Details

Time bar (total: 18.5s)

sample92.0ms

Algorithm
intervals
Results
21.0ms16×body1280valid
21.0ms201×body80valid
8.0ms256×pre80true
7.0ms17×body640valid
4.0ms12×body320valid
2.0ms10×body160valid

simplify1.6s

Counts
1 → 1
Iterations
IterNodes
done5000
42747
3478
2106
131
015

prune26.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 12.7b

localize39.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- beta alpha) (fma 2.0 i (+ beta alpha)))
0.1b
(/ (/ (- beta alpha) (fma 2.0 i (+ beta alpha))) (+ 2.0 (fma 2.0 i (+ beta alpha))))
12.7b
(fma (/ (/ (- beta alpha) (fma 2.0 i (+ beta alpha))) (+ 2.0 (fma 2.0 i (+ beta alpha)))) (+ beta alpha) 1.0)

rewrite103.0ms

Algorithm
rewrite-expression-head
Rules
166×times-frac
156×*-un-lft-identity
116×add-sqr-sqrt
78×add-cube-cbrt
24×associate-/l*
20×distribute-lft-out
19×distribute-lft-out-- difference-of-squares
10×add-cbrt-cube add-exp-log
associate-/r* div-inv
cbrt-undiv div-exp
expm1-log1p-u pow1 div-sub log1p-expm1-u add-log-exp associate-/l/
clear-num frac-2neg associate-/r/
flip3-+ flip3-- flip-+ fma-udef flip--
Counts
3 → 169
Calls
3 calls:
29.0ms
(/ (- beta alpha) (fma 2.0 i (+ beta alpha)))
56.0ms
(/ (/ (- beta alpha) (fma 2.0 i (+ beta alpha))) (+ 2.0 (fma 2.0 i (+ beta alpha))))
1.0ms
(fma (/ (/ (- beta alpha) (fma 2.0 i (+ beta alpha))) (+ 2.0 (fma 2.0 i (+ beta alpha)))) (+ beta alpha) 1.0)

series695.0ms

Counts
3 → 9
Calls
3 calls:
98.0ms
(/ (- beta alpha) (fma 2.0 i (+ beta alpha)))
272.0ms
(/ (/ (- beta alpha) (fma 2.0 i (+ beta alpha))) (+ 2.0 (fma 2.0 i (+ beta alpha))))
324.0ms
(fma (/ (/ (- beta alpha) (fma 2.0 i (+ beta alpha))) (+ 2.0 (fma 2.0 i (+ beta alpha)))) (+ beta alpha) 1.0)

simplify1.5s

Counts
178 → 178
Iterations
IterNodes
done5000
22673
1620
0250

prune1.4s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 12.3b

localize30.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (+ beta alpha) (+ 2.0 (fma i 2.0 (+ beta alpha))))
0.0b
(/ (- beta alpha) (fma i 2.0 (+ beta alpha)))
0.1b
(* (/ (+ beta alpha) (+ 2.0 (fma i 2.0 (+ beta alpha)))) (/ (- beta alpha) (fma i 2.0 (+ beta alpha))))
2.1b
(+ (* (/ (+ beta alpha) (+ 2.0 (fma i 2.0 (+ beta alpha)))) (/ (- beta alpha) (fma i 2.0 (+ beta alpha)))) 1.0)

rewrite163.0ms

Algorithm
rewrite-expression-head
Rules
92×*-un-lft-identity
68×add-sqr-sqrt
66×times-frac
42×add-cube-cbrt
22×associate-*l*
20×add-cbrt-cube add-exp-log
19×associate-*r*
18×distribute-lft-out
associate-/l*
associate-/r* distribute-lft-out-- difference-of-squares
pow1 cbrt-undiv div-exp add-log-exp
expm1-log1p-u flip3-+ prod-exp associate-/r/ cbrt-unprod flip-+ log1p-expm1-u div-inv unswap-sqr associate-/l/
clear-num frac-2neg
frac-times +-commutative sum-log fma-def flip3-- div-sub pow-prod-down associate-*l/ associate-*r/ *-commutative flip--
Counts
4 → 163
Calls
4 calls:
35.0ms
(/ (+ beta alpha) (+ 2.0 (fma i 2.0 (+ beta alpha))))
14.0ms
(/ (- beta alpha) (fma i 2.0 (+ beta alpha)))
87.0ms
(* (/ (+ beta alpha) (+ 2.0 (fma i 2.0 (+ beta alpha)))) (/ (- beta alpha) (fma i 2.0 (+ beta alpha))))
20.0ms
(+ (* (/ (+ beta alpha) (+ 2.0 (fma i 2.0 (+ beta alpha)))) (/ (- beta alpha) (fma i 2.0 (+ beta alpha)))) 1.0)

