Details

Time bar (total: 10.1s)

sample31.0ms

Algorithm
intervals
Results
15.0ms309×body80valid

simplify1.3s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
067
1117
2227
3447
4737
51027
62407
76517
819267
done50007

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 10.5b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(* x (- y z))
10.0b
(/ (* x (- y z)) y)

rewrite78.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt
20×*-un-lft-identity
18×add-cube-cbrt prod-diff
11×distribute-rgt-in distribute-lft-in
9×add-exp-log add-cbrt-cube
5×associate-*r*
4×pow1 associate-*r/
3×times-frac associate-*l* associate-/r*
2×cbrt-undiv expm1-log1p-u sub-neg flip3-- div-exp prod-exp flip-- cbrt-unprod log1p-expm1-u 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 → 71
Calls
2 calls:
30.0ms
(* x (- y z))
41.0ms
(/ (* x (- y z)) y)

series117.0ms

Counts
2 → 6
Calls
2 calls:
41.0ms
(* x (- y z))
75.0ms
(/ (* x (- y z)) y)

simplify841.0ms

Counts
77 → 77
Iterations

Useful iterations: done (838.0ms)

IterNodesCost
01401001
1351820
21627674
done5002646

prune308.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ y (- y z))
2.8b
(/ x (/ y (- y z)))

rewrite57.0ms

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 expm1-log1p-u frac-2neg clear-num log1p-expm1-u add-log-exp
Counts
2 → 143
Calls
2 calls:
18.0ms
(/ y (- y z))
23.0ms
(/ x (/ y (- y z)))

series161.0ms

Counts
2 → 6
Calls
2 calls:
77.0ms
(/ y (- y z))
84.0ms
(/ x (/ y (- y z)))

simplify1.3s

Counts
149 → 149
Iterations

Useful iterations: done (1.3s)

IterNodesCost
02222078
15651961
227751871
done50011867

prune662.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- y z) y)
3.2b
(* x (/ (- y z) y))

rewrite92.0ms

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 expm1-log1p-u div-exp prod-exp cbrt-unprod log1p-expm1-u 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 → 80
Calls
2 calls:
43.0ms
(/ (- y z) y)
42.0ms
(* x (/ (- y z) y))

series133.0ms

Counts
2 → 6
Calls
2 calls:
60.0ms
(/ (- y z) y)
73.0ms
(* x (/ (- y z) y))

simplify926.0ms

Counts
86 → 86
Iterations

Useful iterations: done (921.0ms)

IterNodesCost
0115841
1288804
21287739
done5000735

prune402.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0b

localize9.0ms

Local error

Found 1 expressions with local error:

10.5b
(* (/ x y) (- y z))

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
28×add-sqr-sqrt
23×*-un-lft-identity
21×add-cube-cbrt
18×prod-diff
13×associate-*l*
11×distribute-rgt-in distribute-lft-in
10×times-frac
6×add-exp-log add-cbrt-cube
5×associate-*r*
3×pow1
2×frac-times sub-neg flip3-- associate-*r/ prod-exp flip-- cbrt-unprod unswap-sqr
1×cbrt-undiv expm1-log1p-u div-exp pow-prod-down associate-*l/ *-commutative log1p-expm1-u div-inv distribute-lft-out-- add-log-exp difference-of-squares
Counts
1 → 62
Calls
1 calls:
58.0ms
(* (/ x y) (- y z))

series72.0ms

Counts
1 → 3
Calls
1 calls:
72.0ms
(* (/ x y) (- y z))

simplify2.1s

Counts
65 → 65
Iterations

Useful iterations: done (2.1s)

IterNodesCost
01431043
1406875
22326741
done5001709

prune167.0ms

Pruning

5 alts after pruning (1 fresh and 4 done)

Merged error: 0b

regimes263.0ms

Accuracy

82.5% (0.6b remaining)

Error of 0.6b against oracle of 0.0b and baseline of 3.2b

bsearch1.0ms

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02275
12475
done2475

end0.0ms

sample933.0ms

Algorithm
intervals
Results
393.0ms9569×body80valid