Details

Time bar (total: 7.1s)

sample45.0ms

Algorithm
intervals
Results
24.0ms256×body80valid
6.0ms256×pre80true

simplify22.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (20.0ms)

IterNodesCost
0495453
1495453

prune12.0ms

Filtered
1 candidates to 1 candidates (0.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 47.7b

Counts
2 → 2

localize23.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ i (+ alpha (+ beta (* i 2.0))))
0.1b
(* (/ i (+ alpha (+ beta (* i 2.0)))) (+ i (+ alpha beta)))
5.6b
(* (* (/ i (+ alpha (+ beta (* i 2.0)))) (+ i (+ alpha beta))) (/ (+ (* i (+ i (+ alpha beta))) (* alpha beta)) (* (+ alpha (+ beta (* i 2.0))) (- (* (+ alpha (+ beta (* i 2.0))) (+ alpha (+ beta (* i 2.0)))) 1.0))))
47.4b
(/ (+ (* i (+ i (+ alpha beta))) (* alpha beta)) (* (+ alpha (+ beta (* i 2.0))) (- (* (+ alpha (+ beta (* i 2.0))) (+ alpha (+ beta (* i 2.0)))) 1.0)))

rewrite103.0ms

Algorithm
rewrite-expression-head
Rules
52×add-exp-log add-cbrt-cube
45×*-un-lft-identity
31×add-sqr-sqrt times-frac
26×add-cube-cbrt
21×prod-exp cbrt-unprod
20×associate-*r* associate-/r/
19×frac-times associate-*l*
15×flip3-+ flip-+
13×cbrt-undiv div-exp
12×associate-*l/
11×pow1 associate-*r/
10×distribute-lft-out
flip3-- flip-- associate-/l*
associate-/r*
pow-prod-down div-inv add-log-exp
frac-2neg clear-num *-commutative associate-/l/ unswap-sqr
distribute-rgt-in distribute-lft-in
Counts
4 → 164
Calls
4 calls:
7.0ms
(/ i (+ alpha (+ beta (* i 2.0))))
20.0ms
(* (/ i (+ alpha (+ beta (* i 2.0)))) (+ i (+ alpha beta)))
40.0ms
(* (* (/ i (+ alpha (+ beta (* i 2.0)))) (+ i (+ alpha beta))) (/ (+ (* i (+ i (+ alpha beta))) (* alpha beta)) (* (+ alpha (+ beta (* i 2.0))) (- (* (+ alpha (+ beta (* i 2.0))) (+ alpha (+ beta (* i 2.0)))) 1.0))))
28.0ms
(/ (+ (* i (+ i (+ alpha beta))) (* alpha beta)) (* (+ alpha (+ beta (* i 2.0))) (- (* (+ alpha (+ beta (* i 2.0))) (+ alpha (+ beta (* i 2.0)))) 1.0)))

series573.0ms

Counts
4 → 12
Calls
4 calls:
15.0ms
(/ i (+ alpha (+ beta (* i 2.0))))
18.0ms
(* (/ i (+ alpha (+ beta (* i 2.0)))) (+ i (+ alpha beta)))
360.0ms
(* (* (/ i (+ alpha (+ beta (* i 2.0)))) (+ i (+ alpha beta))) (/ (+ (* i (+ i (+ alpha beta))) (* alpha beta)) (* (+ alpha (+ beta (* i 2.0))) (- (* (+ alpha (+ beta (* i 2.0))) (+ alpha (+ beta (* i 2.0)))) 1.0))))
180.0ms
(/ (+ (* i (+ i (+ alpha beta))) (* alpha beta)) (* (+ alpha (+ beta (* i 2.0))) (- (* (+ alpha (+ beta (* i 2.0))) (+ alpha (+ beta (* i 2.0)))) 1.0)))

simplify72.0ms

Algorithm
egg-herbie
Counts
176 → 176
Iterations

Useful iterations: 0 (45.0ms)

IterNodesCost
049985111
149985111

prune395.0ms

Filtered
126 candidates to 176 candidates (-39.7%)
Pruning

6 alts after pruning (6 fresh and 0 done)

