Details

Time bar (total: 2.4s)

sample25.0ms

Algorithm
intervals
Results
11.0ms343×body80valid

simplify43.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
0154
1264
2464
3854
41274
51484
61654
72154
83034
93894
106024
117124
127914
137914

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: 7.4b

Counts
2 → 1

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(* y (- z t))
8.4b
(/ (* y (- z t)) a)

rewrite14.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
9×add-exp-log add-cbrt-cube
8×*-un-lft-identity
6×add-cube-cbrt
5×associate-*r*
4×pow1 associate-*r/
3×times-frac associate-*l* associate-/r*
2×cbrt-undiv distribute-rgt-in sub-neg flip3-- distribute-lft-in div-exp prod-exp flip-- cbrt-unprod associate-/l/ add-log-exp
1×frac-2neg pow-prod-down clear-num *-commutative div-inv associate-/l* distribute-lft-out-- difference-of-squares unswap-sqr
Counts
2 → 49
Calls
2 calls:
6.0ms
(* y (- z t))
7.0ms
(/ (* y (- z t)) a)

series85.0ms

Counts
2 → 6
Calls
2 calls:
35.0ms
(* y (- z t))
50.0ms
(/ (* y (- z t)) a)

simplify36.0ms

Algorithm
egg-herbie
Counts
55 → 55
Iterations

Useful iterations: 1 (8.0ms)

IterNodesCost
0231226
11033189
25002189

prune104.0ms

Filtered
55 candidates to 35 candidates (63.6%)
Pruning

7 alts after pruning (6 fresh and 1 done)

PrunedKeptTotal
New49655
Fresh000
Picked011
Done000
Total49756

Merged error: 0.0b

Counts
56 → 7

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ a (- z t))
6.8b
(/ y (/ a (- z t)))

rewrite21.0ms

Algorithm
rewrite-expression-head
Rules
138×times-frac
102×add-sqr-sqrt *-un-lft-identity
70×add-cube-cbrt
26×associate-/r*
16×distribute-lft-out-- difference-of-squares
11×associate-/r/
9×add-exp-log add-cbrt-cube
6×div-inv associate-/l*
5×flip3-- flip--
4×cbrt-undiv div-exp
2×pow1 frac-2neg clear-num add-log-exp
Counts
2 → 139
Calls
2 calls:
5.0ms
(/ a (- z t))
9.0ms
(/ y (/ a (- z t)))

series81.0ms

Counts
2 → 6
Calls
2 calls:
27.0ms
(/ a (- z t))
54.0ms
(/ y (/ a (- z t)))

simplify63.0ms

Algorithm
egg-herbie
Counts
145 → 145
Iterations

Useful iterations: 2 (46.0ms)

IterNodesCost
04811051
121901013
250021004

prune299.0ms

Filtered
145 candidates to 107 candidates (73.8%)
Pruning

7 alts after pruning (5 fresh and 2 done)

PrunedKeptTotal
New1441145
Fresh145
Picked011
Done011
Total1457152

Merged error: 0b

Counts
152 → 7

localize7.0ms

Local error

Found 1 expressions with local error:

7.1b
(* (/ y a) (- z t))

rewrite11.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt
13×associate-*l*
11×*-un-lft-identity
10×times-frac
9×add-cube-cbrt
6×add-exp-log add-cbrt-cube
5×associate-*r*
3×pow1
2×distribute-rgt-in frac-times sub-neg flip3-- distribute-lft-in associate-*r/ prod-exp flip-- cbrt-unprod unswap-sqr
1×cbrt-undiv div-exp pow-prod-down associate-*l/ *-commutative div-inv distribute-lft-out-- add-log-exp difference-of-squares
Counts
1 → 42
Calls
1 calls:
9.0ms
(* (/ y a) (- z t))

series51.0ms

Counts
1 → 3
Calls
1 calls:
51.0ms
(* (/ y a) (- z t))

simplify91.0ms

Algorithm
egg-herbie
Counts
45 → 45
Iterations

Useful iterations: 1 (9.0ms)

IterNodesCost
0253228
1991200
24155200
35001200

prune83.0ms

Filtered
45 candidates to 29 candidates (64.4%)
Pruning

7 alts after pruning (4 fresh and 3 done)

PrunedKeptTotal
New45045
Fresh044
Picked011
Done022
Total45752

Merged error: 0b

Counts
52 → 7

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z t) a)
7.0b
(* y (/ (- z t) a))

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
41×add-sqr-sqrt
36×*-un-lft-identity
31×times-frac
22×add-cube-cbrt
19×associate-*r*
9×add-exp-log add-cbrt-cube
7×distribute-lft-out-- difference-of-squares
5×associate-/l*
4×pow1
3×associate-*l* associate-/r*
2×cbrt-undiv div-exp prod-exp cbrt-unprod div-inv associate-/l/ add-log-exp unswap-sqr
1×flip3-- frac-2neg div-sub associate-*r/ pow-prod-down clear-num *-commutative flip--
Counts
2 → 76
Calls
2 calls:
6.0ms
(/ (- z t) a)
10.0ms
(* y (/ (- z t) a))

series77.0ms

Counts
2 → 6
Calls
2 calls:
26.0ms
(/ (- z t) a)
51.0ms
(* y (/ (- z t) a))

simplify39.0ms

Algorithm
egg-herbie
Counts
82 → 82
Iterations

Useful iterations: 2 (33.0ms)

IterNodesCost
0276403
11172372
25001366

prune128.0ms

Filtered
82 candidates to 53 candidates (64.6%)
Pruning

7 alts after pruning (3 fresh and 4 done)

PrunedKeptTotal
New82082
Fresh033
Picked011
Done033
Total82789

Merged error: 0b

Counts
89 → 7

regimes350.0ms

Accuracy

77.1% (0.5b remaining)

Error of 0.6b against oracle of 0.0b and baseline of 2.4b

bsearch86.0ms

Steps
ItersRangePoint
9
677512.3982484034
15780724008625.537
6546328638.235421
9
-509877676303.91656
-263.58567446089853
-912067.3457676432

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0258
1258

end0.0ms

sample676.0ms

Algorithm
intervals
Results
359.0ms10836×body80valid

Profiling

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