Details

Time bar (total: 25.6s)

sample458.0ms

Algorithm
intervals
Results
149.0ms133×body10240exit
113.0ms113×body1280valid
52.0ms78×body640valid
41.0ms53×body1280nan
19.0ms42×body320valid
18.0ms25×body640nan
11.0ms19×body320nan
5.0ms16×body160valid
2.0msbody160nan
2.0ms10×body80valid
1.0msbody80nan

simplify75.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 2 (15.0ms)

IterNodesCost
013348
145548
2279747
3500147

prune19.0ms

Filtered
1 candidates to 1 candidates (100.0%)
Pruning

1 alts after pruning (1 fresh and 0 done)

PrunedKeptTotal
New101
Fresh011
Picked000
Done000
Total112

Merged error: 62.0b

Counts
2 → 1

localize49.0ms

Local error

Found 4 expressions with local error:

0.1b
(exp (- (+ (+ (- z 1.0) 7.0) 0.5)))
1.0b
(* (sqrt (* PI 2.0)) (pow (+ (+ (- z 1.0) 7.0) 0.5) (+ (- z 1.0) 0.5)))
1.0b
(sqrt (* PI 2.0))
4.7b
(+ (- z 1.0) 1.0)

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
51×*-un-lft-identity
24×add-sqr-sqrt
20×add-log-exp
17×add-cube-cbrt distribute-lft-out
16×exp-prod
11×associate-+l+ associate-*r*
add-exp-log prod-diff
pow1 unpow-prod-down sum-log
distribute-lft-neg-in distribute-rgt-neg-in add-cbrt-cube
fma-def rem-exp-log distribute-lft-out--
expm1-log1p-u associate-*l* neg-log log1p-expm1-u
prod-exp unswap-sqr
associate-+l- sqrt-pow1 diff-log sqrt-prod sqr-pow
unpow-prod-up +-commutative neg-sub0 exp-neg pow-to-exp neg-mul-1 sub-neg distribute-neg-in flip3-+ pow1/2 exp-diff associate-*r/ exp-sum pow-prod-down pow-exp *-commutative cbrt-unprod flip-+ pow-sub difference-of-squares
Counts
4 → 112
Calls
4 calls:
11.0ms
(exp (- (+ (+ (- z 1.0) 7.0) 0.5)))
19.0ms
(* (sqrt (* PI 2.0)) (pow (+ (+ (- z 1.0) 7.0) 0.5) (+ (- z 1.0) 0.5)))
3.0ms
(sqrt (* PI 2.0))
9.0ms
(+ (- z 1.0) 1.0)

series317.0ms

Counts
4 → 10
Calls
4 calls:
17.0ms
(exp (- (+ (+ (- z 1.0) 7.0) 0.5)))
283.0ms
(* (sqrt (* PI 2.0)) (pow (+ (+ (- z 1.0) 7.0) 0.5) (+ (- z 1.0) 0.5)))
0.0ms
(sqrt (* PI 2.0))
16.0ms
(+ (- z 1.0) 1.0)

simplify73.0ms

Algorithm
egg-herbie
Counts
122 → 122
Iterations

Useful iterations: 2 (63.0ms)

IterNodesCost
0595823
12400692
25001670

prune1.0s

Filtered
122 candidates to 89 candidates (73.0%)
Pruning

6 alts after pruning (6 fresh and 0 done)

PrunedKeptTotal
New1166122
Fresh000
Picked101
Done000
Total1176123

Merged error: 1.2b

Counts
123 → 6

localize52.0ms

Local error

Found 4 expressions with local error:

0.1b
(exp (- (+ (+ (- z 1.0) 7.0) 0.5)))
1.0b
(* (sqrt (* PI 2.0)) (pow (+ (+ (- z 1.0) 7.0) 0.5) (+ (- z 1.0) 0.5)))
1.0b
(* (* (* (sqrt (* PI 2.0)) (pow (+ (+ (- z 1.0) 7.0) 0.5) (+ (- z 1.0) 0.5))) (exp (- (+ (+ (- z 1.0) 7.0) 0.5)))) (+ (+ (+ (+ (+ (+ (+ (+ 0.9999999999998099 (/ 676.5203681218851 (* 1 z))) (/ -1259.1392167224028 (+ (- z 1.0) 2.0))) (/ 771.3234287776531 (+ (- z 1.0) 3.0))) (/ -176.6150291621406 (+ (- z 1.0) 4.0))) (/ 12.507343278686905 (+ (- z 1.0) 5.0))) (/ -0.13857109526572012 (+ (- z 1.0) 6.0))) (/ 9.984369578019572e-06 (+ (- z 1.0) 7.0))) (/ 1.5056327351493116e-07 (+ (- z 1.0) 8.0))))
1.0b
(sqrt (* PI 2.0))