PrunedKeptTotal
New1706176
Fresh101
Picked101
Done000
Total1726178

Merged error: 36.2b

Counts
178 → 6

localize19.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (/ i (+ alpha (+ beta (* i 2.0)))) (/ (+ i (+ alpha beta)) (+ alpha (+ beta (* i 2.0)))))
0.1b
(/ (+ i (+ alpha beta)) (+ alpha (+ beta (* i 2.0))))
0.2b
(* (* (/ i (+ alpha (+ beta (* i 2.0)))) (/ (+ i (+ alpha beta)) (+ alpha (+ beta (* i 2.0))))) (/ (+ (* i (+ i (+ alpha beta))) (* alpha beta)) (- (* (+ alpha (+ beta (* i 2.0))) (+ alpha (+ beta (* i 2.0)))) 1.0)))
41.1b
(/ (+ (* i (+ i (+ alpha beta))) (* alpha beta)) (- (* (+ alpha (+ beta (* i 2.0))) (+ alpha (+ beta (* i 2.0)))) 1.0))

rewrite116.0ms

Algorithm
rewrite-expression-head
Rules
123×*-un-lft-identity
80×times-frac
69×add-sqr-sqrt
61×add-exp-log add-cbrt-cube
50×add-cube-cbrt
44×associate-*r*
41×distribute-lft-out
22×prod-exp cbrt-unprod
19×cbrt-undiv div-exp associate-*l*
11×pow1
10×associate-/r/
associate-/r* associate-/l*
difference-of-squares
frac-times associate-*l/
flip3-+ flip-+ div-inv
associate-*r/ pow-prod-down associate-/l/ add-log-exp unswap-sqr
flip3-- frac-2neg clear-num *-commutative flip--
Counts
4 → 204
Calls
4 calls:
27.0ms
(* (/ i (+ alpha (+ beta (* i 2.0)))) (/ (+ i (+ alpha beta)) (+ alpha (+ beta (* i 2.0)))))
13.0ms
(/ (+ i (+ alpha beta)) (+ alpha (+ beta (* i 2.0))))
44.0ms
(* (* (/ i (+ alpha (+ beta (* i 2.0)))) (/ (+ i (+ alpha beta)) (+ alpha (+ beta (* i 2.0))))) (/ (+ (* i (+ i (+ alpha beta))) (* alpha beta)) (- (* (+ alpha (+ beta (* i 2.0))) (+ alpha (+ beta (* i 2.0)))) 1.0)))
22.0ms
(/ (+ (* i (+ i (+ alpha beta))) (* alpha beta)) (- (* (+ alpha (+ beta (* i 2.0))) (+ alpha (+ beta (* i 2.0)))) 1.0))

series466.0ms

Counts
4 → 12
Calls
4 calls:
26.0ms
(* (/ i (+ alpha (+ beta (* i 2.0)))) (/ (+ i (+ alpha beta)) (+ alpha (+ beta (* i 2.0)))))
18.0ms
(/ (+ i (+ alpha beta)) (+ alpha (+ beta (* i 2.0))))
361.0ms
(* (* (/ i (+ alpha (+ beta (* i 2.0)))) (/ (+ i (+ alpha beta)) (+ alpha (+ beta (* i 2.0))))) (/ (+ (* i (+ i (+ alpha beta))) (* alpha beta)) (- (* (+ alpha (+ beta (* i 2.0))) (+ alpha (+ beta (* i 2.0)))) 1.0)))
61.0ms
(/ (+ (* i (+ i (+ alpha beta))) (* alpha beta)) (- (* (+ alpha (+ beta (* i 2.0))) (+ alpha (+ beta (* i 2.0)))) 1.0))

simplify85.0ms

Algorithm
egg-herbie
Counts
216 → 216
Iterations

Useful iterations: 0 (54.0ms)

IterNodesCost
049716791
149716791

prune408.0ms

Filtered
134 candidates to 216 candidates (-61.2%)
Pruning

9 alts after pruning (9 fresh and 0 done)

