Details

Time bar (total: 18.9s)

sample73.0ms

Algorithm
intervals
Results
14.0ms40×body2560valid
11.0ms181×body80valid
8.0msbody5120valid
7.0ms27×body1280valid
5.0ms92×body80nan
3.0ms13×body640valid
1.0msbody320valid
0.0msbody160valid

simplify37.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01013
11913
23313
34613
44913
done4913

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.5b

localize23.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
0.2b
(- (* b_2 b_2) (* a c))
1.0b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
23.4b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite594.0ms

Algorithm
rewrite-expression-head
Rules
79×add-sqr-sqrt
78×*-un-lft-identity
61×prod-diff
58×add-cube-cbrt
38×sqrt-prod
26×distribute-rgt-neg-in
21×distribute-lft-neg-in times-frac
11×fma-neg
10×distribute-lft-out-- add-log-exp difference-of-squares
neg-mul-1 associate-/l*
add-exp-log add-cbrt-cube
pow1
expm1-log1p-u flip3-- flip-- log1p-expm1-u
diff-log associate-/r*
sub-neg sqrt-div associate-/l/
cbrt-undiv associate--l- neg-sub0 rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub div-exp neg-log clear-num div-inv
Counts
4 → 171
Calls
4 calls:
447.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
18.0ms
(- (* b_2 b_2) (* a c))
65.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
50.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series368.0ms

Counts
4 → 12
Calls
4 calls:
148.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
41.0ms
(- (* b_2 b_2) (* a c))
85.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
93.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.7s

Counts
183 → 183
Iterations

Useful iterations: done (1.7s)

IterNodesCost
02425993
15464313
214083549
done50003001

prune524.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 4.3b

localize30.0ms

Local error

Found 4 expressions with local error:

1.1b
(- (sqrt (fma b_2 b_2 (- (* c a)))) b_2)
2.9b
(/ (/ (+ 0 (* a c)) (- (sqrt (fma b_2 b_2 (- (* c a)))) b_2)) a)
8.4b
(/ (+ 0 (* a c)) (- (sqrt (fma b_2 b_2 (- (* c a)))) b_2))
23.4b
(sqrt (fma b_2 b_2 (- (* c a))))

rewrite178.0ms

Algorithm
rewrite-expression-head
Rules
164×add-sqr-sqrt
162×times-frac
129×*-un-lft-identity
95×add-cube-cbrt
34×difference-of-squares
32×sqrt-prod
27×associate-/l*
18×prod-diff
17×distribute-lft-out--
11×add-exp-log add-cbrt-cube
10×associate-/r/
associate-/r*
flip3-- fma-neg flip-- div-inv add-log-exp
pow1
cbrt-undiv expm1-log1p-u div-exp log1p-expm1-u
associate-/l/
frac-2neg clear-num
sub-neg rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 diff-log flip-+
Counts
4 → 217
Calls
4 calls:
24.0ms
(- (sqrt (fma b_2 b_2 (- (* c a)))) b_2)
71.0ms
(/ (/ (+ 0 (* a c)) (- (sqrt (fma b_2 b_2 (- (* c a)))) b_2)) a)
55.0ms
(/ (+ 0 (* a c)) (- (sqrt (fma b_2 b_2 (- (* c a)))) b_2))
4.0ms
(sqrt (fma b_2 b_2 (- (* c a))))

series745.0ms

Counts
4 → 12
Calls
4 calls:
136.0ms
(- (sqrt (fma b_2 b_2 (- (* c a)))) b_2)
225.0ms
(/ (/ (+ 0 (* a c)) (- (sqrt (fma b_2 b_2 (- (* c a)))) b_2)) a)
290.0ms
(/ (+ 0 (* a c)) (- (sqrt (fma b_2 b_2 (- (* c a)))) b_2))
94.0ms
(sqrt (fma b_2 b_2 (- (* c a))))

simplify2.6s

Counts
229 → 229
Iterations

Useful iterations: done (2.6s)

