Details

Time bar (total: 4.5s)

sample24.0ms

Algorithm
intervals
Results
7.0ms59×body640valid
5.0ms52×body320valid
4.0ms134×body80valid
1.0ms11×body160valid

simplify5.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0711
11211
21511
done1511

prune2.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 15.0b

Counts
2 → 1

localize6.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1.0 (- x 1.0))
0.0b
(/ 1.0 (+ x 1.0))
3.1b
(- (/ 1.0 (+ x 1.0)) (/ 1.0 (- x 1.0)))

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
84×*-un-lft-identity
55×times-frac
50×add-sqr-sqrt
30×add-cube-cbrt
25×distribute-lft-out--
10×distribute-lft-out
associate-/r*
difference-of-squares
add-exp-log add-cbrt-cube
associate-/r/ associate-/l*
add-log-exp
div-inv
pow1 flip--
cbrt-undiv flip3-- frac-2neg div-exp clear-num flip-+
sub-neg flip3-+ diff-log frac-sub
Counts
3 → 102
Calls
3 calls:
6.0ms
(/ 1.0 (- x 1.0))
6.0ms
(/ 1.0 (+ x 1.0))
30.0ms
(- (/ 1.0 (+ x 1.0)) (/ 1.0 (- x 1.0)))

series13.0ms

Counts
3 → 9
Calls
3 calls:
2.0ms
(/ 1.0 (- x 1.0))
2.0ms
(/ 1.0 (+ x 1.0))
9.0ms
(- (/ 1.0 (+ x 1.0)) (/ 1.0 (- x 1.0)))

simplify621.0ms

Counts
111 → 111
Iterations

Useful iterations: done (617.0ms)

IterNodesCost
01741402
13961323
210921257
328831255
done50001254

prune191.0ms

Filtered
78 candidates to 111 candidates (-42.3%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New1092111
Fresh000
Picked101
Done000
Total1102112

Merged error: 0.2b

Counts
112 → 2

localize16.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1.0 (+ x 1.0))
0.5b
(/ 1.0 (- (pow x 3) (pow 1.0 3)))
12.6b
(- (/ 1.0 (+ x 1.0)) (* (/ 1.0 (- (pow x 3) (pow 1.0 3))) (+ (* x x) (+ (* 1.0 1.0) (* x 1.0)))))
20.8b
(* (/ 1.0 (- (pow x 3) (pow 1.0 3))) (+ (* x x) (+ (* 1.0 1.0) (* x 1.0))))

rewrite88.0ms

Algorithm
rewrite-expression-head
Rules
246×add-sqr-sqrt
163×times-frac
151×*-un-lft-identity
112×difference-of-squares
84×unpow-prod-down cube-prod
81×associate-*l*
73×add-cube-cbrt
56×sqr-pow
35×distribute-lft-out--
29×associate-/r*
13×add-exp-log add-cbrt-cube
difference-cubes
pow1 associate-/r/ associate-/l* add-log-exp
flip3-+ frac-sub flip-+
frac-times associate-*r/ distribute-lft-out
cbrt-undiv flip3-- div-exp associate-*r* flip-- div-inv
distribute-rgt-in frac-2neg distribute-lft-in associate-*l/ prod-exp clear-num cbrt-unprod associate--r+ unswap-sqr
sub-neg diff-log pow-prod-down *-commutative
Counts
4 → 275
Calls
4 calls:
5.0ms
(/ 1.0 (+ x 1.0))
20.0ms
(/ 1.0 (- (pow x 3) (pow 1.0 3)))
11.0ms
(- (/ 1.0 (+ x 1.0)) (* (/ 1.0 (- (pow x 3) (pow 1.0 3))) (+ (* x x) (+ (* 1.0 1.0) (* x 1.0)))))
33.0ms
(* (/ 1.0 (- (pow x 3) (pow 1.0 3))) (+ (* x x) (+ (* 1.0 1.0) (* x 1.0))))

series33.0ms

Counts
4 → 12
Calls
4 calls:
2.0ms
(/ 1.0 (+ x 1.0))
6.0ms
(/ 1.0 (- (pow x 3) (pow 1.0 3)))
19.0ms
(- (/ 1.0 (+ x 1.0)) (* (/ 1.0 (- (pow x 3) (pow 1.0 3))) (+ (* x x) (+ (* 1.0 1.0) (* x 1.0)))))
6.0ms
(* (/ 1.0 (- (pow x 3) (pow 1.0 3))) (+ (* x x) (+ (* 1.0 1.0) (* x 1.0))))

simplify418.0ms

Counts
287 → 287
Iterations

Useful iterations: done (403.0ms)