PrunedKeptTotal
New2097216
Fresh325
Picked101
Done000
Total2139222

Merged error: 34.9b

Counts
222 → 9

localize28.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (+ i (+ alpha beta)) (+ alpha (+ beta (* i 2.0))))
0.2b
(* (* (/ i (+ alpha (+ beta (* i 2.0)))) (/ (+ i (+ alpha beta)) (+ alpha (+ beta (* i 2.0))))) (* (/ 1 (+ alpha (+ beta (+ (* i 2.0) (sqrt 1.0))))) (/ (+ (* i (+ i (+ alpha beta))) (* alpha beta)) (+ alpha (+ beta (- (* i 2.0) (sqrt 1.0)))))))
0.2b
(* (/ 1 (+ alpha (+ beta (+ (* i 2.0) (sqrt 1.0))))) (/ (+ (* i (+ i (+ alpha beta))) (* alpha beta)) (+ alpha (+ beta (- (* i 2.0) (sqrt 1.0))))))
35.7b
(/ (+ (* i (+ i (+ alpha beta))) (* alpha beta)) (+ alpha (+ beta (- (* i 2.0) (sqrt 1.0)))))

rewrite135.0ms

Algorithm
rewrite-expression-head
Rules
262×add-exp-log
150×add-cbrt-cube
132×*-un-lft-identity
129×prod-exp
86×div-exp
72×times-frac
69×cbrt-unprod
60×add-sqr-sqrt
51×distribute-lft-out
46×cbrt-undiv
43×add-cube-cbrt
22×associate-*r* associate-*l*
18×pow1 frac-times
12×rec-exp 1-exp associate-*r/ associate-*l/
pow-prod-down associate-/r*
associate-/r/ associate-/l*
flip3-+ flip-+ unswap-sqr
div-inv associate-/l/ add-log-exp
frac-2neg clear-num *-commutative
Counts
4 → 255
Calls
4 calls:
13.0ms
(/ (+ i (+ alpha beta)) (+ alpha (+ beta (* i 2.0))))
50.0ms
(* (* (/ i (+ alpha (+ beta (* i 2.0)))) (/ (+ i (+ alpha beta)) (+ alpha (+ beta (* i 2.0))))) (* (/ 1 (+ alpha (+ beta (+ (* i 2.0) (sqrt 1.0))))) (/ (+ (* i (+ i (+ alpha beta))) (* alpha beta)) (+ alpha (+ beta (- (* i 2.0) (sqrt 1.0)))))))
37.0ms
(* (/ 1 (+ alpha (+ beta (+ (* i 2.0) (sqrt 1.0))))) (/ (+ (* i (+ i (+ alpha beta))) (* alpha beta)) (+ alpha (+ beta (- (* i 2.0) (sqrt 1.0))))))
18.0ms
(/ (+ (* i (+ i (+ alpha beta))) (* alpha beta)) (+ alpha (+ beta (- (* i 2.0) (sqrt 1.0)))))

series1.2s

Counts
4 → 12
Calls
4 calls:
15.0ms
(/ (+ i (+ alpha beta)) (+ alpha (+ beta (* i 2.0))))
1.0s
(* (* (/ i (+ alpha (+ beta (* i 2.0)))) (/ (+ i (+ alpha beta)) (+ alpha (+ beta (* i 2.0))))) (* (/ 1 (+ alpha (+ beta (+ (* i 2.0) (sqrt 1.0))))) (/ (+ (* i (+ i (+ alpha beta))) (* alpha beta)) (+ alpha (+ beta (- (* i 2.0) (sqrt 1.0)))))))
92.0ms
(* (/ 1 (+ alpha (+ beta (+ (* i 2.0) (sqrt 1.0))))) (/ (+ (* i (+ i (+ alpha beta))) (* alpha beta)) (+ alpha (+ beta (- (* i 2.0) (sqrt 1.0))))))
39.0ms
(/ (+ (* i (+ i (+ alpha beta))) (* alpha beta)) (+ alpha (+ beta (- (* i 2.0) (sqrt 1.0)))))

simplify85.0ms

Algorithm
egg-herbie
Counts
267 → 267
Iterations

Useful iterations: 0 (36.0ms)

IterNodesCost
0505310440

prune485.0ms

Filtered
123 candidates to 267 candidates (-117.1%)
Pruning

10 alts after pruning (9 fresh and 1 done)

