Details

Time bar (total: 9.5s)

sample34.0ms

Algorithm
intervals
Results
6.0ms181×body80valid
5.0ms27×body2560valid
5.0ms31×body1280valid
2.0ms21×body640valid
2.0ms81×body80nan
2.0msbody5120valid
1.0msbody320valid
0.0msbody160valid

simplify21.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01013
11913
23313
34513
44713
done4713

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.6b

localize9.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
0.4b
(- (* b_2 b_2) (* a c))
0.9b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
21.1b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite75.0ms

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:
42.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
3.0ms
(- (* b_2 b_2) (* a c))
19.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series242.0ms

Counts
4 → 12
Calls
4 calls:
81.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
35.0ms
(- (* b_2 b_2) (* a c))
68.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
57.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify623.0ms

Counts
183 → 183
Iterations

Useful iterations: done (617.0ms)

IterNodesCost
02425993
15364313
214223549
done50003540

prune360.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 5.4b

localize14.0ms

Local error

Found 4 expressions with local error:

1.2b
(- (sqrt (- (pow b_2 2) (* a c))) b_2)
2.6b
(/ (/ (+ (* b_2 (- b_2 b_2)) (* a c)) (- (sqrt (- (pow b_2 2) (* a c))) b_2)) a)
8.2b
(/ (+ (* b_2 (- b_2 b_2)) (* a c)) (- (sqrt (- (pow b_2 2) (* a c))) b_2))
21.1b
(sqrt (- (pow b_2 2) (* a c)))

rewrite185.0ms

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-- flip--
fma-neg div-inv add-log-exp
pow1
cbrt-undiv expm1-log1p-u div-exp log1p-expm1-u
associate-/l/
frac-2neg sqrt-div clear-num
sub-neg rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 diff-log flip-+
Counts
4 → 219
Calls
4 calls:
45.0ms
(- (sqrt (- (pow b_2 2) (* a c))) b_2)
71.0ms
(/ (/ (+ (* b_2 (- b_2 b_2)) (* a c)) (- (sqrt (- (pow b_2 2) (* a c))) b_2)) a)
48.0ms
(/ (+ (* b_2 (- b_2 b_2)) (* a c)) (- (sqrt (- (pow b_2 2) (* a c))) b_2))
10.0ms
(sqrt (- (pow b_2 2) (* a c)))

series359.0ms

Counts
4 → 12
Calls
4 calls:
72.0ms
(- (sqrt (- (pow b_2 2) (* a c))) b_2)
97.0ms
(/ (/ (+ (* b_2 (- b_2 b_2)) (* a c)) (- (sqrt (- (pow b_2 2) (* a c))) b_2)) a)
132.0ms
(/ (+ (* b_2 (- b_2 b_2)) (* a c)) (- (sqrt (- (pow b_2 2) (* a c))) b_2))
58.0ms
(sqrt (- (pow b_2 2) (* a c)))

simplify1.0s

Counts
231 → 231
Iterations

Useful iterations: done (1.0s)

IterNodesCost
03357469
18026262
223535369
done50005367

prune609.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 5.4b

localize20.0ms

Local error

Found 4 expressions with local error:

5.4b
(exp (log (sqrt (- (pow b_2 2) (* a c)))))
8.6b
(/ (+ (* b_2 (- b_2 b_2)) (* a c)) (- (exp (log (sqrt (- (pow b_2 2) (* a c))))) b_2))
15.5b
(- (exp (log (sqrt (- (pow b_2 2) (* a c))))) b_2)
21.1b
(sqrt (- (pow b_2 2) (* a c)))

rewrite138.0ms

Algorithm
rewrite-expression-head
Rules
72×add-sqr-sqrt
51×*-un-lft-identity
41×add-cube-cbrt
40×log-prod exp-sum
27×prod-diff
23×sqrt-prod
21×times-frac
15×difference-of-squares
fma-neg
pow1 associate-/r*
add-exp-log exp-prod add-cbrt-cube add-log-exp
distribute-lft-out--
expm1-log1p-u flip3-- sqrt-div flip-- log1p-expm1-u
log-pow associate-/l*
log-div sqrt-pow1 pow1/2 exp-diff associate-/r/ associate-/l/
cbrt-undiv sub-neg rem-sqrt-square frac-2neg flip3-+ diff-log div-exp clear-num flip-+ div-inv rem-exp-log
Counts
4 → 144
Calls
4 calls:
6.0ms
(exp (log (sqrt (- (pow b_2 2) (* a c)))))
56.0ms
(/ (+ (* b_2 (- b_2 b_2)) (* a c)) (- (exp (log (sqrt (- (pow b_2 2) (* a c))))) b_2))
59.0ms
(- (exp (log (sqrt (- (pow b_2 2) (* a c))))) b_2)
9.0ms
(sqrt (- (pow b_2 2) (* a c)))

