Details

Time bar (total: 3.7s)

sample24.0ms

Algorithm
intervals
Results
12.0ms281×body80valid

simplify55.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
0185
1335
2585
31015
41455
51785
62045
72645
83525
94415
107075
119065
1210225
1310445
1410445

prune2.0ms

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 11.1b

Counts
2 → 1

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (/ (* y (- z t)) (- z a)))
0.0b
(* y (- z t))
11.3b
(/ (* y (- z t)) (- z a))

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
15×add-sqr-sqrt *-un-lft-identity
10×add-exp-log add-cbrt-cube
add-cube-cbrt
pow1 times-frac associate-*r* associate-/r* add-log-exp
associate-*r/
flip3-- associate-*l* flip-- distribute-lft-out-- difference-of-squares
cbrt-undiv distribute-rgt-in sub-neg distribute-lft-in div-exp prod-exp associate-/r/ cbrt-unprod associate-/l/
+-commutative frac-2neg flip3-+ pow-prod-down clear-num sum-log *-commutative flip-+ div-inv distribute-lft-out associate-/l* unswap-sqr
Counts
3 → 67
Calls
3 calls:
7.0ms
(+ x (/ (* y (- z t)) (- z a)))
6.0ms
(* y (- z t))
9.0ms
(/ (* y (- z t)) (- z a))

series172.0ms

Counts
3 → 9
Calls
3 calls:
73.0ms
(+ x (/ (* y (- z t)) (- z a)))
35.0ms
(* y (- z t))
64.0ms
(/ (* y (- z t)) (- z a))

simplify45.0ms

Algorithm
egg-herbie
Counts
76 → 76
Iterations

Useful iterations: 1 (11.0ms)

IterNodesCost
0337381
11443342
25002342

prune152.0ms

Filtered
76 candidates to 52 candidates (68.4%)
Pruning

5 alts after pruning (4 fresh and 1 done)

PrunedKeptTotal
New72476
Fresh000
Picked011
Done000
Total72577

Merged error: 0b

Counts
77 → 5

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (/ y (/ (- z a) (- z t))))
0.0b
(/ (- z a) (- z t))
2.1b
(/ y (/ (- z a) (- z t)))

rewrite63.0ms

Algorithm
rewrite-expression-head
Rules
218×times-frac
197×*-un-lft-identity
195×add-sqr-sqrt
91×add-cube-cbrt
52×distribute-lft-out-- difference-of-squares
36×associate-/r*
11×associate-/r/
10×add-exp-log add-cbrt-cube
associate-/l*
flip3-- flip-- div-inv
add-log-exp
cbrt-undiv div-exp
pow1
frac-2neg clear-num associate-/l/
+-commutative flip3-+ div-sub sum-log flip-+ distribute-lft-out
Counts
3 → 206
Calls
3 calls:
27.0ms
(+ x (/ y (/ (- z a) (- z t))))
8.0ms
(/ (- z a) (- z t))
12.0ms
(/ y (/ (- z a) (- z t)))

series235.0ms

Counts
3 → 9
Calls
3 calls:
80.0ms
(+ x (/ y (/ (- z a) (- z t))))
42.0ms
(/ (- z a) (- z t))
113.0ms
(/ y (/ (- z a) (- z t)))

simplify92.0ms

Algorithm
egg-herbie
Counts
215 → 215
Iterations

Useful iterations: 2 (67.0ms)

IterNodesCost
07021885
130691832
250021829

prune410.0ms

Filtered
215 candidates to 144 candidates (67.0%)
Pruning

4 alts after pruning (2 fresh and 2 done)