PrunedKeptTotal
New2634267
Fresh358
Picked011
Done000
Total26610276

Merged error: 9.2b

Counts
276 → 10

localize27.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (/ i (+ alpha (+ beta (* i 2.0)))) (/ (+ i (+ alpha beta)) (+ alpha (+ beta (* i 2.0)))))
0.1b
(/ (+ i (+ alpha beta)) (+ alpha (+ beta (* i 2.0))))
0.1b
(* (* (/ i (+ alpha (+ beta (* i 2.0)))) (/ (+ i (+ alpha beta)) (+ alpha (+ beta (* i 2.0))))) (* (/ 1 (+ alpha (+ beta (+ (* i 2.0) (sqrt 1.0))))) (+ (* i 0.5) (+ (* 0.125 (/ 1.0 i)) (* (sqrt 1.0) 0.25)))))
0.2b
(* (/ 1 (+ alpha (+ beta (+ (* i 2.0) (sqrt 1.0))))) (+ (* i 0.5) (+ (* 0.125 (/ 1.0 i)) (* (sqrt 1.0) 0.25))))

rewrite121.0ms

Algorithm
rewrite-expression-head
Rules
142×add-exp-log
132×*-un-lft-identity
92×add-cbrt-cube
73×times-frac prod-exp
62×add-sqr-sqrt
50×distribute-lft-out
43×add-cube-cbrt cbrt-unprod
40×associate-*l*
37×div-exp
32×frac-times
30×associate-*r*
23×cbrt-undiv
22×associate-*r/
20×pow1
15×flip3-+ associate-*l/ flip-+
10×pow-prod-down
associate-/r/
unswap-sqr
rec-exp 1-exp
distribute-rgt-in distribute-lft-in associate-/l*
associate-/r* div-inv add-log-exp
*-commutative
associate-/l/
frac-2neg clear-num
Counts
4 → 243
Calls
4 calls:
28.0ms
(* (/ i (+ alpha (+ beta (* i 2.0)))) (/ (+ i (+ alpha beta)) (+ alpha (+ beta (* i 2.0)))))
13.0ms
(/ (+ i (+ alpha beta)) (+ alpha (+ beta (* i 2.0))))
45.0ms
(* (* (/ i (+ alpha (+ beta (* i 2.0)))) (/ (+ i (+ alpha beta)) (+ alpha (+ beta (* i 2.0))))) (* (/ 1 (+ alpha (+ beta (+ (* i 2.0) (sqrt 1.0))))) (+ (* i 0.5) (+ (* 0.125 (/ 1.0 i)) (* (sqrt 1.0) 0.25)))))
22.0ms
(* (/ 1 (+ alpha (+ beta (+ (* i 2.0) (sqrt 1.0))))) (+ (* i 0.5) (+ (* 0.125 (/ 1.0 i)) (* (sqrt 1.0) 0.25))))

series175.0ms

Counts
4 → 12
Calls
4 calls:
27.0ms
(* (/ i (+ alpha (+ beta (* i 2.0)))) (/ (+ i (+ alpha beta)) (+ alpha (+ beta (* i 2.0)))))
15.0ms
(/ (+ i (+ alpha beta)) (+ alpha (+ beta (* i 2.0))))
71.0ms
(* (* (/ i (+ alpha (+ beta (* i 2.0)))) (/ (+ i (+ alpha beta)) (+ alpha (+ beta (* i 2.0))))) (* (/ 1 (+ alpha (+ beta (+ (* i 2.0) (sqrt 1.0))))) (+ (* i 0.5) (+ (* 0.125 (/ 1.0 i)) (* (sqrt 1.0) 0.25)))))
61.0ms
(* (/ 1 (+ alpha (+ beta (+ (* i 2.0) (sqrt 1.0))))) (+ (* i 0.5) (+ (* 0.125 (/ 1.0 i)) (* (sqrt 1.0) 0.25))))

simplify75.0ms

Algorithm
egg-herbie
Counts
255 → 255
Iterations

Useful iterations: 0 (33.0ms)

IterNodesCost
050028579

prune646.0ms

Filtered
142 candidates to 255 candidates (-79.6%)
Pruning

23 alts after pruning (22 fresh and 1 done)

PrunedKeptTotal
New24114255
Fresh088
Picked101
Done011
Total24223265

Merged error: 9.2b

Counts
265 → 23

regimes543.0ms

Accuracy

51.9% (2.9b remaining)

Error of 10.1b against oracle of 7.2b and baseline of 13.2b

bsearch24.0ms

Steps
ItersRangePoint
6
1.825901322534054e+129
1.4822102956726603e+130
9.162949724139249e+129

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
063112
163112

end0.0ms

sample1.3s

Algorithm
intervals
Results
748.0ms8000×body80valid
181.0ms8000×pre80true

Profiling

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