Details

Time bar (total: 11.1s)

sample30.0ms

Algorithm
intervals
Results
10.0ms280×body80valid

simplify5.0s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01011
12111
23411
35511
48711
512711
616911
718811
821411
924911
1031511
1142111
1254911
1378511
14102111
15131811
16165611
17207911
18253811
19307211
20367111
21432411
22499111
done500011

prune4.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 1.5b

Counts
2 → 1

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z t) (- z a))
2.2b
(* 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
add-exp-log add-cbrt-cube
associate-/r* associate-/l*
pow1 associate-/r/
flip3-- associate-*l* flip--
cbrt-undiv div-exp prod-exp cbrt-unprod div-inv associate-/l/ add-log-exp unswap-sqr
frac-2neg div-sub associate-*r/ pow-prod-down clear-num *-commutative
Counts
2 → 102
Calls
2 calls:
9.0ms
(/ (- z t) (- z a))
15.0ms
(* y (/ (- z t) (- z a)))

series37.0ms

Counts
2 → 6
Calls
2 calls:
10.0ms
(/ (- z t) (- z a))
27.0ms
(* y (/ (- z t) (- z a)))

simplify867.0ms

Counts
108 → 108
Iterations

Useful iterations: done (864.0ms)

IterNodesCost
01381319
13541257
210491173
335711167
done50011165

prune116.0ms

Filtered
72 candidates to 108 candidates (-50.0%)
Pruning

4 alts after pruning (3 fresh and 1 done)

PrunedKeptTotal
New1053108
Fresh000
Picked011
Done000
Total1054109

Merged error: 0b

Counts
109 → 4

localize12.0ms

Local error

Found 4 expressions with local error:

0.7b
(* y (* (cbrt (/ (- z t) (- z a))) (cbrt (/ (- z t) (- z a)))))
3.5b
(cbrt (/ (- z t) (- z a)))
3.5b
(cbrt (/ (- z t) (- z a)))
3.5b
(cbrt (/ (- z t) (- z a)))

rewrite54.0ms

Algorithm
rewrite-expression-head
Rules
99×add-sqr-sqrt
98×*-un-lft-identity
93×cbrt-prod
75×times-frac
38×add-cube-cbrt
30×distribute-lft-out-- difference-of-squares
pow1 add-exp-log
cbrt-div add-cbrt-cube
associate-/r/
associate-*r/ add-log-exp
flip3-- pow1/3 associate-*l* pow-prod-down prod-exp flip-- cbrt-unprod div-inv
frac-times associate-*r* associate-*l/ *-commutative unswap-sqr
Counts
4 → 142
Calls
4 calls:
23.0ms
(* y (* (cbrt (/ (- z t) (- z a))) (cbrt (/ (- z t) (- z a)))))
8.0ms
(cbrt (/ (- z t) (- z a)))
8.0ms
(cbrt (/ (- z t) (- z a)))
8.0ms
(cbrt (/ (- z t) (- z a)))

series157.0ms

Counts
4 → 12
Calls
4 calls:
49.0ms
(* y (* (cbrt (/ (- z t) (- z a))) (cbrt (/ (- z t) (- z a)))))
33.0ms
(cbrt (/ (- z t) (- z a)))
33.0ms
(cbrt (/ (- z t) (- z a)))
41.0ms
(cbrt (/ (- z t) (- z a)))

simplify1.1s

Counts
154 → 154
Iterations

Useful iterations: 4 (529.0ms)

IterNodesCost
01602642
13152524
26552390
314772361
438162345
done50002345

prune152.0ms

Filtered
106 candidates to 154 candidates (-45.3%)
Pruning

4 alts after pruning (2 fresh and 2 done)

PrunedKeptTotal
New1540154
Fresh022
Picked011
Done011
Total1544158

Merged error: 0b

Counts
158 → 4

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ 1 (- z a))
12.0b
(* (* (- z t) y) (/ 1 (- z a)))