series314.0ms

Counts
4 → 12
Calls
4 calls:
57.0ms
(exp (log (sqrt (- (pow b_2 2) (* a c)))))
129.0ms
(/ (+ (* b_2 (- b_2 b_2)) (* a c)) (- (exp (log (sqrt (- (pow b_2 2) (* a c))))) b_2))
70.0ms
(- (exp (log (sqrt (- (pow b_2 2) (* a c))))) b_2)
58.0ms
(sqrt (- (pow b_2 2) (* a c)))

simplify2.2s

Counts
156 → 156
Iterations

Useful iterations: done (2.2s)

IterNodesCost
02353995
14862993
212332410
337952258
done50012254

prune394.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 5.4b

localize13.0ms

Local error

Found 4 expressions with local error:

0.4b
(- (pow b_2 2) (* a c))
1.2b
(- (sqrt (- (pow b_2 2) (* a c))) b_2)
13.4b
(/ (+ (* b_2 (- b_2 b_2)) (* a c)) (* a (- (sqrt (- (pow b_2 2) (* a c))) b_2)))
21.1b
(sqrt (- (pow b_2 2) (* a c)))

rewrite103.0ms

Algorithm
rewrite-expression-head
Rules
30×add-sqr-sqrt
27×*-un-lft-identity
26×prod-diff
25×add-cube-cbrt
16×sqrt-prod
14×fma-neg
add-exp-log add-cbrt-cube
add-log-exp
unpow-prod-down
pow1
expm1-log1p-u flip3-- flip-- log1p-expm1-u
times-frac associate-/l*
cbrt-undiv sub-neg sqrt-div diff-log associate-*r/ div-exp associate-/r/ associate-/l/ unpow2 difference-of-squares sqr-pow
rem-sqrt-square frac-2neg sqrt-pow1 flip3-+ pow1/2 prod-exp clear-num associate-/r* cbrt-unprod flip-+ div-inv distribute-lft-out--
Counts
4 → 115
Calls
4 calls:
9.0ms
(- (pow b_2 2) (* a c))
45.0ms
(- (sqrt (- (pow b_2 2) (* a c))) b_2)
33.0ms
(/ (+ (* b_2 (- b_2 b_2)) (* a c)) (* a (- (sqrt (- (pow b_2 2) (* a c))) b_2)))
12.0ms
(sqrt (- (pow b_2 2) (* a c)))

series272.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(- (pow b_2 2) (* a c))
69.0ms
(- (sqrt (- (pow b_2 2) (* a c))) b_2)
104.0ms
(/ (+ (* b_2 (- b_2 b_2)) (* a c)) (* a (- (sqrt (- (pow b_2 2) (* a c))) b_2)))
60.0ms
(sqrt (- (pow b_2 2) (* a c)))

simplify805.0ms

Counts
127 → 127
Iterations

Useful iterations: done (802.0ms)

IterNodesCost
02122496
15202078
215701636
done50001631

prune318.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 5.4b

regimes181.0ms

Accuracy

88% (3.2b remaining)

Error of 8.8b against oracle of 5.6b and baseline of 32.0b

bsearch161.0ms

Steps
ItersRangePoint
10
1.1889782913455773e+76
6.845935134449847e+90
2.0945334611922723e+90
9
-2.2089175703627385e-287
-1.7683474342019888e-296
-2.57120366754749e-295
9
-3.339096941797073e+59
-6.124320340976488e+51
-5.109856166749479e+57

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03859
14359
done4359

end0.0ms

sample1.0s

Algorithm
intervals
Results
213.0ms1059×body2560valid
196.0ms5842×body80valid
145.0ms911×body1280valid
90.0ms2942×body80nan
57.0ms463×body640valid
24.0ms103×body5120valid
22.0ms235×body320valid
7.0ms109×body160valid