Details

Time bar (total: 11.7s)

sample62.0ms

Algorithm
intervals
Results
37.0ms256×body80valid
9.0ms256×pre80true

simplify865.0ms

Counts
1 → 1
Iterations
IterNodes
done2054
42054
3709
2152
133
010

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 12.7b

localize17.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (* i i) 1/4)
0.0b
(* (* i i) 4)
12.6b
(/ (* (* i i) 1/4) (- (* (* i i) 4) 1.0))

rewrite101.0ms

Algorithm
rewrite-expression-head
Rules
22×add-cbrt-cube add-exp-log
13×pow1
add-sqr-sqrt prod-exp cbrt-unprod
*-un-lft-identity add-cube-cbrt
associate-*r* pow-prod-down
expm1-log1p-u cbrt-undiv associate-/r* times-frac div-exp insert-posit16 log1p-expm1-u add-log-exp
associate-*l* associate-/r/ *-commutative unswap-sqr
clear-num frac-2neg flip3-- div-inv flip-- associate-/l*
Counts
3 → 72
Calls
3 calls:
21.0ms
(* (* i i) 1/4)
17.0ms
(* (* i i) 4)
62.0ms
(/ (* (* i i) 1/4) (- (* (* i i) 4) 1.0))

series197.0ms

Counts
3 → 9
Calls
3 calls:
34.0ms
(* (* i i) 1/4)
28.0ms
(* (* i i) 4)
134.0ms
(/ (* (* i i) 1/4) (- (* (* i i) 4) 1.0))

simplify1.2s

Counts
81 → 81
Iterations
IterNodes
done2012
32012
21337
1351
0134

prune189.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize27.0ms

Local error

Found 2 expressions with local error:

0.0b
(* (* i i) 4)
12.6b
(/ (* i (* i 1/4)) (- (* (* i i) 4) 1.0))

rewrite79.0ms

Algorithm
rewrite-expression-head
Rules
16×add-cbrt-cube add-exp-log
pow1
add-sqr-sqrt prod-exp cbrt-unprod
*-un-lft-identity add-cube-cbrt
cbrt-undiv associate-/r* times-frac div-exp associate-*r* pow-prod-down
expm1-log1p-u associate-/r/ insert-posit16 log1p-expm1-u add-log-exp
clear-num frac-2neg flip3-- associate-*l* *-commutative div-inv flip-- associate-/l* unswap-sqr
Counts
2 → 50
Calls
2 calls:
21.0ms
(* (* i i) 4)
57.0ms
(/ (* i (* i 1/4)) (- (* (* i i) 4) 1.0))

series139.0ms

Counts
2 → 6
Calls
2 calls:
30.0ms
(* (* i i) 4)
109.0ms
(/ (* i (* i 1/4)) (- (* (* i i) 4) 1.0))

simplify1.2s

Counts
56 → 56
Iterations
IterNodes
done2115
32115
21539
1372
0125

prune199.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize39.0ms

Local error

Found 4 expressions with local error:

10.8b
(cbrt (* (* (/ i (* (- (* 4 (* i i)) 1.0) (/ 4 i))) (/ i (* (- (* 4 (* i i)) 1.0) (/ 4 i)))) (/ i (* (- (* 4 (* i i)) 1.0) (/ 4 i)))))
12.3b
(* (- (* 4 (* i i)) 1.0) (/ 4 i))
12.3b
(* (- (* 4 (* i i)) 1.0) (/ 4 i))
12.3b
(* (- (* 4 (* i i)) 1.0) (/ 4 i))

rewrite935.0ms

Algorithm
rewrite-expression-head
Rules
43×add-sqr-sqrt
39×associate-*r*
30×times-frac
28×*-un-lft-identity add-cube-cbrt
19×add-cbrt-cube add-exp-log
11×frac-times associate-*l/
10×pow1
associate-*l*
cbrt-div
flip3-- prod-exp associate-*r/ cbrt-unprod flip-- unswap-sqr
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
cbrt-undiv div-exp pow-prod-down *-commutative div-inv
cbrt-prod pow1/3 pow3 rem-cbrt-cube
Counts
4 → 137
Calls
4 calls:
621.0ms
(cbrt (* (* (/ i (* (- (* 4 (* i i)) 1.0) (/ 4 i))) (/ i (* (- (* 4 (* i i)) 1.0) (/ 4 i)))) (/ i (* (- (* 4 (* i i)) 1.0) (/ 4 i)))))
84.0ms
(* (- (* 4 (* i i)) 1.0) (/ 4 i))
114.0ms
(* (- (* 4 (* i i)) 1.0) (/ 4 i))
113.0ms
(* (- (* 4 (* i i)) 1.0) (/ 4 i))

series704.0ms

Counts
4 → 12
Calls
4 calls:
108.0ms
(cbrt (* (* (/ i (* (- (* 4 (* i i)) 1.0) (/ 4 i))) (/ i (* (- (* 4 (* i i)) 1.0) (/ 4 i)))) (/ i (* (- (* 4 (* i i)) 1.0) (/ 4 i)))))
192.0ms
(* (- (* 4 (* i i)) 1.0) (/ 4 i))
195.0ms
(* (- (* 4 (* i i)) 1.0) (/ 4 i))
209.0ms
(* (- (* 4 (* i i)) 1.0) (/ 4 i))

simplify1.1s

Counts
149 → 149
Iterations
IterNodes
done2049
32049
21341
1358
0150

prune850.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize34.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma 0.015625 (/ 1 (* i i)) (fma (/ (/ 1 (* i i)) (* i i)) 0.00390625 1/16))
0.1b
(/ (/ 1 (* i i)) (* i i))
0.7b
(/ 1 (* i i))
0.7b
(/ 1 (* i i))

rewrite84.0ms

Algorithm
rewrite-expression-head
Rules
75×pow1
71×add-exp-log
35×add-cbrt-cube
32×pow-flip
30×div-exp
22×pow-div
19×times-frac prod-exp
14×cbrt-undiv
13×associate-/l*
12×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
10×pow2 pow-plus pow-sqr pow-prod-up
rec-exp 1-exp
pow-prod-down cbrt-unprod
div-inv
expm1-log1p-u insert-posit16 log1p-expm1-u inv-pow add-log-exp
clear-num associate-/r* frac-2neg
fma-udef associate-/l/
Counts
4 → 152
Calls
4 calls:
0.0ms
(fma 0.015625 (/ 1 (* i i)) (fma (/ (/ 1 (* i i)) (* i i)) 0.00390625 1/16))
35.0ms
(/ (/ 1 (* i i)) (* i i))
19.0ms
(/ 1 (* i i))
25.0ms
(/ 1 (* i i))

series157.0ms

Counts
4 → 12
Calls
4 calls:
57.0ms
(fma 0.015625 (/ 1 (* i i)) (fma (/ (/ 1 (* i i)) (* i i)) 0.00390625 1/16))
52.0ms
(/ (/ 1 (* i i)) (* i i))
19.0ms
(/ 1 (* i i))
29.0ms
(/ 1 (* i i))

simplify1.1s

Counts
164 → 164
Iterations
IterNodes
done2010
32010
2898
1310
0134

prune455.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes52.0ms

Accuracy

100% (0.0b remaining)

Error of 0.0b against oracle of 0.0b and baseline of 15.2b

bsearch70.0ms

Steps
ItersRangePoint
9
576.6029367193106
2362941202.8442736
1645.4224050168862

simplify3.0ms

Iterations
IterNodes
done26
126
021

end0.0ms

sample1.8s

Algorithm
intervals
Results
1.4s8000×body80valid
236.0ms8000×pre80true