Details

Time bar (total: 4.1s)

sample23.0ms

Algorithm
intervals
Results
9.0ms349×body80valid

simplify13.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
0164
1334
2454
3634
4694
5694

prune3.0ms

Filtered
1 candidates to 0 candidates (100.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 8.9b

Counts
2 → 1

localize8.0ms

Local error

Found 2 expressions with local error:

0.2b
(- (* x y) (* z t))
8.3b
(/ (- (* x y) (* z t)) a)

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
78×add-sqr-sqrt
58×*-un-lft-identity
33×times-frac
20×associate-*l* distribute-lft-out-- difference-of-squares unswap-sqr
18×add-cube-cbrt
11×associate-/l*
4×add-exp-log add-cbrt-cube add-log-exp
3×associate-/r*
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 → 82
Calls
2 calls:
13.0ms
(- (* x y) (* z t))
19.0ms
(/ (- (* x y) (* z t)) a)

series98.0ms

Counts
2 → 6
Calls
2 calls:
46.0ms
(- (* x y) (* z t))
52.0ms
(/ (- (* x y) (* z t)) a)

simplify110.0ms

Algorithm
egg-herbie
Counts
88 → 88
Iterations

Useful iterations: 1 (9.0ms)

IterNodesCost
0284685
1843660
22757660
35001660

prune162.0ms

Filtered
88 candidates to 57 candidates (35.2%)
Pruning

13 alts after pruning (13 fresh and 0 done)

PrunedKeptTotal
New751388
Fresh000
Picked101
Done000
Total761389

Merged error: 7.1b

Counts
89 → 13

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (/ (* x y) a) (/ (* t z) a))
4.9b
(/ (* x y) a)
7.2b
(/ (* t z) a)

rewrite130.0ms

Algorithm
rewrite-expression-head
Rules
456×associate-/l*
331×add-sqr-sqrt
324×frac-sub
235×*-un-lft-identity
207×add-cube-cbrt
144×associate-*l*
132×associate-*r*
122×associate-/r*
108×times-frac
50×unswap-sqr
44×*-commutative
40×frac-2neg
38×clear-num
13×add-exp-log add-cbrt-cube distribute-lft-out--
9×difference-of-squares
7×sub-div
5×add-log-exp
4×cbrt-undiv div-exp div-inv
3×pow1
2×prod-exp cbrt-unprod
1×sub-neg flip3-- distribute-rgt-out-- diff-log flip--
Counts
3 → 496
Calls
3 calls:
87.0ms
(- (/ (* x y) a) (/ (* t z) a))
7.0ms
(/ (* x y) a)
7.0ms
(/ (* t z) a)

series119.0ms

Counts
3 → 9
Calls
3 calls:
72.0ms
(- (/ (* x y) a) (/ (* t z) a))
26.0ms
(/ (* x y) a)
21.0ms
(/ (* t z) a)

simplify152.0ms

Algorithm
egg-herbie
Counts
505 → 505
Iterations

Useful iterations: 1 (95.0ms)

IterNodesCost
036265807
150025792

prune765.0ms

Filtered
505 candidates to 328 candidates (35.0%)
Pruning

9 alts after pruning (9 fresh and 0 done)

PrunedKeptTotal
New4987505
Fresh10212
Picked101
Done000
Total5099518

Merged error: 0b

Counts
518 → 9

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (/ (* x y) a) (* t (/ z a)))
4.9b
(/ (* x y) a)
5.1b
(* t (/ z a))

rewrite96.0ms

Algorithm
rewrite-expression-head
Rules
220×associate-/l*
198×frac-sub
191×add-sqr-sqrt
178×associate-*r/
145×*-un-lft-identity
120×add-cube-cbrt
101×associate-/r*
59×associate-*r*
55×times-frac
50×clear-num
49×associate-*l*
38×un-div-inv
33×frac-2neg
26×unswap-sqr
16×*-commutative
13×add-exp-log add-cbrt-cube
9×difference-of-squares
7×sub-div
5×pow1 add-log-exp
4×div-inv
3×cbrt-undiv div-exp prod-exp cbrt-unprod
2×distribute-lft-out--
1×sub-neg flip3-- distribute-rgt-out-- diff-log pow-prod-down flip--
Counts
3 → 336
Calls
3 calls:
59.0ms
(- (/ (* x y) a) (* t (/ z a)))
7.0ms
(/ (* x y) a)
8.0ms
(* t (/ z a))

series117.0ms

Counts
3 → 9
Calls
3 calls:
75.0ms
(- (/ (* x y) a) (* t (/ z a)))
20.0ms
(/ (* x y) a)
22.0ms
(* t (/ z a))

simplify96.0ms

Algorithm
egg-herbie
Counts
345 → 345
Iterations

Useful iterations: 1 (56.0ms)

IterNodesCost
021133374
150013317

prune471.0ms

Filtered
345 candidates to 203 candidates (41.2%)
Pruning

8 alts after pruning (8 fresh and 0 done)

PrunedKeptTotal
New3423345
Fresh358
Picked101
Done000
Total3468354

Merged error: 0b

Counts
354 → 8

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (* y (/ x a)) (* t (/ z a)))
5.1b
(* t (/ z a))
5.1b
(* y (/ x a))

rewrite72.0ms

Algorithm
rewrite-expression-head
Rules
230×associate-*r/
121×frac-sub
115×add-sqr-sqrt
103×*-un-lft-identity
96×associate-/l*
80×associate-/r*
69×add-cube-cbrt
48×clear-num un-div-inv
28×associate-*r*
26×frac-2neg times-frac
16×unswap-sqr
13×add-exp-log add-cbrt-cube
10×associate-*l*
9×difference-of-squares
7×pow1 sub-div
5×add-log-exp
4×prod-exp cbrt-unprod div-inv distribute-lft-out--
2×cbrt-undiv div-exp pow-prod-down *-commutative
1×sub-neg flip3-- distribute-rgt-out-- diff-log flip--
Counts
3 → 238
Calls
3 calls:
40.0ms
(- (* y (/ x a)) (* t (/ z a)))
11.0ms
(* t (/ z a))
8.0ms
(* y (/ x a))

series114.0ms

Counts
3 → 9
Calls
3 calls:
69.0ms
(- (* y (/ x a)) (* t (/ z a)))
21.0ms
(* t (/ z a))
23.0ms
(* y (/ x a))

simplify59.0ms

Algorithm
egg-herbie
Counts
247 → 247
Iterations

Useful iterations: 1 (36.0ms)

IterNodesCost
013171993
150021942

prune289.0ms

Filtered
247 candidates to 133 candidates (46.2%)
Pruning

8 alts after pruning (7 fresh and 1 done)

PrunedKeptTotal
New2470247
Fresh077
Picked011
Done000
Total2478255

Merged error: 0b

Counts
255 → 8

regimes473.0ms

Accuracy

72.6% (2.2b remaining)

Error of 2.2b against oracle of 0.0b and baseline of 7.9b

bsearch1.0ms

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03421
13421

end0.0ms

sample649.0ms

Algorithm
intervals
Results
318.0ms11095×body80valid