Details

Time bar (total: 20.6s)

sample101.0ms

Algorithm
intervals
Results
58.0ms283×body80valid
17.0ms79×body80nan

simplify276.0ms

Counts
1 → 1

prune25.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 17.4b

localize178.0ms

Local error

Found 4 expressions with local error:

20.7b
(sqrt (fma (* -4 a) c (* b b)))
20.7b
(sqrt (fma (* -4 a) c (* b b)))
1.7b
(- (- b) (sqrt (fma (* -4 a) c (* b b))))
1.3b
(- (sqrt (fma (* -4 a) c (* b b))) b)

rewrite39.0ms

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:
Slowest
18.0ms
(- (- b) (sqrt (fma (* -4 a) c (* b b))))
8.0ms
(- (sqrt (fma (* -4 a) c (* b b))) b)
6.0ms
(sqrt (fma (* -4 a) c (* b b)))
2.0ms
(sqrt (fma (* -4 a) c (* b b)))

series473.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
129.0ms
(- (- b) (sqrt (fma (* -4 a) c (* b b))))
124.0ms
(sqrt (fma (* -4 a) c (* b b)))
121.0ms
(- (sqrt (fma (* -4 a) c (* b b))) b)
98.0ms
(sqrt (fma (* -4 a) c (* b b)))

simplify1.0s

Counts
177 → 177

prune3.4s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 12.3b

localize180.0ms

Local error

Found 4 expressions with local error:

20.7b
(sqrt (fma (* -4 a) c (* b b)))
20.7b
(sqrt (fma (* -4 a) c (* b b)))
20.7b
(sqrt (fma (* -4 a) c (* b b)))
11.5b
(- (- b) (* (sqrt (sqrt (fma (* -4 a) c (* b b)))) (sqrt (sqrt (fma (* -4 a) c (* b b))))))

rewrite15.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt
13×*-un-lft-identity add-cube-cbrt
10×fma-neg prod-diff
sqrt-prod
add-log-exp
pow1
distribute-lft-neg-in distribute-rgt-neg-in
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u
rem-sqrt-square sqrt-pow1 pow1/2
neg-mul-1 diff-log
associate--l- neg-sub0 sub-neg flip3-- neg-log flip-- difference-of-squares
Counts
4 → 86
Calls
4 calls:
Slowest
10.0ms
(- (- b) (* (sqrt (sqrt (fma (* -4 a) c (* b b)))) (sqrt (sqrt (fma (* -4 a) c (* b b))))))
1.0ms
(sqrt (fma (* -4 a) c (* b b)))
1.0ms
(sqrt (fma (* -4 a) c (* b b)))
1.0ms
(sqrt (fma (* -4 a) c (* b b)))

series417.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
116.0ms
(sqrt (fma (* -4 a) c (* b b)))
105.0ms
(- (- b) (* (sqrt (sqrt (fma (* -4 a) c (* b b)))) (sqrt (sqrt (fma (* -4 a) c (* b b))))))
99.0ms
(sqrt (fma (* -4 a) c (* b b)))
96.0ms
(sqrt (fma (* -4 a) c (* b b)))

simplify1.9s

Counts
98 → 98

prune1.7s

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 12.3b

localize175.0ms

Local error

Found 4 expressions with local error:

21.4b
(cbrt (fma (* -4 a) c (* b b)))
21.4b
(cbrt (fma (* -4 a) c (* b b)))
21.4b
(cbrt (fma (* -4 a) c (* b b)))
20.7b
(sqrt (fma (* -4 a) c (* b b)))

rewrite7.0ms

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

series895.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
275.0ms
(cbrt (fma (* -4 a) c (* b b)))
261.0ms
(cbrt (fma (* -4 a) c (* b b)))
232.0ms
(cbrt (fma (* -4 a) c (* b b)))
127.0ms
(sqrt (fma (* -4 a) c (* b b)))

simplify889.0ms

Counts
70 → 70

prune1.3s

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 12.3b

localize230.0ms

Local error

Found 4 expressions with local error:

20.7b
(sqrt (fma (* -4 a) c (* b b)))
20.7b
(sqrt (fma (* -4 a) c (* b b)))
20.7b
(sqrt (fma (* -4 a) c (* b b)))
13.8b
(fma (sqrt (sqrt (fma (* -4 a) c (* b b)))) (sqrt (sqrt (fma (* -4 a) c (* b b)))) (- (* (cbrt b) (* (cbrt b) (cbrt b)))))

rewrite4.0ms

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:
Slowest
1.0ms
(sqrt (fma (* -4 a) c (* b b)))
1.0ms
(sqrt (fma (* -4 a) c (* b b)))
1.0ms
(sqrt (fma (* -4 a) c (* b b)))
0.0ms
(fma (sqrt (sqrt (fma (* -4 a) c (* b b)))) (sqrt (sqrt (fma (* -4 a) c (* b b)))) (- (* (cbrt b) (* (cbrt b) (cbrt b)))))

series698.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
386.0ms
(fma (sqrt (sqrt (fma (* -4 a) c (* b b)))) (sqrt (sqrt (fma (* -4 a) c (* b b)))) (- (* (cbrt b) (* (cbrt b) (cbrt b)))))
119.0ms
(sqrt (fma (* -4 a) c (* b b)))
104.0ms
(sqrt (fma (* -4 a) c (* b b)))
88.0ms
(sqrt (fma (* -4 a) c (* b b)))

simplify1.1s

Counts
71 → 71

prune1.5s

Pruning

12 alts after pruning (9 fresh and 3 done)

Merged error: 12.0b

regimes410.0ms

Accuracy

88.1% (0.8b remaining)

Error of 12.8b against oracle of 12.0b and baseline of 19.1b

bsearch140.0ms

end0.0ms

sample3.5s

Algorithm
intervals
Results
2.0s8780×body80valid
577.0ms2903×body80nan