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
35×add-sqr-sqrt *-un-lft-identity
30×times-frac
28×add-exp-log
21×add-cube-cbrt associate-*r*
16×add-cbrt-cube
12×prod-exp
pow1
distribute-lft-out-- difference-of-squares
div-exp associate-*l/ cbrt-unprod
associate-/r*
flip3-- associate-/r/ flip--
cbrt-undiv rec-exp 1-exp pow-prod-down associate-/l*
frac-times div-inv add-log-exp
pow-flip frac-2neg associate-*r/ associate-*l* clear-num un-div-inv *-commutative inv-pow
Counts
2 → 91
Calls
2 calls:
6.0ms
(/ 1 (- z a))
15.0ms
(* (* (- z t) y) (/ 1 (- z a)))

series22.0ms

Counts
2 → 6
Calls
2 calls:
5.0ms
(/ 1 (- z a))
17.0ms
(* (* (- z t) y) (/ 1 (- z a)))

simplify1.1s

Counts
97 → 97
Iterations

Useful iterations: done (1.1s)

IterNodesCost
01371154
13831001
21561832
done5000812

prune81.0ms

Filtered
50 candidates to 97 candidates (-94.0%)
Pruning

4 alts after pruning (1 fresh and 3 done)

PrunedKeptTotal
New97097
Fresh011
Picked011
Done022
Total974101

Merged error: 0b

Counts
101 → 4

localize12.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (sqrt y) (sqrt (/ (- z t) (- z a))))
0.1b
(* (* (sqrt y) (sqrt (/ (- z t) (- z a)))) (* (sqrt y) (sqrt (/ (- z t) (- z a)))))
2.9b
(sqrt (/ (- z t) (- z a)))
2.9b
(sqrt (/ (- z t) (- z a)))

rewrite82.0ms

Algorithm
rewrite-expression-head
Rules
120×add-sqr-sqrt
103×sqrt-prod
100×*-un-lft-identity
79×times-frac
65×pow1
40×add-cube-cbrt
38×pow-prod-down
35×associate-*r*
30×distribute-lft-out-- difference-of-squares
20×sqrt-pow1 pow1/2
18×add-exp-log add-cbrt-cube
prod-exp cbrt-unprod
pow-prod-up
sqrt-div associate-*l*
sqrt-unprod associate-*r/ associate-/r/ pow-sqr unswap-sqr
rem-sqrt-square add-log-exp
flip3-- flip-- div-inv
pow-plus *-commutative
pow2 frac-times swap-sqr associate-*l/ rem-square-sqrt
Counts
4 → 194
Calls
4 calls:
18.0ms
(* (sqrt y) (sqrt (/ (- z t) (- z a))))
27.0ms
(* (* (sqrt y) (sqrt (/ (- z t) (- z a)))) (* (sqrt y) (sqrt (/ (- z t) (- z a)))))
9.0ms
(sqrt (/ (- z t) (- z a)))
9.0ms
(sqrt (/ (- z t) (- z a)))

series133.0ms

Counts
4 → 12
Calls
4 calls:
38.0ms
(* (sqrt y) (sqrt (/ (- z t) (- z a))))
35.0ms
(* (* (sqrt y) (sqrt (/ (- z t) (- z a)))) (* (sqrt y) (sqrt (/ (- z t) (- z a)))))
30.0ms
(sqrt (/ (- z t) (- z a)))
30.0ms
(sqrt (/ (- z t) (- z a)))

simplify548.0ms

Counts
206 → 206
Iterations

Useful iterations: done (542.0ms)

IterNodesCost
02153308
14512737
213682485
done50012439

prune152.0ms

Filtered
124 candidates to 206 candidates (-66.1%)
Pruning

4 alts after pruning (0 fresh and 4 done)

PrunedKeptTotal
New2060206
Fresh000
Picked011
Done033
Total2064210

Merged error: 0b

Counts
210 → 4

regimes527.0ms

Accuracy

42.3% (0.8b remaining)

Error of 0.9b against oracle of 0.0b and baseline of 1.5b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01836
12536
done2536

end0.0ms

sample884.0ms

Algorithm
intervals
Results
326.0ms8754×body80valid
0.0msbody1280valid

Profiling

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