Details

Time bar (total: 21.0s)

sample73.0ms

Algorithm
intervals
Results
39.0ms285×body80valid
10.0ms85×body80nan

simplify208.0ms

Counts
1 → 1
Iterations
IterNodes
done170
7170
6168
5164
4157
3132
276
139
020

prune21.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 18.9b

localize138.0ms

Local error

Found 4 expressions with local error:

0.8b
(- (- b) (sqrt (fma c (* a -4) (* b b))))
1.6b
(- (sqrt (fma c (* a -4) (* b b))) b)
22.0b
(sqrt (fma c (* a -4) (* b b)))
22.0b
(sqrt (fma c (* a -4) (* b b)))

rewrite56.0ms

Algorithm
rewrite-expression-head
Rules
78×prod-diff
71×add-sqr-sqrt
67×*-un-lft-identity
61×add-cube-cbrt
50×sqrt-prod
22×distribute-rgt-neg-in
21×distribute-lft-neg-in
16×fma-neg
10×add-log-exp
neg-mul-1
pow1
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u difference-of-squares
diff-log distribute-lft-out--
rem-sqrt-square sub-neg sqrt-pow1 flip3-- pow1/2 flip--
associate--l- neg-sub0 neg-log
Counts
4 → 165
Calls
4 calls:
20.0ms
(- (- b) (sqrt (fma c (* a -4) (* b b))))
12.0ms
(- (sqrt (fma c (* a -4) (* b b))) b)
3.0ms
(sqrt (fma c (* a -4) (* b b)))
16.0ms
(sqrt (fma c (* a -4) (* b b)))

series457.0ms

Counts
4 → 12
Calls
4 calls:
104.0ms
(- (- b) (sqrt (fma c (* a -4) (* b b))))
117.0ms
(- (sqrt (fma c (* a -4) (* b b))) b)
118.0ms
(sqrt (fma c (* a -4) (* b b)))
119.0ms
(sqrt (fma c (* a -4) (* b b)))

simplify2.4s

Counts
177 → 177
Iterations
IterNodes
done5000
33147
2965
1427
0194

prune1.2s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 13.1b

localize152.0ms

Local error

Found 4 expressions with local error:

1.6b
(- (sqrt (fma c (* a -4) (* b b))) b)
22.0b
(sqrt (fma c (* a -4) (* b b)))
22.0b
(sqrt (fma c (* a -4) (* b b)))
22.0b
(sqrt (fma c (* a -4) (* b b)))

rewrite35.0ms

Algorithm
rewrite-expression-head
Rules
28×add-sqr-sqrt
23×*-un-lft-identity
22×sqrt-prod
21×add-cube-cbrt
18×prod-diff
pow1
fma-neg add-log-exp
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u
rem-sqrt-square sqrt-pow1 pow1/2
difference-of-squares
sub-neg flip3-- diff-log flip-- distribute-lft-out--
Counts
4 → 90
Calls
4 calls:
22.0ms
(- (sqrt (fma c (* a -4) (* b b))) b)
3.0ms
(sqrt (fma c (* a -4) (* b b)))
3.0ms
(sqrt (fma c (* a -4) (* b b)))
4.0ms
(sqrt (fma c (* a -4) (* b b)))

series424.0ms

Counts
4 → 12
Calls
4 calls:
123.0ms
(- (sqrt (fma c (* a -4) (* b b))) b)
91.0ms
(sqrt (fma c (* a -4) (* b b)))
112.0ms
(sqrt (fma c (* a -4) (* b b)))
98.0ms
(sqrt (fma c (* a -4) (* b b)))

simplify3.5s

Counts
102 → 102
Iterations
IterNodes
done5001
42425
3908
2311
1168
085

prune991.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 13.1b

localize256.0ms

Local error

Found 4 expressions with local error:

22.0b
(sqrt (fma c (* a -4) (* b b)))
22.7b
(cbrt (fma c (* a -4) (* b b)))
22.7b
(cbrt (fma c (* a -4) (* b b)))
22.7b
(cbrt (fma c (* a -4) (* b b)))

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
pow1
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u add-log-exp
pow1/3 sqrt-prod
rem-sqrt-square sqrt-pow1 pow1/2
Counts
4 → 58
Calls
4 calls:
3.0ms
(sqrt (fma c (* a -4) (* b b)))
2.0ms
(cbrt (fma c (* a -4) (* b b)))
2.0ms
(cbrt (fma c (* a -4) (* b b)))
2.0ms
(cbrt (fma c (* a -4) (* b b)))

series912.0ms

Counts
4 → 12
Calls
4 calls:
115.0ms
(sqrt (fma c (* a -4) (* b b)))
248.0ms
(cbrt (fma c (* a -4) (* b b)))
252.0ms
(cbrt (fma c (* a -4) (* b b)))
296.0ms
(cbrt (fma c (* a -4) (* b b)))

simplify2.0s

Counts
70 → 70
Iterations
IterNodes
done5019
43363
3861
2279
1124
068

prune893.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 13.1b

localize210.0ms

Local error

Found 4 expressions with local error:

22.7b
(cbrt (fma c (* a -4) (* b b)))
22.7b
(cbrt (fma c (* a -4) (* b b)))
22.7b
(cbrt (fma c (* a -4) (* b b)))
22.7b
(cbrt (fma c (* a -4) (* b b)))

rewrite6.0ms

Algorithm
rewrite-expression-head
Rules
12×cbrt-prod
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u pow1 add-cbrt-cube pow1/3 add-exp-log insert-posit16 log1p-expm1-u add-log-exp
Counts
4 → 56
Calls
4 calls:
1.0ms
(cbrt (fma c (* a -4) (* b b)))
1.0ms
(cbrt (fma c (* a -4) (* b b)))
2.0ms
(cbrt (fma c (* a -4) (* b b)))
2.0ms
(cbrt (fma c (* a -4) (* b b)))

series1.1s

Counts
4 → 12
Calls
4 calls:
281.0ms
(cbrt (fma c (* a -4) (* b b)))
290.0ms
(cbrt (fma c (* a -4) (* b b)))
272.0ms
(cbrt (fma c (* a -4) (* b b)))
253.0ms
(cbrt (fma c (* a -4) (* b b)))

simplify2.2s

Counts
68 → 68
Iterations
IterNodes
done5014
42944
3789
2254
1105
053

prune900.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 13.1b

regimes388.0ms

Accuracy

83.6% (1.2b remaining)

Error of 13.8b against oracle of 12.6b and baseline of 19.7b

bsearch203.0ms

Steps
ItersRangePoint
10
24130438545.104744
1.5803814198611752e+21
1.5596668453223772e+21

simplify24.0ms

Iterations
IterNodes
done50
150
042

end0.0ms

sample2.2s

Algorithm
intervals
Results
1.6s8738×body80valid
381.0ms2975×body80nan