series871.0ms

Counts
4 → 12
Calls
4 calls:
104.0ms
(/ (+ beta alpha) (+ 2.0 (fma i 2.0 (+ beta alpha))))
120.0ms
(/ (- beta alpha) (fma i 2.0 (+ beta alpha)))
363.0ms
(* (/ (+ beta alpha) (+ 2.0 (fma i 2.0 (+ beta alpha)))) (/ (- beta alpha) (fma i 2.0 (+ beta alpha))))
284.0ms
(+ (* (/ (+ beta alpha) (+ 2.0 (fma i 2.0 (+ beta alpha)))) (/ (- beta alpha) (fma i 2.0 (+ beta alpha)))) 1.0)

simplify1.8s

Counts
175 → 175
Iterations
IterNodes
done5001
24161
1716
0242

prune1.5s

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 12.3b

localize52.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (- beta alpha) (fma i 2.0 (+ alpha beta)))
0.0b
(exp (fma (/ (+ alpha beta) (+ 2.0 (fma i 2.0 (+ alpha beta)))) (/ (- beta alpha) (fma i 2.0 (+ alpha beta))) 1.0))
2.1b
(log (exp (fma (/ (+ alpha beta) (+ 2.0 (fma i 2.0 (+ alpha beta)))) (/ (- beta alpha) (fma i 2.0 (+ alpha beta))) 1.0)))
2.1b
(fma (/ (+ alpha beta) (+ 2.0 (fma i 2.0 (+ alpha beta)))) (/ (- beta alpha) (fma i 2.0 (+ alpha beta))) 1.0)

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt *-un-lft-identity
17×add-cube-cbrt
15×times-frac
exp-prod add-cbrt-cube add-exp-log
pow1 associate-/l* add-log-exp
expm1-log1p-u log-prod log-pow log1p-expm1-u distribute-lft-out-- difference-of-squares
associate-/r* fma-udef
exp-sum associate-/l/
cbrt-undiv clear-num frac-2neg flip3-- div-sub div-exp rem-log-exp div-inv flip-- rem-exp-log
Counts
4 → 82
Calls
4 calls:
15.0ms
(/ (- beta alpha) (fma i 2.0 (+ alpha beta)))
3.0ms
(exp (fma (/ (+ alpha beta) (+ 2.0 (fma i 2.0 (+ alpha beta)))) (/ (- beta alpha) (fma i 2.0 (+ alpha beta))) 1.0))
5.0ms
(log (exp (fma (/ (+ alpha beta) (+ 2.0 (fma i 2.0 (+ alpha beta)))) (/ (- beta alpha) (fma i 2.0 (+ alpha beta))) 1.0)))
1.0ms
(fma (/ (+ alpha beta) (+ 2.0 (fma i 2.0 (+ alpha beta)))) (/ (- beta alpha) (fma i 2.0 (+ alpha beta))) 1.0)

series1.2s

Counts
4 → 12
Calls
4 calls:
114.0ms
(/ (- beta alpha) (fma i 2.0 (+ alpha beta)))
301.0ms
(exp (fma (/ (+ alpha beta) (+ 2.0 (fma i 2.0 (+ alpha beta)))) (/ (- beta alpha) (fma i 2.0 (+ alpha beta))) 1.0))
412.0ms
(log (exp (fma (/ (+ alpha beta) (+ 2.0 (fma i 2.0 (+ alpha beta)))) (/ (- beta alpha) (fma i 2.0 (+ alpha beta))) 1.0)))
404.0ms
(fma (/ (+ alpha beta) (+ 2.0 (fma i 2.0 (+ alpha beta)))) (/ (- beta alpha) (fma i 2.0 (+ alpha beta))) 1.0)

simplify585.0ms

Counts
94 → 94
Iterations
IterNodes
done5001
21060
1320
0153

prune951.0ms

Pruning

16 alts after pruning (15 fresh and 1 done)

