Details

Time bar (total: 16.5s)

sample108.0ms

Algorithm
intervals
Results
62.0ms190×body1280valid
25.0ms258×body80valid
6.0ms37×body640valid
1.0ms14×body320valid
1.0msbody160valid

simplify2.4s

Counts
1 → 1
Iterations
IterNodes
done5001
844997
834933
824869
814806
804741
794677
784613
774550
764485
754421
744357
734294
724229
714165
704101
694038
683973
673909
663845
653782
643717
633653
623589
613526
603461
593397
583333
573270
563205
553141
543077
533014
522949
512885
502821
492758
482693
472629
462565
452502
442437
432373
422309
412246
402181
392117
382053
371990
361925
351861
341797
331734
321669
311605
301541
291478
281413
271349
261285
251222
241157
231093
221029
21966
20901
19837
18773
17710
16645
15581
14515
13449
12385
11330
10243
9152
894
773
660
553
449
340
226
114
07

prune14.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.4b

localize22.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (exp x) 2.0)
0.0b
(/ -1 (exp x))
2.7b
(- (- (exp x) 2.0) (/ -1 (exp x)))

rewrite113.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt *-un-lft-identity
11×add-cube-cbrt
10×times-frac add-log-exp
add-cbrt-cube
diff-log add-exp-log distribute-lft-out--
pow1 associate-/r* sub-neg flip3-- flip-- associate-/l* difference-of-squares
associate--l+ frac-sub
associate--l- cbrt-undiv clear-num frac-2neg div-exp div-inv
Counts
3 → 63
Calls
3 calls:
15.0ms
(- (exp x) 2.0)
11.0ms
(/ -1 (exp x))
83.0ms
(- (- (exp x) 2.0) (/ -1 (exp x)))

series131.0ms

Counts
3 → 9
Calls
3 calls:
14.0ms
(- (exp x) 2.0)
10.0ms
(/ -1 (exp x))
106.0ms
(- (- (exp x) 2.0) (/ -1 (exp x)))

simplify2.2s

Counts
72 → 72
Iterations
IterNodes
done5001
32428
2646
1275
0129

prune278.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize22.0ms

Local error

Found 4 expressions with local error:

0.1b
(* x (* x x))
0.1b
(* (* (* x x) (* x x)) 1/12)
0.1b
(* (* x x) (* x x))
0.1b
(* (* x (* x x)) 1/360)

rewrite248.0ms

Algorithm
rewrite-expression-head
Rules
156×pow1
48×add-cbrt-cube add-exp-log
45×pow-prod-down
41×pow-prod-up
30×prod-exp cbrt-unprod
23×pow-sqr
19×pow-plus
14×pow2
add-sqr-sqrt
associate-*r*
*-un-lft-identity add-cube-cbrt
associate-*l*
*-commutative add-log-exp
unswap-sqr
cube-unmult swap-sqr
Counts
4 → 136
Calls
4 calls:
16.0ms
(* x (* x x))
130.0ms
(* (* (* x x) (* x x)) 1/12)
39.0ms
(* (* x x) (* x x))
57.0ms
(* (* x (* x x)) 1/360)

series159.0ms

Counts
4 → 12
Calls
4 calls:
36.0ms
(* x (* x x))
47.0ms
(* (* (* x x) (* x x)) 1/12)
36.0ms
(* (* x x) (* x x))
40.0ms
(* (* x (* x x)) 1/360)

simplify2.8s

Counts
148 → 148
Iterations
IterNodes
done5000
33020
2873
1327
0121

prune302.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ 2.0 (/ -1 (exp x)))
0.0b
(/ -1 (exp x))
3.2b
(- (exp x) (+ 2.0 (/ -1 (exp x))))

rewrite65.0ms

Algorithm
rewrite-expression-head
Rules
18×*-un-lft-identity
13×add-sqr-sqrt
11×add-cube-cbrt
10×add-log-exp
times-frac
add-cbrt-cube
add-exp-log
pow1 associate-/r* associate-/l*
sum-log diff-log distribute-lft-out distribute-lft-out--
cbrt-undiv +-commutative clear-num sub-neg frac-2neg flip3-+ flip3-- div-exp flip-+ div-inv flip-- associate--r+ difference-of-squares
Counts
3 → 56
Calls
3 calls:
12.0ms
(+ 2.0 (/ -1 (exp x)))
10.0ms
(/ -1 (exp x))
41.0ms
(- (exp x) (+ 2.0 (/ -1 (exp x))))

series100.0ms

Counts
3 → 9
Calls
3 calls:
18.0ms
(+ 2.0 (/ -1 (exp x)))
12.0ms
(/ -1 (exp x))
70.0ms
(- (exp x) (+ 2.0 (/ -1 (exp x))))

simplify1.9s

Counts
65 → 65
Iterations
IterNodes
done5007
32366
2642
1267
0115

prune259.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0.0b

regimes22.0ms

Accuracy

0% (0.6b remaining)

Error of 0.7b against oracle of 0.0b and baseline of 0.7b

bsearch0.0ms

simplify4.0ms

Iterations
IterNodes
done17
117
011

end0.0ms

sample5.3s

Algorithm
intervals
Results
3.1s5659×body1280valid
843.0ms8167×body80valid
465.0ms303×body160valid
435.0ms1279×body640valid
153.0ms590×body320valid