Details

Time bar (total: 4.2s)

sample29.0ms

Algorithm
intervals
Results
10.0ms241×body80valid
2.0ms19×body320valid
2.0ms13×body640valid
1.0ms10×body1280valid
1.0msbody160valid

simplify92.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 2 (7.0ms)

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: 12.1b

Counts
2 → 2

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- y x) (- a t))
14.8b
(fma (/ (- y x) (- a t)) (- z t) x)

rewrite14.0ms

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:
10.0ms
(/ (- y x) (- a t))
1.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

series143.0ms

Counts
2 → 6
Calls
2 calls:
52.0ms
(/ (- y x) (- a t))
91.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

simplify74.0ms

Algorithm
egg-herbie
Counts
70 → 70
Iterations

Useful iterations: 2 (25.0ms)

IterNodesCost
0269450
1734425
22488423
35002423

prune233.0ms

Filtered
70 candidates to 51 candidates (72.9%)
Pruning

12 alts after pruning (12 fresh and 0 done)

PrunedKeptTotal
New591170
Fresh011
Picked101
Done000
Total601272

Merged error: 7.1b

Counts
72 → 12

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- a t))
0.2b
(* (- y x) (/ 1 (- a t)))
14.7b
(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)

series184.0ms

Counts
3 → 9
Calls
3 calls:
36.0ms
(/ 1 (- a t))
56.0ms
(* (- y x) (/ 1 (- a t)))
93.0ms
(fma (* (- y x) (/ 1 (- a t))) (- z t) x)

simplify53.0ms

Algorithm
egg-herbie
Counts
114 → 114
Iterations

Useful iterations: 2 (43.0ms)

IterNodesCost
0351602
11495525
25001481

prune279.0ms

Filtered
114 candidates to 70 candidates (61.4%)
Pruning

14 alts after pruning (13 fresh and 1 done)

PrunedKeptTotal
New1122114
Fresh01111
Picked011
Done000
Total11214126

Merged error: 7.1b

Counts
126 → 14

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- y x) (- a t))
3.7b
(* (/ (- y x) (- a t)) (- z t))
4.1b
(+ (* (/ (- y x) (- a t)) (- z t)) x)

rewrite57.0ms

Algorithm
rewrite-expression-head
Rules
102×add-sqr-sqrt
97×*-un-lft-identity
51×add-cube-cbrt times-frac
36×prod-diff
31×associate-*l*
23×distribute-lft-out-- difference-of-squares
22×distribute-rgt-in associate-+l+ distribute-lft-in
10×add-exp-log add-cbrt-cube
pow1 flip3-- associate-*r* associate-/r* flip-- associate-/l* add-log-exp
sub-neg associate-/r/
expm1-log1p-u log1p-expm1-u
cbrt-undiv frac-times associate-*r/ div-exp prod-exp cbrt-unprod div-inv associate-/l/ unswap-sqr
+-commutative fma-def frac-2neg flip3-+ div-sub pow-prod-down associate-*l/ clear-num sum-log *-commutative flip-+
Counts
3 → 170
Calls
3 calls:
9.0ms
(/ (- y x) (- a t))
22.0ms
(* (/ (- y x) (- a t)) (- z t))
17.0ms
(+ (* (/ (- y x) (- a t)) (- z t)) x)

series416.0ms

Counts
3 → 9
Calls
3 calls:
52.0ms
(/ (- y x) (- a t))
215.0ms
(* (/ (- y x) (- a t)) (- z t))
148.0ms
(+ (* (/ (- y x) (- a t)) (- z t)) x)

simplify93.0ms

Algorithm
egg-herbie
Counts
179 → 179
Iterations

Useful iterations: 2 (71.0ms)

IterNodesCost
06841508
125811283
250011263

prune464.0ms

Filtered
179 candidates to 118 candidates (65.9%)
Pruning

19 alts after pruning (18 fresh and 1 done)

PrunedKeptTotal
New1718179
Fresh21012
Picked101
Done011
Total17419193

Merged error: 7.1b

Counts
193 → 19

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z t) (- a t))
1.2b
(* (- y x) (/ (- z t) (- a t)))
2.8b
(+ (* (- y x) (/ (- z t) (- a t))) x)

rewrite51.0ms

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:
9.0ms
(/ (- z t) (- a t))
21.0ms
(* (- y x) (/ (- z t) (- a t)))
14.0ms
(+ (* (- y x) (/ (- z t) (- a t))) x)

series352.0ms

Counts
3 → 9
Calls
3 calls:
55.0ms
(/ (- z t) (- a t))
136.0ms
(* (- y x) (/ (- z t) (- a t)))
160.0ms
(+ (* (- y x) (/ (- z t) (- a t))) x)

simplify75.0ms

Algorithm
egg-herbie
Counts
135 → 135
Iterations

Useful iterations: 2 (62.0ms)

IterNodesCost
0491904
12052854
25002852

prune317.0ms

Filtered
135 candidates to 95 candidates (70.4%)
Pruning

15 alts after pruning (14 fresh and 1 done)

PrunedKeptTotal
New1314135
Fresh71017
Picked101
Done011
Total13915154

Merged error: 4.3b

Counts
154 → 15

regimes441.0ms

Accuracy

28.9% (5.7b remaining)

Error of 9.6b against oracle of 3.9b and baseline of 11.9b

bsearch2.0ms

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03022
13022

end0.0ms

sample728.0ms

Algorithm
intervals
Results
264.0ms7806×body80valid
64.0ms484×body640valid
44.0ms270×body1280valid
44.0ms416×body320valid
18.0ms278×body160valid
5.0ms28×body2560valid