Details

Time bar (total: 8.0s)

sample2.4s

Algorithm
intervals
sampling

Space saved by range analysis: 0.779702%

Space saved by search: 0.243902%

Guaranteed chance to sample good point: 0%

Results
8.0ms214×body80valid
2.0ms16×body320valid
1.0ms10×body640valid
1.0msbody1280valid
1.0ms21×body80invalid
1.0msbody160valid

simplify122.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0226
1526
21096
31956
44456
58286
614346
725206
848306
950016

prune4.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 15.7b

Counts
2 → 1

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (- z t) y)
2.5b
(- (+ x y) (/ (* (- z t) y) (- a t)))
10.7b
(/ (* (- z t) y) (- a t))

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
18×*-un-lft-identity
17×add-sqr-sqrt
10×add-exp-log add-cbrt-cube
add-log-exp
add-cube-cbrt
pow1 times-frac associate-*l* associate-/r* distribute-lft-out--
flip3-- associate-*l/ flip-- difference-of-squares
associate-*r*
cbrt-undiv diff-log div-exp prod-exp associate-/r/ frac-sub cbrt-unprod associate-/l/
sub-neg frac-2neg flip3-+ pow-prod-down associate--l+ clear-num sum-log *-commutative flip-+ div-inv distribute-lft-out associate-/l* unswap-sqr
Counts
3 → 70
Calls
3 calls:
6.0ms
(* (- z t) y)
9.0ms
(- (+ x y) (/ (* (- z t) y) (- a t)))
8.0ms
(/ (* (- z t) y) (- a t))

series57.0ms

Counts
3 → 9
Calls
3 calls:
7.0ms
(* (- z t) y)
35.0ms
(- (+ x y) (/ (* (- z t) y) (- a t)))
15.0ms
(/ (* (- z t) y) (- a t))

simplify47.0ms

Algorithm
egg-herbie
Counts
79 → 79
Iterations

Useful iterations: 1 (11.0ms)

IterNodesCost
0383461
11704422
25001422

prune127.0ms

Filtered
56 candidates to 79 candidates (-41.1%)
Pruning

9 alts after pruning (9 fresh and 0 done)

PrunedKeptTotal
New70979
Fresh000
Picked101
Done000
Total71980

Merged error: 2.7b

Counts
80 → 9

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ y (- a t))
3.2b
(- (+ x y) (* (- z t) (/ y (- a t))))
9.1b
(* (- z t) (/ y (- a t)))

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
44×add-sqr-sqrt
39×*-un-lft-identity
31×times-frac
23×add-cube-cbrt
21×associate-*r*
10×add-exp-log frac-sub add-cbrt-cube
flip3-- flip--
distribute-lft-out-- add-log-exp difference-of-squares
frac-times associate-*l/
pow1 flip3-+ associate-*l* associate-/r* flip-+
associate-/r/
associate-*r/ associate-/l*
cbrt-undiv diff-log div-exp prod-exp cbrt-unprod div-inv unswap-sqr
sub-neg frac-2neg pow-prod-down associate--l+ clear-num sum-log *-commutative
Counts
3 → 107
Calls
3 calls:
7.0ms
(/ y (- a t))
6.0ms
(- (+ x y) (* (- z t) (/ y (- a t))))
12.0ms
(* (- z t) (/ y (- a t)))

series56.0ms

Counts
3 → 9
Calls
3 calls:
7.0ms
(/ y (- a t))
33.0ms
(- (+ x y) (* (- z t) (/ y (- a t))))
15.0ms
(* (- z t) (/ y (- a t)))

simplify66.0ms

Algorithm
egg-herbie
Counts
116 → 116
Iterations

Useful iterations: 1 (14.0ms)

IterNodesCost
0559844
12676803
25001803

prune153.0ms

Filtered
85 candidates to 116 candidates (-36.5%)
Pruning

13 alts after pruning (13 fresh and 0 done)

