Details

Time bar (total: 5.2s)

sample39.0ms

Algorithm
intervals
Results
18.0ms281×body80valid
4.0ms77×body80nan

simplify15.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03618
16718
212318
316018
417518
517718
617718
done17718

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 22.3b

localize87.0ms

Local error

Found 4 expressions with local error:

1.0b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
1.5b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
24.9b
(sqrt (- (* b b) (* (* 4.0 a) c)))
24.9b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite81.0ms

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:
28.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
26.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
11.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
11.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series315.0ms

Counts
4 → 12
Calls
4 calls:
78.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
84.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
77.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
76.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify66.0ms

Counts
163 → 163
Iterations

Useful iterations: 2 (42.0ms)

IterNodesCost
04183056
114712008
250011917
done50011917

prune434.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 8.4b

localize89.0ms

Local error

Found 4 expressions with local error:

4.3b
(expm1 (log1p (sqrt (- (* b b) (* (* 4.0 a) c)))))
15.7b
(- (- b) (expm1 (log1p (sqrt (- (* b b) (* (* 4.0 a) c))))))
24.9b
(sqrt (- (* b b) (* (* 4.0 a) c)))
24.9b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite47.0ms

Algorithm
rewrite-expression-head
Rules
32×add-sqr-sqrt *-un-lft-identity
30×prod-diff
28×add-cube-cbrt
13×distribute-rgt-neg-in
12×distribute-lft-neg-in
10×fma-neg
add-log-exp
pow1 sqrt-prod
add-exp-log expm1-log1p-u neg-mul-1 sqrt-div add-cbrt-cube log1p-expm1-u
flip3-- flip--
rem-sqrt-square sqrt-pow1 pow1/2 diff-log distribute-lft-out-- expm1-udef
associate--l- neg-sub0 sub-neg expm1-log1p neg-log associate--r- difference-of-squares
Counts
4 → 105
Calls
4 calls:
0.0ms
(expm1 (log1p (sqrt (- (* b b) (* (* 4.0 a) c)))))
15.0ms
(- (- b) (expm1 (log1p (sqrt (- (* b b) (* (* 4.0 a) c))))))
11.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
17.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series330.0ms

Counts
4 → 12
Calls
4 calls:
109.0ms
(expm1 (log1p (sqrt (- (* b b) (* (* 4.0 a) c)))))
69.0ms
(- (- b) (expm1 (log1p (sqrt (- (* b b) (* (* 4.0 a) c))))))
75.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
76.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify54.0ms

Counts
117 → 117
Iterations

Useful iterations: 2 (35.0ms)

IterNodesCost
03782192
112291213
250011163
done50011163

prune388.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 6.9b

localize91.0ms

Local error

Found 4 expressions with local error:

1.0b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
2.9b
(/ (- (* 2.0 (/ (* a c) b)) (* 2 b)) (* 2.0 a))
6.2b
(/ (* a c) b)
24.9b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite108.0ms

Algorithm
rewrite-expression-head
Rules
60×prod-diff
55×add-sqr-sqrt
54×*-un-lft-identity
50×add-cube-cbrt
34×sqrt-prod
22×distribute-rgt-neg-in
21×distribute-lft-neg-in
14×add-exp-log add-cbrt-cube
10×fma-neg
add-log-exp
neg-mul-1
times-frac
pow1
cbrt-undiv expm1-log1p-u div-exp associate-/r* log1p-expm1-u associate-/l*
flip3-- flip--
frac-2neg sqrt-div diff-log prod-exp clear-num cbrt-unprod div-inv associate-/l/ distribute-lft-out-- difference-of-squares
associate--l- neg-sub0 sub-neg rem-sqrt-square sqrt-pow1 pow1/2 div-sub neg-log
Counts
4 → 156
Calls
4 calls:
29.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
46.0ms
(/ (- (* 2.0 (/ (* a c) b)) (* 2 b)) (* 2.0 a))
15.0ms
(/ (* a c) b)
11.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series258.0ms

Counts
4 → 12
Calls
4 calls:
82.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
82.0ms
(/ (- (* 2.0 (/ (* a c) b)) (* 2 b)) (* 2.0 a))
20.0ms
(/ (* a c) b)
75.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify83.0ms

Counts
168 → 168
Iterations

Useful iterations: 2 (63.0ms)

IterNodesCost
06513102
127072019
250021941
done50021941

prune434.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 5.4b

localize84.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (* 2.0 c) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
1.0b
(- (* b b) (* (* 4.0 a) c))
1.0b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
24.9b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite102.0ms

Algorithm
rewrite-expression-head
Rules
61×add-sqr-sqrt prod-diff
60×*-un-lft-identity
48×add-cube-cbrt
36×sqrt-prod
24×distribute-rgt-neg-in
21×distribute-lft-neg-in
11×fma-neg
10×add-log-exp
add-exp-log add-cbrt-cube
neg-mul-1 times-frac associate-/r*
distribute-lft-out-- difference-of-squares
pow1
expm1-log1p-u flip3-- flip-- log1p-expm1-u
diff-log
cbrt-undiv sub-neg sqrt-div div-exp associate-/r/
associate--l- neg-sub0 rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 neg-log prod-exp clear-num cbrt-unprod div-inv associate-/l*
Counts
4 → 156
Calls
4 calls:
43.0ms
(/ (* 2.0 c) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
8.0ms
(- (* b b) (* (* 4.0 a) c))
29.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
16.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series377.0ms

Counts
4 → 12
Calls
4 calls:
178.0ms
(/ (* 2.0 c) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
47.0ms
(- (* b b) (* (* 4.0 a) c))
80.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
72.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify69.0ms

Counts
168 → 168
Iterations

Useful iterations: 2 (49.0ms)

IterNodesCost
05453278
121142181
250022098
done50022098

prune389.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 5.4b

regimes201.0ms

Accuracy

95.9% (0.6b remaining)

Error of 6.8b against oracle of 6.2b and baseline of 21.6b

bsearch199.0ms

Steps
ItersRangePoint
5
3.355600980676121e+98
1.2784432988208537e+99
5.2633913525772375e+98
8
-2.2416054230608577e-248
-1.872794966336752e-252
-6.7247162669225565e-252
6
-1.0975144697592171e+114
-1.919867654883946e+113
-1.085320093966694e+114

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
07182
17482
27482
done7482

end0.0ms

sample882.0ms

Algorithm
intervals
Results
429.0ms8707×body80valid
130.0ms2850×body80nan