IterNodesCost
03296395
17575450
222075130
done50025015

prune917.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 4.3b

localize14.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ c (- (sqrt (fma b_2 b_2 (- (* c a)))) b_2))
0.3b
(fma b_2 b_2 (- (* c a)))
1.1b
(- (sqrt (fma b_2 b_2 (- (* c a)))) b_2)
23.4b
(sqrt (fma b_2 b_2 (- (* c a))))

rewrite57.0ms

Algorithm
rewrite-expression-head
Rules
51×add-sqr-sqrt
40×*-un-lft-identity
30×add-cube-cbrt
20×sqrt-prod
18×times-frac prod-diff
10×difference-of-squares
add-exp-log fma-neg associate-/r* add-cbrt-cube add-log-exp
pow1 distribute-lft-out--
expm1-log1p-u log1p-expm1-u
associate-/l*
flip3-- associate-/r/ flip--
cbrt-undiv sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 diff-log div-exp clear-num fma-udef div-inv
Counts
4 → 109
Calls
4 calls:
26.0ms
(/ c (- (sqrt (fma b_2 b_2 (- (* c a)))) b_2))
1.0ms
(fma b_2 b_2 (- (* c a)))
25.0ms
(- (sqrt (fma b_2 b_2 (- (* c a)))) b_2)
2.0ms
(sqrt (fma b_2 b_2 (- (* c a))))

series537.0ms

Counts
4 → 12
Calls
4 calls:
258.0ms
(/ c (- (sqrt (fma b_2 b_2 (- (* c a)))) b_2))
63.0ms
(fma b_2 b_2 (- (* c a)))
114.0ms
(- (sqrt (fma b_2 b_2 (- (* c a)))) b_2)
102.0ms
(sqrt (fma b_2 b_2 (- (* c a))))

simplify2.5s

Counts
121 → 121
Iterations

Useful iterations: done (2.5s)

IterNodesCost
01672224
13341950
27021731
319681653
done50001598

prune471.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 4.3b

localize22.0ms

Local error

Found 4 expressions with local error:

0.3b
(fma b_2 b_2 (- (* c a)))
0.7b
(/ (/ 1 1) (* (/ (- (sqrt (fma b_2 b_2 (- (* c a)))) b_2) c) 1))
1.1b
(- (sqrt (fma b_2 b_2 (- (* c a)))) b_2)
23.4b
(sqrt (fma b_2 b_2 (- (* c a))))

rewrite101.0ms

Algorithm
rewrite-expression-head
Rules
97×add-exp-log
69×div-exp
39×1-exp
38×add-sqr-sqrt
35×*-un-lft-identity
33×add-cube-cbrt
31×times-frac
28×prod-exp
25×add-cbrt-cube
18×prod-diff
16×sqrt-prod
13×associate-/l*
11×cbrt-undiv
10×rec-exp
fma-neg add-log-exp
pow1
expm1-log1p-u cbrt-unprod log1p-expm1-u
div-inv
difference-of-squares
sub-neg rem-sqrt-square flip3-- frac-2neg sqrt-pow1 pow1/2 diff-log associate-*l/ clear-num associate-/r* associate-/r/ flip-- fma-udef associate-/l/ distribute-lft-out--
Counts
4 → 148
Calls
4 calls:
1.0ms
(fma b_2 b_2 (- (* c a)))
59.0ms
(/ (/ 1 1) (* (/ (- (sqrt (fma b_2 b_2 (- (* c a)))) b_2) c) 1))
24.0ms
(- (sqrt (fma b_2 b_2 (- (* c a)))) b_2)
4.0ms
(sqrt (fma b_2 b_2 (- (* c a))))

series473.0ms

Counts
4 → 12
Calls
4 calls:
57.0ms
(fma b_2 b_2 (- (* c a)))
190.0ms
(/ (/ 1 1) (* (/ (- (sqrt (fma b_2 b_2 (- (* c a)))) b_2) c) 1))
117.0ms
(- (sqrt (fma b_2 b_2 (- (* c a)))) b_2)
109.0ms
(sqrt (fma b_2 b_2 (- (* c a))))

simplify2.8s

Counts
160 → 160
Iterations

Useful iterations: done (2.8s)

IterNodesCost
02643300
15202513
210162099
330301924
done50001914

prune373.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 4.3b

regimes253.0ms

Accuracy

95.8% (1.0b remaining)

Error of 6.3b against oracle of 5.3b and baseline of 29.5b

bsearch240.0ms

Steps
ItersRangePoint
10
4.61796087672408e+142
1.3206820209921783e+153
1.1043857160155008e+144
4
1.096458200021764e-161
2.1348066422084948e-161
1.123334719424155e-161
9
-6.354265220965125e+156
-1.769171722317776e+149
-2.4466612317601678e+151

simplify8.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
03758
14654
24854
done4854

end0.0ms

sample3.3s

Algorithm
intervals
Results
1.1s1098×body2560valid
585.0ms5724×body80valid
406.0ms959×body1280valid
250.0ms2913×body80nan
172.0ms456×body640valid
64.0ms119×body5120valid
49.0ms242×body320valid
16.0ms116×body160valid