Details

Time bar (total: 13.7s)

sample24.0ms

Algorithm
intervals
Results
7.0ms64×body640valid
4.0ms131×body80valid
3.0ms44×body320valid
1.0ms17×body160valid

simplify5.0ms

Counts
1 → 1
Iterations
IterNodes
done15
215
112
07

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 16.3b

localize19.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1.0 (- x 1.0))
0.0b
(/ 1.0 (+ x 1.0))
3.6b
(- (/ 1.0 (+ x 1.0)) (/ 1.0 (- x 1.0)))

rewrite139.0ms

Algorithm
rewrite-expression-head
Rules
662×*-un-lft-identity
589×times-frac
496×add-sqr-sqrt
378×prod-diff
368×add-cube-cbrt
86×associate-/r/
79×distribute-lft-out--
76×distribute-lft-out
62×difference-of-squares
44×div-inv
24×flip-+
23×flip3-+
21×flip--
20×flip3--
18×fma-neg
associate-/r*
add-cbrt-cube add-exp-log
associate-/l*
add-log-exp
expm1-log1p-u pow1 log1p-expm1-u
cbrt-undiv clear-num frac-2neg div-exp
sub-neg diff-log frac-sub
Counts
3 → 504
Calls
3 calls:
9.0ms
(/ 1.0 (- x 1.0))
9.0ms
(/ 1.0 (+ x 1.0))
85.0ms
(- (/ 1.0 (+ x 1.0)) (/ 1.0 (- x 1.0)))

series237.0ms

Counts
3 → 9
Calls
3 calls:
32.0ms
(/ 1.0 (- x 1.0))
26.0ms
(/ 1.0 (+ x 1.0))
179.0ms
(- (/ 1.0 (+ x 1.0)) (/ 1.0 (- x 1.0)))

simplify1.5s

Counts
513 → 513
Iterations
IterNodes
done5000
24314
11253
0525

prune1.3s

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.5b

localize15.0ms

Local error

Found 2 expressions with local error:

0.4b
(/ 1.0 (- (* x x) (* 1.0 1.0)))
2.9b
(- (- x 1.0) (+ x 1.0))

rewrite66.0ms

Algorithm
rewrite-expression-head
Rules
59×*-un-lft-identity
39×add-sqr-sqrt
29×prod-diff
27×add-cube-cbrt
14×add-log-exp
12×times-frac
11×associate--l+ distribute-lft-out--
10×difference-of-squares
distribute-lft-out
diff-log
fma-neg
associate-/r* flip3-- add-cbrt-cube add-exp-log frac-sub flip--
associate-/l*
expm1-log1p-u pow1 sum-log sub-neg flip3-+ associate-/r/ flip-+ log1p-expm1-u
associate--l- cbrt-undiv clear-num frac-2neg div-exp div-inv associate--r+
Counts
2 → 99
Calls
2 calls:
10.0ms
(/ 1.0 (- (* x x) (* 1.0 1.0)))
53.0ms
(- (- x 1.0) (+ x 1.0))

series81.0ms

Counts
2 → 6
Calls
2 calls:
69.0ms
(/ 1.0 (- (* x x) (* 1.0 1.0)))
11.0ms
(- (- x 1.0) (+ x 1.0))

simplify1.2s

Counts
105 → 105
Iterations
IterNodes
done5001
23298
1551
0196

prune405.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.5b

localize21.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ (- 2.0) (pow x 4)) (+ (/ 2.0 (pow x 6)) (/ 2.0 (* x x))))
0.2b
(/ 2.0 (pow x 6))
0.3b
(/ (- 2.0) (pow x 4))
0.5b
(/ 2.0 (* x x))

