Details

Time bar (total: 20.0s)

sample103.0ms

Algorithm
intervals
Results
64.0ms273×body80valid
13.0ms82×body80nan

simplify151.0ms

Counts
1 → 1
Iterations
IterNodes
done182
6182
5180
4167
3126
267
136
020

prune13.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 17.7b

localize149.0ms

Local error

Found 4 expressions with local error:

0.9b
(- (sqrt (fma a (* -4 c) (* b b))) b)
1.0b
(- (- b) (sqrt (fma a (* -4 c) (* b b))))
22.2b
(sqrt (fma a (* -4 c) (* b b)))
22.2b
(sqrt (fma a (* -4 c) (* b b)))

rewrite40.0ms

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:
10.0ms
(- (sqrt (fma a (* -4 c) (* b b))) b)
20.0ms
(- (- b) (sqrt (fma a (* -4 c) (* b b))))
2.0ms
(sqrt (fma a (* -4 c) (* b b)))
5.0ms
(sqrt (fma a (* -4 c) (* b b)))

series462.0ms

Counts
4 → 12
Calls
4 calls:
110.0ms
(- (sqrt (fma a (* -4 c) (* b b))) b)
109.0ms
(- (- b) (sqrt (fma a (* -4 c) (* b b))))
100.0ms
(sqrt (fma a (* -4 c) (* b b)))
143.0ms
(sqrt (fma a (* -4 c) (* b b)))

simplify2.8s

Counts
177 → 177
Iterations
IterNodes
done5001
21842
1434
0195

prune1.7s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 11.2b

localize205.0ms

Local error

Found 4 expressions with local error:

0.9b
(- (sqrt (fma a (* -4 c) (* b b))) b)
4.4b
(/ (* 2 c) (* 2 (- (/ a (/ b c)) b)))
6.0b
(/ a (/ b c))
22.2b
(sqrt (fma a (* -4 c) (* b b)))

rewrite65.0ms

Algorithm
rewrite-expression-head
Rules
76×times-frac
66×add-sqr-sqrt
63×*-un-lft-identity
61×add-cube-cbrt
21×add-cbrt-cube add-exp-log
18×prod-diff
16×sqrt-prod
14×associate-/r*
cbrt-undiv div-exp
fma-neg div-inv add-log-exp
pow1
expm1-log1p-u prod-exp cbrt-unprod insert-posit16 log1p-expm1-u associate-/l*
associate-/r/
clear-num frac-2neg flip3-- associate-*r/ flip-- difference-of-squares
rem-sqrt-square sub-neg sqrt-pow1 pow1/2 diff-log distribute-lft-out--
Counts
4 → 157
Calls
4 calls:
14.0ms
(- (sqrt (fma a (* -4 c) (* b b))) b)
35.0ms
(/ (* 2 c) (* 2 (- (/ a (/ b c)) b)))
10.0ms
(/ a (/ b c))
2.0ms
(sqrt (fma a (* -4 c) (* b b)))

series380.0ms

Counts
4 → 12
Calls
4 calls:
128.0ms
(- (sqrt (fma a (* -4 c) (* b b))) b)
83.0ms
(/ (* 2 c) (* 2 (- (/ a (/ b c)) b)))
36.0ms
(/ a (/ b c))
133.0ms
(sqrt (fma a (* -4 c) (* b b)))

simplify2.0s

Counts
169 → 169
Iterations
IterNodes
done5001
23594
1726
0284

prune1.2s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 11.2b

localize172.0ms

Local error

Found 4 expressions with local error:

10.0b
(- (- b) (* (sqrt (sqrt (fma a (* -4 c) (* b b)))) (sqrt (sqrt (fma a (* -4 c) (* b b))))))
22.2b
(sqrt (fma a (* -4 c) (* b b)))
22.2b
(sqrt (fma a (* -4 c) (* b b)))
22.2b
(sqrt (fma a (* -4 c) (* b b)))

rewrite16.0ms

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:
12.0ms
(- (- b) (* (sqrt (sqrt (fma a (* -4 c) (* b b)))) (sqrt (sqrt (fma a (* -4 c) (* b b))))))
1.0ms
(sqrt (fma a (* -4 c) (* b b)))
1.0ms
(sqrt (fma a (* -4 c) (* b b)))
1.0ms
(sqrt (fma a (* -4 c) (* b b)))

series464.0ms

Counts
4 → 12
Calls
4 calls:
117.0ms
(- (- b) (* (sqrt (sqrt (fma a (* -4 c) (* b b)))) (sqrt (sqrt (fma a (* -4 c) (* b b))))))
124.0ms
(sqrt (fma a (* -4 c) (* b b)))
112.0ms
(sqrt (fma a (* -4 c) (* b b)))
110.0ms
(sqrt (fma a (* -4 c) (* b b)))

simplify2.0s

Counts
98 → 98
Iterations
IterNodes
done5000
33310
2657
1213
097

prune814.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 11.2b

localize171.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ (/ (- (sqrt (fma a (* -4 c) (* b b))) b) 2) a)
0.9b
(- (sqrt (fma a (* -4 c) (* b b))) b)
22.2b
(sqrt (fma a (* -4 c) (* b b)))

rewrite57.0ms

Algorithm
rewrite-expression-head
Rules
138×times-frac
134×add-sqr-sqrt
107×*-un-lft-identity
81×add-cube-cbrt
28×sqrt-prod
26×difference-of-squares
22×associate-/l*
18×prod-diff
13×distribute-lft-out--
add-cbrt-cube add-exp-log
fma-neg
div-inv add-log-exp
pow1
expm1-log1p-u cbrt-undiv associate-/r* div-exp insert-posit16 log1p-expm1-u
div-sub
rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 flip3-- pow1/2 diff-log flip-- associate-/l/
Counts
3 → 168
Calls
3 calls:
33.0ms
(/ (/ (- (sqrt (fma a (* -4 c) (* b b))) b) 2) a)
15.0ms
(- (sqrt (fma a (* -4 c) (* b b))) b)
3.0ms
(sqrt (fma a (* -4 c) (* b b)))

series382.0ms

Counts
3 → 9
Calls
3 calls:
146.0ms
(/ (/ (- (sqrt (fma a (* -4 c) (* b b))) b) 2) a)
115.0ms
(- (sqrt (fma a (* -4 c) (* b b))) b)
120.0ms
(sqrt (fma a (* -4 c) (* b b)))

simplify1.7s

Counts
177 → 177
Iterations
IterNodes
done5001
22341
1623
0265

prune1.0s

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 11.2b

regimes400.0ms

Accuracy

93.3% (0.5b remaining)

Error of 12.4b against oracle of 11.9b and baseline of 19.3b

bsearch168.0ms

Steps
ItersRangePoint
10
3.302865865338161e+140
2.8302951796802603e+150
5.03307751825146e+142

simplify7.0ms

Iterations
IterNodes
done39
239
138
034

end0.0ms

sample3.3s

Algorithm
intervals
Results
2.4s8746×body80valid
583.0ms2913×body80nan