PrunedKeptTotal
New1097116
Fresh268
Picked101
Done000
Total11213125

Merged error: 2.6b

Counts
125 → 13

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (- a t))
0.2b
(* y (/ 1 (- a t)))
4.9b
(- (+ x y) (* (- z t) (* y (/ 1 (- a t)))))
9.1b
(* (- z t) (* y (/ 1 (- a t))))

rewrite42.0ms

Algorithm
rewrite-expression-head
Rules
48×add-sqr-sqrt
42×*-un-lft-identity
32×add-exp-log times-frac
25×add-cube-cbrt
22×associate-*r*
20×add-cbrt-cube
16×associate-*r/ frac-sub
13×prod-exp
12×pow1 frac-times flip3-- flip--
10×un-div-inv
add-log-exp
flip3-+ associate-*l* flip-+ distribute-lft-out-- difference-of-squares
cbrt-unprod
div-exp associate-*l/
associate-/r*
pow-prod-down associate-/r/
cbrt-undiv rec-exp 1-exp associate-/l* unswap-sqr
diff-log *-commutative div-inv
sub-neg pow-flip frac-2neg associate--l+ clear-num sum-log inv-pow
Counts
4 → 147
Calls
4 calls:
5.0ms
(/ 1 (- a t))
10.0ms
(* y (/ 1 (- a t)))
7.0ms
(- (+ x y) (* (- z t) (* y (/ 1 (- a t)))))
14.0ms
(* (- z t) (* y (/ 1 (- a t))))

series61.0ms

Counts
4 → 12
Calls
4 calls:
4.0ms
(/ 1 (- a t))
7.0ms
(* y (/ 1 (- a t)))
35.0ms
(- (+ x y) (* (- z t) (* y (/ 1 (- a t)))))
15.0ms
(* (- z t) (* y (/ 1 (- a t))))

simplify77.0ms

Algorithm
egg-herbie
Counts
159 → 159
Iterations

Useful iterations: 2 (64.0ms)

IterNodesCost
06761149
130601038
25002989

prune158.0ms

Filtered
92 candidates to 159 candidates (-72.8%)
Pruning

13 alts after pruning (12 fresh and 1 done)

PrunedKeptTotal
New1590159
Fresh01212
Picked011
Done000
Total15913172

Merged error: 2.6b

Counts
172 → 13

localize9.0ms

Local error

Found 2 expressions with local error:

3.2b
(- (+ x y) (/ (- z t) (/ (- a t) y)))
9.6b
(/ (- z t) (/ (- a t) y))

rewrite54.0ms

Algorithm
rewrite-expression-head
Rules
188×times-frac
161×add-sqr-sqrt
157×*-un-lft-identity
76×add-cube-cbrt
41×difference-of-squares
40×distribute-lft-out--
19×associate-/r*
add-exp-log add-cbrt-cube div-inv add-log-exp
associate-/l*
cbrt-undiv div-exp
pow1 flip3-- diff-log div-sub frac-sub flip-- associate-/l/
sub-neg frac-2neg flip3-+ associate--l+ clear-num sum-log associate-/r/ flip-+ distribute-lft-out associate--r-
Counts
2 → 159
Calls
2 calls:
32.0ms
(- (+ x y) (/ (- z t) (/ (- a t) y)))
11.0ms
(/ (- z t) (/ (- a t) y))

series55.0ms

Counts
2 → 6
Calls
2 calls:
34.0ms
(- (+ x y) (/ (- z t) (/ (- a t) y)))
21.0ms
(/ (- z t) (/ (- a t) y))

simplify76.0ms

Algorithm
egg-herbie
Counts
165 → 165
Iterations

Useful iterations: 1 (17.0ms)

IterNodesCost
08101655
130231611
250011611

prune117.0ms

Filtered
109 candidates to 165 candidates (-51.4%)
Pruning

15 alts after pruning (13 fresh and 2 done)

PrunedKeptTotal
New1623165
Fresh11011
Picked011
Done011
Total16315178

Merged error: 2.6b

Counts
178 → 15

regimes737.0ms

Accuracy

39.9% (4.8b remaining)

Error of 9.1b against oracle of 4.3b and baseline of 12.3b

bsearch1.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03628
13628

end0.0ms

sample3.5s

Algorithm
intervals
sampling

Space saved by range analysis: 0.779702%

Space saved by search: 0.243902%

Guaranteed chance to sample good point: 0%

Results
578.0ms6551×body80valid
75.0ms479×body640valid
51.0ms424×body320valid
48.0ms243×body1280valid
31.0ms692×body80invalid
23.0ms292×body160valid
3.0ms11×body2560valid

Profiling

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