rewrite211.0ms

Algorithm
rewrite-expression-head
Rules
392×frac-add
130×frac-times
102×associate-*r/
82×*-un-lft-identity
56×flip3-+ flip-+
52×exp-neg associate-+l- pow-sub
51×distribute-lft-out
35×neg-sub0 exp-diff
23×associate-*l/
22×associate-*r*
21×add-exp-log
17×un-div-inv
16×add-sqr-sqrt exp-prod
15×prod-exp add-cbrt-cube add-log-exp
12×pow1
11×add-cube-cbrt
unpow-prod-down cbrt-unprod
distribute-lft-neg-in distribute-rgt-neg-in
associate-*l* sum-log rem-exp-log
expm1-log1p-u pow-prod-down neg-log log1p-expm1-u
distribute-lft-out-- unswap-sqr
pow-to-exp sqrt-pow1 pow-exp sqrt-prod *-commutative sqr-pow
unpow-prod-up distribute-rgt-in neg-mul-1 distribute-neg-in distribute-lft-in pow1/2 diff-log exp-sum
Counts
4 → 231
Calls
4 calls:
11.0ms
(exp (- (+ (+ (- z 1.0) 7.0) 0.5)))
19.0ms
(* (sqrt (* PI 2.0)) (pow (+ (+ (- z 1.0) 7.0) 0.5) (+ (- z 1.0) 0.5)))
156.0ms
(* (* (* (sqrt (* PI 2.0)) (pow (+ (+ (- z 1.0) 7.0) 0.5) (+ (- z 1.0) 0.5))) (exp (- (+ (+ (- z 1.0) 7.0) 0.5)))) (+ (+ (+ (+ (+ (+ (+ (+ 0.9999999999998099 (/ 676.5203681218851 (* 1 z))) (/ -1259.1392167224028 (+ (- z 1.0) 2.0))) (/ 771.3234287776531 (+ (- z 1.0) 3.0))) (/ -176.6150291621406 (+ (- z 1.0) 4.0))) (/ 12.507343278686905 (+ (- z 1.0) 5.0))) (/ -0.13857109526572012 (+ (- z 1.0) 6.0))) (/ 9.984369578019572e-06 (+ (- z 1.0) 7.0))) (/ 1.5056327351493116e-07 (+ (- z 1.0) 8.0))))
3.0ms
(sqrt (* PI 2.0))

series957.0ms

Counts
4 → 10
Calls
4 calls:
25.0ms
(exp (- (+ (+ (- z 1.0) 7.0) 0.5)))
295.0ms
(* (sqrt (* PI 2.0)) (pow (+ (+ (- z 1.0) 7.0) 0.5) (+ (- z 1.0) 0.5)))
636.0ms
(* (* (* (sqrt (* PI 2.0)) (pow (+ (+ (- z 1.0) 7.0) 0.5) (+ (- z 1.0) 0.5))) (exp (- (+ (+ (- z 1.0) 7.0) 0.5)))) (+ (+ (+ (+ (+ (+ (+ (+ 0.9999999999998099 (/ 676.5203681218851 (* 1 z))) (/ -1259.1392167224028 (+ (- z 1.0) 2.0))) (/ 771.3234287776531 (+ (- z 1.0) 3.0))) (/ -176.6150291621406 (+ (- z 1.0) 4.0))) (/ 12.507343278686905 (+ (- z 1.0) 5.0))) (/ -0.13857109526572012 (+ (- z 1.0) 6.0))) (/ 9.984369578019572e-06 (+ (- z 1.0) 7.0))) (/ 1.5056327351493116e-07 (+ (- z 1.0) 8.0))))
0.0ms
(sqrt (* PI 2.0))

simplify328.0ms

Algorithm
egg-herbie
Counts
241 → 241
Iterations

Useful iterations: 1 (68.0ms)

IterNodesCost
0385624889
1500124763

prune2.1s

Filtered
241 candidates to 148 candidates (61.4%)
Pruning

11 alts after pruning (11 fresh and 0 done)

