Details

Time bar (total: 4.8s)

sample277.0ms

Algorithm
intervals
Results
6.0ms35×body2560valid
6.0ms33×body1280valid
6.0ms181×body80valid
3.0ms92×body80nan
2.0ms17×body640valid
1.0msbody5120valid
1.0msbody320valid
0.0msbody160valid

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: 37.0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
0.6b
(- (* b_2 b_2) (* a c))
1.0b
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
23.8b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite31.0ms

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:
10.0ms
(/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
3.0ms
(- (* b_2 b_2) (* a c))
8.0ms
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
6.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series276.0ms

Counts
4 → 12
Calls
4 calls:
91.0ms
(/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
34.0ms
(- (* b_2 b_2) (* a c))
74.0ms
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
76.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify47.0ms

Algorithm
egg-herbie
Counts
92 → 92
Iterations

Useful iterations: 2 (34.0ms)

IterNodesCost
0358790
11261727
25001705

prune245.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 7.0b

localize12.0ms

Local error

Found 4 expressions with local error:

1.6b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
4.2b
(/ (/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) a)
11.5b
(/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
23.8b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite55.0ms

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:
8.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
16.0ms
(/ (/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) a)
12.0ms
(/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series440.0ms

Counts
4 → 12
Calls
4 calls:
69.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
142.0ms
(/ (/ (+ 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)))))
59.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify116.0ms

Algorithm
egg-herbie
Counts
218 → 218
Iterations

Useful iterations: 2 (87.0ms)

IterNodesCost
07413477
133293295
250013269

prune523.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 6.9b

localize13.0ms

Local error

Found 4 expressions with local error:

1.6b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
4.2b
(* (/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) (/ 1 a))
11.5b
(/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
23.8b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite56.0ms

Algorithm
rewrite-expression-head
Rules
85×add-sqr-sqrt
69×*-un-lft-identity
58×times-frac
35×add-cube-cbrt
28×add-exp-log
27×associate-*l*
18×add-cbrt-cube
16×distribute-lft-out-- difference-of-squares
13×associate-*r*
11×sqrt-prod
div-exp
distribute-rgt-neg-in prod-exp add-log-exp
pow1 associate-/r*
unswap-sqr
cbrt-undiv
flip3-- associate-/r/ flip-- cbrt-unprod
div-inv associate-/l*
rec-exp sqrt-div diff-log 1-exp associate-/l/
associate--l- neg-sub0 frac-times sub-neg rem-sqrt-square frac-2neg sqrt-pow1 flip3-+ pow1/2 associate-*r/ pow-prod-down neg-log associate-*l/ clear-num un-div-inv *-commutative flip-+
Counts
4 → 151
Calls
4 calls:
8.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
21.0ms
(* (/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) (/ 1 a))
16.0ms
(/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series451.0ms

Counts
4 → 12
Calls
4 calls:
72.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
142.0ms
(* (/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) (/ 1 a))
173.0ms
(/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
63.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify111.0ms

Algorithm
egg-herbie
Counts
163 → 163
Iterations

Useful iterations: 2 (93.0ms)

IterNodesCost
07112040
133381826
250011813

prune405.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 6.9b

localize12.0ms

Local error

Found 4 expressions with local error:

0.6b
(- (* b_2 b_2) (* a c))
1.6b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
16.1b
(/ (* a c) a)
23.8b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite22.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt
11×*-un-lft-identity
10×add-log-exp
add-exp-log add-cbrt-cube
add-cube-cbrt
pow1
sqrt-prod
flip3-- times-frac diff-log associate-/r* flip--
cbrt-undiv sub-neg sqrt-div div-exp distribute-lft-out-- difference-of-squares
associate--l- neg-sub0 rem-sqrt-square distribute-rgt-neg-in frac-2neg sqrt-pow1 pow1/2 neg-log prod-exp clear-num cbrt-unprod div-inv associate-/l*
Counts
4 → 66
Calls
4 calls:
4.0ms
(- (* b_2 b_2) (* a c))
8.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
4.0ms
(/ (* a c) a)
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series171.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(- (* b_2 b_2) (* a c))
71.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
6.0ms
(/ (* a c) a)
62.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify38.0ms

Algorithm
egg-herbie
Counts
78 → 78
Iterations

Useful iterations: 2 (32.0ms)

IterNodesCost
0301458
11316420
25002400

prune185.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 6.9b

regimes185.0ms

Accuracy

87.8% (3.3b remaining)

Error of 8.9b against oracle of 5.6b and baseline of 32.5b

bsearch78.0ms

Steps
ItersRangePoint
3
5.062782482725967e+112
6.853081242536654e+112
5.174676155214135e+112
2
-9.893319725742429e-275
-9.099256253469455e-275
-9.198514187503577e-275
9
-1.7523220282583258e+27
-2.534584590737501e+21
-1.7289388930153844e+27

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04526
14526

end0.0ms

sample972.0ms

Algorithm
intervals
Results
198.0ms1057×body2560valid
185.0ms5833×body80valid
132.0ms878×body1280valid
88.0ms2890×body80nan
59.0ms458×body640valid
32.0ms138×body5120valid
24.0ms245×body320valid
6.0ms97×body160valid