Details

Time bar (total: 4.7s)

sample27.0ms

Algorithm
intervals
Results
8.0ms236×body80valid
2.0ms14×body640valid
1.0msbody1280valid
1.0ms12×body320valid
1.0ms10×body160valid
0.0msbody2560valid

simplify98.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 2 (9.0ms)

IterNodesCost
0206
1456
21165
33245
48615
519075
645605
750015

prune9.0ms

Filtered
1 candidates to 1 candidates (100.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 10.8b

Counts
2 → 2

localize14.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- y x) (- a t))
15.1b
(fma (/ (- y x) (- a t)) (- z t) x)

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
38×add-sqr-sqrt *-un-lft-identity
25×times-frac
14×add-cube-cbrt
12×distribute-lft-out-- difference-of-squares
associate-/r* associate-/l*
add-exp-log add-cbrt-cube
pow1 expm1-log1p-u flip3-- associate-/r/ flip-- log1p-expm1-u associate-/l/ add-log-exp
cbrt-undiv frac-2neg div-sub div-exp clear-num fma-udef div-inv
Counts
2 → 64
Calls
2 calls:
9.0ms
(/ (- y x) (- a t))
1.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

series152.0ms

Counts
2 → 6
Calls
2 calls:
55.0ms
(/ (- y x) (- a t))
97.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

simplify74.0ms

Algorithm
egg-herbie
Counts
70 → 70
Iterations

Useful iterations: 2 (26.0ms)

IterNodesCost
0269450
1734425
22488423
35002423

prune218.0ms

Filtered
70 candidates to 51 candidates (72.9%)
Pruning

11 alts after pruning (11 fresh and 0 done)

PrunedKeptTotal
New601070
Fresh011
Picked101
Done000
Total611172

Merged error: 6.4b

Counts
72 → 11

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- a t))
0.3b
(* (- y x) (/ 1 (- a t)))
15.1b
(fma (* (- y x) (/ 1 (- a t))) (- z t) x)

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
46×add-sqr-sqrt
40×*-un-lft-identity
32×times-frac
23×add-cube-cbrt
21×associate-*r*
16×add-exp-log
10×add-cbrt-cube
distribute-lft-out-- difference-of-squares
pow1
associate-*l* associate-/r*
flip3-- div-exp prod-exp associate-/r/ flip--
expm1-log1p-u log1p-expm1-u associate-/l* add-log-exp unswap-sqr
cbrt-undiv frac-times rec-exp 1-exp associate-*l/ cbrt-unprod div-inv
pow-flip frac-2neg associate-*r/ pow-prod-down clear-num un-div-inv *-commutative fma-udef inv-pow
Counts
3 → 105
Calls
3 calls:
6.0ms
(/ 1 (- a t))
15.0ms
(* (- y x) (/ 1 (- a t)))
1.0ms
(fma (* (- y x) (/ 1 (- a t))) (- z t) x)

series189.0ms

Counts
3 → 9
Calls
3 calls:
35.0ms
(/ 1 (- a t))
56.0ms
(* (- y x) (/ 1 (- a t)))
97.0ms
(fma (* (- y x) (/ 1 (- a t))) (- z t) x)

simplify50.0ms

Algorithm
egg-herbie
Counts
114 → 114
Iterations

Useful iterations: 2 (42.0ms)

IterNodesCost
0351602
11495525
25001481

prune290.0ms

Filtered
114 candidates to 69 candidates (60.5%)
Pruning

11 alts after pruning (10 fresh and 1 done)

