Details

Time bar (total: 17.5s)

sample84.0ms

Algorithm
intervals
Results
45.0ms277×body80valid
10.0ms105×body80nan

simplify220.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (11.0ms)

IterNodesCost
02038
13938
27937
314337
417937
518937
619337
done19337

prune19.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 18.5b

localize160.0ms

Local error

Found 4 expressions with local error:

1.3b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
1.5b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
21.2b
(sqrt (- (* b b) (* (* 4.0 a) c)))
21.2b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite150.0ms

Algorithm
rewrite-expression-head
Rules
60×prod-diff
58×*-un-lft-identity
56×add-sqr-sqrt
50×add-cube-cbrt
37×sqrt-prod
26×distribute-rgt-neg-in
24×distribute-lft-neg-in
12×add-log-exp
10×fma-def fma-neg
neg-mul-1
pow1
add-exp-log expm1-log1p-u sqrt-div add-cbrt-cube log1p-expm1-u
flip3-- flip--
neg-sub0 rem-sqrt-square sqrt-pow1 pow1/2 diff-log neg-log sum-log distribute-lft-out distribute-lft-out-- difference-of-squares
+-commutative associate--l- associate-+l- sub-neg flip3-+ flip-+
Counts
4 → 151
Calls
4 calls:
59.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
53.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
14.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
12.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series441.0ms

Counts
4 → 12
Calls
4 calls:
96.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
126.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
100.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
119.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify2.0s

Counts
163 → 163
Iterations

Useful iterations: done (2.0s)

IterNodesCost
01796238
14414232
218153344
done50012696

prune884.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 7.9b

localize171.0ms

Local error

Found 4 expressions with local error:

0.8b
(- (* b b) (* (* 4.0 a) c))
1.5b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
21.2b
(sqrt (- (* b b) (* (* 4.0 a) c)))
21.2b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite67.0ms

Algorithm
rewrite-expression-head
Rules
13×*-un-lft-identity
11×add-sqr-sqrt
10×fma-def add-log-exp
add-cube-cbrt
pow1 sqrt-prod
add-exp-log expm1-log1p-u distribute-rgt-neg-in sqrt-div add-cbrt-cube log1p-expm1-u
distribute-lft-neg-in flip3-- flip--
rem-sqrt-square sqrt-pow1 pow1/2 sum-log distribute-lft-out
+-commutative neg-sub0 associate-+l- neg-mul-1 sub-neg flip3-+ fma-neg diff-log prod-diff neg-log flip-+
Counts
4 → 77
Calls
4 calls:
13.0ms
(- (* b b) (* (* 4.0 a) c))
25.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
13.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
13.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series413.0ms

Counts
4 → 12
Calls
4 calls:
67.0ms
(- (* b b) (* (* 4.0 a) c))
125.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
117.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
104.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify1.2s

Counts
89 → 89
Iterations

Useful iterations: done (1.2s)

IterNodesCost
01041247
12781120
213231017
done50001010

prune674.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 7.9b

localize167.0ms

Local error

Found 4 expressions with local error:

6.6b
(+ (- b) (* (fabs (cbrt (- (* b b) (* (* 4.0 a) c)))) (sqrt (cbrt (- (* b b) (* (* 4.0 a) c))))))
21.2b
(sqrt (- (* b b) (* (* 4.0 a) c)))
21.9b
(cbrt (- (* b b) (* (* 4.0 a) c)))
21.9b
(cbrt (- (* b b) (* (* 4.0 a) c)))

rewrite53.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt
10×add-cube-cbrt fma-def *-un-lft-identity
add-log-exp
cbrt-prod
pow1
add-exp-log expm1-log1p-u cbrt-div add-cbrt-cube log1p-expm1-u
distribute-lft-neg-in flip3-- distribute-rgt-neg-in sqrt-prod flip--
pow1/3 sqrt-div sum-log
+-commutative neg-sub0 associate-+l- neg-mul-1 rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 neg-log flip-+
Counts
4 → 72
Calls
4 calls:
20.0ms
(+ (- b) (* (fabs (cbrt (- (* b b) (* (* 4.0 a) c)))) (sqrt (cbrt (- (* b b) (* (* 4.0 a) c))))))
12.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
7.0ms
(cbrt (- (* b b) (* (* 4.0 a) c)))
11.0ms
(cbrt (- (* b b) (* (* 4.0 a) c)))

series538.0ms

Counts
4 → 12
Calls
4 calls:
150.0ms
(+ (- b) (* (fabs (cbrt (- (* b b) (* (* 4.0 a) c)))) (sqrt (cbrt (- (* b b) (* (* 4.0 a) c))))))
116.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
130.0ms
(cbrt (- (* b b) (* (* 4.0 a) c)))
141.0ms
(cbrt (- (* b b) (* (* 4.0 a) c)))

simplify1.6s

Counts
84 → 84
Iterations

Useful iterations: done (1.6s)

IterNodesCost
01521636
14051538
217951342
done50001306

prune935.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 7.9b

localize199.0ms

Local error

Found 4 expressions with local error:

21.2b
(sqrt (- (* b b) (* (* 4.0 a) c)))
21.2b
(sqrt (- (* b b) (* (* 4.0 a) c)))
21.2b
(sqrt (- (* b b) (* (* 4.0 a) c)))
21.9b
(cbrt (- (* b b) (* (* 4.0 a) c)))

rewrite94.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt
sqrt-prod
add-cube-cbrt *-un-lft-identity
pow1
sqrt-div
add-exp-log expm1-log1p-u flip3-- add-cbrt-cube flip-- log1p-expm1-u add-log-exp
cbrt-prod rem-sqrt-square sqrt-pow1 pow1/2
cbrt-div
pow1/3
Counts
4 → 66
Calls
4 calls:
32.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
24.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
23.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
13.0ms
(cbrt (- (* b b) (* (* 4.0 a) c)))

series455.0ms

Counts
4 → 12
Calls
4 calls:
98.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
100.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
116.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
140.0ms
(cbrt (- (* b b) (* (* 4.0 a) c)))

simplify3.3s

Counts
78 → 78
Iterations

Useful iterations: done (3.3s)

IterNodesCost
0941238
12241122
27501028
339761022
done50001019

prune778.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 7.9b

regimes330.0ms

Accuracy

93.2% (0.8b remaining)

Error of 8.0b against oracle of 7.1b and baseline of 19.5b

bsearch368.0ms

Steps
ItersRangePoint
9
9.357224410271438e+98
8.450543925883448e+104
1.8826250280731126e+103
10
-1.9836462979030918e+161
-7.955079132577946e+149
-1.3389186356061464e+154

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
043122
152122
done52122

end0.0ms

sample2.2s

Algorithm
intervals
Results
986.0ms8729×body80valid
721.0ms2885×body80nan