Details

Time bar (total: 12.3s)

sample340.0ms

Algorithm
intervals
Results
7.0ms37×body2560valid
5.0ms175×body80valid
5.0ms32×body1280valid
4.0ms103×body80nan
2.0ms17×body640valid
1.0msbody5120valid
1.0msbody320valid
0.0msbody160valid

simplify56.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01013
11913
23313
34613
44913
done4913

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.8b

localize12.0ms

Local error

Found 4 expressions with local error:

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

rewrite139.0ms

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:
73.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
35.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
9.0ms
(- (* b_2 b_2) (* a c))
14.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series272.0ms

Counts
4 → 12
Calls
4 calls:
86.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
73.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
35.0ms
(- (* b_2 b_2) (* a c))
78.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.0s

Counts
183 → 183
Iterations

Useful iterations: done (1.0s)

IterNodesCost
02425993
15464313
214143549
done50013001

prune364.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 5.5b

localize12.0ms

Local error

Found 4 expressions with local error:

1.3b
(- (sqrt (- (pow b_2 2) (* a c))) b_2)
6.9b
(/ (/ (+ 0 (* a c)) (- (sqrt (- (pow b_2 2) (* a c))) b_2)) a)
11.2b
(/ (+ 0 (* a c)) (- (sqrt (- (pow b_2 2) (* a c))) b_2))
23.4b
(sqrt (- (pow b_2 2) (* a c)))

rewrite300.0ms

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:
78.0ms
(- (sqrt (- (pow b_2 2) (* a c))) b_2)
117.0ms
(/ (/ (+ 0 (* a c)) (- (sqrt (- (pow b_2 2) (* a c))) b_2)) a)
78.0ms
(/ (+ 0 (* a c)) (- (sqrt (- (pow b_2 2) (* a c))) b_2))
18.0ms
(sqrt (- (pow b_2 2) (* a c)))

series486.0ms

Counts
4 → 12
Calls
4 calls:
70.0ms
(- (sqrt (- (pow b_2 2) (* a c))) b_2)
159.0ms
(/ (/ (+ 0 (* a c)) (- (sqrt (- (pow b_2 2) (* a c))) b_2)) a)
192.0ms
(/ (+ 0 (* a c)) (- (sqrt (- (pow b_2 2) (* a c))) b_2))
65.0ms
(sqrt (- (pow b_2 2) (* a c)))

simplify1.1s

Counts
231 → 231
Iterations

Useful iterations: done (1.1s)

IterNodesCost
03406455
17965486
224085170
done50005113

prune592.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 5.4b

localize15.0ms

Local error

Found 4 expressions with local error:

10.5b
(/ (+ 0 (* a c)) (fma (sqrt (sqrt (- (pow b_2 2) (* a c)))) (sqrt (sqrt (- (pow b_2 2) (* a c)))) (- b_2)))
14.6b
(fma (sqrt (sqrt (- (pow b_2 2) (* a c)))) (sqrt (sqrt (- (pow b_2 2) (* a c)))) (- b_2))
23.4b
(sqrt (- (pow b_2 2) (* a c)))
23.4b
(sqrt (- (pow b_2 2) (* a c)))

rewrite58.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt
14×add-cube-cbrt *-un-lft-identity
times-frac
pow1 add-exp-log sqrt-prod add-cbrt-cube
expm1-log1p-u sqrt-div log1p-expm1-u add-log-exp
associate-/r* associate-/l*
rem-sqrt-square flip3-- sqrt-pow1 pow1/2 flip-- associate-/l/
cbrt-undiv frac-2neg flip3-+ div-exp clear-num flip-+ fma-udef div-inv
Counts
4 → 75
Calls
4 calls:
19.0ms
(/ (+ 0 (* a c)) (fma (sqrt (sqrt (- (pow b_2 2) (* a c)))) (sqrt (sqrt (- (pow b_2 2) (* a c)))) (- b_2)))
1.0ms
(fma (sqrt (sqrt (- (pow b_2 2) (* a c)))) (sqrt (sqrt (- (pow b_2 2) (* a c)))) (- b_2))
19.0ms
(sqrt (- (pow b_2 2) (* a c)))
17.0ms
(sqrt (- (pow b_2 2) (* a c)))

