Details

Time bar (total: 4.5s)

sample486.0ms

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 5.867544%

Guaranteed chance to sample good point: 42.569946%

Results
15.0ms34×body2560valid
9.0ms182×body80valid
8.0ms38×body1280valid
4.0ms84×body80nan
2.0ms11×body640valid
1.0msbody5120valid
1.0msbody320valid
0.0msbody160valid

simplify401.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0147
1227
2257
3277
4297
5297

prune5.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 35.1b

Counts
2 → 1

localize13.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (+ (neg b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
0.6b
(- (* b_2 b_2) (* a c))
0.6b
(+ (neg b_2) (sqrt (- (* b_2 b_2) (* a c))))
24.4b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite30.0ms

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

series71.0ms

Counts
4 → 12
Calls
4 calls:
21.0ms
(/ (+ (neg b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
17.0ms
(- (* b_2 b_2) (* a c))
13.0ms
(+ (neg b_2) (sqrt (- (* b_2 b_2) (* a c))))
21.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify142.0ms

Algorithm
egg-herbie
Counts
92 → 92
Iterations

Useful iterations: 2 (32.0ms)

IterNodesCost
0338783
11216724
24971703
35001703

prune135.0ms

Filtered
69 candidates to 92 candidates (-33.3%)
Pruning

7 alts after pruning (7 fresh and 0 done)

PrunedKeptTotal
New85792
Fresh000
Picked101
Done000
Total86793

Merged error: 6.7b

Counts
93 → 7

localize11.0ms

Local error

Found 4 expressions with local error:

0.7b
(- (neg b_2) (sqrt (- (* b_2 b_2) (* a c))))
3.1b
(/ (/ (+ 0 (* a c)) (- (neg b_2) (sqrt (- (* b_2 b_2) (* a c))))) a)
10.1b
(/ (+ 0 (* a c)) (- (neg b_2) (sqrt (- (* b_2 b_2) (* a c)))))
24.4b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite51.0ms

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
(- (neg b_2) (sqrt (- (* b_2 b_2) (* a c))))
16.0ms
(/ (/ (+ 0 (* a c)) (- (neg b_2) (sqrt (- (* b_2 b_2) (* a c))))) a)
14.0ms
(/ (+ 0 (* a c)) (- (neg b_2) (sqrt (- (* b_2 b_2) (* a c)))))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series117.0ms

Counts
4 → 12
Calls
4 calls:
13.0ms
(- (neg b_2) (sqrt (- (* b_2 b_2) (* a c))))
40.0ms
(/ (/ (+ 0 (* a c)) (- (neg b_2) (sqrt (- (* b_2 b_2) (* a c))))) a)
51.0ms
(/ (+ 0 (* a c)) (- (neg b_2) (sqrt (- (* b_2 b_2) (* a c)))))
12.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify111.0ms

Algorithm
egg-herbie
Counts
218 → 218
Iterations

Useful iterations: 2 (80.0ms)

IterNodesCost
07163474
132373299
250023273

prune234.0ms

Filtered
147 candidates to 218 candidates (-48.3%)
Pruning

8 alts after pruning (7 fresh and 1 done)

PrunedKeptTotal
New2171218
Fresh066
Picked011
Done000
Total2178225

Merged error: 6.6b

Counts
225 → 8

localize12.0ms

Local error

Found 4 expressions with local error:

0.7b
(- (neg b_2) (sqrt (- (* b_2 b_2) (* a c))))
2.0b
(/ a (/ (- (neg b_2) (sqrt (- (* b_2 b_2) (* a c)))) c))
3.1b
(/ (/ a (/ (- (neg b_2) (sqrt (- (* b_2 b_2) (* a c)))) c)) a)
24.4b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite88.0ms

