Details

Time bar (total: 19.7s)

sample81.0ms

Algorithm
intervals
Results
16.0ms188×body80valid
16.0ms35×body2560valid
12.0ms28×body1280valid
7.0ms85×body80nan
4.0ms14×body640valid
3.0msbody5120valid
2.0ms10×body320valid
1.0msbody160valid

simplify120.0ms

Counts
1 → 1
Iterations
IterNodes
done101
7101
6100
598
490
374
244
125
014

prune11.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 32.7b

localize29.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (sqrt (fma (* a c) -4 (* b b))) b) a)
0.8b
(fma (* a c) -4 (* b b))
1.6b
(- (sqrt (fma (* a c) -4 (* b b))) b)
21.2b
(sqrt (fma (* a c) -4 (* b b)))

rewrite89.0ms

Algorithm
rewrite-expression-head
Rules
51×add-sqr-sqrt
40×*-un-lft-identity
30×add-cube-cbrt
20×sqrt-prod
18×times-frac prod-diff
10×difference-of-squares
add-cbrt-cube fma-neg add-exp-log associate-/l* add-log-exp
pow1 distribute-lft-out--
expm1-log1p-u insert-posit16 log1p-expm1-u
associate-/r*
flip3-- flip-- associate-/l/
cbrt-undiv rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 pow1/2 diff-log div-sub div-exp fma-udef div-inv
Counts
4 → 114
Calls
4 calls:
56.0ms
(/ (- (sqrt (fma (* a c) -4 (* b b))) b) a)
1.0ms
(fma (* a c) -4 (* b b))
23.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
3.0ms
(sqrt (fma (* a c) -4 (* b b)))

series432.0ms

Counts
4 → 12
Calls
4 calls:
164.0ms
(/ (- (sqrt (fma (* a c) -4 (* b b))) b) a)
72.0ms
(fma (* a c) -4 (* b b))
103.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
92.0ms
(sqrt (fma (* a c) -4 (* b b)))

simplify2.3s

Counts
126 → 126
Iterations
IterNodes
done5008
32698
2773
1335
0156

prune614.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 22.0b

localize28.0ms

Local error

Found 4 expressions with local error:

0.8b
(+ (sqrt (fma (* a c) -4 (* b b))) b)
4.2b
(/ (/ (fma (* a c) -4 0) (+ (sqrt (fma (* a c) -4 (* b b))) b)) a)
10.7b
(/ (fma (* a c) -4 0) (+ (sqrt (fma (* a c) -4 (* b b))) b))
21.2b
(sqrt (fma (* a c) -4 (* b b)))

rewrite80.0ms

Algorithm
rewrite-expression-head
Rules
114×times-frac
101×*-un-lft-identity
68×add-sqr-sqrt
67×add-cube-cbrt
21×associate-/l*
17×distribute-lft-out
11×add-cbrt-cube add-exp-log
10×associate-/r/
associate-/r*
fma-def flip3-+ sqrt-prod flip-+ div-inv add-log-exp
pow1
expm1-log1p-u cbrt-undiv div-exp insert-posit16 log1p-expm1-u
clear-num frac-2neg
+-commutative rem-sqrt-square sum-log sqrt-pow1 pow1/2 associate-/l/
Counts
4 → 166
Calls
4 calls:
9.0ms
(+ (sqrt (fma (* a c) -4 (* b b))) b)
48.0ms
(/ (/ (fma (* a c) -4 0) (+ (sqrt (fma (* a c) -4 (* b b))) b)) a)
16.0ms
(/ (fma (* a c) -4 0) (+ (sqrt (fma (* a c) -4 (* b b))) b))
2.0ms
(sqrt (fma (* a c) -4 (* b b)))

series898.0ms

Counts
4 → 12
Calls
4 calls:
156.0ms
(+ (sqrt (fma (* a c) -4 (* b b))) b)
314.0ms
(/ (/ (fma (* a c) -4 0) (+ (sqrt (fma (* a c) -4 (* b b))) b)) a)
309.0ms
(/ (fma (* a c) -4 0) (+ (sqrt (fma (* a c) -4 (* b b))) b))
119.0ms
(sqrt (fma (* a c) -4 (* b b)))

simplify1.7s

Counts
178 → 178
Iterations
IterNodes
done5001
21434
1557
0246

prune1.2s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 13.5b

localize29.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (/ c (+ b (sqrt (fma c (* a -4) (* b b))))) (/ (* a -4) a))
0.3b
(/ c (+ b (sqrt (fma c (* a -4) (* b b)))))
0.8b
(+ b (sqrt (fma c (* a -4) (* b b))))
21.2b
(sqrt (fma c (* a -4) (* b b)))

