Details

Time bar (total: 14.6s)

sample147.0ms

Algorithm
intervals
Results
86.0ms103×body1280valid
35.0ms88×body640valid
8.0ms41×body320valid
4.0ms256×pre80true
2.0ms16×body160valid
0.0msbody80valid

simplify4.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
079
1109
2119
done119

prune3.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 61.3b

Counts
2 → 1

localize7.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
4.8b
(log (+ 1.0 x))
5.0b
(log (- 1.0 x))

rewrite16.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
17×add-sqr-sqrt
16×times-frac
15×pow1 add-cube-cbrt
12×log-pow
log-prod
add-exp-log
log-div
add-cbrt-cube
associate-/r* associate-/l*
add-log-exp
flip3-- div-sub rem-log-exp flip--
cbrt-undiv frac-2neg flip3-+ div-exp clear-num flip-+ div-inv distribute-lft-out distribute-lft-out-- difference-of-squares
Counts
3 → 69
Calls
3 calls:
7.0ms
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
3.0ms
(log (+ 1.0 x))
4.0ms
(log (- 1.0 x))

series22.0ms

Counts
3 → 9
Calls
3 calls:
16.0ms
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
3.0ms
(log (+ 1.0 x))
3.0ms
(log (- 1.0 x))

simplify491.0ms

Counts
78 → 78
Iterations

Useful iterations: done (488.0ms)

IterNodesCost
02141397
15231298
218661131
done50001127

prune181.0ms

Filtered
56 candidates to 78 candidates (-39.3%)
Pruning

7 alts after pruning (6 fresh and 1 done)

PrunedKeptTotal
New72678
Fresh000
Picked011
Done000
Total72779

Merged error: 58.9b

Counts
79 → 7

localize17.0ms

Local error

Found 4 expressions with local error:

0.0b
(pow x 2)
0.0b
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
0.0b
(/ (log (- 1.0 x)) (- (+ (log 1.0) (* 1.0 x)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
5.0b
(log (- 1.0 x))

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
92×times-frac
86×add-sqr-sqrt
68×associate-*r*
59×unpow-prod-down
52×*-un-lft-identity
50×add-cube-cbrt
31×add-exp-log
25×unpow2 sqr-pow
17×unswap-sqr
12×pow1
11×add-cbrt-cube
10×div-exp prod-exp
pow-to-exp pow-exp
log-prod log-pow
log-div associate-/r/ associate-/l* add-log-exp
pow-unpow flip3-- associate-*r/ associate-*l* associate-/r* flip--
cbrt-undiv div-sub frac-sub cbrt-unprod div-inv
pow-pow frac-2neg flip3-+ rem-log-exp pow-prod-down clear-num *-commutative flip-+ distribute-lft-out-- difference-of-squares
Counts
4 → 181
Calls
4 calls:
2.0ms
(pow x 2)
21.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
10.0ms
(/ (log (- 1.0 x)) (- (+ (log 1.0) (* 1.0 x)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
4.0ms
(log (- 1.0 x))

series24.0ms

Counts
4 → 12
Calls
4 calls:
3.0ms
(pow x 2)
6.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
12.0ms
(/ (log (- 1.0 x)) (- (+ (log 1.0) (* 1.0 x)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
3.0ms
(log (- 1.0 x))

simplify772.0ms

Counts
193 → 193
Iterations

Useful iterations: done (762.0ms)

IterNodesCost
04323343
110773088
235772650
done50002645

prune494.0ms

Filtered
131 candidates to 193 candidates (-47.3%)
Pruning

4 alts after pruning (3 fresh and 1 done)

PrunedKeptTotal
New1921193
Fresh325
Picked101
Done011
Total1964200

Merged error: 0.0b

Counts
200 → 4

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(pow x 2)
0.0b
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
0.0b
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
0.0b
(/ (- (log 1.0) (+ (* 1/2 (/ (pow x 2) (pow 1.0 2))) (* 1.0 x))) (- (+ (log 1.0) (* 1.0 x)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))

rewrite85.0ms

Algorithm
rewrite-expression-head
Rules
178×times-frac
161×add-sqr-sqrt
136×associate-*r*
115×unpow-prod-down
97×*-un-lft-identity
85×add-cube-cbrt
53×add-exp-log
49×unpow2 sqr-pow
34×unswap-sqr
20×prod-exp
19×div-exp
16×add-cbrt-cube
13×pow1 pow-to-exp pow-exp
distribute-lft-out--
associate-*l* associate-/l*
associate-*r/ associate-/r/ log-pow cbrt-unprod add-log-exp difference-of-squares
cbrt-undiv pow-unpow associate-/r* div-inv
flip3-- pow-prod-down *-commutative frac-sub flip-- associate-/l/
pow-pow frac-2neg flip3-+ div-sub clear-num flip-+
Counts
4 → 284
Calls
4 calls:
3.0ms
(pow x 2)
26.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
21.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
20.0ms
(/ (- (log 1.0) (+ (* 1/2 (/ (pow x 2) (pow 1.0 2))) (* 1.0 x))) (- (+ (log 1.0) (* 1.0 x)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))

series25.0ms

Counts
4 → 12
Calls
4 calls:
3.0ms
(pow x 2)
6.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
6.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
10.0ms
(/ (- (log 1.0) (+ (* 1/2 (/ (pow x 2) (pow 1.0 2))) (* 1.0 x))) (- (+ (log 1.0) (* 1.0 x)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))

simplify672.0ms

Counts
296 → 296
Iterations

Useful iterations: done (656.0ms)

