Details

Time bar (total: 21.1s)

sample127.0ms

Algorithm
intervals
Results
66.0ms277×body80valid
17.0ms80×body80nan

simplify334.0ms

Counts
1 → 1

prune18.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 18.9b

localize146.0ms

Local error

Found 4 expressions with local error:

20.9b
(sqrt (fma (* -4 a) c (* b b)))
20.9b
(sqrt (fma (* -4 a) c (* b b)))
0.9b
(- (sqrt (fma (* -4 a) c (* b b))) b)
0.3b
(- (- b) (sqrt (fma (* -4 a) c (* b b))))

rewrite51.0ms

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
21.0ms
(- (- b) (sqrt (fma (* -4 a) c (* b b))))
16.0ms
(- (sqrt (fma (* -4 a) c (* b b))) b)
5.0ms
(sqrt (fma (* -4 a) c (* b b)))
3.0ms
(sqrt (fma (* -4 a) c (* b b)))

series525.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
158.0ms
(sqrt (fma (* -4 a) c (* b b)))
128.0ms
(- (sqrt (fma (* -4 a) c (* b b))) b)
120.0ms
(- (- b) (sqrt (fma (* -4 a) c (* b b))))
119.0ms
(sqrt (fma (* -4 a) c (* b b)))

simplify1.1s

Counts
177 → 177

prune2.8s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 12.4b

localize153.0ms

Local error

Found 4 expressions with local error:

20.9b
(sqrt (fma (* -4 a) c (* b b)))
20.9b
(sqrt (fma (* -4 a) c (* b b)))
20.9b
(sqrt (fma (* -4 a) c (* b b)))
0.9b
(- (sqrt (fma (* -4 a) c (* b b))) b)

rewrite14.0ms

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

series452.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
140.0ms
(- (sqrt (fma (* -4 a) c (* b b))) b)
121.0ms
(sqrt (fma (* -4 a) c (* b b)))
108.0ms
(sqrt (fma (* -4 a) c (* b b)))
82.0ms
(sqrt (fma (* -4 a) c (* b b)))

simplify3.0s

Counts
102 → 102

prune1.8s

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 12.4b

localize161.0ms

Local error

Found 4 expressions with local error:

21.6b
(cbrt (fma (* -4 a) c (* b b)))
21.6b
(cbrt (fma (* -4 a) c (* b b)))
21.6b
(cbrt (fma (* -4 a) c (* b b)))
20.9b
(sqrt (fma (* -4 a) c (* 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:
Slowest
2.0ms
(sqrt (fma (* -4 a) c (* b b)))
2.0ms
(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)))

series811.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
247.0ms
(cbrt (fma (* -4 a) c (* b b)))
237.0ms
(cbrt (fma (* -4 a) c (* b b)))
230.0ms
(cbrt (fma (* -4 a) c (* b b)))
96.0ms
(sqrt (fma (* -4 a) c (* b b)))

simplify967.0ms

Counts
70 → 70

prune1.5s

Pruning

12 alts after pruning (10 fresh and 2 done)

Merged error: 12.4b

localize162.0ms

Local error

Found 4 expressions with local error:

21.6b
(cbrt (fma (* -4 a) c (* b b)))
21.6b
(cbrt (fma (* -4 a) c (* b b)))
21.6b
(cbrt (fma (* -4 a) c (* b b)))
20.9b
(sqrt (fma (* -4 a) c (* b b)))

rewrite4.0ms

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
1.0ms
(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)))

series929.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
280.0ms
(cbrt (fma (* -4 a) c (* b b)))
269.0ms
(cbrt (fma (* -4 a) c (* b b)))
263.0ms
(cbrt (fma (* -4 a) c (* b b)))
117.0ms
(sqrt (fma (* -4 a) c (* b b)))

simplify1.1s

Counts
70 → 70

prune1.4s

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 12.4b

regimes447.0ms

Accuracy

91.6% (0.6b remaining)

Error of 12.6b against oracle of 12.1b and baseline of 19.0b

bsearch173.0ms

end0.0ms

sample2.8s

Algorithm
intervals
Results
2.0s8696×body80valid
476.0ms2806×body80nan