Details

Time bar (total: 5.6s)

sample45.0ms

Algorithm
intervals
Results
8.0ms35×body2560valid
8.0ms186×body80valid
5.0ms25×body1280valid
5.0ms13×body640valid
3.0ms82×body80nan
2.0msbody5120valid
1.0msbody320valid
0.0msbody160valid

simplify11.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0249
1459
2799
3979
41059
51059

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 33.0b

localize11.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
0.6b
(- (* b b) (* (* 4.0 a) c))
1.0b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
24.0b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite55.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
10×add-log-exp
add-exp-log add-cbrt-cube
add-sqr-sqrt
add-cube-cbrt
distribute-lft-out
pow1 times-frac associate-/l*
distribute-rgt-neg-in sqrt-prod
cbrt-undiv neg-sub0 associate-+l- flip3-- flip3-+ sqrt-div div-exp sum-log flip-- flip-+ associate-/l/
+-commutative sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 diff-log div-sub neg-log prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 70
Calls
4 calls:
36.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
3.0ms
(- (* b b) (* (* 4.0 a) c))
11.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
4.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series331.0ms

Counts
4 → 12
Calls
4 calls:
127.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
50.0ms
(- (* b b) (* (* 4.0 a) c))
86.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
68.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify60.0ms

Algorithm
egg-herbie
Counts
82 → 82
Iterations

Useful iterations: 2 (49.0ms)

IterNodesCost
0405779
11563685
25001674

prune230.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 4.6b

localize15.0ms

Local error

Found 4 expressions with local error:

0.9b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
3.6b
(/ (/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
8.6b
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
24.0b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite95.0ms

Algorithm
rewrite-expression-head
Rules
90×times-frac
84×add-sqr-sqrt
83×*-un-lft-identity
39×add-cube-cbrt
30×associate-/l*
22×distribute-lft-out-- difference-of-squares
18×add-exp-log add-cbrt-cube
14×sqrt-prod
11×distribute-rgt-neg-in
associate-/r* add-log-exp
cbrt-undiv div-exp
associate-/r/
pow1 flip3-- flip--
div-inv
associate-/l/
frac-2neg sqrt-div diff-log prod-exp clear-num cbrt-unprod
associate--l- neg-sub0 sub-neg rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 neg-log flip-+
Counts
4 → 154
Calls
4 calls:
14.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
41.0ms
(/ (/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
26.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
7.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series492.0ms

Counts
4 → 12
Calls
4 calls:
82.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
162.0ms
(/ (/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
177.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
70.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify112.0ms

Algorithm
egg-herbie
Counts
166 → 166
Iterations

Useful iterations: 2 (90.0ms)

IterNodesCost
06512692
131392439
250022426

prune474.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 4.5b

localize17.0ms

Local error

Found 4 expressions with local error:

0.9b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
3.6b
(/ (/ (+ 0 (* 4.0 (* a c))) (* 1 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))) (* 2.0 a))
8.6b
(/ (+ 0 (* 4.0 (* a c))) (* 1 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))))
24.0b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite64.0ms

Algorithm
rewrite-expression-head
Rules
39×add-exp-log
30×add-cbrt-cube
18×times-frac
17×div-exp
16×add-sqr-sqrt
15×*-un-lft-identity
12×cbrt-undiv associate-/l*
11×add-cube-cbrt
10×prod-exp
add-log-exp
associate-*r/ associate-/r/ cbrt-unprod
pow1 flip3-- flip--
sqrt-prod div-inv
1-exp associate-/l/
frac-2neg sqrt-div diff-log clear-num associate-/r* distribute-lft-out-- difference-of-squares
associate--l- neg-sub0 sub-neg rem-sqrt-square distribute-rgt-neg-in sqrt-pow1 flip3-+ pow1/2 neg-log flip-+
Counts
4 → 103
Calls
4 calls:
12.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
23.0ms
(/ (/ (+ 0 (* 4.0 (* a c))) (* 1 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))) (* 2.0 a))
22.0ms
(/ (+ 0 (* 4.0 (* a c))) (* 1 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))))
4.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series477.0ms

Counts
4 → 12
Calls
4 calls:
77.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
147.0ms
(/ (/ (+ 0 (* 4.0 (* a c))) (* 1 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))) (* 2.0 a))
180.0ms
(/ (+ 0 (* 4.0 (* a c))) (* 1 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))))
73.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify119.0ms

Algorithm
egg-herbie
Counts
115 → 115
Iterations

Useful iterations: 2 (105.0ms)

IterNodesCost
06431677
133011344
250031325

prune345.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 4.5b

localize21.0ms

Local error

Found 4 expressions with local error:

5.5b
(exp (log (sqrt (- (* b b) (* (* 4.0 a) c)))))
7.8b
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (exp (log (sqrt (- (* b b) (* (* 4.0 a) c)))))))
16.3b
(- (- b) (exp (log (sqrt (- (* b b) (* (* 4.0 a) c))))))
24.0b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite66.0ms

Algorithm
rewrite-expression-head
Rules
52×add-sqr-sqrt
41×*-un-lft-identity
24×times-frac
21×add-cube-cbrt
16×log-prod exp-sum
15×difference-of-squares
11×sqrt-prod
10×distribute-lft-out--
associate-/r* add-log-exp
pow1
add-exp-log exp-prod add-cbrt-cube
distribute-rgt-neg-in
flip3-- sqrt-div flip--
log-pow associate-/l*
log-div sqrt-pow1 pow1/2 exp-diff diff-log associate-/r/ associate-/l/
cbrt-undiv associate--l- neg-sub0 sub-neg rem-sqrt-square frac-2neg flip3-+ div-exp neg-log clear-num flip-+ div-inv rem-exp-log
Counts
4 → 107
Calls
4 calls:
5.0ms
(exp (log (sqrt (- (* b b) (* (* 4.0 a) c)))))
34.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (exp (log (sqrt (- (* b b) (* (* 4.0 a) c)))))))
20.0ms
(- (- b) (exp (log (sqrt (- (* b b) (* (* 4.0 a) c))))))
4.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series407.0ms

Counts
4 → 12
Calls
4 calls:
72.0ms
(exp (log (sqrt (- (* b b) (* (* 4.0 a) c)))))
183.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (exp (log (sqrt (- (* b b) (* (* 4.0 a) c)))))))
78.0ms
(- (- b) (exp (log (sqrt (- (* b b) (* (* 4.0 a) c))))))
73.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify76.0ms

Algorithm
egg-herbie
Counts
119 → 119
Iterations

Useful iterations: 2 (62.0ms)

IterNodesCost
04481711
119161544
250011503

prune370.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 4.5b

regimes213.0ms

Accuracy

74.3% (7.0b remaining)

Error of 12.4b against oracle of 5.4b and baseline of 32.6b

bsearch165.0ms

Steps
ItersRangePoint
10
4.734590495924167e-35
7.237368999400794e-22
1.5846768506177574e-31
11
-1.1860998636736231e+119
-1.6133553378404837e+99
-1.6406413729723635e+109

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04625
14625

end0.0ms

sample1.3s

Algorithm
intervals
Results
280.0ms1073×body2560valid
260.0ms5835×body80valid
192.0ms903×body1280valid
124.0ms2961×body80nan
74.0ms451×body640valid
31.0ms259×body320valid
27.0ms90×body5120valid
10.0ms118×body160valid