Merged error: 5.8b

localize33.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (- beta alpha) (fma i 2.0 (+ alpha beta)))
0.1b
(exp (log (fma (/ (+ alpha beta) (+ 2.0 (fma i 2.0 (+ alpha beta)))) (/ (- beta alpha) (fma i 2.0 (+ alpha beta))) 1.0)))
2.1b
(fma (/ (+ alpha beta) (+ 2.0 (fma i 2.0 (+ alpha beta)))) (/ (- beta alpha) (fma i 2.0 (+ alpha beta))) 1.0)
2.4b
(log (fma (/ (+ alpha beta) (+ 2.0 (fma i 2.0 (+ alpha beta)))) (/ (- beta alpha) (fma i 2.0 (+ alpha beta))) 1.0))

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt *-un-lft-identity
17×add-cube-cbrt
15×times-frac
add-exp-log
pow1 log-prod add-cbrt-cube
associate-/l*
expm1-log1p-u exp-prod log1p-expm1-u distribute-lft-out-- add-log-exp difference-of-squares
associate-/r* exp-sum
log-pow associate-/l/
cbrt-undiv clear-num frac-2neg flip3-- div-sub div-exp rem-log-exp fma-udef div-inv flip-- rem-exp-log
Counts
4 → 81
Calls
4 calls:
24.0ms
(/ (- beta alpha) (fma i 2.0 (+ alpha beta)))
3.0ms
(exp (log (fma (/ (+ alpha beta) (+ 2.0 (fma i 2.0 (+ alpha beta)))) (/ (- beta alpha) (fma i 2.0 (+ alpha beta))) 1.0)))
0.0ms
(fma (/ (+ alpha beta) (+ 2.0 (fma i 2.0 (+ alpha beta)))) (/ (- beta alpha) (fma i 2.0 (+ alpha beta))) 1.0)
1.0ms
(log (fma (/ (+ alpha beta) (+ 2.0 (fma i 2.0 (+ alpha beta)))) (/ (- beta alpha) (fma i 2.0 (+ alpha beta))) 1.0))

series1.3s

Counts
4 → 12
Calls
4 calls:
127.0ms
(/ (- beta alpha) (fma i 2.0 (+ alpha beta)))
414.0ms
(exp (log (fma (/ (+ alpha beta) (+ 2.0 (fma i 2.0 (+ alpha beta)))) (/ (- beta alpha) (fma i 2.0 (+ alpha beta))) 1.0)))
391.0ms
(fma (/ (+ alpha beta) (+ 2.0 (fma i 2.0 (+ alpha beta)))) (/ (- beta alpha) (fma i 2.0 (+ alpha beta))) 1.0)
321.0ms
(log (fma (/ (+ alpha beta) (+ 2.0 (fma i 2.0 (+ alpha beta)))) (/ (- beta alpha) (fma i 2.0 (+ alpha beta))) 1.0))

simplify712.0ms

Counts
93 → 93
Iterations
IterNodes
done5000
21158
1347
0162

prune698.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 4.2b

regimes577.0ms

Accuracy

9.4% (7.1b remaining)

Error of 11.1b against oracle of 4.0b and baseline of 11.9b

bsearch312.0ms

Steps
ItersRangePoint
8
7.771447136109609e+287
6.458252668035268e+291
8.077229676032387e+288
5
5.835558310822123e+276
1.6977225856336582e+277
1.6755828657974486e+277
7
4.644949955970094e+210
7.857719149395794e+212
1.244272110236543e+212

simplify5.0ms

Iterations
IterNodes
done53
153
046

end0.0ms

sample2.2s

Algorithm
intervals
Results
761.0ms8000×pre80true
566.0ms6418×body80valid
233.0ms495×body1280valid
197.0ms572×body640valid
69.0ms321×body320valid
28.0ms194×body160valid