series651.0ms

Counts
4 → 12
Calls
4 calls:
425.0ms
(/ (+ 0 (* a c)) (fma (sqrt (sqrt (- (pow b_2 2) (* a c)))) (sqrt (sqrt (- (pow b_2 2) (* a c)))) (- b_2)))
102.0ms
(fma (sqrt (sqrt (- (pow b_2 2) (* a c)))) (sqrt (sqrt (- (pow b_2 2) (* a c)))) (- b_2))
60.0ms
(sqrt (- (pow b_2 2) (* a c)))
64.0ms
(sqrt (- (pow b_2 2) (* a c)))

simplify2.2s

Counts
87 → 87
Iterations

Useful iterations: done (2.2s)

IterNodesCost
01552205
13461439
210821285
342561254
done50001252

prune331.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 5.4b

localize19.0ms

Local error

Found 4 expressions with local error:

7.4b
(/ (/ (+ 0 (* a c)) (- (* (fabs (cbrt (- (pow b_2 2) (* a c)))) (sqrt (cbrt (- (pow b_2 2) (* a c))))) b_2)) a)
10.9b
(/ (+ 0 (* a c)) (- (* (fabs (cbrt (- (pow b_2 2) (* a c)))) (sqrt (cbrt (- (pow b_2 2) (* a c))))) b_2))
24.2b
(cbrt (- (pow b_2 2) (* a c)))
24.2b
(cbrt (- (pow b_2 2) (* a c)))

rewrite157.0ms

Algorithm
rewrite-expression-head
Rules
90×times-frac
58×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
18×associate-/l*
11×add-exp-log add-cbrt-cube
10×associate-/r/
flip3-- flip--
cbrt-prod associate-/r* div-inv
pow1 cbrt-undiv expm1-log1p-u cbrt-div div-exp log1p-expm1-u add-log-exp
associate-/l/
frac-2neg pow1/3 clear-num
flip3-+ flip-+
Counts
4 → 143
Calls
4 calls:
84.0ms
(/ (/ (+ 0 (* a c)) (- (* (fabs (cbrt (- (pow b_2 2) (* a c)))) (sqrt (cbrt (- (pow b_2 2) (* a c))))) b_2)) a)
52.0ms
(/ (+ 0 (* a c)) (- (* (fabs (cbrt (- (pow b_2 2) (* a c)))) (sqrt (cbrt (- (pow b_2 2) (* a c))))) b_2))
7.0ms
(cbrt (- (pow b_2 2) (* a c)))
7.0ms
(cbrt (- (pow b_2 2) (* a c)))

series902.0ms

Counts
4 → 12
Calls
4 calls:
330.0ms
(/ (/ (+ 0 (* a c)) (- (* (fabs (cbrt (- (pow b_2 2) (* a c)))) (sqrt (cbrt (- (pow b_2 2) (* a c))))) b_2)) a)
394.0ms
(/ (+ 0 (* a c)) (- (* (fabs (cbrt (- (pow b_2 2) (* a c)))) (sqrt (cbrt (- (pow b_2 2) (* a c))))) b_2))
88.0ms
(cbrt (- (pow b_2 2) (* a c)))
89.0ms
(cbrt (- (pow b_2 2) (* a c)))

simplify1.2s

Counts
155 → 155
Iterations

Useful iterations: done (1.2s)

IterNodesCost
03336544
18505994
227855583
done50005565

prune623.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 5.4b

regimes311.0ms

Accuracy

80.3% (5.3b remaining)

Error of 10.5b against oracle of 5.3b and baseline of 32.1b

bsearch69.0ms

Steps
ItersRangePoint
6
2.0335150395734557e+19
1.0746392320557105e+20
1.0610691325078738e+20
9
-2.2937511015552136e-106
-2.1895844909113535e-111
-1.9134719200570835e-110

simplify3.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
02638
13136
done3136

end0.0ms

sample1.1s

Algorithm
intervals
Results
202.0ms1077×body2560valid
188.0ms5759×body80valid
139.0ms915×body1280valid
88.0ms2830×body80nan
55.0ms465×body640valid
26.0ms105×body5120valid
22.0ms249×body320valid
9.0ms115×body160valid