PrunedKeptTotal
New23011241
Fresh505
Picked101
Done000
Total23611247

Merged error: 0.1b

Counts
247 → 11

localize54.0ms

Local error

Found 4 expressions with local error:

1.0b
(* (sqrt (* PI 2.0)) (pow (+ (+ (- z 1.0) 7.0) 0.5) (+ (- z 1.0) 0.5)))
1.0b
(* (* (exp (log (* (sqrt (* PI 2.0)) (pow (+ (+ (- z 1.0) 7.0) 0.5) (+ (- z 1.0) 0.5))))) (exp (- (+ (+ (- z 1.0) 7.0) 0.5)))) (+ (+ (+ (+ (+ (+ (+ (+ 0.9999999999998099 (/ 676.5203681218851 (* 1 z))) (/ -1259.1392167224028 (+ (- z 1.0) 2.0))) (/ 771.3234287776531 (+ (- z 1.0) 3.0))) (/ -176.6150291621406 (+ (- z 1.0) 4.0))) (/ 12.507343278686905 (+ (- z 1.0) 5.0))) (/ -0.13857109526572012 (+ (- z 1.0) 6.0))) (/ 9.984369578019572e-06 (+ (- z 1.0) 7.0))) (/ 1.5056327351493116e-07 (+ (- z 1.0) 8.0))))
1.0b
(sqrt (* PI 2.0))
1.6b
(log (* (sqrt (* PI 2.0)) (pow (+ (+ (- z 1.0) 7.0) 0.5) (+ (- z 1.0) 0.5))))

rewrite219.0ms

Algorithm
rewrite-expression-head
Rules
392×frac-add
130×frac-times
103×associate-*r/
85×exp-diff
61×*-un-lft-identity
56×flip3-+ flip-+
53×associate-+l- pow-sub
52×log-div
51×exp-neg
41×distribute-lft-out
34×neg-sub0
23×associate-*l/
22×associate-*r*
18×add-exp-log
17×un-div-inv
13×pow1 add-sqr-sqrt
11×add-cbrt-cube
prod-exp
add-cube-cbrt
unpow-prod-down
associate-*l*
expm1-log1p-u rem-log-exp pow-prod-down cbrt-unprod log1p-expm1-u add-log-exp
unswap-sqr
pow-to-exp sqrt-pow1 pow-exp sqrt-prod *-commutative sqr-pow
unpow-prod-up distribute-rgt-in log-prod distribute-lft-in pow1/2 log-pow distribute-lft-out--
Counts
4 → 210
Calls
4 calls:
19.0ms
(* (sqrt (* PI 2.0)) (pow (+ (+ (- z 1.0) 7.0) 0.5) (+ (- z 1.0) 0.5)))
159.0ms
(* (* (exp (log (* (sqrt (* PI 2.0)) (pow (+ (+ (- z 1.0) 7.0) 0.5) (+ (- z 1.0) 0.5))))) (exp (- (+ (+ (- z 1.0) 7.0) 0.5)))) (+ (+ (+ (+ (+ (+ (+ (+ 0.9999999999998099 (/ 676.5203681218851 (* 1 z))) (/ -1259.1392167224028 (+ (- z 1.0) 2.0))) (/ 771.3234287776531 (+ (- z 1.0) 3.0))) (/ -176.6150291621406 (+ (- z 1.0) 4.0))) (/ 12.507343278686905 (+ (- z 1.0) 5.0))) (/ -0.13857109526572012 (+ (- z 1.0) 6.0))) (/ 9.984369578019572e-06 (+ (- z 1.0) 7.0))) (/ 1.5056327351493116e-07 (+ (- z 1.0) 8.0))))
3.0ms
(sqrt (* PI 2.0))
17.0ms
(log (* (sqrt (* PI 2.0)) (pow (+ (+ (- z 1.0) 7.0) 0.5) (+ (- z 1.0) 0.5))))