IterNodesCost
03836427
112275663
done50005443

prune696.0ms

Filtered
180 candidates to 287 candidates (-59.4%)
Pruning

2 alts after pruning (1 fresh and 1 done)

PrunedKeptTotal
New2870287
Fresh011
Picked011
Done000
Total2872289

Merged error: 0.2b

Counts
289 → 2

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (/ 2.0 (* x x)) (/ 2.0 (pow x 6)))
0.1b
(/ 2.0 (pow x 4))
0.2b
(/ 2.0 (pow x 6))
0.3b
(/ 2.0 (* x x))

rewrite35.0ms

Algorithm
rewrite-expression-head
Rules
45×times-frac
40×*-un-lft-identity
38×add-sqr-sqrt add-cube-cbrt
24×unpow-prod-down
19×add-exp-log
15×associate-/r*
13×add-cbrt-cube
associate-/l*
div-exp sqr-pow
add-log-exp
div-inv
pow1 cbrt-undiv
frac-2neg clear-num
pow-to-exp pow-exp distribute-lft-out
+-commutative flip3-+ frac-add prod-exp sum-log cbrt-unprod flip-+
Counts
4 → 125
Calls
4 calls:
16.0ms
(+ (/ 2.0 (* x x)) (/ 2.0 (pow x 6)))
5.0ms
(/ 2.0 (pow x 4))
5.0ms
(/ 2.0 (pow x 6))
5.0ms
(/ 2.0 (* x x))

series24.0ms

Counts
4 → 12
Calls
4 calls:
12.0ms
(+ (/ 2.0 (* x x)) (/ 2.0 (pow x 6)))
4.0ms
(/ 2.0 (pow x 4))
5.0ms
(/ 2.0 (pow x 6))
3.0ms
(/ 2.0 (* x x))

simplify397.0ms

Counts
137 → 137
Iterations

Useful iterations: done (393.0ms)

IterNodesCost
02091499
14351373
213651262
done50001260

prune262.0ms

Filtered
98 candidates to 137 candidates (-39.8%)
Pruning

5 alts after pruning (3 fresh and 2 done)

PrunedKeptTotal
New1343137
Fresh000
Picked011
Done011
Total1345139

Merged error: 0.0b

Counts
139 → 5

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(pow x 4)
0.1b
(/ 2.0 (pow x 4))
0.2b
(/ (/ 2.0 x) x)
0.2b
(/ 2.0 (pow x 6))

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
117×times-frac
80×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
27×unpow-prod-down
20×add-exp-log
19×associate-/l*
17×associate-/r*
13×add-cbrt-cube
div-exp sqr-pow
div-inv
pow1 cbrt-undiv
add-log-exp
pow-to-exp pow-unpow frac-2neg pow-exp clear-num
pow-pow associate-/l/
Counts
4 → 177
Calls
4 calls:
2.0ms
(pow x 4)
5.0ms
(/ 2.0 (pow x 4))
7.0ms
(/ (/ 2.0 x) x)
5.0ms
(/ 2.0 (pow x 6))

series15.0ms

Counts
4 → 12
Calls
4 calls:
4.0ms
(pow x 4)
4.0ms
(/ 2.0 (pow x 4))
3.0ms
(/ (/ 2.0 x) x)
5.0ms
(/ 2.0 (pow x 6))

simplify427.0ms

Counts
189 → 189
Iterations

Useful iterations: 2 (164.0ms)

IterNodesCost
02811983
15831829
217611663
done50001663

prune316.0ms

Filtered
127 candidates to 189 candidates (-48.8%)
Pruning

6 alts after pruning (3 fresh and 3 done)

PrunedKeptTotal
New1881189
Fresh022
Picked011
Done022
Total1886194

Merged error: 0b

Counts
194 → 6

regimes57.0ms

Accuracy

99.4% (0.2b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 29.7b

bsearch31.0ms

Steps
ItersRangePoint
9
0.009971872296741319
901.3230478674768
207.2843131073097
9
-174458.2165831976
-0.46594774775336223
-285.5514038748799

simplify11.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03871
15271
26371
36771
46871
done6871

end0.0ms

sample682.0ms

Algorithm
intervals
Results
226.0ms1858×body640valid
143.0ms4281×body80valid
117.0ms1222×body320valid
39.0ms639×body160valid

Profiling

Loading profile data...