Details

Time bar (total: 5.4s)

sample314.0ms

Algorithm
intervals
Results
16.0ms181×body80valid
13.0ms38×body2560valid
9.0ms31×body1280valid
5.0ms66×body80nan
3.0ms14×body640valid
2.0msbody5120valid
2.0msbody320valid
1.0msbody160valid

simplify13.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0147
1227
2257
3277
4297
5297

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 36.3b

localize12.0ms

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))))
24.8b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite64.0ms

Algorithm
rewrite-expression-head
Rules
35×*-un-lft-identity
16×add-sqr-sqrt
15×add-cube-cbrt times-frac
10×distribute-lft-out add-log-exp
add-exp-log add-cbrt-cube
pow1 distribute-rgt-neg-in associate-/l*
associate-/r* sqrt-prod
neg-sub0 associate-+l- flip3-- flip3-+ sqrt-div sum-log flip-- flip-+ associate-/l/
cbrt-undiv +-commutative sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 diff-log div-sub div-exp neg-log clear-num div-inv
Counts
4 → 80
Calls
4 calls:
32.0ms
(/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
3.0ms
(- (* b_2 b_2) (* a c))
19.0ms
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
6.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series268.0ms

Counts
4 → 12
Calls
4 calls:
91.0ms
(/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
33.0ms
(- (* b_2 b_2) (* a c))
72.0ms
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
73.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify42.0ms

Algorithm
egg-herbie
Counts
92 → 92
Iterations

Useful iterations: 2 (33.0ms)

IterNodesCost
0358790
11261727
25001705

prune231.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 4.8b

localize12.0ms

Local error

Found 4 expressions with local error:

1.0b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
3.6b
(/ (/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) a)
9.0b
(/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
24.8b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite97.0ms

Algorithm
rewrite-expression-head
Rules
186×times-frac
158×add-sqr-sqrt
157×*-un-lft-identity
89×add-cube-cbrt
34×distribute-lft-out-- difference-of-squares
30×associate-/l*
20×sqrt-prod
17×distribute-rgt-neg-in
11×add-exp-log add-cbrt-cube
10×associate-/r* associate-/r/
add-log-exp
flip3-- flip--
div-inv
pow1
cbrt-undiv div-exp
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 → 206
Calls
4 calls:
12.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
41.0ms
(/ (/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) a)
28.0ms
(/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series439.0ms

Counts
4 → 12
Calls
4 calls:
70.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
141.0ms
(/ (/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) a)
169.0ms
(/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
58.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify114.0ms

Algorithm
egg-herbie
Counts
218 → 218
Iterations

Useful iterations: 2 (86.0ms)

IterNodesCost
07413477
133293295
250013269

prune490.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 4.8b

localize12.0ms

Local error

Found 4 expressions with local error:

0.4b
(/ 1 (* (/ a (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
1.0b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
12.2b
(/ a (* a c))
24.8b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite57.0ms

Algorithm
rewrite-expression-head
Rules
43×add-exp-log
23×add-cbrt-cube
16×div-exp
14×add-sqr-sqrt
13×*-un-lft-identity prod-exp
add-cube-cbrt
pow1 cbrt-undiv add-log-exp
times-frac associate-/l*
associate-/r/ cbrt-unprod
rec-exp flip3-- 1-exp sqrt-prod flip--
frac-times pow-flip frac-2neg sqrt-div diff-log associate-*r/ clear-num associate-/r* div-inv distribute-lft-out-- difference-of-squares
associate--l- neg-sub0 sub-neg rem-sqrt-square distribute-rgt-neg-in sqrt-pow1 pow1/2 pow-prod-down neg-log associate-*l/ inv-pow
Counts
4 → 95
Calls
4 calls:
34.0ms
(/ 1 (* (/ a (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
14.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
3.0ms
(/ a (* a c))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series270.0ms

Counts
4 → 12
Calls
4 calls:
135.0ms
(/ 1 (* (/ a (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
68.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
6.0ms
(/ a (* a c))
60.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify61.0ms

Algorithm
egg-herbie
Counts
107 → 107
Iterations

Useful iterations: 2 (52.0ms)

IterNodesCost
0498912
12299708
25001691

prune206.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 4.8b

localize9.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ c (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
0.2b
(- (* b_2 b_2) (* a c))
1.0b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
24.8b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite44.0ms

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-/r*
add-exp-log add-cbrt-cube
pow1 distribute-rgt-neg-in
flip3-- flip--
diff-log associate-/l*
sub-neg sqrt-div associate-/r/
cbrt-undiv associate--l- neg-sub0 rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-exp neg-log clear-num div-inv
Counts
4 → 90
Calls
4 calls:
23.0ms
(/ c (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
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)))

series319.0ms

Counts
4 → 12
Calls
4 calls:
161.0ms
(/ c (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
34.0ms
(- (* b_2 b_2) (* a c))
67.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
57.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify150.0ms

Algorithm
egg-herbie
Counts
102 → 102
Iterations

Useful iterations: 2 (29.0ms)

IterNodesCost
0326944
11140882
24781868
35002868

prune188.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 4.8b

regimes169.0ms

Accuracy

96.7% (0.8b remaining)

Error of 6.7b against oracle of 5.9b and baseline of 29.9b

bsearch190.0ms

Steps
ItersRangePoint
10
9.168682727753708e+124
1.4581761209996442e+140
9.792086348653723e+126
10
7.390461352903605e-258
6.899183211307731e-244
7.484772368654571e-258
8
-4.003837004793086e+154
-2.2826144912851317e+150
-1.9721792334777768e+151

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03521
13521

end0.0ms

sample1.7s

Algorithm
intervals
Results
436.0ms5832×body80valid
356.0ms1078×body2560valid
240.0ms858×body1280valid
191.0ms2694×body80nan
106.0ms461×body640valid
39.0ms223×body320valid
38.0ms96×body5120valid
13.0ms105×body160valid