series1.5s

Counts
4 → 10
Calls
4 calls:
328.0ms
(* (sqrt (* PI 2.0)) (pow (+ (+ (- z 1.0) 7.0) 0.5) (+ (- z 1.0) 0.5)))
652.0ms
(* (* (exp (log (* (sqrt (* PI 2.0)) (pow (+ (+ (- z 1.0) 7.0) 0.5) (+ (- z 1.0) 0.5))))) (exp (- (+ (+ (- z 1.0) 7.0) 0.5)))) (+ (+ (+ (+ (+ (+ (+ (+ 0.9999999999998099 (/ 676.5203681218851 (* 1 z))) (/ -1259.1392167224028 (+ (- z 1.0) 2.0))) (/ 771.3234287776531 (+ (- z 1.0) 3.0))) (/ -176.6150291621406 (+ (- z 1.0) 4.0))) (/ 12.507343278686905 (+ (- z 1.0) 5.0))) (/ -0.13857109526572012 (+ (- z 1.0) 6.0))) (/ 9.984369578019572e-06 (+ (- z 1.0) 7.0))) (/ 1.5056327351493116e-07 (+ (- z 1.0) 8.0))))
0.0ms
(sqrt (* PI 2.0))
513.0ms
(log (* (sqrt (* PI 2.0)) (pow (+ (+ (- z 1.0) 7.0) 0.5) (+ (- z 1.0) 0.5))))

simplify335.0ms

Algorithm
egg-herbie
Counts
220 → 220
Iterations

Useful iterations: 1 (71.0ms)

IterNodesCost
0387224734
1500224579

prune2.1s

Filtered
220 candidates to 135 candidates (61.4%)
Pruning

11 alts after pruning (10 fresh and 1 done)

PrunedKeptTotal
New2164220
Fresh4610
Picked011
Done000
Total22011231

Merged error: 0.1b

Counts
231 → 11

localize62.0ms

Local error

Found 4 expressions with local error:

1.0b
(* (pow (/ 1 (pow 6.5 1.0)) 0.5) (sqrt PI))
1.0b
(* (pow (/ 1 (pow 6.5 1.0)) 0.5) (sqrt PI))
1.0b
(* (pow (/ 1 (pow 6.5 1.0)) 0.5) (sqrt PI))
1.0b
(* (pow (/ 1 (pow 6.5 1.0)) 0.5) (sqrt PI))

rewrite83.0ms

Algorithm
rewrite-expression-head
Rules
216×add-sqr-sqrt
208×unpow-prod-down
132×times-frac
116×associate-*l*
96×add-exp-log *-un-lft-identity
72×add-cube-cbrt unswap-sqr
52×pow-exp
48×prod-exp sqrt-prod
40×sqr-pow
24×div-exp associate-*r*
16×pow-to-exp
12×rec-exp 1-exp add-cbrt-cube
pow1 expm1-log1p-u *-commutative cbrt-unprod log1p-expm1-u div-inv add-log-exp
Counts
4 → 304
Calls
4 calls:
15.0ms
(* (pow (/ 1 (pow 6.5 1.0)) 0.5) (sqrt PI))
20.0ms
(* (pow (/ 1 (pow 6.5 1.0)) 0.5) (sqrt PI))
15.0ms
(* (pow (/ 1 (pow 6.5 1.0)) 0.5) (sqrt PI))
15.0ms
(* (pow (/ 1 (pow 6.5 1.0)) 0.5) (sqrt PI))

series0.0ms

Counts
4 → 4
Calls
4 calls:
0.0ms
(* (pow (/ 1 (pow 6.5 1.0)) 0.5) (sqrt PI))
0.0ms
(* (pow (/ 1 (pow 6.5 1.0)) 0.5) (sqrt PI))
0.0ms
(* (pow (/ 1 (pow 6.5 1.0)) 0.5) (sqrt PI))
0.0ms
(* (pow (/ 1 (pow 6.5 1.0)) 0.5) (sqrt PI))

simplify71.0ms

Algorithm
egg-herbie
Counts
308 → 308
Iterations

Useful iterations: 2 (40.0ms)

IterNodesCost
04122880
113252828
250012712

prune2.5s

Filtered
308 candidates to 185 candidates (60.1%)
Pruning

11 alts after pruning (10 fresh and 1 done)

PrunedKeptTotal
New3071308
Fresh099
Picked101
Done011
Total30811319

Merged error: 0.1b

Counts
319 → 11

regimes245.0ms

Accuracy

0% (0.9b remaining)

Error of 1.0b against oracle of 0.0b and baseline of 1.0b

bsearch0.0ms

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
07982
17982

end0.0ms

sample12.7s

Algorithm
intervals
Results
4.4s3997×body10240exit
3.2s3438×body1280valid
1.6s2435×body640valid
1.2s1529×body1280nan
740.0ms1234×body640nan
592.0ms1229×body320valid
260.0ms595×body320nan
189.0ms635×body160valid
91.0ms314×body160nan
55.0ms359×body80valid
40.0ms309×body80nan