rewrite270.0ms

Algorithm
rewrite-expression-head
Rules
547×*-un-lft-identity
517×times-frac
404×add-sqr-sqrt
394×add-cube-cbrt
370×prod-diff
226×unpow-prod-down
157×div-inv
150×distribute-lft-neg-in distribute-rgt-neg-in
149×distribute-lft-out
76×sqr-pow
74×fma-neg
50×neg-mul-1
19×add-exp-log
16×associate-/l*
15×associate-/r*
13×add-cbrt-cube
add-log-exp
div-exp
expm1-log1p-u pow1 cbrt-undiv log1p-expm1-u difference-of-squares
clear-num frac-2neg frac-sub
neg-sub0 pow-to-exp diff-log div-sub pow-exp distribute-lft-out--
associate--l- sum-log sub-neg flip3-+ flip3-- frac-add prod-exp distribute-frac-neg cbrt-unprod flip-+ flip-- associate--r+
Counts
4 → 645
Calls
4 calls:
186.0ms
(- (/ (- 2.0) (pow x 4)) (+ (/ 2.0 (pow x 6)) (/ 2.0 (* x x))))
12.0ms
(/ 2.0 (pow x 6))
22.0ms
(/ (- 2.0) (pow x 4))
8.0ms
(/ 2.0 (* x x))

series197.0ms

Counts
4 → 12
Calls
4 calls:
69.0ms
(- (/ (- 2.0) (pow x 4)) (+ (/ 2.0 (pow x 6)) (/ 2.0 (* x x))))
54.0ms
(/ 2.0 (pow x 6))
47.0ms
(/ (- 2.0) (pow x 4))
27.0ms
(/ 2.0 (* x x))

simplify728.0ms

Counts
657 → 657
Iterations
IterNodes
done5000
11489
0633

prune2.4s

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0b

localize29.0ms

Local error

Found 4 expressions with local error:

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

rewrite467.0ms

Algorithm
rewrite-expression-head
Rules
895×*-un-lft-identity
743×times-frac
444×add-sqr-sqrt
434×add-cube-cbrt
370×prod-diff
226×unpow-prod-down
151×distribute-rgt-neg-in distribute-lft-out
150×distribute-lft-neg-in
76×sqr-pow
74×fma-neg
50×neg-mul-1
26×associate-/l*
19×add-exp-log
17×associate-/r*
13×add-cbrt-cube div-inv
div-exp add-log-exp
cbrt-undiv
expm1-log1p-u pow1 log1p-expm1-u distribute-lft-out-- difference-of-squares
clear-num frac-2neg frac-sub
neg-sub0 pow-to-exp diff-log div-sub pow-exp
associate--l- sum-log sub-neg flip3-+ flip3-- frac-add distribute-frac-neg flip-+ flip-- associate--r+ associate-/l/
Counts
4 → 696
Calls
4 calls:
370.0ms
(- (/ (- 2.0) (pow x 4)) (+ (/ 2.0 (pow x 6)) (/ (/ 2.0 x) x)))
9.0ms
(/ (/ 2.0 x) x)
7.0ms
(/ 2.0 (pow x 6))
12.0ms
(/ (- 2.0) (pow x 4))

series264.0ms

Counts
4 → 12
Calls
4 calls:
103.0ms
(- (/ (- 2.0) (pow x 4)) (+ (/ 2.0 (pow x 6)) (/ (/ 2.0 x) x)))
29.0ms
(/ (/ 2.0 x) x)
69.0ms
(/ 2.0 (pow x 6))
62.0ms
(/ (- 2.0) (pow x 4))

simplify848.0ms

Counts
708 → 708
Iterations
IterNodes
done5000
11695
0722

prune2.2s

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0b

regimes73.0ms

Accuracy

99.6% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 14.1b

bsearch156.0ms

Steps
ItersRangePoint
9
9645967.64350026
1397493302199.9514
41603129.676424146
10
-4.643120335455996e+24
-1042451393952883.1
-9003244184241789.0

simplify28.0ms

Iterations
IterNodes
done36
136
028

end0.0ms

sample1.1s

Algorithm
intervals
Results
420.0ms1860×body640valid
212.0ms4204×body80valid
183.0ms1291×body320valid
48.0ms645×body160valid