Details

Time bar (total: 5.3s)

sample42.0ms

Algorithm
intervals
Results
8.0ms201×body80valid
6.0ms103×body80nan
6.0ms31×body1280valid
5.0ms21×body2560valid
2.0ms13×body640valid
1.0msbody5120valid
1.0msbody320valid
0.0msbody160valid

simplify12.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0259
1469
2869
31139
41219
51219

prune3.0ms

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.8b

localize12.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
1.0b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
1.2b
(- (* b b) (* (* 4.0 a) c))
19.5b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite60.0ms

Algorithm
rewrite-expression-head
Rules
22×*-un-lft-identity
11×add-sqr-sqrt
10×add-cube-cbrt fma-def add-log-exp
add-exp-log add-cbrt-cube
distribute-rgt-neg-in distribute-lft-out
pow1 times-frac associate-/l*
expm1-log1p-u log1p-expm1-u
distribute-lft-neg-in sqrt-prod
cbrt-undiv neg-sub0 associate-+l- flip3-- flip3-+ sqrt-div div-exp sum-log flip-- flip-+ associate-/l/
+-commutative neg-mul-1 sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 fma-neg diff-log div-sub prod-diff neg-log prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 90
Calls
4 calls:
37.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
12.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
3.0ms
(- (* b b) (* (* 4.0 a) c))
4.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series307.0ms

Counts
4 → 12
Calls
4 calls:
108.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
82.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
45.0ms
(- (* b b) (* (* 4.0 a) c))
72.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify51.0ms

Algorithm
egg-herbie
Counts
102 → 102
Iterations

Useful iterations: 2 (42.0ms)

IterNodesCost
0438854
11702750
25001735

prune322.0ms

Filtered
102 candidates to 82 candidates (80.4%)
Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 4.4b

localize13.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (* 1 (- (sqrt (- (* b b) (* (* 4.0 a) c))) b)) (* 2.0 a))
1.0b
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
1.2b
(- (* b b) (* (* 4.0 a) c))
19.5b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite71.0ms

Algorithm
rewrite-expression-head
Rules
24×add-sqr-sqrt
21×add-exp-log *-un-lft-identity
19×add-cube-cbrt prod-diff
16×sqrt-prod add-cbrt-cube
add-log-exp
fma-neg prod-exp
div-exp
pow1
cbrt-undiv expm1-log1p-u flip3-- flip-- cbrt-unprod log1p-expm1-u
sub-neg sqrt-div diff-log 1-exp associate-*r/ associate-/l/ difference-of-squares
rem-sqrt-square frac-2neg sqrt-pow1 times-frac pow1/2 clear-num associate-/r* div-inv associate-/l* distribute-lft-out--
Counts
4 → 101
Calls
4 calls:
38.0ms
(/ (* 1 (- (sqrt (- (* b b) (* (* 4.0 a) c))) b)) (* 2.0 a))
22.0ms
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
3.0ms
(- (* b b) (* (* 4.0 a) c))
4.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series310.0ms

Counts
4 → 12
Calls
4 calls:
109.0ms
(/ (* 1 (- (sqrt (- (* b b) (* (* 4.0 a) c))) b)) (* 2.0 a))
82.0ms
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
45.0ms
(- (* b b) (* (* 4.0 a) c))
74.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify72.0ms

Algorithm
egg-herbie
Counts
113 → 113
Iterations

Useful iterations: 2 (60.0ms)

IterNodesCost
05361212
12404932
25001903

prune277.0ms

Filtered
113 candidates to 72 candidates (63.7%)
Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 4.4b

localize14.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ (* 2.0 a) (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))))
1.0b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
1.2b
(- (* b b) (* (* 4.0 a) c))
19.5b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite54.0ms

Algorithm
rewrite-expression-head
Rules
53×times-frac
48×*-un-lft-identity
29×add-sqr-sqrt
28×add-cube-cbrt
25×add-exp-log
13×add-cbrt-cube
12×div-exp
11×associate-/r*
10×fma-def distribute-lft-out add-log-exp
associate-/r/
distribute-rgt-neg-in
pow1
cbrt-undiv flip3-+ flip-+ div-inv
expm1-log1p-u log1p-expm1-u
distribute-lft-neg-in rec-exp 1-exp prod-exp sqrt-prod associate-/l*
flip3-- sqrt-div sum-log flip--
+-commutative neg-sub0 associate-+l- neg-mul-1 sub-neg rem-sqrt-square pow-flip frac-2neg sqrt-pow1 pow1/2 fma-neg diff-log prod-diff neg-log clear-num cbrt-unprod inv-pow
Counts
4 → 134
Calls
4 calls:
29.0ms
(/ 1 (/ (* 2.0 a) (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))))
12.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
3.0ms
(- (* b b) (* (* 4.0 a) c))
4.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series349.0ms

Counts
4 → 12
Calls
4 calls:
147.0ms
(/ 1 (/ (* 2.0 a) (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))))
82.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
45.0ms
(- (* b b) (* (* 4.0 a) c))
74.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify72.0ms

Algorithm
egg-herbie
Counts
146 → 146
Iterations

Useful iterations: 2 (57.0ms)

IterNodesCost
05561665
127071442
250011371

prune339.0ms

Filtered
146 candidates to 91 candidates (62.3%)
Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 4.4b

localize23.0ms

Local error

Found 4 expressions with local error:

2.0b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
2.7b
(/ (/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
9.9b
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
19.5b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite106.0ms

Algorithm
rewrite-expression-head
Rules
125×add-sqr-sqrt
124×*-un-lft-identity
90×times-frac
80×add-cube-cbrt
60×prod-diff
44×sqrt-prod
32×distribute-rgt-neg-in
30×associate-/l*
22×distribute-lft-out-- difference-of-squares
21×distribute-lft-neg-in
18×add-exp-log add-cbrt-cube
10×fma-neg
associate-/r* add-log-exp
cbrt-undiv neg-mul-1 div-exp
associate-/r/
pow1 flip3-- flip--
expm1-log1p-u log1p-expm1-u 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 → 232
Calls
4 calls:
17.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
46.0ms
(/ (/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
27.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
5.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series510.0ms

Counts
4 → 12
Calls
4 calls:
77.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
160.0ms
(/ (/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
192.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
80.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify152.0ms

Algorithm
egg-herbie
Counts
244 → 244
Iterations

Useful iterations: 2 (108.0ms)

IterNodesCost
08295119
137633863
250013860

prune573.0ms

Filtered
244 candidates to 140 candidates (57.4%)
Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 4.4b

regimes180.0ms

Accuracy

86.7% (3.8b remaining)

Error of 9.3b against oracle of 5.5b and baseline of 34.1b

bsearch166.0ms

Steps
ItersRangePoint
2
3.9431530817676045e+109
4.557375181159837e+109
4.019930844191633e+109
9
8.821301774413145e-82
2.0920398247873342e-75
8.930527750856993e-82
10
-1.5405955983178716e+163
-1.402598515452623e+153
-2.3044033969831823e+153

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
05247
15447
25447

end0.0ms

sample1.2s

Algorithm
intervals
Results
259.0ms1101×body2560valid
236.0ms5850×body80valid
182.0ms921×body1280valid
108.0ms2888×body80nan
69.0ms450×body640valid
29.0ms103×body5120valid
25.0ms228×body320valid
9.0ms121×body160valid