Details

Time bar (total: 19.8s)

sample133.0ms

Algorithm
intervals
Results
85.0ms277×body80valid
20.0ms86×body80nan

simplify142.0ms

Counts
1 → 1
Iterations
IterNodes
8160
7160
6159
5152
4140
3108
263
136
020

prune19.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 21.5b

localize141.0ms

Local error

Found 4 expressions with local error:

0.9b
(- (sqrt (fma -4 (* c a) (* b b))) b)
1.2b
(- (- b) (sqrt (fma -4 (* c a) (* b b))))
23.5b
(sqrt (fma -4 (* c a) (* b b)))
23.5b
(sqrt (fma -4 (* c a) (* b b)))

rewrite49.0ms

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:
15.0ms
(- (sqrt (fma -4 (* c a) (* b b))) b)
21.0ms
(- (- b) (sqrt (fma -4 (* c a) (* b b))))
2.0ms
(sqrt (fma -4 (* c a) (* b b)))
5.0ms
(sqrt (fma -4 (* c a) (* b b)))

series487.0ms

Counts
4 → 12
Calls
4 calls:
119.0ms
(- (sqrt (fma -4 (* c a) (* b b))) b)
103.0ms
(- (- b) (sqrt (fma -4 (* c a) (* b b))))
118.0ms
(sqrt (fma -4 (* c a) (* b b)))
146.0ms
(sqrt (fma -4 (* c a) (* b b)))

simplify1.0s

Counts
177 → 177
Iterations
IterNodes
32261
2875
1415
0194

prune1.1s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 13.7b

localize168.0ms

Local error

Found 4 expressions with local error:

21.3b
(fma (sqrt (sqrt (fma -4 (* c a) (* b b)))) (sqrt (sqrt (fma -4 (* c a) (* b b)))) (- b))
23.5b
(sqrt (fma -4 (* c a) (* b b)))
23.5b
(sqrt (fma -4 (* c a) (* b b)))
23.5b
(sqrt (fma -4 (* c a) (* b b)))

rewrite8.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
sqrt-prod
pow1 *-un-lft-identity add-cube-cbrt
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2
fma-udef
Counts
4 → 59
Calls
4 calls:
0.0ms
(fma (sqrt (sqrt (fma -4 (* c a) (* b b)))) (sqrt (sqrt (fma -4 (* c a) (* b b)))) (- b))
2.0ms
(sqrt (fma -4 (* c a) (* b b)))
2.0ms
(sqrt (fma -4 (* c a) (* b b)))
3.0ms
(sqrt (fma -4 (* c a) (* b b)))

series728.0ms

Counts
4 → 12
Calls
4 calls:
406.0ms
(fma (sqrt (sqrt (fma -4 (* c a) (* b b)))) (sqrt (sqrt (fma -4 (* c a) (* b b)))) (- b))
109.0ms
(sqrt (fma -4 (* c a) (* b b)))
84.0ms
(sqrt (fma -4 (* c a) (* b b)))
130.0ms
(sqrt (fma -4 (* c a) (* b b)))

simplify1.1s

Counts
71 → 71
Iterations
IterNodes
42376
3684
2236
1111
065

prune652.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 13.7b

localize191.0ms

Local error

Found 4 expressions with local error:

23.5b
(sqrt (fma -4 (* c a) (* b b)))
24.2b
(cbrt (fma -4 (* c a) (* b b)))
24.2b
(cbrt (fma -4 (* c a) (* b b)))
24.2b
(cbrt (fma -4 (* c a) (* b b)))

rewrite8.0ms

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:
2.0ms
(sqrt (fma -4 (* c a) (* b b)))
2.0ms
(cbrt (fma -4 (* c a) (* b b)))
1.0ms
(cbrt (fma -4 (* c a) (* b b)))
2.0ms
(cbrt (fma -4 (* c a) (* b b)))

series914.0ms

Counts
4 → 12
Calls
4 calls:
102.0ms
(sqrt (fma -4 (* c a) (* b b)))
254.0ms
(cbrt (fma -4 (* c a) (* b b)))
254.0ms
(cbrt (fma -4 (* c a) (* b b)))
302.0ms
(cbrt (fma -4 (* c a) (* b b)))

simplify2.9s

Counts
70 → 70
Iterations
IterNodes
56385
41989
3676
2257
1121
068

prune837.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 13.7b

localize201.0ms

Local error

Found 4 expressions with local error:

24.2b
(cbrt (fma -4 (* c a) (* b b)))
24.2b
(cbrt (fma -4 (* c a) (* b b)))
24.2b
(cbrt (fma -4 (* c a) (* b b)))
24.2b
(cbrt (fma -4 (* c a) (* b b)))

rewrite3.0ms

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 -4 (* c a) (* b b)))
1.0ms
(cbrt (fma -4 (* c a) (* b b)))
1.0ms
(cbrt (fma -4 (* c a) (* b b)))
1.0ms
(cbrt (fma -4 (* c a) (* b b)))

series1.1s

Counts
4 → 12
Calls
4 calls:
268.0ms
(cbrt (fma -4 (* c a) (* b b)))
306.0ms
(cbrt (fma -4 (* c a) (* b b)))
267.0ms
(cbrt (fma -4 (* c a) (* b b)))
244.0ms
(cbrt (fma -4 (* c a) (* b b)))

simplify3.6s

Counts
68 → 68
Iterations
IterNodes
56589
41938
3624
2228
1102
053

prune896.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 13.7b

regimes385.0ms

Accuracy

88.6% (0.8b remaining)

Error of 13.1b against oracle of 12.3b and baseline of 19.0b

bsearch148.0ms

Steps
ItersRangePoint
8
2.231296991249122e+66
2.5939819947174796e+69
4.1813913858897907e+68

simplify7.0ms

Iterations
IterNodes
237
137
032

end0.0ms

sample2.8s

Algorithm
intervals
Results
1.9s8699×body80valid
571.0ms2954×body80nan