Details

Time bar (total: 7.5s)

sample29.0ms

Algorithm
intervals
Results
10.0ms254×body80valid
2.0ms13×body640valid
2.0ms15×body320valid
1.0msbody1280valid
1.0msbody160valid
0.0msbody2560valid

simplify68.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0206
1456
21116
32886
47146
514936
633936
750026

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: 25.6b

Counts
2 → 1

localize12.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (- y x) (- z t))
3.0b
(+ x (/ (* (- y x) (- z t)) (- a t)))
20.2b
(/ (* (- y x) (- z t)) (- a t))

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt *-un-lft-identity
13×flip3-- flip--
10×add-exp-log add-cbrt-cube
frac-times associate-/l/
add-cube-cbrt
pow1 times-frac associate-*r* associate-*l* associate-/r* add-log-exp
associate-*r/ associate-*l/ distribute-lft-out-- difference-of-squares
cbrt-undiv distribute-rgt-in sub-neg distribute-lft-in div-exp prod-exp associate-/r/ cbrt-unprod
+-commutative frac-2neg flip3-+ pow-prod-down clear-num sum-log *-commutative flip-+ div-inv distribute-lft-out associate-/l* unswap-sqr
Counts
3 → 81
Calls
3 calls:
9.0ms
(* (- y x) (- z t))
8.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
12.0ms
(/ (* (- y x) (- z t)) (- a t))

series295.0ms

Counts
3 → 9
Calls
3 calls:
34.0ms
(* (- y x) (- z t))
149.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
111.0ms
(/ (* (- y x) (- z t)) (- a t))

simplify58.0ms

Algorithm
egg-herbie
Counts
90 → 90
Iterations

Useful iterations: 1 (13.0ms)

IterNodesCost
0468583
12162534
25003534

prune218.0ms

Filtered
90 candidates to 67 candidates (74.4%)
Pruning

8 alts after pruning (8 fresh and 0 done)

PrunedKeptTotal
New82890
Fresh000
Picked101
Done000
Total83891

Merged error: 3.8b

Counts
91 → 8

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- z t))
1.8b
(/ (- y x) (/ (- a t) (- z t)))
3.0b
(+ x (/ (- y x) (/ (- a t) (- z t))))

rewrite87.0ms

Algorithm
rewrite-expression-head
Rules
330×times-frac
323×*-un-lft-identity
321×add-sqr-sqrt
113×add-cube-cbrt
104×distribute-lft-out-- difference-of-squares
36×associate-/r*
15×associate-/r/
10×add-exp-log add-cbrt-cube associate-/l*
flip3-- flip--
div-inv
add-log-exp
cbrt-undiv div-exp associate-/l/
pow1 div-sub
frac-2neg clear-num
+-commutative associate-+r- flip3-+ sum-log flip-+ distribute-lft-out
Counts
3 → 274
Calls
3 calls:
8.0ms
(/ (- a t) (- z t))
15.0ms
(/ (- y x) (/ (- a t) (- z t)))
42.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))

series391.0ms

Counts
3 → 9
Calls
3 calls:
46.0ms
(/ (- a t) (- z t))
195.0ms
(/ (- y x) (/ (- a t) (- z t)))
150.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))

simplify109.0ms

Algorithm
egg-herbie
Counts
283 → 283
Iterations

Useful iterations: 1 (23.0ms)

IterNodesCost
010303053
142632984
250032984

prune548.0ms

Filtered
283 candidates to 172 candidates (60.8%)
Pruning

11 alts after pruning (11 fresh and 0 done)

PrunedKeptTotal
New2758283
Fresh437
Picked101
Done000
Total28011291

Merged error: 3.7b

Counts
291 → 11

localize11.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (- a t) (- z t))
0.2b
(/ 1 (/ (/ (- a t) (- z t)) (- y x)))
1.8b
(/ (/ (- a t) (- z t)) (- y x))
4.7b
(+ x (/ 1 (/ (/ (- a t) (- z t)) (- y x))))

rewrite271.0ms

Algorithm
rewrite-expression-head
Rules
1933×times-frac
1483×*-un-lft-identity
1480×add-sqr-sqrt
624×add-cube-cbrt
428×distribute-lft-out-- difference-of-squares
171×associate-/r*
65×associate-/r/
39×associate-/l*
34×div-inv
33×flip3-- flip--
32×add-exp-log
20×add-cbrt-cube
19×div-exp
10×cbrt-undiv
add-log-exp
pow1
rec-exp frac-2neg 1-exp div-sub clear-num associate-/l/
distribute-lft-out
+-commutative pow-flip flip3-+ sum-log flip-+ inv-pow
Counts
4 → 946
Calls
4 calls:
8.0ms
(/ (- a t) (- z t))
41.0ms
(/ 1 (/ (/ (- a t) (- z t)) (- y x)))
16.0ms
(/ (/ (- a t) (- z t)) (- y x))
116.0ms
(+ x (/ 1 (/ (/ (- a t) (- z t)) (- y x))))

