Details

Time bar (total: 9.4s)

sample38.0ms

Algorithm
intervals
Results
9.0ms33×body2560valid
6.0ms38×body1280valid
6.0ms177×body80valid
2.0ms21×body640valid
2.0ms79×body80nan
1.0msbody5120valid
1.0msbody320valid
0.0msbody160valid

simplify15.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01013
11813
23213
34013
44213
done4213

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 37.7b

localize9.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
0.4b
(- (* b_2 b_2) (* a c))
1.7b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
23.9b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite57.0ms

Algorithm
rewrite-expression-head
Rules
38×add-sqr-sqrt
37×*-un-lft-identity
21×times-frac
17×add-cube-cbrt
10×distribute-lft-out-- add-log-exp difference-of-squares
sqrt-prod
associate-/l*
add-exp-log add-cbrt-cube
pow1 distribute-rgt-neg-in
flip3-- flip--
diff-log associate-/r*
sub-neg sqrt-div associate-/l/
cbrt-undiv associate--l- neg-sub0 rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub div-exp neg-log clear-num div-inv
Counts
4 → 91
Calls
4 calls:
35.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
3.0ms
(- (* b_2 b_2) (* a c))
12.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series243.0ms

Counts
4 → 12
Calls
4 calls:
82.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
36.0ms
(- (* b_2 b_2) (* a c))
64.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
60.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.7s

Counts
103 → 103
Iterations

Useful iterations: done (1.7s)

IterNodesCost
01561821
13681727
29971611
331811595
done50001594

prune244.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 6.0b

localize10.0ms

Local error

Found 4 expressions with local error:

0.4b
(- (* b_2 b_2) (* a c))
4.5b
(/ (/ (+ (* a c) 0) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) a)
9.7b
(/ (+ (* a c) 0) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
23.9b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite85.0ms

Algorithm
rewrite-expression-head
Rules
162×times-frac
146×add-sqr-sqrt
113×*-un-lft-identity
81×add-cube-cbrt
32×difference-of-squares
27×associate-/l*
19×sqrt-prod
16×distribute-lft-out--
11×add-exp-log add-cbrt-cube
10×associate-/r/
associate-/r*
flip3-- flip--
div-inv add-log-exp
pow1
cbrt-undiv div-exp
associate-/l/
frac-2neg sqrt-div clear-num
sub-neg rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 diff-log flip-+
Counts
4 → 184
Calls
4 calls:
2.0ms
(- (* b_2 b_2) (* a c))
42.0ms
(/ (/ (+ (* a c) 0) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) a)
28.0ms
(/ (+ (* a c) 0) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series421.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(- (* b_2 b_2) (* a c))
148.0ms
(/ (/ (+ (* a c) 0) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) a)
180.0ms
(/ (+ (* a c) 0) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
60.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify930.0ms

Counts
196 → 196
Iterations

Useful iterations: done (924.0ms)

IterNodesCost
03025540
17204790
225964614
done50014612

prune470.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 6.0b

localize11.0ms

Local error

Found 4 expressions with local error:

0.4b
(- (* b_2 b_2) (* a c))
4.5b
(* (/ (+ (* a c) 0) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) (/ 1 a))
9.7b
(/ (+ (* a c) 0) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
23.9b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite103.0ms

Algorithm
rewrite-expression-head
Rules
79×add-sqr-sqrt
52×times-frac
49×*-un-lft-identity
33×add-cube-cbrt
28×add-exp-log
24×associate-*l*
18×add-cbrt-cube
14×difference-of-squares
13×associate-*r*
10×sqrt-prod
div-exp
prod-exp
pow1 distribute-lft-out--
associate-/r* add-log-exp unswap-sqr
cbrt-undiv
flip3-- associate-/r/ flip-- cbrt-unprod
div-inv associate-/l*
rec-exp sqrt-div 1-exp associate-/l/
frac-times sub-neg rem-sqrt-square frac-2neg sqrt-pow1 flip3-+ pow1/2 diff-log associate-*r/ pow-prod-down associate-*l/ clear-num un-div-inv *-commutative flip-+
Counts
4 → 138
Calls
4 calls:
3.0ms
(- (* b_2 b_2) (* a c))
61.0ms
(* (/ (+ (* a c) 0) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) (/ 1 a))
27.0ms
(/ (+ (* a c) 0) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series422.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(- (* b_2 b_2) (* a c))
152.0ms
(* (/ (+ (* a c) 0) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) (/ 1 a))
181.0ms
(/ (+ (* a c) 0) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
57.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify884.0ms

Counts
150 → 150
Iterations

Useful iterations: done (880.0ms)

IterNodesCost
02483414
16912886
222172588
done50002586

prune354.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 6.0b

localize10.0ms

Local error

Found 4 expressions with local error:

0.2b
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
0.4b
(- (* b_2 b_2) (* a c))
14.7b
(/ (* a c) a)
23.9b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt
add-exp-log *-un-lft-identity add-cbrt-cube
add-log-exp
add-cube-cbrt
pow1
sqrt-prod
flip3-- times-frac associate-/r* flip--
cbrt-undiv sub-neg sqrt-div diff-log div-exp difference-of-squares
rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 prod-exp clear-num cbrt-unprod div-inv associate-/l* distribute-lft-out--
Counts
4 → 63
Calls
4 calls:
18.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
2.0ms
(- (* b_2 b_2) (* a c))
3.0ms
(/ (* a c) a)
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series169.0ms

Counts
4 → 12
Calls
4 calls:
69.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
34.0ms
(- (* b_2 b_2) (* a c))
6.0ms
(/ (* a c) a)
60.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.8s

Counts
75 → 75
Iterations

Useful iterations: 3 (830.0ms)

IterNodesCost
0125880
1282798
2927698
33340694
done5001694

prune166.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 6.0b

regimes129.0ms

Accuracy

95.2% (1.2b remaining)

Error of 6.9b against oracle of 5.7b and baseline of 29.7b

bsearch141.0ms

Steps
ItersRangePoint
8
1.5276508475467709e+44
4.1560730947117816e+46
9.965676396086742e+45
8
-3.876848940398081e-247
-7.459891070112096e-252
-7.593271511213179e-252
9
-1.829086240692416e+154
-8.160318760930525e+144
-1.528293454654968e+148

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03459
14159
done4159

end0.0ms

sample979.0ms

Algorithm
intervals
Results
213.0ms1075×body2560valid
185.0ms5860×body80valid
144.0ms904×body1280valid
89.0ms2862×body80nan
55.0ms457×body640valid
27.0ms114×body5120valid
19.0ms211×body320valid
7.0ms120×body160valid