Details

Time bar (total: 10.9s)

sample39.0ms

Algorithm
intervals
Results
17.0ms256×body80valid
4.0ms256×pre80true

simplify1.4s

Counts
1 → 1
Iterations

Useful iterations: done (1.4s)

IterNodesCost
01025
13225
216923
3102919
done500115

prune6.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.6b

localize9.0ms

Local error

Found 2 expressions with local error:

0.5b
(/ 1.0 (* i i))
0.7b
(/ (/ 1 (* 2.0 2.0)) (- (* 2.0 2.0) (/ 1.0 (* i i))))

rewrite61.0ms

Algorithm
rewrite-expression-head
Rules
64×times-frac
40×add-sqr-sqrt
26×add-exp-log
24×add-cube-cbrt *-un-lft-identity
16×add-cbrt-cube difference-of-squares
13×div-exp
10×associate-/l*
div-inv
cbrt-undiv
associate-/r*
prod-exp
pow1 expm1-log1p-u rec-exp frac-2neg 1-exp clear-num associate-/r/ cbrt-unprod log1p-expm1-u add-log-exp
flip3-- flip-- associate-/l/
Counts
2 → 95
Calls
2 calls:
9.0ms
(/ 1.0 (* i i))
48.0ms
(/ (/ 1 (* 2.0 2.0)) (- (* 2.0 2.0) (/ 1.0 (* i i))))

series132.0ms

Counts
2 → 6
Calls
2 calls:
52.0ms
(/ 1.0 (* i i))
80.0ms
(/ (/ 1 (* 2.0 2.0)) (- (* 2.0 2.0) (/ 1.0 (* i i))))

simplify1.3s

Counts
101 → 101
Iterations

Useful iterations: done (1.3s)

IterNodesCost
02092015
15271914
224531764
done50001762

prune246.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize21.0ms

Local error

Found 2 expressions with local error:

0.1b
(/ (/ (/ 1 (* 2.0 2.0)) (+ 2.0 (/ (sqrt 1.0) i))) (- 2.0 (/ (sqrt 1.0) i)))
0.1b
(/ (/ 1 (* 2.0 2.0)) (+ 2.0 (/ (sqrt 1.0) i)))

rewrite224.0ms

Algorithm
rewrite-expression-head
Rules
671×times-frac
463×add-sqr-sqrt
381×*-un-lft-identity
183×add-cube-cbrt
105×difference-of-squares
64×distribute-lft-out
49×add-exp-log
47×div-inv
41×associate-/l*
35×sqrt-prod distribute-lft-out--
30×div-exp
25×add-cbrt-cube
20×associate-/r/
14×cbrt-undiv
11×associate-/r*
flip3-+ flip-+
prod-exp
rec-exp 1-exp
pow1 expm1-log1p-u frac-2neg clear-num cbrt-unprod log1p-expm1-u associate-/l/ add-log-exp
flip3-- flip--
Counts
2 → 370
Calls
2 calls:
108.0ms
(/ (/ (/ 1 (* 2.0 2.0)) (+ 2.0 (/ (sqrt 1.0) i))) (- 2.0 (/ (sqrt 1.0) i)))
69.0ms
(/ (/ 1 (* 2.0 2.0)) (+ 2.0 (/ (sqrt 1.0) i)))

series282.0ms

Counts
2 → 6
Calls
2 calls:
209.0ms
(/ (/ (/ 1 (* 2.0 2.0)) (+ 2.0 (/ (sqrt 1.0) i))) (- 2.0 (/ (sqrt 1.0) i)))
73.0ms
(/ (/ 1 (* 2.0 2.0)) (+ 2.0 (/ (sqrt 1.0) i)))

simplify672.0ms

Counts
376 → 376
Iterations

Useful iterations: done (632.0ms)

IterNodesCost
046612719
1127011963
done500011675

prune729.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize10.0ms

Local error

Found 2 expressions with local error:

0.5b
(/ 1.0 (* i i))
0.7b
(/ 1 (- (* 2.0 2.0) (/ 1.0 (* i i))))

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt times-frac
14×add-cube-cbrt *-un-lft-identity
11×add-exp-log
add-cbrt-cube
difference-of-squares
associate-/r* associate-/l*
div-exp
pow1 cbrt-undiv
expm1-log1p-u frac-2neg clear-num associate-/r/ log1p-expm1-u div-inv add-log-exp
rec-exp flip3-- pow-flip 1-exp prod-exp flip-- cbrt-unprod inv-pow
Counts
2 → 66
Calls
2 calls:
13.0ms
(/ 1.0 (* i i))
31.0ms
(/ 1 (- (* 2.0 2.0) (/ 1.0 (* i i))))

series122.0ms

Counts
2 → 6
Calls
2 calls:
55.0ms
(/ 1.0 (* i i))
67.0ms
(/ 1 (- (* 2.0 2.0) (/ 1.0 (* i i))))

simplify887.0ms

Counts
72 → 72
Iterations

Useful iterations: done (883.0ms)

IterNodesCost
0140989
1319909
21423839
done5001835

prune177.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize37.0ms

Local error

Found 3 expressions with local error:

0.0b
(* 16.0 (pow i 6))
0.0b
(fma 4.0 (pow i 4) (* 16.0 (pow i 6)))
0.2b
(* (/ 1 (* 2.0 2.0)) (- (fma 1.0 (* i i) (fma 4.0 (pow i 4) (* 16.0 (pow i 6))))))

rewrite103.0ms

Algorithm
rewrite-expression-head
Rules
27×add-exp-log
21×add-sqr-sqrt
17×associate-*r*
14×add-cbrt-cube
13×prod-exp
12×*-un-lft-identity
11×add-cube-cbrt
10×associate-*l*
unswap-sqr
pow1 times-frac cbrt-unprod
unpow-prod-down div-exp
distribute-lft-neg-in expm1-log1p-u distribute-rgt-neg-in fma-udef log1p-expm1-u add-log-exp
cbrt-undiv rec-exp distribute-neg-in 1-exp *-commutative sqr-pow
distribute-rgt-in pow-to-exp neg-mul-1 distribute-lft-in pow-prod-down associate-*l/ pow-exp distribute-rgt-neg-out div-inv
Counts
3 → 82
Calls
3 calls:
26.0ms
(* 16.0 (pow i 6))
1.0ms
(fma 4.0 (pow i 4) (* 16.0 (pow i 6)))
71.0ms
(* (/ 1 (* 2.0 2.0)) (- (fma 1.0 (* i i) (fma 4.0 (pow i 4) (* 16.0 (pow i 6))))))

series347.0ms

Counts
3 → 9
Calls
3 calls:
59.0ms
(* 16.0 (pow i 6))
175.0ms
(fma 4.0 (pow i 4) (* 16.0 (pow i 6)))
114.0ms
(* (/ 1 (* 2.0 2.0)) (- (fma 1.0 (* i i) (fma 4.0 (pow i 4) (* 16.0 (pow i 6))))))

simplify2.2s

Counts
91 → 91
Iterations

Useful iterations: done (2.2s)

IterNodesCost
01701730
14561659
225601393
done50011383

prune421.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes33.0ms

Accuracy

0% (0.1b remaining)

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

bsearch0.0ms

simplify5.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01219
11519
done1519

end0.0ms

sample1.3s

Algorithm
intervals
Results
964.0ms8000×body80valid
156.0ms8000×pre80true