Algorithm
rewrite-expression-head
Rules
951×times-frac
589×add-sqr-sqrt
588×*-un-lft-identity
392×add-cube-cbrt
98×distribute-lft-out-- difference-of-squares
83×associate-/l*
52×sqrt-prod
49×distribute-rgt-neg-in
28×associate-/r*
22×div-inv
18×add-exp-log add-cbrt-cube
cbrt-undiv div-exp
add-log-exp
pow1 associate-/r/
flip3-- frac-2neg sqrt-div diff-log clear-num flip--
associate--l- neg-sub0 sub-neg rem-sqrt-square sqrt-pow1 pow1/2 neg-log associate-/l/
Counts
4 → 491
Calls
4 calls:
11.0ms
(- (neg b_2) (sqrt (- (* b_2 b_2) (* a c))))
13.0ms
(/ a (/ (- (neg b_2) (sqrt (- (* b_2 b_2) (* a c)))) c))
25.0ms
(/ (/ a (/ (- (neg b_2) (sqrt (- (* b_2 b_2) (* a c)))) c)) a)
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series121.0ms

Counts
4 → 12
Calls
4 calls:
14.0ms
(- (neg b_2) (sqrt (- (* b_2 b_2) (* a c))))
48.0ms
(/ a (/ (- (neg b_2) (sqrt (- (* b_2 b_2) (* a c)))) c))
47.0ms
(/ (/ a (/ (- (neg b_2) (sqrt (- (* b_2 b_2) (* a c)))) c)) a)
12.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify108.0ms

Algorithm
egg-herbie
Counts
503 → 503
Iterations

Useful iterations: 1 (35.0ms)

IterNodesCost
015698733
150018087

prune324.0ms

Filtered
303 candidates to 503 candidates (-66.0%)
Pruning

8 alts after pruning (7 fresh and 1 done)

PrunedKeptTotal
New5012503
Fresh156
Picked011
Done101
Total5038511

Merged error: 6.6b

Counts
511 → 8

localize12.0ms

Local error

Found 4 expressions with local error:

0.6b
(- (* b_2 b_2) (* a c))
0.7b
(- (neg b_2) (sqrt (- (* b_2 b_2) (* a c))))
13.6b
(/ (* a c) a)
24.4b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite21.0ms

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:
3.0ms
(- (* b_2 b_2) (* a c))
8.0ms
(- (neg b_2) (sqrt (- (* b_2 b_2) (* a c))))
4.0ms
(/ (* a c) a)
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series37.0ms

Counts
4 → 12
Calls
4 calls:
8.0ms
(- (* b_2 b_2) (* a c))
15.0ms
(- (neg b_2) (sqrt (- (* b_2 b_2) (* a c))))
2.0ms
(/ (* a c) a)
12.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify38.0ms

Algorithm
egg-herbie
Counts
78 → 78
Iterations

Useful iterations: 2 (31.0ms)

IterNodesCost
0297457
11304420
25001399

prune74.0ms

Filtered
57 candidates to 78 candidates (-36.8%)
Pruning

8 alts after pruning (6 fresh and 2 done)

PrunedKeptTotal
New78078
Fresh066
Picked011
Done011
Total78886

Merged error: 6.6b

Counts
86 → 8

regimes236.0ms

Accuracy

82.9% (4.5b remaining)

Error of 10.1b against oracle of 5.6b and baseline of 31.8b

bsearch60.0ms

Steps
ItersRangePoint
9
1.289478017848784e-92
3.0960733146221547e-84
2.4464565658583153e-86
8
-8.382670411051464e+140
-3.442563917519272e+136
-7.018837578197459e+139

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03515
13515

end0.0ms

sample1.6s

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 5.867544%

Guaranteed chance to sample good point: 42.569946%

Results
278.0ms1096×body2560valid
263.0ms5777×body80valid
191.0ms910×body1280valid
95.0ms2199×body80nan
72.0ms443×body640valid
38.0ms111×body5120valid
34.0ms264×body320valid
9.0ms111×body160valid

Profiling

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