Details

Time bar (total: 10.6s)

sample3.7s

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 1.062012%

Guaranteed chance to sample good point: 19.272054%

Results
8.0ms204×body80valid
3.0ms22×body640valid
2.0ms17×body320valid
1.0ms36×body80invalid
1.0msbody1280valid
1.0msbody160valid

simplify66.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0206
1456
21116
32886
47146
514936
633936
750026

prune4.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 24.3b

Counts
2 → 1

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (- y x) (- z t))
2.5b
(+ x (/ (* (- y x) (- z t)) (- a t)))
15.7b
(/ (* (- y x) (- z t)) (- a t))

rewrite30.0ms

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))
7.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
12.0ms
(/ (* (- y x) (- z t)) (- a t))

series95.0ms

Counts
3 → 9
Calls
3 calls:
9.0ms
(* (- y x) (- z t))
51.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
36.0ms
(/ (* (- y x) (- z t)) (- a t))

simplify52.0ms

Algorithm
egg-herbie
Counts
90 → 90
Iterations

Useful iterations: 1 (11.0ms)

IterNodesCost
0468583
12162534
25003534

prune158.0ms

Filtered
67 candidates to 90 candidates (-34.3%)
Pruning

13 alts after pruning (13 fresh and 0 done)

PrunedKeptTotal
New771390
Fresh000
Picked101
Done000
Total781391

Merged error: 4.1b

Counts
91 → 13

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- z t))
1.6b
(/ (- y x) (/ (- a t) (- z t)))
2.5b
(+ x (/ (- y x) (/ (- a t) (- z t))))

rewrite82.0ms

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:
11.0ms
(/ (- a t) (- z t))
15.0ms
(/ (- y x) (/ (- a t) (- z t)))
39.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))

series102.0ms

Counts
3 → 9
Calls
3 calls:
9.0ms
(/ (- a t) (- z t))
45.0ms
(/ (- y x) (/ (- a t) (- z t)))
48.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))

simplify107.0ms

Algorithm
egg-herbie
Counts
283 → 283
Iterations

Useful iterations: 1 (23.0ms)

IterNodesCost
010303053
142632984
250012984

prune247.0ms

Filtered
172 candidates to 283 candidates (-64.5%)
Pruning

13 alts after pruning (13 fresh and 0 done)

PrunedKeptTotal
New2767283
Fresh6612
Picked101
Done000
Total28313296

Merged error: 4.0b

Counts
296 → 13

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z t) (- a t))
1.6b
(* (- y x) (/ (- z t) (- a t)))
2.5b
(+ x (* (- y x) (/ (- z t) (- a t))))

rewrite33.0ms

Algorithm
rewrite-expression-head
Rules
78×add-sqr-sqrt
73×*-un-lft-identity
51×times-frac
31×associate-*r*
27×add-cube-cbrt
23×distribute-lft-out-- difference-of-squares
10×add-exp-log add-cbrt-cube
pow1 flip3-- associate-*l* associate-/r* flip-- associate-/l* add-log-exp
associate-/r/
cbrt-undiv frac-times div-exp associate-*l/ 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 → 119
Calls
3 calls:
8.0ms
(/ (- z t) (- a t))
17.0ms
(* (- y x) (/ (- z t) (- a t)))
3.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))

series94.0ms

Counts
3 → 9
Calls
3 calls:
9.0ms
(/ (- z t) (- a t))
31.0ms
(* (- y x) (/ (- z t) (- a t)))
53.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))

simplify58.0ms

Algorithm
egg-herbie
Counts
128 → 128
Iterations

Useful iterations: 1 (13.0ms)

IterNodesCost
0476869
12018820
25002820

prune142.0ms

Filtered
87 candidates to 128 candidates (-47.1%)
Pruning

13 alts after pruning (12 fresh and 1 done)

PrunedKeptTotal
New1280128
Fresh01212
Picked011
Done000
Total12813141

Merged error: 4.0b

Counts
141 → 13

localize11.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (- z t))
0.2b
(* (- a t) (/ 1 (- z t)))
1.6b
(/ (- y x) (* (- a t) (/ 1 (- z t))))
4.7b
(+ x (/ (- y x) (* (- a t) (/ 1 (- z t)))))

rewrite47.0ms

Algorithm
rewrite-expression-head
Rules
53×add-sqr-sqrt
49×*-un-lft-identity
37×times-frac
32×add-exp-log
26×add-cube-cbrt
21×associate-*r*
20×add-cbrt-cube
11×div-exp
10×associate-/r/ distribute-lft-out-- difference-of-squares
prod-exp associate-/l*
pow1 flip3-- flip--
cbrt-undiv associate-/r* add-log-exp
associate-*l*
frac-times associate-*l/ cbrt-unprod
rec-exp 1-exp div-inv unswap-sqr
frac-2neg div-sub associate-*r/ clear-num un-div-inv associate-/l/
+-commutative associate-+r- pow-flip flip3-+ pow-prod-down sum-log *-commutative flip-+ distribute-lft-out inv-pow
Counts
4 → 142
Calls
4 calls:
8.0ms
(/ 1 (- z t))
13.0ms
(* (- a t) (/ 1 (- z t)))
13.0ms
(/ (- y x) (* (- a t) (/ 1 (- z t))))
8.0ms
(+ x (/ (- y x) (* (- a t) (/ 1 (- z t)))))

series104.0ms

Counts
4 → 12
Calls
4 calls:
5.0ms
(/ 1 (- z t))
9.0ms
(* (- a t) (/ 1 (- z t)))
43.0ms
(/ (- y x) (* (- a t) (/ 1 (- z t))))
47.0ms
(+ x (/ (- y x) (* (- a t) (/ 1 (- z t)))))

simplify61.0ms

Algorithm
egg-herbie
Counts
154 → 154
Iterations

Useful iterations: 2 (50.0ms)

IterNodesCost
0559958
12445830
25002783

prune116.0ms

Filtered
92 candidates to 154 candidates (-67.4%)
Pruning

14 alts after pruning (12 fresh and 2 done)

PrunedKeptTotal
New1531154
Fresh01111
Picked011
Done011
Total15314167

Merged error: 4.0b

Counts
167 → 14

regimes614.0ms

Accuracy

16.2% (6.3b remaining)

Error of 10.7b against oracle of 4.4b and baseline of 11.9b

bsearch77.0ms

Steps
ItersRangePoint
10
7.072036130491738e-105
2.969923641865529e-86
3.4336635186223803e-100
10
-9.182822368769959e-156
-1.6744075494291202e-168
-1.0684463994163494e-163

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03719
13719

end0.0ms

sample4.6s

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 1.062012%

Guaranteed chance to sample good point: 19.272054%

Results
277.0ms6522×body80valid
80.0ms531×body640valid
49.0ms1127×body80invalid
46.0ms262×body1280valid
43.0ms403×body320valid
30.0ms265×body160valid
4.0ms17×body2560valid

Profiling

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