Details

Time bar (total: 16.5s)

sample32.0ms

Algorithm
intervals
Results
16.0ms256×body80valid
7.0ms256×pre80true

simplify2.9s

Counts
1 → 1

prune22.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 8.8b

localize15.0ms

Local error

Found 2 expressions with local error:

8.8b
(sqrt (fabs (- 1 (* (/ b a) (/ b a)))))
0.4b
(* (/ b a) (/ b a))

rewrite15.0ms

Algorithm
rewrite-expression-head
Rules
44×add-sqr-sqrt
40×times-frac
31×*-un-lft-identity add-cube-cbrt
14×add-cbrt-cube add-exp-log
13×swap-sqr associate-*r* associate-*l*
10×pow1
cbrt-undiv div-exp prod-exp cbrt-unprod div-inv unswap-sqr
sqrt-prod
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
pow2 frac-times rem-sqrt-square sqrt-pow1 pow-plus pow1/2 pow-prod-down associate-*l/ associate-*r/ pow-sqr *-commutative pow-prod-up
Counts
2 → 86
Calls
2 calls:
Slowest
13.0ms
(* (/ b a) (/ b a))
1.0ms
(sqrt (fabs (- 1 (* (/ b a) (/ b a)))))

series65.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
45.0ms
(* (/ b a) (/ b a))
20.0ms
(sqrt (fabs (- 1 (* (/ b a) (/ b a)))))

simplify1.7s

Counts
92 → 92

prune876.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 8.8b

localize16.0ms

Local error

Found 3 expressions with local error:

8.8b
(sqrt (fabs (- 1 (/ (* (/ b a) b) a))))
6.6b
(/ (* (/ b a) b) a)
0.2b
(* (/ b a) b)

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
17×add-cbrt-cube add-exp-log
14×*-un-lft-identity add-cube-cbrt
13×times-frac associate-*l*
pow1
cbrt-undiv div-exp
prod-exp cbrt-unprod
expm1-log1p-u associate-/r* associate-*r* sqrt-prod insert-posit16 log1p-expm1-u add-log-exp
associate-*l/ div-inv unswap-sqr
rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 pow-prod-down *-commutative associate-/l* associate-/l/
Counts
3 → 78
Calls
3 calls:
Slowest
11.0ms
(/ (* (/ b a) b) a)
9.0ms
(* (/ b a) b)
1.0ms
(sqrt (fabs (- 1 (/ (* (/ b a) b) a))))

series78.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
33.0ms
(* (/ b a) b)
32.0ms
(/ (* (/ b a) b) a)
13.0ms
(sqrt (fabs (- 1 (/ (* (/ b a) b) a))))

simplify1.6s

Counts
87 → 87

prune832.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 8.6b

localize19.0ms

Local error

Found 4 expressions with local error:

16.2b
(cbrt (* (fabs (- 1 (* (/ b a) (/ b a)))) (sqrt (fabs (- 1 (* (/ b a) (/ b a)))))))
8.8b
(sqrt (fabs (- 1 (* (/ b a) (/ b a)))))
0.4b
(* (/ b a) (/ b a))
0.4b
(* (/ b a) (/ b a))

rewrite47.0ms

Algorithm
rewrite-expression-head
Rules
87×add-sqr-sqrt
80×times-frac
61×*-un-lft-identity add-cube-cbrt
28×add-cbrt-cube add-exp-log
26×swap-sqr associate-*r* associate-*l*
19×pow1
cbrt-undiv div-exp prod-exp cbrt-unprod div-inv unswap-sqr
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
sqrt-prod
pow2 frac-times pow-plus pow-prod-down associate-*l/ associate-*r/ pow-sqr *-commutative pow-prod-up
cbrt-prod rem-sqrt-square sqrt-pow1 pow1/2 pow1/3 pow3 rem-cbrt-cube
Counts
4 → 169
Calls
4 calls:
Slowest
21.0ms
(* (/ b a) (/ b a))
13.0ms
(* (/ b a) (/ b a))
8.0ms
(cbrt (* (fabs (- 1 (* (/ b a) (/ b a)))) (sqrt (fabs (- 1 (* (/ b a) (/ b a)))))))
2.0ms
(sqrt (fabs (- 1 (* (/ b a) (/ b a)))))

series125.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
45.0ms
(* (/ b a) (/ b a))
34.0ms
(* (/ b a) (/ b a))
24.0ms
(cbrt (* (fabs (- 1 (* (/ b a) (/ b a)))) (sqrt (fabs (- 1 (* (/ b a) (/ b a)))))))
22.0ms
(sqrt (fabs (- 1 (* (/ b a) (/ b a)))))

simplify1.7s

Counts
181 → 181

prune2.2s

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 8.6b

localize41.0ms

Local error

Found 4 expressions with local error:

45.7b
(posit16->real (real->posit16 (* (/ b a) b)))
8.8b
(sqrt (fabs (- 1 (/ (posit16->real (real->posit16 (* (/ b a) b))) a))))
6.6b
(/ (posit16->real (real->posit16 (* (/ b a) b))) a)
0.2b
(* (/ b a) b)

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
27×add-sqr-sqrt
21×*-un-lft-identity add-cube-cbrt
19×times-frac
13×associate-*l*
11×add-cbrt-cube add-exp-log
pow1
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
associate-/r* associate-*r* sqrt-prod associate-/l*
cbrt-undiv div-exp prod-exp cbrt-unprod div-inv unswap-sqr
rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 pow-prod-down associate-*l/ *-commutative remove-posit16
Counts
4 → 92
Calls
4 calls:
Slowest
19.0ms
(* (/ b a) b)
8.0ms
(/ (posit16->real (real->posit16 (* (/ b a) b))) a)
2.0ms
(sqrt (fabs (- 1 (/ (posit16->real (real->posit16 (* (/ b a) b))) a))))
1.0ms
(posit16->real (real->posit16 (* (/ b a) b)))

series116.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
39.0ms
(/ (posit16->real (real->posit16 (* (/ b a) b))) a)
34.0ms
(posit16->real (real->posit16 (* (/ b a) b)))
22.0ms
(* (/ b a) b)
21.0ms
(sqrt (fabs (- 1 (/ (posit16->real (real->posit16 (* (/ b a) b))) a))))

simplify873.0ms

Counts
104 → 104

prune1.8s

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 8.6b

regimes138.0ms

Accuracy

0% (0.1b remaining)

Error of 7.6b against oracle of 7.5b and baseline of 7.6b

bsearch2.0ms

end0.0ms

sample1.1s

Algorithm
intervals
Results
703.0ms8000×body80valid
310.0ms8000×pre80true