Details

Time bar (total: 17.4s)

sample23.0ms

Algorithm
intervals
Results
10.0ms256×body80valid
3.0ms256×pre80true

simplify6.0s

Counts
1 → 1
Iterations

Useful iterations: 4 (3.8s)

IterNodesCost
01025
13225
216823
389419
4335315
done500015

prune6.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.5b

localize13.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (* 2.0 2.0) (/ 1.0 (* i i)))
0.6b
(/ 1 (* (- (* 2.0 2.0) (/ 1.0 (* i i))) (* 2.0 2.0)))
0.7b
(/ 1.0 (* i i))

rewrite127.0ms

Algorithm
rewrite-expression-head
Rules
29×add-exp-log
17×add-cbrt-cube
11×add-sqr-sqrt
10×times-frac prod-exp
pow1 add-cube-cbrt *-un-lft-identity
div-exp
prod-diff
associate-/l*
cbrt-undiv add-log-exp
cbrt-unprod
expm1-log1p-u rec-exp pow-flip 1-exp pow-prod-down log1p-expm1-u div-inv
flip3-- frac-2neg associate-*l/ clear-num associate-/r* associate-/r/ flip-- difference-of-squares
sub-neg fma-neg diff-log inv-pow
Counts
3 → 84
Calls
3 calls:
23.0ms
(- (* 2.0 2.0) (/ 1.0 (* i i)))
85.0ms
(/ 1 (* (- (* 2.0 2.0) (/ 1.0 (* i i))) (* 2.0 2.0)))
14.0ms
(/ 1.0 (* i i))

series221.0ms

Counts
3 → 9
Calls
3 calls:
92.0ms
(- (* 2.0 2.0) (/ 1.0 (* i i)))
74.0ms
(/ 1 (* (- (* 2.0 2.0) (/ 1.0 (* i i))) (* 2.0 2.0)))
55.0ms
(/ 1.0 (* i i))

simplify1.7s

Counts
93 → 93
Iterations

Useful iterations: done (1.7s)

IterNodesCost
01891478
14501301
213561104
done50001051

prune221.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize13.0ms

Local error

Found 3 expressions with local error:

0.0b
(fma 2.0 2.0 (- (/ 1.0 (* i i))))
0.4b
(/ 1 (fma 2.0 2.0 (- (/ 1.0 (* i i)))))
0.7b
(/ 1.0 (* i i))

rewrite25.0ms

Algorithm
rewrite-expression-head
Rules
13×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
12×add-exp-log times-frac
10×add-cbrt-cube
associate-/l*
pow1 div-exp associate-/r*
cbrt-undiv expm1-log1p-u log1p-expm1-u add-log-exp
frac-2neg clear-num div-inv
rec-exp pow-flip 1-exp prod-exp cbrt-unprod fma-udef inv-pow
Counts
3 → 66
Calls
3 calls:
1.0ms
(fma 2.0 2.0 (- (/ 1.0 (* i i))))
12.0ms
(/ 1 (fma 2.0 2.0 (- (/ 1.0 (* i i)))))
9.0ms
(/ 1.0 (* i i))

series202.0ms

Counts
3 → 9
Calls
3 calls:
93.0ms
(fma 2.0 2.0 (- (/ 1.0 (* i i))))
77.0ms
(/ 1 (fma 2.0 2.0 (- (/ 1.0 (* i i)))))
33.0ms
(/ 1.0 (* i i))

simplify2.3s

Counts
75 → 75
Iterations

Useful iterations: done (2.3s)

IterNodesCost
0122963
1233897
2522807
31489807
done5000806

prune215.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0b

localize16.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (fma 2.0 2.0 (- (log (exp (/ 1.0 (* i i)))))))
0.0b
(exp (/ 1.0 (* i i)))
0.7b
(/ 1.0 (* i i))
2.2b
(log (exp (/ 1.0 (* i i))))

rewrite54.0ms

Algorithm
rewrite-expression-head
Rules
19×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
18×times-frac
14×exp-prod
13×add-exp-log
11×add-cbrt-cube
log-pow
pow1 associate-/l*
add-log-exp
expm1-log1p-u div-exp associate-/r* log1p-expm1-u div-inv
cbrt-undiv log-prod
frac-2neg clear-num
rec-exp pow-flip 1-exp rem-log-exp prod-exp cbrt-unprod rem-exp-log inv-pow
Counts
4 → 94
Calls
4 calls:
12.0ms
(/ 1 (fma 2.0 2.0 (- (log (exp (/ 1.0 (* i i)))))))
17.0ms
(exp (/ 1.0 (* i i)))
10.0ms
(/ 1.0 (* i i))
10.0ms
(log (exp (/ 1.0 (* i i))))

series228.0ms

Counts
4 → 12
Calls
4 calls:
80.0ms
(/ 1 (fma 2.0 2.0 (- (log (exp (/ 1.0 (* i i)))))))
55.0ms
(exp (/ 1.0 (* i i)))
34.0ms
(/ 1.0 (* i i))
58.0ms
(log (exp (/ 1.0 (* i i))))

simplify2.3s

Counts
106 → 106
Iterations

Useful iterations: done (2.2s)

IterNodesCost
01571285
12821078
2601981
31614981
done5000980

prune293.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize29.0ms

Local error

Found 1 expressions with local error:

0.0b
(* 16.0 (pow i 6))

rewrite14.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
associate-*r*
add-exp-log
add-cube-cbrt unpow-prod-down *-un-lft-identity
associate-*l* prod-exp add-cbrt-cube unswap-sqr
sqr-pow
pow1 expm1-log1p-u pow-to-exp pow-exp *-commutative cbrt-unprod log1p-expm1-u add-log-exp
Counts
1 → 27
Calls
1 calls:
13.0ms
(* 16.0 (pow i 6))

series72.0ms

Counts
1 → 3
Calls
1 calls:
72.0ms
(* 16.0 (pow i 6))

simplify1.6s

Counts
30 → 30
Iterations

Useful iterations: done (1.6s)

IterNodesCost
052233
1102210
2243198
3907193
done5001192

prune106.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes38.0ms

Accuracy

100% (0.0b remaining)

Error of 0.0b against oracle of 0.0b and baseline of 15.3b

bsearch70.0ms

Steps
ItersRangePoint
7
0.0006187959091979225
0.04942401574813407
0.03786223385988405

simplify12.0ms

Iterations

Useful iterations: 4 (10.0ms)

IterNodesCost
02845
13545
23945
34245
44544
done4544

end0.0ms

sample1.4s

Algorithm
intervals
Results
674.0ms8000×body80valid
553.0ms8000×pre80true