IterNodesCost
03435503
18865056
229274310
done50014308

prune1.0s

Filtered
186 candidates to 296 candidates (-59.1%)
Pruning

5 alts after pruning (4 fresh and 1 done)

PrunedKeptTotal
New2933296
Fresh112
Picked101
Done011
Total2955300

Merged error: 0.0b

Counts
300 → 5

localize19.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (cbrt (/ (- (log 1.0) (+ (* 1/2 (/ (pow x 2) (pow 1.0 2))) (* 1.0 x))) (- (+ (log 1.0) (* 1.0 x)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))) (cbrt (/ (- (log 1.0) (+ (* 1/2 (/ (pow x 2) (pow 1.0 2))) (* 1.0 x))) (- (+ (log 1.0) (* 1.0 x)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))))
0.0b
(/ (- (log 1.0) (+ (* 1/2 (/ (pow x 2) (pow 1.0 2))) (* 1.0 x))) (- (+ (log 1.0) (* 1.0 x)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
0.0b
(/ (- (log 1.0) (+ (* 1/2 (/ (pow x 2) (pow 1.0 2))) (* 1.0 x))) (- (+ (log 1.0) (* 1.0 x)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
0.0b
(/ (- (log 1.0) (+ (* 1/2 (/ (pow x 2) (pow 1.0 2))) (* 1.0 x))) (- (+ (log 1.0) (* 1.0 x)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))

rewrite140.0ms

Algorithm
rewrite-expression-head
Rules
213×*-un-lft-identity
168×times-frac
165×add-sqr-sqrt
152×cbrt-prod
93×add-cube-cbrt
72×distribute-lft-out--
47×pow1 swap-sqr
36×log-pow
29×associate-*r* associate-*l*
28×associate-/r/
24×difference-of-squares
18×associate-/l*
15×associate-*r/
14×frac-sub
12×add-exp-log
10×flip3-- add-cbrt-cube flip--
associate-/r* unswap-sqr
flip3-+ flip-+ div-inv
pow1/3 associate-/l/
cbrt-div add-log-exp
cbrt-undiv frac-2neg div-sub div-exp clear-num
pow-prod-down pow-sqr pow-prod-up
pow2 frac-times pow-plus associate-*l/ prod-exp *-commutative cbrt-unprod
Counts
4 → 273
Calls
4 calls:
53.0ms
(* (cbrt (/ (- (log 1.0) (+ (* 1/2 (/ (pow x 2) (pow 1.0 2))) (* 1.0 x))) (- (+ (log 1.0) (* 1.0 x)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))) (cbrt (/ (- (log 1.0) (+ (* 1/2 (/ (pow x 2) (pow 1.0 2))) (* 1.0 x))) (- (+ (log 1.0) (* 1.0 x)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))))
21.0ms
(/ (- (log 1.0) (+ (* 1/2 (/ (pow x 2) (pow 1.0 2))) (* 1.0 x))) (- (+ (log 1.0) (* 1.0 x)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
24.0ms
(/ (- (log 1.0) (+ (* 1/2 (/ (pow x 2) (pow 1.0 2))) (* 1.0 x))) (- (+ (log 1.0) (* 1.0 x)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
21.0ms
(/ (- (log 1.0) (+ (* 1/2 (/ (pow x 2) (pow 1.0 2))) (* 1.0 x))) (- (+ (log 1.0) (* 1.0 x)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))

series50.0ms

Counts
4 → 12
Calls
4 calls:
19.0ms
(* (cbrt (/ (- (log 1.0) (+ (* 1/2 (/ (pow x 2) (pow 1.0 2))) (* 1.0 x))) (- (+ (log 1.0) (* 1.0 x)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))) (cbrt (/ (- (log 1.0) (+ (* 1/2 (/ (pow x 2) (pow 1.0 2))) (* 1.0 x))) (- (+ (log 1.0) (* 1.0 x)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))))
10.0ms
(/ (- (log 1.0) (+ (* 1/2 (/ (pow x 2) (pow 1.0 2))) (* 1.0 x))) (- (+ (log 1.0) (* 1.0 x)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
11.0ms
(/ (- (log 1.0) (+ (* 1/2 (/ (pow x 2) (pow 1.0 2))) (* 1.0 x))) (- (+ (log 1.0) (* 1.0 x)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
10.0ms
(/ (- (log 1.0) (+ (* 1/2 (/ (pow x 2) (pow 1.0 2))) (* 1.0 x))) (- (+ (log 1.0) (* 1.0 x)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))

simplify629.0ms

Counts
285 → 285
Iterations

Useful iterations: done (604.0ms)

IterNodesCost
029019863
164619320
2244718553
done500018529

prune5.1s

Filtered
184 candidates to 285 candidates (-54.9%)
Pruning

6 alts after pruning (4 fresh and 2 done)

PrunedKeptTotal
New2832285
Fresh123
Picked011
Done011
Total2846290

Merged error: 0.0b

Counts
290 → 6

regimes173.0ms

Accuracy

0% (0.4b remaining)

Error of 0.5b against oracle of 0.1b and baseline of 0.5b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
018104
123104
done23104

end0.0ms

sample4.4s

Algorithm
intervals
Results
2.8s3441×body1280valid
982.0ms2473×body640valid
258.0ms1233×body320valid
132.0ms8000×pre80true
78.0ms618×body160valid
13.0ms235×body80valid

Profiling

Loading profile data...