Details

Time bar (total: 4.5s)

sample865.0ms

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 0%

Guaranteed chance to sample good point: 87.5%

Results
10.0ms281×body80valid

simplify49.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

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

prune4.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 10.5b

Counts
2 → 1

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(* y (- z t))
11.2b
(/ (* y (- z t)) (- z a))

rewrite17.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt
12×*-un-lft-identity
9×add-exp-log add-cbrt-cube
6×add-cube-cbrt
5×times-frac associate-*r* associate-/r*
4×pow1 associate-*r/
3×flip3-- associate-*l* flip-- distribute-lft-out-- difference-of-squares
2×cbrt-undiv distribute-rgt-in sub-neg distribute-lft-in div-exp prod-exp associate-/r/ cbrt-unprod associate-/l/ add-log-exp
1×frac-2neg pow-prod-down clear-num *-commutative div-inv associate-/l* unswap-sqr
Counts
2 → 55
Calls
2 calls:
6.0ms
(* y (- z t))
9.0ms
(/ (* y (- z t)) (- z a))

series24.0ms

Counts
2 → 6
Calls
2 calls:
8.0ms
(* y (- z t))
16.0ms
(/ (* y (- z t)) (- z a))

simplify40.0ms

Algorithm
egg-herbie
Counts
61 → 61
Iterations

Useful iterations: 1 (7.0ms)

IterNodesCost
0267276
11217239
25001239

prune81.0ms

Filtered
40 candidates to 61 candidates (-52.5%)
Pruning

6 alts after pruning (5 fresh and 1 done)

PrunedKeptTotal
New56561
Fresh000
Picked011
Done000
Total56662

Merged error: 0.0b

Counts
62 → 6

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z a) (- z t))
1.1b
(/ y (/ (- z a) (- z t)))

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
218×times-frac
194×add-sqr-sqrt *-un-lft-identity
90×add-cube-cbrt
52×distribute-lft-out-- difference-of-squares
36×associate-/r*
11×associate-/r/
9×add-exp-log add-cbrt-cube
8×associate-/l*
6×flip3-- flip-- div-inv
4×cbrt-undiv div-exp
2×pow1 frac-2neg clear-num associate-/l/ add-log-exp
1×div-sub
Counts
2 → 194
Calls
2 calls:
8.0ms
(/ (- z a) (- z t))
12.0ms
(/ y (/ (- z a) (- z t)))

series36.0ms

Counts
2 → 6
Calls
2 calls:
9.0ms
(/ (- z a) (- z t))
27.0ms
(/ y (/ (- z a) (- z t)))

simplify72.0ms

Algorithm
egg-herbie
Counts
200 → 200
Iterations

Useful iterations: 2 (52.0ms)

IterNodesCost
06301780
128431729
250031726

prune158.0ms

Filtered
132 candidates to 200 candidates (-51.5%)
Pruning

5 alts after pruning (5 fresh and 0 done)

PrunedKeptTotal
New1973200
Fresh224
Picked101
Done101
Total2015206

Merged error: 0b

Counts
206 → 5

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z a) (- z t))
0.5b
(/ 1 (/ (/ (- z a) (- z t)) y))
1.1b
(/ (/ (- z a) (- z t)) y)

rewrite112.0ms

Algorithm
rewrite-expression-head
Rules
1181×times-frac
793×add-sqr-sqrt *-un-lft-identity
449×add-cube-cbrt
172×distribute-lft-out-- difference-of-squares
105×associate-/r*
39×associate-/l*
35×associate-/r/
31×add-exp-log
23×div-inv
19×div-exp add-cbrt-cube
18×flip3-- flip--
10×cbrt-undiv
4×pow1
3×rec-exp frac-2neg 1-exp div-sub clear-num associate-/l/ add-log-exp
1×pow-flip inv-pow
Counts
3 → 611
Calls
3 calls:
8.0ms
(/ (- z a) (- z t))
30.0ms
(/ 1 (/ (/ (- z a) (- z t)) y))
13.0ms
(/ (/ (- z a) (- z t)) y)

series59.0ms

Counts
3 → 9
Calls
3 calls:
9.0ms
(/ (- z a) (- z t))
32.0ms
(/ 1 (/ (/ (- z a) (- z t)) y))
19.0ms
(/ (/ (- z a) (- z t)) y)

simplify323.0ms

Algorithm
egg-herbie
Counts
620 → 620
Iterations

Useful iterations: 1 (38.0ms)

IterNodesCost
017577377
150016705

prune509.0ms

Filtered
343 candidates to 620 candidates (-80.8%)
Pruning

5 alts after pruning (4 fresh and 1 done)

PrunedKeptTotal
New6200620
Fresh044
Picked011
Done000
Total6205625

Merged error: 0b

Counts
625 → 5

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z t) (- z a))
1.3b
(* y (/ (- z t) (- z a)))

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
75×add-sqr-sqrt
70×*-un-lft-identity
51×times-frac
31×associate-*r*
26×add-cube-cbrt
22×distribute-lft-out-- difference-of-squares
9×add-exp-log add-cbrt-cube
5×associate-/r* associate-/l*
4×pow1 associate-/r/
3×flip3-- associate-*l* flip--
2×cbrt-undiv div-exp prod-exp cbrt-unprod div-inv associate-/l/ add-log-exp unswap-sqr
1×frac-2neg div-sub associate-*r/ pow-prod-down clear-num *-commutative
Counts
2 → 102
Calls
2 calls:
8.0ms
(/ (- z t) (- z a))
13.0ms
(* y (/ (- z t) (- z a)))

series24.0ms

Counts
2 → 6
Calls
2 calls:
9.0ms
(/ (- z t) (- z a))
16.0ms
(* y (/ (- z t) (- z a)))

simplify40.0ms

Algorithm
egg-herbie
Counts
108 → 108
Iterations

Useful iterations: 1 (9.0ms)

IterNodesCost
0351647
11392606
25002606

prune73.0ms

Filtered
70 candidates to 108 candidates (-54.3%)
Pruning

5 alts after pruning (3 fresh and 2 done)

PrunedKeptTotal
New1080108
Fresh033
Picked011
Done011
Total1085113

Merged error: 0b

Counts
113 → 5

regimes325.0ms

Accuracy

0% (1.4b remaining)

Error of 1.4b against oracle of 0.0b and baseline of 1.4b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0156
1156

end0.0ms

sample1.6s

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 0%

Guaranteed chance to sample good point: 87.5%

Results
333.0ms8719×body80valid
0.0ms1×body1280valid
0.0ms1×body640valid
0.0ms1×body320valid

Profiling

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