Details

Time bar (total: 6.7s)

sample2.1s

Algorithm
intervals
sampling

Space saved by range analysis: 6.058543%

Space saved by search: 0.243902%

Guaranteed chance to sample good point: 0%

Results
8.0ms256×body80valid
3.0ms91×body80invalid

simplify9.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0164
1334
2454
3634
4694
5694

prune4.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 8.3b

Counts
2 → 1

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (* x y) (* z t))
7.8b
(/ (- (* x y) (* z t)) a)

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
9×times-frac
4×add-exp-log add-cbrt-cube add-log-exp
3×associate-/r* associate-/l*
2×pow1 flip3-- flip-- associate-/l/
1×cbrt-undiv sub-neg frac-2neg diff-log div-sub div-exp clear-num div-inv
Counts
2 → 42
Calls
2 calls:
3.0ms
(- (* x y) (* z t))
5.0ms
(/ (- (* x y) (* z t)) a)

series28.0ms

Counts
2 → 6
Calls
2 calls:
14.0ms
(- (* x y) (* z t))
14.0ms
(/ (- (* x y) (* z t)) a)

simplify78.0ms

Algorithm
egg-herbie
Counts
48 → 48
Iterations

Useful iterations: 1 (6.0ms)

IterNodesCost
0204313
1717288
22686288
35001288

prune82.0ms

Filtered
37 candidates to 48 candidates (-29.7%)
Pruning

9 alts after pruning (8 fresh and 1 done)

PrunedKeptTotal
New40848
Fresh000
Picked011
Done000
Total40949

Merged error: 7.9b

Counts
49 → 9

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (* x y) (* z t))
7.9b
(* (- (* x y) (* z t)) (/ 1 a))

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt
13×associate-*r*
11×add-exp-log *-un-lft-identity times-frac
10×add-cube-cbrt
7×add-cbrt-cube
4×pow1 prod-exp add-log-exp
3×flip3-- associate-*l* flip-- unswap-sqr
2×frac-times div-exp associate-*l/ cbrt-unprod
1×cbrt-undiv sub-neg rec-exp diff-log 1-exp associate-*r/ pow-prod-down un-div-inv *-commutative div-inv
Counts
2 → 52
Calls
2 calls:
3.0ms
(- (* x y) (* z t))
8.0ms
(* (- (* x y) (* z t)) (/ 1 a))

series26.0ms

Counts
2 → 6
Calls
2 calls:
10.0ms
(- (* x y) (* z t))
16.0ms
(* (- (* x y) (* z t)) (/ 1 a))

simplify35.0ms

Algorithm
egg-herbie
Counts
58 → 58
Iterations

Useful iterations: 2 (30.0ms)

IterNodesCost
0278390
11203340
25001322

prune69.0ms

Filtered
38 candidates to 58 candidates (-52.6%)
Pruning

8 alts after pruning (6 fresh and 2 done)

PrunedKeptTotal
New57158
Fresh257
Picked011
Done011
Total59867

Merged error: 7.9b

Counts
67 → 8

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (* x y) (* z t))
0.3b
(/ 1 (/ a (- (* x y) (* z t))))
7.8b
(/ a (- (* x y) (* z t)))

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
90×times-frac
55×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
18×associate-/r*
16×add-exp-log
11×associate-/r/
10×add-cbrt-cube
8×div-exp
6×flip3-- flip-- div-inv associate-/l*
5×add-log-exp
4×pow1 cbrt-undiv
2×rec-exp frac-2neg 1-exp clear-num
1×sub-neg pow-flip diff-log inv-pow
Counts
3 → 125
Calls
3 calls:
3.0ms
(- (* x y) (* z t))
7.0ms
(/ 1 (/ a (- (* x y) (* z t))))
5.0ms
(/ a (- (* x y) (* z t)))

series47.0ms

Counts
3 → 9
Calls
3 calls:
10.0ms
(- (* x y) (* z t))
23.0ms
(/ 1 (/ a (- (* x y) (* z t))))
14.0ms
(/ a (- (* x y) (* z t)))

simplify49.0ms

Algorithm
egg-herbie
Counts
134 → 134
Iterations

Useful iterations: 2 (36.0ms)

IterNodesCost
04281233
118721114
250011024

prune297.0ms

Filtered
73 candidates to 134 candidates (-83.6%)
Pruning

10 alts after pruning (8 fresh and 2 done)

PrunedKeptTotal
New1304134
Fresh145
Picked101
Done022
Total13210142

Merged error: 7.9b

Counts
142 → 10

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* x y) (* z t))
0.3b
(/ 1 (* a (/ 1 (- (* x y) (* z t)))))
1.5b
(/ 1 (- (* x y) (* z t)))
6.3b
(* a (/ 1 (- (* x y) (* z t))))

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
52×add-exp-log
29×add-sqr-sqrt
23×*-un-lft-identity times-frac
22×add-cube-cbrt
20×div-exp add-cbrt-cube
16×prod-exp
15×associate-*r*
10×pow1 rec-exp 1-exp
6×cbrt-undiv associate-/r/ associate-/l* add-log-exp
4×associate-/r* cbrt-unprod
3×flip3-- pow-flip associate-*l* flip-- div-inv unswap-sqr
2×frac-2neg associate-*r/ pow-prod-down clear-num un-div-inv inv-pow
1×sub-neg diff-log *-commutative
Counts
4 → 123
Calls
4 calls:
3.0ms
(- (* x y) (* z t))
8.0ms
(/ 1 (* a (/ 1 (- (* x y) (* z t)))))
5.0ms
(/ 1 (- (* x y) (* z t)))
9.0ms
(* a (/ 1 (- (* x y) (* z t))))

series58.0ms

Counts
4 → 12
Calls
4 calls:
10.0ms
(- (* x y) (* z t))
21.0ms
(/ 1 (* a (/ 1 (- (* x y) (* z t)))))
13.0ms
(/ 1 (- (* x y) (* z t)))
15.0ms
(* a (/ 1 (- (* x y) (* z t))))

simplify51.0ms

Algorithm
egg-herbie
Counts
135 → 135
Iterations

Useful iterations: 2 (41.0ms)

IterNodesCost
0396880
11756728
25002687

prune84.0ms

Filtered
69 candidates to 135 candidates (-95.7%)
Pruning

10 alts after pruning (7 fresh and 3 done)

PrunedKeptTotal
New1350135
Fresh077
Picked011
Done022
Total13510145

Merged error: 7.9b

Counts
145 → 10

regimes784.0ms

Accuracy

0% (0.3b remaining)

Error of 7.7b against oracle of 7.3b and baseline of 7.7b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0114
1114

end0.0ms

sample2.8s

Algorithm
intervals
sampling

Space saved by range analysis: 6.058543%

Space saved by search: 0.243902%

Guaranteed chance to sample good point: 0%

Results
291.0ms8000×body80valid
81.0ms2360×body80invalid

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