Details

Time bar (total: 4.4s)

sample23.0ms

Algorithm
intervals
Results
10.0ms281×body80valid

simplify58.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0215
1355
2565
3945
41505
51855
62035
72305
82805
93685
104575
117235
129225
1310385
1410605
1510605

prune2.0ms

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 1.3b

Counts
2 → 1

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (* y (/ (- z t) (- z a))))
0.0b
(/ (- z t) (- z a))
1.8b
(* y (/ (- z t) (- z a)))

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
76×add-sqr-sqrt
71×*-un-lft-identity
51×times-frac
31×associate-*r*
27×add-cube-cbrt
22×distribute-lft-out-- difference-of-squares
10×add-exp-log add-cbrt-cube
pow1 associate-/r* associate-/l* add-log-exp
associate-/r/
flip3-- associate-*l* flip--
cbrt-undiv div-exp prod-exp cbrt-unprod div-inv associate-/l/ unswap-sqr
+-commutative frac-2neg flip3-+ div-sub associate-*r/ pow-prod-down clear-num sum-log *-commutative flip-+
Counts
3 → 113
Calls
3 calls:
3.0ms
(+ x (* y (/ (- z t) (- z a))))
7.0ms
(/ (- z t) (- z a))
13.0ms
(* y (/ (- z t) (- z a)))

series180.0ms

Counts
3 → 9
Calls
3 calls:
71.0ms
(+ x (* y (/ (- z t) (- z a))))
45.0ms
(/ (- z t) (- z a))
64.0ms
(* y (/ (- z t) (- z a)))

simplify52.0ms

Algorithm
egg-herbie
Counts
122 → 122
Iterations

Useful iterations: 1 (11.0ms)

IterNodesCost
0423747
11655704
25001704

prune249.0ms

Filtered
122 candidates to 83 candidates (68.0%)
Pruning

8 alts after pruning (7 fresh and 1 done)

PrunedKeptTotal
New1157122
Fresh000
Picked011
Done000
Total1158123

Merged error: 0b

Counts
123 → 8

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ x (* y (* (- z t) (/ 1 (- z a)))))
0.0b
(/ 1 (- z a))
0.2b
(* (- z t) (/ 1 (- z a)))
1.8b
(* y (* (- z t) (/ 1 (- z a))))

rewrite38.0ms

Algorithm
rewrite-expression-head
Rules
48×add-sqr-sqrt
42×*-un-lft-identity
32×add-exp-log times-frac
25×add-cube-cbrt
22×associate-*r*
20×add-cbrt-cube
13×prod-exp
12×pow1
associate-*r/ associate-*l* distribute-lft-out-- difference-of-squares
cbrt-unprod
flip3-- div-exp flip-- add-log-exp
associate-/r*
frac-times pow-prod-down associate-*l/ associate-/r/
cbrt-undiv rec-exp 1-exp associate-/l* unswap-sqr
un-div-inv *-commutative div-inv
+-commutative pow-flip frac-2neg flip3-+ clear-num sum-log flip-+ inv-pow
Counts
4 → 130
Calls
4 calls:
3.0ms
(+ x (* y (* (- z t) (/ 1 (- z a)))))
5.0ms
(/ 1 (- z a))
13.0ms
(* (- z t) (/ 1 (- z a)))
12.0ms
(* y (* (- z t) (/ 1 (- z a))))

series219.0ms

Counts
4 → 12
Calls
4 calls:
75.0ms
(+ x (* y (* (- z t) (/ 1 (- z a)))))
33.0ms
(/ 1 (- z a))
46.0ms
(* (- z t) (/ 1 (- z a)))
65.0ms
(* y (* (- z t) (/ 1 (- z a))))

simplify57.0ms

Algorithm
egg-herbie
Counts
142 → 142
Iterations

Useful iterations: 2 (47.0ms)

IterNodesCost
0457788
12015679
25001634

prune226.0ms

Filtered
142 candidates to 86 candidates (60.6%)
Pruning

8 alts after pruning (6 fresh and 2 done)

PrunedKeptTotal
New1420142
Fresh066
Picked011
Done011
Total1428150

Merged error: 0b

Counts
150 → 8

localize12.0ms

Local error

Found 4 expressions with local error:

