Details

Time bar (total: 19.8s)

sample51.0ms

Algorithm
intervals
Results
32.0ms256×body80valid
8.0ms256×pre80true

simplify1.6s

Counts
1 → 1
Iterations
IterNodes
done5000
3711
2147
132
010

prune8.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.1b

localize19.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (* 4 i) (/ 1.0 i))
0.1b
(/ i (* 4 (- (* 4 i) (/ 1.0 i))))

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
add-cbrt-cube add-exp-log
add-sqr-sqrt *-un-lft-identity add-cube-cbrt add-log-exp
times-frac associate-/l*
pow1 cbrt-undiv flip3-- div-exp associate-*r/ associate-/r/ insert-posit16 flip--
clear-num associate-/r* sub-neg frac-2neg diff-log prod-exp cbrt-unprod div-inv
Counts
2 → 37
Calls
2 calls:
11.0ms
(- (* 4 i) (/ 1.0 i))
15.0ms
(/ i (* 4 (- (* 4 i) (/ 1.0 i))))

series246.0ms

Counts
2 → 6
Calls
2 calls:
108.0ms
(- (* 4 i) (/ 1.0 i))
138.0ms
(/ i (* 4 (- (* 4 i) (/ 1.0 i))))

simplify3.0s

Counts
43 → 43
Iterations
IterNodes
done5000
34627
2824
1244
0100

prune209.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize15.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (* 4 i) (/ 1.0 i))
0.1b
(/ (* 4 (- (* 4 i) (/ 1.0 i))) i)
0.6b
(/ 1 (/ (* 4 (- (* 4 i) (/ 1.0 i))) i))

rewrite471.0ms

Algorithm
rewrite-expression-head
Rules
36×times-frac
29×add-exp-log
21×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
17×add-cbrt-cube
14×div-exp
10×associate-/r*
cbrt-undiv
div-inv
add-log-exp
pow1 prod-exp associate-/l*
rec-exp 1-exp insert-posit16
clear-num frac-2neg flip3-- associate-*r/ cbrt-unprod flip-- associate-/l/
sub-neg diff-log associate-/r/ pow-flip inv-pow
Counts
3 → 94
Calls
3 calls:
9.0ms
(- (* 4 i) (/ 1.0 i))
41.0ms
(/ (* 4 (- (* 4 i) (/ 1.0 i))) i)
420.0ms
(/ 1 (/ (* 4 (- (* 4 i) (/ 1.0 i))) i))

series495.0ms

Counts
3 → 9
Calls
3 calls:
101.0ms
(- (* 4 i) (/ 1.0 i))
246.0ms
(/ (* 4 (- (* 4 i) (/ 1.0 i))) i)
148.0ms
(/ 1 (/ (* 4 (- (* 4 i) (/ 1.0 i))) i))

simplify1.9s

Counts
103 → 103
Iterations
IterNodes
done5008
21819
1478
0173

prune264.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize48.0ms

Local error

Found 4 expressions with local error:

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

rewrite4.9s

Algorithm
rewrite-expression-head
Rules
848×pow1
370×pow-prod-up
175×pow-prod-down
153×pow-sqr
140×pow-plus
99×pow2
69×add-cbrt-cube add-exp-log
47×prod-exp cbrt-unprod
11×add-log-exp
add-sqr-sqrt *-un-lft-identity add-cube-cbrt insert-posit16
diff-log associate-*r* associate-*l* *-commutative unswap-sqr
swap-sqr neg-log
associate--l- neg-sub0 distribute-neg-in sum-log sub-neg flip3-- cube-unmult associate--l+ flip--
Counts
4 → 337
Calls
4 calls:
4.7s
(- (- (+ (* (* (* i i) (* (* i i) (* i i))) 4.0) (* 1.0 (* (* i i) (* i i))))) (* 0.25 (* i i)))
75.0ms
(* (* i i) (* (* i i) (* i i)))
26.0ms
(* (* i i) (* i i))
40.0ms
(* (* i i) (* i i))

series267.0ms

Counts
4 → 12
Calls
4 calls:
99.0ms
(- (- (+ (* (* (* i i) (* (* i i) (* i i))) 4.0) (* 1.0 (* (* i i) (* i i))))) (* 0.25 (* i i)))
75.0ms
(* (* i i) (* (* i i) (* i i)))
49.0ms
(* (* i i) (* i i))
43.0ms
(* (* i i) (* i i))

simplify1.8s

Counts
349 → 349
Iterations
IterNodes
done5002
21508
1507
0165

prune325.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize31.0ms

Local error

Found 3 expressions with local error:

0.1b
(* (* i i) (* i i))
13.4b
(/ (/ (* (* i i) (* i i)) (* (* 2 i) (* 2 i))) (- (* (* 2 i) (* 2 i)) 1.0))
40.7b
(/ (* (* i i) (* i i)) (* (* 2 i) (* 2 i)))

rewrite214.0ms

Algorithm
rewrite-expression-head
Rules
302×add-cbrt-cube add-exp-log
168×prod-exp cbrt-unprod
114×pow1
76×cbrt-undiv div-exp
36×pow-prod-up
26×times-frac
23×pow-prod-down
22×pow-sqr
20×add-sqr-sqrt
18×pow-plus
14×*-un-lft-identity add-cube-cbrt
13×pow2
div-inv
associate-/l* difference-of-squares
associate-/r*
insert-posit16 add-log-exp
clear-num frac-2neg associate-/r/
flip3-- swap-sqr associate-*r* associate-*l* *-commutative flip-- unswap-sqr associate-/l/
Counts
3 → 223
Calls
3 calls:
34.0ms
(* (* i i) (* i i))
106.0ms
(/ (/ (* (* i i) (* i i)) (* (* 2 i) (* 2 i))) (- (* (* 2 i) (* 2 i)) 1.0))
69.0ms
(/ (* (* i i) (* i i)) (* (* 2 i) (* 2 i)))

series177.0ms

Counts
3 → 9
Calls
3 calls:
35.0ms
(* (* i i) (* i i))
99.0ms
(/ (/ (* (* i i) (* i i)) (* (* 2 i) (* 2 i))) (- (* (* 2 i) (* 2 i)) 1.0))
43.0ms
(/ (* (* i i) (* i i)) (* (* 2 i) (* 2 i)))

simplify2.3s

Counts
232 → 232
Iterations
IterNodes
done5001
24789
1825
0280

prune316.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes64.0ms

Accuracy

0% (0.4b remaining)

Error of 0.5b against oracle of 0.1b and baseline of 0.5b

bsearch0.0ms

simplify3.0ms

Iterations
IterNodes
done14
114
010

end0.0ms

sample1.2s

Algorithm
intervals
Results
839.0ms8000×body80valid
181.0ms8000×pre80true