Details

Time bar (total: 8.8s)

sample2.8s

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 1.196289%

Guaranteed chance to sample good point: 35.739437%

Results
8.0ms209×body80valid
2.0ms15×body640valid
2.0ms10×body1280valid
1.0ms12×body320valid
1.0ms31×body80invalid
1.0ms10×body160valid

simplify63.0ms

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: 22.0b

Counts
2 → 1

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (- y x) (- z t))
2.2b
(+ x (/ (* (- y x) (- z t)) (- a t)))
14.3b
(/ (* (- y x) (- z t)) (- a t))

rewrite29.0ms

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:
8.0ms
(* (- y x) (- z t))
7.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
12.0ms
(/ (* (- y x) (- z t)) (- a t))

series100.0ms

Counts
3 → 9
Calls
3 calls:
11.0ms
(* (- y x) (- z t))
52.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
37.0ms
(/ (* (- y x) (- z t)) (- a t))

simplify53.0ms

Algorithm
egg-herbie
Counts
90 → 90
Iterations

Useful iterations: 1 (11.0ms)

IterNodesCost
0468583
12162534
25003534

prune148.0ms

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

11 alts after pruning (11 fresh and 0 done)

PrunedKeptTotal
New791190
Fresh000
Picked101
Done000
Total801191

Merged error: 3.1b

Counts
91 → 11

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- z t))
2.2b
(/ (- y x) (/ (- a t) (- z t)))
2.2b
(+ x (/ (- y x) (/ (- a t) (- z t))))

rewrite81.0ms

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:
7.0ms
(/ (- a t) (- z t))
15.0ms
(/ (- y x) (/ (- a t) (- z t)))
40.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))

series105.0ms

Counts
3 → 9
Calls
3 calls:
9.0ms
(/ (- a t) (- z t))
46.0ms
(/ (- y x) (/ (- a t) (- z t)))
50.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))

simplify102.0ms

Algorithm
egg-herbie
Counts
283 → 283
Iterations

Useful iterations: 1 (21.0ms)

IterNodesCost
010303053
142632984
250012984

prune248.0ms

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

11 alts after pruning (11 fresh and 0 done)

PrunedKeptTotal
New2794283
Fresh3710
Picked101
Done000
Total28311294

Merged error: 3.1b

Counts
294 → 11

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z t) (- a t))
2.2b
(+ x (* (- y x) (/ (- z t) (- a t))))
2.3b
(* (- y x) (/ (- z t) (- a t)))

rewrite35.0ms

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))
3.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))
19.0ms
(* (- y x) (/ (- z t) (- a t)))

series118.0ms

Counts
3 → 9
Calls
3 calls:
9.0ms
(/ (- z t) (- a t))
75.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))
33.0ms
(* (- y x) (/ (- z t) (- a t)))

simplify53.0ms

Algorithm
egg-herbie
Counts
128 → 128
Iterations

Useful iterations: 1 (12.0ms)

IterNodesCost
0476869
12018820
25002820

prune131.0ms

Filtered
86 candidates to 128 candidates (-48.8%)
Pruning

11 alts after pruning (10 fresh and 1 done)

PrunedKeptTotal
New1271128
Fresh1910
Picked011
Done000
Total12811139

Merged error: 3.1b

Counts
139 → 11

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (- a t))
0.2b
(* (- z t) (/ 1 (- a t)))
2.3b
(* (- y x) (* (- z t) (/ 1 (- a t))))
3.7b
(+ x (* (- y x) (* (- z t) (/ 1 (- a t)))))

rewrite41.0ms

Algorithm
rewrite-expression-head
Rules
50×add-sqr-sqrt
44×*-un-lft-identity
32×add-exp-log times-frac
25×add-cube-cbrt
22×associate-*r*
20×frac-times add-cbrt-cube
17×flip3-- flip--
13×prod-exp
12×pow1
10×associate-*r/ associate-*l* associate-*l/
distribute-lft-out-- difference-of-squares
cbrt-unprod
div-exp add-log-exp
associate-/r*
pow-prod-down associate-/r/ un-div-inv
cbrt-undiv rec-exp 1-exp associate-/l* unswap-sqr
*-commutative div-inv
+-commutative pow-flip frac-2neg flip3-+ clear-num sum-log flip-+ inv-pow
Counts
4 → 146
Calls
4 calls:
5.0ms
(/ 1 (- a t))
12.0ms
(* (- z t) (/ 1 (- a t)))
14.0ms
(* (- y x) (* (- z t) (/ 1 (- a t))))
4.0ms
(+ x (* (- y x) (* (- z t) (/ 1 (- a t)))))

series102.0ms

Counts
4 → 12
Calls
4 calls:
5.0ms
(/ 1 (- a t))
10.0ms
(* (- z t) (/ 1 (- a t)))
33.0ms
(* (- y x) (* (- z t) (/ 1 (- a t))))
54.0ms
(+ x (* (- y x) (* (- z t) (/ 1 (- a t)))))

simplify73.0ms

Algorithm
egg-herbie
Counts
158 → 158
Iterations

Useful iterations: 2 (60.0ms)

IterNodesCost
05861025
12802908
25003863

prune145.0ms

Filtered
97 candidates to 158 candidates (-62.9%)
Pruning

11 alts after pruning (9 fresh and 2 done)

PrunedKeptTotal
New1580158
Fresh099
Picked011
Done011
Total15811169

Merged error: 3.1b

Counts
169 → 11

regimes500.0ms

Accuracy

18.8% (6.1b remaining)

Error of 10.2b against oracle of 4.0b and baseline of 11.6b

bsearch105.0ms

Steps
ItersRangePoint
8
1.0973958711167043e-176
1.3036380129092146e-173
7.107010271615049e-176
9
-1.2607373773682447e-163
-3.4676957049241393e-172
-9.486698640987322e-170

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03819
13819

end0.0ms

sample3.8s

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 1.196289%

Guaranteed chance to sample good point: 35.739437%

Results
277.0ms6566×body80valid
85.0ms499×body640valid
49.0ms405×body320valid
48.0ms268×body1280valid
42.0ms1070×body80invalid
18.0ms248×body160valid
3.0ms14×body2560valid

Profiling

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