0.4b
(* y (* (cbrt (/ (- z t) (- z a))) (cbrt (/ (- z t) (- z a)))))
4.0b
(cbrt (/ (- z t) (- z a)))
4.0b
(cbrt (/ (- z t) (- z a)))
4.0b
(cbrt (/ (- z t) (- z a)))

rewrite51.0ms

Algorithm
rewrite-expression-head
Rules
99×add-sqr-sqrt
98×*-un-lft-identity
93×cbrt-prod
75×times-frac
38×add-cube-cbrt
30×distribute-lft-out-- difference-of-squares
pow1 add-exp-log
cbrt-div add-cbrt-cube
associate-/r/
associate-*r/ add-log-exp
flip3-- pow1/3 associate-*l* pow-prod-down prod-exp flip-- cbrt-unprod div-inv
frac-times associate-*r* associate-*l/ *-commutative unswap-sqr
Counts
4 → 142
Calls
4 calls:
24.0ms
(* y (* (cbrt (/ (- z t) (- z a))) (cbrt (/ (- z t) (- z a)))))
7.0ms
(cbrt (/ (- z t) (- z a)))
7.0ms
(cbrt (/ (- z t) (- z a)))
7.0ms
(cbrt (/ (- z t) (- z a)))

series512.0ms

Counts
4 → 12
Calls
4 calls:
107.0ms
(* y (* (cbrt (/ (- z t) (- z a))) (cbrt (/ (- z t) (- z a)))))
122.0ms
(cbrt (/ (- z t) (- z a)))
127.0ms
(cbrt (/ (- z t) (- z a)))
155.0ms
(cbrt (/ (- z t) (- z a)))

simplify66.0ms

Algorithm
egg-herbie
Counts
154 → 154
Iterations

Useful iterations: 3 (46.0ms)

IterNodesCost
03011464
16511394
216511384
350011364

prune590.0ms

Filtered
154 candidates to 106 candidates (68.8%)
Pruning

8 alts after pruning (5 fresh and 3 done)

PrunedKeptTotal
New1540154
Fresh055
Picked011
Done022
Total1548162

Merged error: 0b

Counts
162 → 8

localize12.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (- z a))
0.5b
(cbrt (- z a))
0.5b
(cbrt (- z a))
7.5b
(* (/ y (* (cbrt (- z a)) (cbrt (- z a)))) (/ (- z t) (cbrt (- z a))))

rewrite50.0ms

Algorithm
rewrite-expression-head
Rules
76×add-sqr-sqrt
60×*-un-lft-identity
50×times-frac
46×associate-*r*
42×cbrt-prod
28×add-cube-cbrt
25×add-exp-log
20×cbrt-div
18×add-cbrt-cube
16×distribute-lft-out-- difference-of-squares
15×associate-*l*
10×flip3-- associate-/r/ flip--
prod-exp cbrt-unprod
cbrt-undiv div-exp
pow1 unswap-sqr
frac-times
add-log-exp
pow1/3 associate-*r/ associate-*l/
div-inv
pow-prod-down *-commutative
Counts
4 → 136
Calls
4 calls:
3.0ms
(cbrt (- z a))
3.0ms
(cbrt (- z a))
3.0ms
(cbrt (- z a))
31.0ms
(* (/ y (* (cbrt (- z a)) (cbrt (- z a)))) (/ (- z t) (cbrt (- z a))))

series558.0ms

Counts
4 → 12
Calls
4 calls:
163.0ms
(cbrt (- z a))
143.0ms
(cbrt (- z a))
144.0ms
(cbrt (- z a))
108.0ms
(* (/ y (* (cbrt (- z a)) (cbrt (- z a)))) (/ (- z t) (cbrt (- z a))))

simplify81.0ms

Algorithm
egg-herbie
Counts
148 → 148
Iterations

Useful iterations: 2 (66.0ms)

IterNodesCost
06461592
130931439
250011374

prune388.0ms

Filtered
148 candidates to 113 candidates (76.4%)
Pruning

8 alts after pruning (4 fresh and 4 done)

PrunedKeptTotal
New1480148
Fresh044
Picked011
Done033
Total1488156

Merged error: 0b

Counts
156 → 8

regimes288.0ms

Accuracy

58.6% (0.5b remaining)

Error of 0.5b against oracle of 0.0b and baseline of 1.3b

bsearch79.0ms

Steps
ItersRangePoint
9
2.5275950713790557e-26
7.98514978676205e-20
4.593377905853265e-23
8
-1.2493295532820779e+48
-8.149194550109708e+43
-8.270128523654645e+43

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02610
12610

end0.0ms

sample578.0ms

Algorithm
intervals
Results
315.0ms8728×body80valid
0.0msbody1280valid
0.0msbody640valid