PrunedKeptTotal
New2141215
Fresh213
Picked011
Done011
Total2164220

Merged error: 0b

Counts
220 → 4

localize12.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (- z a))
0.5b
(cbrt (- z a))
0.5b
(cbrt (- z a))
7.5b
(* (/ y (* (cbrt (- z a)) (cbrt (- z a)))) (/ (- z t) (cbrt (- z a))))

rewrite54.0ms

Algorithm
rewrite-expression-head
Rules
76×add-sqr-sqrt
60×*-un-lft-identity
50×times-frac
46×associate-*r*
42×cbrt-prod
28×add-cube-cbrt
25×add-exp-log
20×cbrt-div
18×add-cbrt-cube
16×distribute-lft-out-- difference-of-squares
15×associate-*l*
10×flip3-- associate-/r/ flip--
prod-exp cbrt-unprod
cbrt-undiv div-exp
pow1 unswap-sqr
frac-times
add-log-exp
pow1/3 associate-*r/ associate-*l/
div-inv
pow-prod-down *-commutative
Counts
4 → 136
Calls
4 calls:
3.0ms
(cbrt (- z a))
3.0ms
(cbrt (- z a))
3.0ms
(cbrt (- z a))
37.0ms
(* (/ y (* (cbrt (- z a)) (cbrt (- z a)))) (/ (- z t) (cbrt (- z a))))

series553.0ms

Counts
4 → 12
Calls
4 calls:
143.0ms
(cbrt (- z a))
147.0ms
(cbrt (- z a))
147.0ms
(cbrt (- z a))
116.0ms
(* (/ y (* (cbrt (- z a)) (cbrt (- z a)))) (/ (- z t) (cbrt (- z a))))

simplify87.0ms

Algorithm
egg-herbie
Counts
148 → 148
Iterations

Useful iterations: 2 (68.0ms)

IterNodesCost
06461592
130931439
250011374

prune410.0ms

Filtered
148 candidates to 113 candidates (76.4%)
Pruning

4 alts after pruning (1 fresh and 3 done)

PrunedKeptTotal
New1480148
Fresh011
Picked011
Done022
Total1484152

Merged error: 0b

Counts
152 → 4

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (* (/ y (- z a)) (- z t)))
0.0b
(/ y (- z a))
10.5b
(* (/ y (- z a)) (- z t))

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
44×add-sqr-sqrt
39×*-un-lft-identity
31×times-frac
23×add-cube-cbrt
21×associate-*l*
10×add-exp-log add-cbrt-cube
distribute-lft-out-- difference-of-squares
pow1 associate-*r* associate-/r* add-log-exp
distribute-rgt-in sub-neg associate-+r+ flip3-- distribute-lft-in associate-/r/ flip--
associate-/l*
cbrt-undiv frac-times associate-*r/ div-exp prod-exp cbrt-unprod div-inv unswap-sqr
+-commutative frac-2neg flip3-+ pow-prod-down associate-*l/ clear-num sum-log *-commutative flip-+
Counts
3 → 102
Calls
3 calls:
3.0ms
(+ x (* (/ y (- z a)) (- z t)))
6.0ms
(/ y (- z a))
13.0ms
(* (/ y (- z a)) (- z t))

series226.0ms

Counts
3 → 9
Calls
3 calls:
79.0ms
(+ x (* (/ y (- z a)) (- z t)))
28.0ms
(/ y (- z a))
119.0ms
(* (/ y (- z a)) (- z t))

simplify48.0ms

Algorithm
egg-herbie
Counts
111 → 111
Iterations

Useful iterations: 1 (12.0ms)

IterNodesCost
0416613
11659573
25001573

prune204.0ms

Filtered
111 candidates to 79 candidates (71.2%)
Pruning

4 alts after pruning (0 fresh and 4 done)

PrunedKeptTotal
New1110111
Fresh000
Picked011
Done033
Total1114115

Merged error: 0b

Counts
115 → 4

regimes182.0ms

Accuracy

6.8% (1.1b remaining)

Error of 1.1b against oracle of 0.0b and baseline of 1.2b

bsearch1.0ms

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02723
12723

end0.0ms

sample573.0ms

Algorithm
intervals
Results
307.0ms8727×body80valid
0.0msbody1280valid
0.0msbody640valid
0.0msbody160valid