PrunedKeptTotal
New1113114
Fresh3710
Picked011
Done000
Total11411125

Merged error: 6.4b

Counts
125 → 11

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- y x) (- a t))
3.6b
(+ (* (- z t) (/ (- y x) (- a t))) x)
5.7b
(* (- z t) (/ (- y x) (- a t)))

rewrite52.0ms

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/
expm1-log1p-u log1p-expm1-u
cbrt-undiv frac-times div-exp associate-*l/ prod-exp cbrt-unprod div-inv associate-/l/ unswap-sqr
+-commutative fma-def frac-2neg flip3-+ div-sub associate-*r/ pow-prod-down clear-num sum-log *-commutative flip-+
Counts
3 → 126
Calls
3 calls:
13.0ms
(/ (- y x) (- a t))
14.0ms
(+ (* (- z t) (/ (- y x) (- a t))) x)
19.0ms
(* (- z t) (/ (- y x) (- a t)))

series348.0ms

Counts
3 → 9
Calls
3 calls:
54.0ms
(/ (- y x) (- a t))
158.0ms
(+ (* (- z t) (/ (- y x) (- a t))) x)
136.0ms
(* (- z t) (/ (- y x) (- a t)))

simplify63.0ms

Algorithm
egg-herbie
Counts
135 → 135
Iterations

Useful iterations: 2 (52.0ms)

IterNodesCost
0490904
12049854
25001852

prune366.0ms

Filtered
135 candidates to 95 candidates (70.4%)
Pruning

11 alts after pruning (9 fresh and 2 done)

PrunedKeptTotal
New1305135
Fresh549
Picked011
Done011
Total13511146

Merged error: 4.2b

Counts
146 → 11

localize18.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (- a t))
0.6b
(cbrt (- a t))
1.9b
(* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ (- y x) (cbrt (- a t))))
7.1b
(+ (* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ (- y x) (cbrt (- a t)))) x)

rewrite77.0ms

Algorithm
rewrite-expression-head
Rules
75×add-sqr-sqrt
59×*-un-lft-identity
52×times-frac
46×associate-*r*
37×cbrt-prod
27×add-cube-cbrt
25×add-exp-log
18×cbrt-div add-cbrt-cube
17×associate-*l*
16×distribute-lft-out-- difference-of-squares
10×associate-/r/
flip3-- flip--
prod-exp cbrt-unprod
cbrt-undiv div-exp
pow1 add-log-exp unswap-sqr
frac-times
expm1-log1p-u log1p-expm1-u
associate-*r/ associate-*l/
pow1/3 div-inv
+-commutative fma-def flip3-+ pow-prod-down sum-log *-commutative flip-+
Counts
4 → 143
Calls
4 calls:
3.0ms
(cbrt (- a t))
3.0ms
(cbrt (- a t))
38.0ms
(* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ (- y x) (cbrt (- a t))))
24.0ms
(+ (* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ (- y x) (cbrt (- a t)))) x)

series835.0ms

Counts
4 → 12
Calls
4 calls:
155.0ms
(cbrt (- a t))
160.0ms
(cbrt (- a t))
335.0ms
(* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ (- y x) (cbrt (- a t))))
184.0ms
(+ (* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ (- y x) (cbrt (- a t)))) x)

simplify109.0ms

Algorithm
egg-herbie
Counts
155 → 155
Iterations

Useful iterations: 2 (87.0ms)

IterNodesCost
07591907
133161731
250021632

prune513.0ms

Filtered
155 candidates to 112 candidates (72.3%)
Pruning

11 alts after pruning (9 fresh and 2 done)

PrunedKeptTotal
New1532155
Fresh178
Picked101
Done022
Total15511166

Merged error: 4.2b

Counts
166 → 11

regimes282.0ms

Accuracy

21.3% (7.1b remaining)

Error of 10.7b against oracle of 3.7b and baseline of 12.7b

bsearch127.0ms

Steps
ItersRangePoint
8
2.869351599928579e-140
7.727911359258938e-136
3.4384368107441154e-136
10
-9.434620063873919e-96
-6.642524222673344e-106
-2.3213324956078207e-103

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02817
12817

end0.0ms

sample733.0ms

Algorithm
intervals
Results
275.0ms7753×body80valid
61.0ms483×body640valid
50.0ms289×body1280valid
39.0ms410×body320valid
16.0ms249×body160valid
8.0ms23×body2560valid