Details

Time bar (total: 4.7s)

sample23.0ms

Algorithm
intervals
Results
8.0ms310×body80valid

simplify46.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
067
1117
2227
3417
4597
5807
6937
7967
done967

prune3.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 12.9b

Counts
2 → 1

localize5.0ms

Local error

Found 2 expressions with local error:

0.0b
(* x (- y z))
12.1b
(/ (* x (- y z)) y)

rewrite16.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
add-exp-log add-cbrt-cube
*-un-lft-identity
add-cube-cbrt
associate-*r*
pow1 associate-*r/
times-frac associate-*l* associate-/r*
cbrt-undiv distribute-rgt-in sub-neg flip3-- distribute-lft-in div-exp prod-exp flip-- cbrt-unprod associate-/l/ add-log-exp
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:
7.0ms
(* x (- y z))
8.0ms
(/ (* x (- y z)) y)

series22.0ms

Counts
2 → 6
Calls
2 calls:
8.0ms
(* x (- y z))
14.0ms
(/ (* x (- y z)) y)

simplify998.0ms

Counts
55 → 55
Iterations

Useful iterations: done (997.0ms)

IterNodesCost
090481
1224461
2758405
34002399
done5000398

prune74.0ms

Filtered
38 candidates to 55 candidates (-44.7%)
Pruning

6 alts after pruning (6 fresh and 0 done)

PrunedKeptTotal
New49655
Fresh000
Picked101
Done000
Total50656

Merged error: 0.0b

Counts
56 → 6

localize5.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ y (- y z))
2.2b
(/ x (/ y (- y z)))

rewrite22.0ms

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/
add-exp-log add-cbrt-cube
div-inv associate-/l*
flip3-- flip--
cbrt-undiv div-exp
pow1 frac-2neg clear-num add-log-exp
Counts
2 → 139
Calls
2 calls:
6.0ms
(/ y (- y z))
9.0ms
(/ x (/ y (- y z)))

series20.0ms

Counts
2 → 6
Calls
2 calls:
9.0ms
(/ y (- y z))
10.0ms
(/ x (/ y (- y z)))

simplify445.0ms

Counts
145 → 145
Iterations

Useful iterations: done (441.0ms)

IterNodesCost
02182050
14821934
218001852
done50001844

prune128.0ms

Filtered
109 candidates to 145 candidates (-33.0%)
Pruning

6 alts after pruning (5 fresh and 1 done)

PrunedKeptTotal
New1432145
Fresh235
Picked011
Done000
Total1456151

Merged error: 0b

Counts
151 → 6

localize5.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- y z) y)
2.2b
(* x (/ (- y z) y))

rewrite19.0ms

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

series16.0ms

Counts
2 → 6
Calls
2 calls:
5.0ms
(/ (- y z) y)
10.0ms
(* x (/ (- y z) y))

simplify683.0ms

Counts
82 → 82
Iterations

Useful iterations: done (681.0ms)

IterNodesCost
0111813
1265775
2795716
32634708
done5000707

prune77.0ms

Filtered
60 candidates to 82 candidates (-36.7%)
Pruning

6 alts after pruning (4 fresh and 2 done)

PrunedKeptTotal
New81182
Fresh134
Picked011
Done011
Total82688

Merged error: 0b

Counts
88 → 6

localize5.0ms

Local error

Found 1 expressions with local error:

2.2b
(* x (- 1 (/ z y)))

rewrite12.0ms

Algorithm
rewrite-expression-head
Rules
13×add-sqr-sqrt
associate-*r*
*-un-lft-identity
difference-of-squares
pow1 add-exp-log add-cube-cbrt associate-*l* add-cbrt-cube
distribute-rgt-in sub-neg distribute-lft-in times-frac associate-*r/
flip3-- pow-prod-down prod-exp *-commutative flip-- cbrt-unprod distribute-lft-out-- add-log-exp unswap-sqr
Counts
1 → 29
Calls
1 calls:
11.0ms
(* x (- 1 (/ z y)))

series8.0ms

Counts
1 → 3
Calls
1 calls:
8.0ms
(* x (- 1 (/ z y)))

simplify1.2s

Counts
32 → 32
Iterations

Useful iterations: 2 (34.0ms)

IterNodesCost
062306
1154288
2410260
31124260
43903260
done5000260

prune42.0ms

Filtered
24 candidates to 32 candidates (-33.3%)
Pruning

6 alts after pruning (3 fresh and 3 done)

PrunedKeptTotal
New32032
Fresh033
Picked011
Done022
Total32638

Merged error: 0b

Counts
38 → 6

regimes183.0ms

Accuracy

32.1% (2.1b remaining)

Error of 2.1b against oracle of 0.0b and baseline of 3.1b

bsearch17.0ms

Steps
ItersRangePoint
6
6.477731316087842e-164
9.251068586094155e-163
4.682219303412234e-163
3
-8.832921302469538e-76
-6.910016817079949e-76
-8.712739772132689e-76

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01929
12329
done2329

end0.0ms

sample659.0ms

Algorithm
intervals
Results
272.0ms9677×body80valid

Profiling

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