rewrite105.0ms

Algorithm
rewrite-expression-head
Rules
41×*-un-lft-identity
31×add-sqr-sqrt
28×times-frac
27×add-cbrt-cube add-exp-log
25×add-cube-cbrt
18×associate-*l*
cbrt-undiv div-exp prod-exp cbrt-unprod distribute-lft-out
pow1 associate-*r*
add-log-exp
expm1-log1p-u associate-/r* associate-/r/ insert-posit16 log1p-expm1-u
fma-def flip3-+ sqrt-prod flip-+ div-inv associate-/l*
unswap-sqr
frac-times +-commutative rem-sqrt-square clear-num sum-log frac-2neg sqrt-pow1 pow1/2 pow-prod-down associate-*l/ associate-*r/ *-commutative
Counts
4 → 124
Calls
4 calls:
64.0ms
(* (/ c (+ b (sqrt (fma c (* a -4) (* b b))))) (/ (* a -4) a))
21.0ms
(/ c (+ b (sqrt (fma c (* a -4) (* b b)))))
14.0ms
(+ b (sqrt (fma c (* a -4) (* b b))))
3.0ms
(sqrt (fma c (* a -4) (* b b)))

series736.0ms

Counts
4 → 12
Calls
4 calls:
252.0ms
(* (/ c (+ b (sqrt (fma c (* a -4) (* b b))))) (/ (* a -4) a))
268.0ms
(/ c (+ b (sqrt (fma c (* a -4) (* b b)))))
118.0ms
(+ b (sqrt (fma c (* a -4) (* b b))))
98.0ms
(sqrt (fma c (* a -4) (* b b)))

simplify2.2s

Counts
136 → 136
Iterations
IterNodes
done5000
22243
1536
0195

prune788.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 8.2b

localize54.0ms

Local error

Found 4 expressions with local error:

0.2b
(* c (/ 1 (+ b (sqrt (fma c (* a -4) (* b b))))))
0.3b
(/ 1 (+ b (sqrt (fma c (* a -4) (* b b)))))
0.8b
(+ b (sqrt (fma c (* a -4) (* b b))))
21.2b
(sqrt (fma c (* a -4) (* b b)))

rewrite110.0ms

Algorithm
rewrite-expression-head
Rules
41×*-un-lft-identity
32×add-sqr-sqrt
26×times-frac
24×add-cube-cbrt
18×associate-*r*
17×add-exp-log
11×add-cbrt-cube
pow1 distribute-lft-out
add-log-exp
expm1-log1p-u associate-/r* div-exp prod-exp associate-/r/ insert-posit16 log1p-expm1-u
fma-def flip3-+ associate-*l* sqrt-prod flip-+ associate-/l* unswap-sqr
cbrt-undiv rec-exp 1-exp cbrt-unprod div-inv
+-commutative rem-sqrt-square clear-num sum-log frac-2neg sqrt-pow1 pow1/2 pow-prod-down associate-*r/ un-div-inv *-commutative pow-flip inv-pow
Counts
4 → 118
Calls
4 calls:
63.0ms
(* c (/ 1 (+ b (sqrt (fma c (* a -4) (* b b))))))
29.0ms
(/ 1 (+ b (sqrt (fma c (* a -4) (* b b)))))
9.0ms
(+ b (sqrt (fma c (* a -4) (* b b))))
4.0ms
(sqrt (fma c (* a -4) (* b b)))

series565.0ms

Counts
4 → 12
Calls
4 calls:
209.0ms
(* c (/ 1 (+ b (sqrt (fma c (* a -4) (* b b))))))
136.0ms
(/ 1 (+ b (sqrt (fma c (* a -4) (* b b)))))
106.0ms
(+ b (sqrt (fma c (* a -4) (* b b))))
114.0ms
(sqrt (fma c (* a -4) (* b b)))

simplify2.4s

Counts
130 → 130
Iterations
IterNodes
done5000
32741
21074
1380
0163

prune790.0ms

Pruning

16 alts after pruning (14 fresh and 2 done)

Merged error: 6.2b

regimes497.0ms

Accuracy

91.9% (1.8b remaining)

Error of 8.4b against oracle of 6.6b and baseline of 29.3b

bsearch372.0ms

Steps
ItersRangePoint
10
3.2581964582676164e+133
3.959679334962749e+145
3.421102533893443e+145
10
-2.8267030274469295e-306
1.290469777777001e-296
8.65932037201788e-309
8
-1.3198903247987554e+155
-1.1250773400730914e+152
-1.3388522088846754e+154

simplify19.0ms

Iterations
IterNodes
done58
158
044

end0.0ms

sample3.4s

Algorithm
intervals
Results
1.4s1083×body2560valid
582.0ms5804×body80valid
352.0ms932×body1280valid
311.0ms489×body640valid
285.0ms2988×body80nan
93.0ms107×body5120valid
85.0ms247×body320valid
24.0ms121×body160valid