Details

Time bar (total: 35.8s)

sample47.0ms

Algorithm
intervals
Results
27.0ms256×body80valid
7.0ms256×pre80true

simplify3.4s

Counts
1 → 1
Iterations
IterNodes
43914
3700
2147
132
010

prune9.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.2b

localize12.0ms

Local error

Found 2 expressions with local error:

0.2b
(/ 1.0 (* i i))
0.3b
(/ 1/4 (- 4 (/ 1.0 (* i i))))

rewrite34.0ms

Algorithm
rewrite-expression-head
Rules
31×add-sqr-sqrt
25×times-frac
23×*-un-lft-identity
15×add-cube-cbrt
add-cbrt-cube add-exp-log
difference-of-squares
associate-/r*
associate-/l*
distribute-lft-out--
cbrt-undiv div-exp
pow1 clear-num frac-2neg associate-/r/ insert-posit16 div-inv add-log-exp
flip3-- prod-exp cbrt-unprod flip--
Counts
2 → 64
Calls
2 calls:
10.0ms
(/ 1.0 (* i i))
22.0ms
(/ 1/4 (- 4 (/ 1.0 (* i i))))

series109.0ms

Counts
2 → 6
Calls
2 calls:
31.0ms
(/ 1.0 (* i i))
77.0ms
(/ 1/4 (- 4 (/ 1.0 (* i i))))

simplify765.0ms

Counts
70 → 70
Iterations
IterNodes
32602
2761
1299
0141

prune349.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize40.0ms

Local error

Found 3 expressions with local error:

0.2b
(/ 1.0 (* i i))
0.2b
(* (* (cbrt 1/4) (cbrt 1/4)) (/ (cbrt 1/4) (- 4 (/ 1.0 (* i i)))))
0.3b
(/ (cbrt 1/4) (- 4 (/ 1.0 (* i i))))

rewrite76.0ms

Algorithm
rewrite-expression-head
Rules
102×add-sqr-sqrt
90×times-frac
71×*-un-lft-identity
45×add-cube-cbrt
42×associate-*r*
40×cbrt-prod
26×difference-of-squares
22×add-exp-log
15×add-cbrt-cube
13×distribute-lft-out--
associate-/l*
pow1
associate-/r* prod-exp cbrt-unprod
cbrt-undiv div-exp
associate-/r/
pow-prod-down insert-posit16 div-inv add-log-exp unswap-sqr
clear-num frac-2neg flip3-- flip--
associate-*l* associate-*r/ *-commutative
Counts
3 → 151
Calls
3 calls:
6.0ms
(/ 1.0 (* i i))
50.0ms
(* (* (cbrt 1/4) (cbrt 1/4)) (/ (cbrt 1/4) (- 4 (/ 1.0 (* i i)))))
17.0ms
(/ (cbrt 1/4) (- 4 (/ 1.0 (* i i))))

series297.0ms

Counts
3 → 9
Calls
3 calls:
39.0ms
(/ 1.0 (* i i))
135.0ms
(* (* (cbrt 1/4) (cbrt 1/4)) (/ (cbrt 1/4) (- 4 (/ 1.0 (* i i)))))
123.0ms
(/ (cbrt 1/4) (- 4 (/ 1.0 (* i i))))

simplify696.0ms

Counts
160 → 160
Iterations
IterNodes
22469
1694
0245

prune932.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize34.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (- (* 1.0 (- (* (* i i) (* i i)))) (* (* (* i i) (* i i)) (* (* i i) 4.0))) (* 0.25 (* i i)))
0.1b
(* (* (* i i) (* i i)) (* (* i i) 4.0))
0.2b
(* (* i i) (* i i))
0.2b
(* (* i i) (* i i))

rewrite342.0ms

Algorithm
rewrite-expression-head
Rules
295×pow1
100×pow-prod-down
97×add-cbrt-cube add-exp-log
72×pow-prod-up
70×prod-exp cbrt-unprod
44×pow-sqr
36×pow-plus
26×pow2
add-log-exp
add-sqr-sqrt *-un-lft-identity add-cube-cbrt insert-posit16
diff-log associate-*r* associate-*l* *-commutative
sub-neg swap-sqr associate--l+ unswap-sqr
associate--l- flip3-- flip--
Counts
4 → 201
Calls
4 calls:
103.0ms
(- (- (* 1.0 (- (* (* i i) (* i i)))) (* (* (* i i) (* i i)) (* (* i i) 4.0))) (* 0.25 (* i i)))
150.0ms
(* (* (* i i) (* i i)) (* (* i i) 4.0))
38.0ms
(* (* i i) (* i i))
43.0ms
(* (* i i) (* i i))

series216.0ms

Counts
4 → 12
Calls
4 calls:
76.0ms
(- (- (* 1.0 (- (* (* i i) (* i i)))) (* (* (* i i) (* i i)) (* (* i i) 4.0))) (* 0.25 (* i i)))
62.0ms
(* (* (* i i) (* i i)) (* (* i i) 4.0))
35.0ms
(* (* i i) (* i i))
42.0ms
(* (* i i) (* i i))

simplify23.5s

Counts
213 → 213
Iterations
IterNodes
316817
21802
1428
0141

prune558.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize29.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1.0 (* i i))
0.2b
(/ 1.0 (* i i))
0.2b
(/ 1.0 (* i i))
27.1b
(* (/ 1/4 (- (* 4 4) (* (/ 1.0 (* i i)) (/ 1.0 (* i i))))) (+ 4 (/ 1.0 (* i i))))

rewrite89.0ms

Algorithm
rewrite-expression-head
Rules
24×add-sqr-sqrt add-cbrt-cube add-exp-log
22×times-frac
21×*-un-lft-identity
19×add-cube-cbrt
18×associate-*l*
associate-/l*
cbrt-undiv div-exp
pow1
prod-exp cbrt-unprod
associate-*r* insert-posit16 div-inv add-log-exp
clear-num associate-/r* frac-2neg difference-of-squares
frac-times flip3-+ associate-*r/ associate-/r/ flip-+ unswap-sqr
distribute-rgt-in distribute-lft-in flip3-- pow-prod-down associate-*l/ *-commutative flip-- distribute-lft-out
Counts
4 → 111
Calls
4 calls:
7.0ms
(/ 1.0 (* i i))
7.0ms
(/ 1.0 (* i i))
6.0ms
(/ 1.0 (* i i))
67.0ms
(* (/ 1/4 (- (* 4 4) (* (/ 1.0 (* i i)) (/ 1.0 (* i i))))) (+ 4 (/ 1.0 (* i i))))

series228.0ms

Counts
4 → 12
Calls
4 calls:
51.0ms
(/ 1.0 (* i i))
50.0ms
(/ 1.0 (* i i))
35.0ms
(/ 1.0 (* i i))
92.0ms
(* (/ 1/4 (- (* 4 4) (* (/ 1.0 (* i i)) (/ 1.0 (* i i))))) (+ 4 (/ 1.0 (* i i))))

simplify1.4s

Counts
123 → 123
Iterations
IterNodes
22406
1561
0164

prune834.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes38.0ms

Accuracy

0% (0.5b remaining)

Error of 0.5b against oracle of 0.0b and baseline of 0.5b

bsearch0.0ms

simplify4.0ms

Iterations
IterNodes
212
112
011

end0.0ms

sample1.8s

Algorithm
intervals
Results
1.5s8000×body80valid
245.0ms8000×pre80true