series660.0ms

Counts
4 → 12
Calls
4 calls:
55.0ms
(/ (- a t) (- z t))
289.0ms
(/ 1 (/ (/ (- a t) (- z t)) (- y x)))
148.0ms
(/ (/ (- a t) (- z t)) (- y x))
167.0ms
(+ x (/ 1 (/ (/ (- a t) (- z t)) (- y x))))

simplify170.0ms

Algorithm
egg-herbie
Counts
958 → 958
Iterations

Useful iterations: 1 (45.0ms)

IterNodesCost
0235413203
1500111834

prune1.2s

Filtered
958 candidates to 359 candidates (37.5%)
Pruning

13 alts after pruning (12 fresh and 1 done)

PrunedKeptTotal
New9562958
Fresh01010
Picked011
Done000
Total95613969

Merged error: 3.7b

Counts
969 → 13

localize20.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (- y x))
0.6b
(cbrt (- y x))
0.6b
(/ (cbrt (- y x)) (/ (cbrt (- a t)) (- z t)))
9.4b
(+ x (* (/ (cbrt (- y x)) (/ (* (cbrt (- a t)) (cbrt (- a t))) (cbrt (- y x)))) (/ (cbrt (- y x)) (/ (cbrt (- a t)) (- z t)))))

rewrite73.0ms

Algorithm
rewrite-expression-head
Rules
728×times-frac
603×add-sqr-sqrt *-un-lft-identity
470×cbrt-prod
271×add-cube-cbrt
166×distribute-lft-out-- difference-of-squares
46×associate-/r*
19×associate-/r/
12×flip3-- flip--
10×div-inv
add-exp-log
associate-/l*
cbrt-div add-cbrt-cube add-log-exp
pow1
cbrt-undiv div-exp
pow1/3 associate-/l/
+-commutative frac-2neg flip3-+ clear-num sum-log flip-+
Counts
4 → 480
Calls
4 calls:
3.0ms
(cbrt (- y x))
3.0ms
(cbrt (- y x))
22.0ms
(/ (cbrt (- y x)) (/ (cbrt (- a t)) (- z t)))
3.0ms
(+ x (* (/ (cbrt (- y x)) (/ (* (cbrt (- a t)) (cbrt (- a t))) (cbrt (- y x)))) (/ (cbrt (- y x)) (/ (cbrt (- a t)) (- z t)))))

series591.0ms

Counts
4 → 12
Calls
4 calls:
148.0ms
(cbrt (- y x))
145.0ms
(cbrt (- y x))
144.0ms
(/ (cbrt (- y x)) (/ (cbrt (- a t)) (- z t)))
153.0ms
(+ x (* (/ (cbrt (- y x)) (/ (* (cbrt (- a t)) (cbrt (- a t))) (cbrt (- y x)))) (/ (cbrt (- y x)) (/ (cbrt (- a t)) (- z t)))))

simplify100.0ms

Algorithm
egg-herbie
Counts
492 → 492
Iterations

Useful iterations: 1 (30.0ms)

IterNodesCost
014248144
150027979

prune1.5s

Filtered
492 candidates to 327 candidates (66.5%)
Pruning

14 alts after pruning (12 fresh and 2 done)

PrunedKeptTotal
New4911492
Fresh01111
Picked011
Done011
Total49114505

Merged error: 3.7b

Counts
505 → 14

regimes269.0ms

Accuracy

20.3% (6.0b remaining)

Error of 10.0b against oracle of 4.0b and baseline of 11.5b

bsearch98.0ms

Steps
ItersRangePoint
8
1.348603620070444e-171
8.218237891668852e-169
8.010570145934274e-170
9
-1.125446630178774e-171
-1.924081377858164e-177
-1.5372855936714785e-173

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03413
13413

end0.0ms

sample741.0ms

Algorithm
intervals
Results
295.0ms7832×body80valid
65.0ms455×body640valid
49.0ms425×body320valid
48.0ms276×body1280valid
16.0ms227×body160valid
4.0ms19×body2560valid