Details

Time bar (total: 11.3s)

sample37.0ms

Algorithm
intervals
Results
7.0ms37×body2560valid
7.0ms195×body80valid
4.0ms21×body1280valid
3.0ms81×body80nan
2.0ms19×body640valid
1.0msbody5120valid
0.0msbody320valid
0.0msbody160valid

simplify55.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (5.0ms)

IterNodesCost
01217
12217
24216
38216
410016
510816
done10816

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* 3.0 a) c)
0.4b
(- (* b b) (* (* 3.0 a) c))
1.1b
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
20.6b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite38.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt
22×*-un-lft-identity
20×add-cube-cbrt
19×prod-diff
16×sqrt-prod
10×pow1
add-exp-log add-cbrt-cube
add-log-exp
fma-neg
expm1-log1p-u log1p-expm1-u
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 → 94
Calls
4 calls:
6.0ms
(* (* 3.0 a) c)
3.0ms
(- (* b b) (* (* 3.0 a) c))
22.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
4.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series208.0ms

Counts
4 → 12
Calls
4 calls:
19.0ms
(* (* 3.0 a) c)
42.0ms
(- (* b b) (* (* 3.0 a) c))
77.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
70.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify1.3s

Counts
106 → 106
Iterations

Useful iterations: done (1.3s)

IterNodesCost
01611863
13621562
211931333
done50001246

prune258.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 11.4b

localize13.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt c)
0.6b
(cbrt c)
1.1b
(- (sqrt (- (* b b) (* (* (* 3.0 a) (* (cbrt c) (cbrt c))) (cbrt c)))) b)
20.6b
(sqrt (- (* b b) (* (* (* 3.0 a) (* (cbrt c) (cbrt c))) (cbrt c))))

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
26×add-sqr-sqrt
23×*-un-lft-identity
21×add-cube-cbrt
18×prod-diff
16×sqrt-prod
cbrt-prod fma-neg add-log-exp
pow1
add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u
flip3-- pow1/3 sqrt-div flip-- difference-of-squares
sub-neg rem-sqrt-square sqrt-pow1 pow1/2 diff-log distribute-lft-out--
Counts
4 → 84
Calls
4 calls:
0.0ms
(cbrt c)
0.0ms
(cbrt c)
22.0ms
(- (sqrt (- (* b b) (* (* (* 3.0 a) (* (cbrt c) (cbrt c))) (cbrt c)))) b)
4.0ms
(sqrt (- (* b b) (* (* (* 3.0 a) (* (cbrt c) (cbrt c))) (cbrt c))))

series532.0ms

Counts
4 → 12
Calls
4 calls:
176.0ms
(cbrt c)
177.0ms
(cbrt c)
94.0ms
(- (sqrt (- (* b b) (* (* (* 3.0 a) (* (cbrt c) (cbrt c))) (cbrt c)))) b)
85.0ms
(sqrt (- (* b b) (* (* (* 3.0 a) (* (cbrt c) (cbrt c))) (cbrt c))))

simplify2.3s

Counts
96 → 96
Iterations

Useful iterations: 3 (849.0ms)

IterNodesCost
01382172
13051828
28981090
342051003
done50001003

prune282.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 11.4b

localize18.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (cbrt c))
0.6b
(cbrt (cbrt c))
1.1b
(- (sqrt (- (* b b) (* (* (* 3.0 a) (* (cbrt c) (cbrt c))) (* (* (cbrt (cbrt c)) (cbrt (cbrt c))) (cbrt (cbrt c)))))) b)
20.6b
(sqrt (- (* b b) (* (* (* 3.0 a) (* (cbrt c) (cbrt c))) (* (* (cbrt (cbrt c)) (cbrt (cbrt c))) (cbrt (cbrt c))))))

rewrite31.0ms

Algorithm
rewrite-expression-head
Rules
28×add-sqr-sqrt
25×*-un-lft-identity
23×add-cube-cbrt
18×cbrt-prod prod-diff
16×sqrt-prod
fma-neg add-log-exp
pow1
add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u
flip3-- pow1/3 sqrt-div flip-- difference-of-squares
sub-neg rem-sqrt-square sqrt-pow1 pow1/2 diff-log distribute-lft-out--
Counts
4 → 90
Calls
4 calls:
1.0ms
(cbrt (cbrt c))
1.0ms
(cbrt (cbrt c))
22.0ms
(- (sqrt (- (* b b) (* (* (* 3.0 a) (* (cbrt c) (cbrt c))) (* (* (cbrt (cbrt c)) (cbrt (cbrt c))) (cbrt (cbrt c)))))) b)
5.0ms
(sqrt (- (* b b) (* (* (* 3.0 a) (* (cbrt c) (cbrt c))) (* (* (cbrt (cbrt c)) (cbrt (cbrt c))) (cbrt (cbrt c))))))

series692.0ms

Counts
4 → 12
Calls
4 calls:
246.0ms
(cbrt (cbrt c))
257.0ms
(cbrt (cbrt c))
100.0ms
(- (sqrt (- (* b b) (* (* (* 3.0 a) (* (cbrt c) (cbrt c))) (* (* (cbrt (cbrt c)) (cbrt (cbrt c))) (cbrt (cbrt c)))))) b)
89.0ms
(sqrt (- (* b b) (* (* (* 3.0 a) (* (cbrt c) (cbrt c))) (* (* (cbrt (cbrt c)) (cbrt (cbrt c))) (cbrt (cbrt c))))))

simplify1.2s

Counts
102 → 102
Iterations

Useful iterations: done (1.2s)

IterNodesCost
01483036
13232609
29801874
done50001091

prune311.0ms

Pruning

14 alts after pruning (12 fresh and 2 done)

Merged error: 11.4b

localize12.0ms

Local error

Found 4 expressions with local error:

1.1b
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
1.1b
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
20.6b
(sqrt (- (* b b) (* (* 3.0 a) c)))
20.6b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite61.0ms

Algorithm
rewrite-expression-head
Rules
44×add-sqr-sqrt
38×*-un-lft-identity
36×prod-diff
34×add-cube-cbrt
32×sqrt-prod
12×fma-neg
add-log-exp
pow1
add-exp-log expm1-log1p-u flip3-- sqrt-div add-cbrt-cube flip-- log1p-expm1-u difference-of-squares
sub-neg rem-sqrt-square sqrt-pow1 pow1/2 diff-log distribute-lft-out--
Counts
4 → 116
Calls
4 calls:
22.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
25.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
5.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))
5.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series304.0ms

Counts
4 → 12
Calls
4 calls:
77.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
81.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
72.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))
74.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify1.7s

Counts
128 → 128
Iterations

Useful iterations: 3 (641.0ms)

IterNodesCost
01132856
12622310
27561948
328771774
done50011774

prune347.0ms

Pruning

14 alts after pruning (11 fresh and 3 done)

Merged error: 11.4b

regimes384.0ms

Accuracy

84.9% (3.4b remaining)

Error of 15.5b against oracle of 12.2b and baseline of 34.4b

bsearch112.0ms

Steps
ItersRangePoint
10
3.056596725548563e-78
7.076105677608322e-63
3.127343185313157e-68
7
-1.9127319211193897e+86
-3.881068201361415e+84
-1.885822949172535e+86

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02962
13462
done3462

end0.0ms

sample1.1s

Algorithm
intervals
Results
241.0ms1097×body2560valid
219.0ms5881×body80valid
151.0ms853×body1280valid
108.0ms2944×body80nan
66.0ms470×body640valid
31.0ms108×body5120valid
22.0ms213×body320valid
7.0ms104×body160valid