → 12
Calls
4 calls:
4.0ms
(* (* 3.0 a) c)
10.0ms
(- (* b b) (* (* 3.0 a) c))
16.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
16.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify1.4s

Counts
72 → 72
Iterations

Useful iterations: 3 (480.0ms)

IterNodesCost
01201002
1277915
21065837
34271825
done5000825

prune95.0ms

Filtered
51 candidates to 72 candidates (-41.2%)
Pruning

13 alts after pruning (11 fresh and 2 done)

PrunedKeptTotal
New71172
Fresh01010
Picked011
Done011
Total711384

Merged error: 5.7b

Counts
84 → 13

regimes604.0ms

Accuracy

84.4% (4.5b remaining)

Error of 10.4b against oracle of 5.9b and baseline of 34.6b

bsearch61.0ms

Steps
ItersRangePoint
7
2.951159271200378e-80
1.7529870675191086e-78
4.6400941224451665e-79
9
-1.5966504054646543e+104
-1.4637683111029664e+99
-1.5731675121056404e+104

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02740
13240
done3240

end0.0ms

sample1.8s

Algorithm
intervals
Results
353.0ms1070×body2560valid
344.0ms5828×body80valid
245.0ms906×body1280valid
167.0ms2970×body80nan
104.0ms484×body640valid
50.0ms129×body5120valid
34.0ms200×body320valid
11.0ms102×body160valid

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