Details

Time bar (total: 14.2s)

sample172.0ms

Algorithm
intervals
Results
20.0ms38×body2560valid
18.0ms190×body80valid
16.0ms36×body1280valid
6.0ms79×body80nan
4.0ms11×body640valid
2.0msbody5120valid
2.0msbody320valid
0.0msbody160valid

simplify116.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (18.0ms)

IterNodesCost
01013
11513
22312
33012
43212
53412
done3412

prune19.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.2b

localize64.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
0.2b
(- (* b_2 b_2) (* a c))
0.8b
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
21.3b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite344.0ms

Algorithm
rewrite-expression-head
Rules
38×*-un-lft-identity
19×add-sqr-sqrt
18×add-cube-cbrt
15×times-frac
10×fma-def distribute-lft-out add-log-exp
distribute-rgt-neg-in
add-exp-log add-cbrt-cube
pow1 associate-/l*
expm1-log1p-u log1p-expm1-u
distribute-lft-neg-in associate-/r* sqrt-prod
neg-sub0 associate-+l- flip3-- flip3-+ sqrt-div sum-log flip-- flip-+ associate-/l/
cbrt-undiv +-commutative neg-mul-1 sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 fma-neg diff-log div-sub div-exp prod-diff neg-log clear-num div-inv
Counts
4 → 100
Calls
4 calls:
143.0ms
(/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
17.0ms
(- (* b_2 b_2) (* a c))
114.0ms
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
61.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series505.0ms

Counts
4 → 12
Calls
4 calls:
117.0ms
(/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
48.0ms
(- (* b_2 b_2) (* a c))
149.0ms
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
190.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.2s

Counts
112 → 112
Iterations

Useful iterations: done (1.2s)

IterNodesCost
01641638
14051539
216681355
done50001344

prune407.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 5.6b

localize17.0ms

Local error

Found 4 expressions with local error:

0.4b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
4.9b
(/ (/ (+ 0 (* c a)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) a)
7.7b
(/ (+ 0 (* c a)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
21.3b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite322.0ms

Algorithm
rewrite-expression-head
Rules
199×add-sqr-sqrt
198×*-un-lft-identity
186×times-frac
130×add-cube-cbrt
60×prod-diff
50×sqrt-prod
38×distribute-rgt-neg-in
34×distribute-lft-out-- difference-of-squares
30×associate-/l*
21×distribute-lft-neg-in
11×add-exp-log add-cbrt-cube
10×fma-neg associate-/r* associate-/r/
add-log-exp
neg-mul-1 flip3-- flip--
div-inv
pow1
cbrt-undiv expm1-log1p-u div-exp log1p-expm1-u
associate-/l/
frac-2neg sqrt-div diff-log clear-num
associate--l- neg-sub0 sub-neg rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 neg-log flip-+
Counts
4 → 284
Calls
4 calls:
35.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
140.0ms
(/ (/ (+ 0 (* c a)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) a)
88.0ms
(/ (+ 0 (* c a)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
21.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series766.0ms

Counts
4 → 12
Calls
4 calls:
82.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
291.0ms
(/ (/ (+ 0 (* c a)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) a)
281.0ms
(/ (+ 0 (* c a)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
112.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify605.0ms

Counts
296 → 296
Iterations

Useful iterations: done (594.0ms)

IterNodesCost
039010604
19748179
done50007437

prune1.1s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 5.5b

localize25.0ms

Local error

Found 4 expressions with local error:

0.4b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
4.9b
(/ (* (+ 0 (* c a)) (/ 1 (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))) a)
7.7b
(* (+ 0 (* c a)) (/ 1 (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
21.3b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite326.0ms

Algorithm
rewrite-expression-head
Rules
84×add-sqr-sqrt
77×*-un-lft-identity
60×add-cube-cbrt prod-diff
37×sqrt-prod
28×add-exp-log
27×associate-*r*
26×times-frac
25×distribute-rgt-neg-in
21×distribute-lft-neg-in
18×add-cbrt-cube
10×fma-neg
div-exp
prod-exp distribute-lft-out-- add-log-exp difference-of-squares
pow1 neg-mul-1
associate-/l/
cbrt-undiv
expm1-log1p-u frac-times flip3-+ associate-*l/ cbrt-unprod flip-+ log1p-expm1-u
flip3-- associate-*l* associate-/r* flip-- unswap-sqr
rec-exp sqrt-div diff-log 1-exp associate-*r/ associate-/r/ un-div-inv div-inv
associate--l- neg-sub0 sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 pow-prod-down neg-log clear-num *-commutative associate-/l*
Counts
4 → 196
Calls
4 calls:
60.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
77.0ms
(/ (* (+ 0 (* c a)) (/ 1 (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))) a)
160.0ms
(* (+ 0 (* c a)) (/ 1 (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
12.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series765.0ms

Counts
4 → 12
Calls
4 calls:
98.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
336.0ms
(/ (* (+ 0 (* c a)) (/ 1 (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))) a)
235.0ms
(* (+ 0 (* c a)) (/ 1 (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
96.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify674.0ms

Counts
208 → 208
Iterations

Useful iterations: done (661.0ms)

IterNodesCost
03206943
18554840
done50004022

prune742.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 5.5b

localize38.0ms

Local error

Found 4 expressions with local error:

8.8b
(sqrt (/ (* a c) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
8.8b
(sqrt (/ (* a c) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
21.3b
(sqrt (- (* b_2 b_2) (* a c)))
21.3b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite175.0ms

Algorithm
rewrite-expression-head
Rules
34×sqrt-prod
22×add-sqr-sqrt
18×*-un-lft-identity
14×times-frac
10×add-cube-cbrt
pow1
sqrt-div
add-exp-log expm1-log1p-u rem-sqrt-square flip3-- sqrt-pow1 pow1/2 associate-/r/ add-cbrt-cube flip-- log1p-expm1-u distribute-lft-out-- add-log-exp difference-of-squares
distribute-rgt-neg-in div-inv
Counts
4 → 86
Calls
4 calls:
65.0ms
(sqrt (/ (* a c) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
59.0ms
(sqrt (/ (* a c) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
23.0ms
(sqrt (- (* b_2 b_2) (* a c)))
23.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series845.0ms

Counts
4 → 12
Calls
4 calls:
367.0ms
(sqrt (/ (* a c) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
295.0ms
(sqrt (/ (* a c) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
109.0ms
(sqrt (- (* b_2 b_2) (* a c)))
73.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.1s

Counts
98 → 98
Iterations

Useful iterations: done (1.0s)

IterNodesCost
01311862
13061648
212501584
done50021564

prune593.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 5.5b

regimes213.0ms

Accuracy

83.3% (4.5b remaining)

Error of 10.4b against oracle of 5.9b and baseline of 33.0b

bsearch181.0ms

Steps
ItersRangePoint
9
3.58845601849977e-79
3.3299624871078663e-72
4.603517726908401e-74
9
-4.955433086253459e+131
-5.661938264600021e+124
-3.4127765686872833e+126

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02537
13037
done3037

end0.0ms

sample2.9s

Algorithm
intervals
Results
843.0ms903×body1280valid
498.0ms1056×body2560valid
475.0ms5921×body80valid
297.0ms2891×body80nan
98.0ms460×body640valid
77.0ms85×body5120valid
41.0ms221×body320valid
13.0ms119×body160valid