Details

Time bar (total: 22.3s)

sample57.0ms

Algorithm
intervals
Results
30.0ms256×body80valid
12.0ms256×pre80true

simplify5.0s

Counts
1 → 1
Iterations
IterNodes
85935
71234
6515
5299
4157
383
243
118
08

prune11.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 4.5b

localize13.0ms

Local error

Found 2 expressions with local error:

0.4b
(* (/ b a) (/ b a))
4.6b
(sqrt (fabs (- 1 (* (/ b a) (/ b a)))))

rewrite29.0ms

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
insert-posit16 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 → 82
Calls
2 calls:
25.0ms
(* (/ b a) (/ b a))
2.0ms
(sqrt (fabs (- 1 (* (/ b a) (/ b a)))))

series54.0ms

Counts
2 → 6
Calls
2 calls:
35.0ms
(* (/ b a) (/ b a))
19.0ms
(sqrt (fabs (- 1 (* (/ b a) (/ b a)))))

simplify2.7s

Counts
88 → 88
Iterations
IterNodes
34359
21233
1392
0130

prune860.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 4.5b

localize31.0ms

Local error

Found 3 expressions with local error:

0.2b
(* (/ b a) b)
4.6b
(sqrt (fabs (- 1 (/ (* (/ b a) b) a))))
7.0b
(/ (* (/ b a) b) a)

rewrite29.0ms

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
associate-/r* associate-*r* sqrt-prod insert-posit16 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 → 72
Calls
3 calls:
12.0ms
(* (/ b a) b)
1.0ms
(sqrt (fabs (- 1 (/ (* (/ b a) b) a))))
15.0ms
(/ (* (/ b a) b) a)

series90.0ms

Counts
3 → 9
Calls
3 calls:
26.0ms
(* (/ b a) b)
18.0ms
(sqrt (fabs (- 1 (/ (* (/ b a) b) a))))
46.0ms
(/ (* (/ b a) b) a)

simplify3.3s

Counts
81 → 81
Iterations
IterNodes
35521
2976
1264
0111

prune865.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 4.4b

localize21.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (fabs (- 1 (log (exp (* (/ b a) (/ b a)))))))
0.0b
(exp (* (/ b a) (/ b a)))
0.4b
(* (/ b a) (/ b a))
5.4b
(log (exp (* (/ b a) (/ b a))))

rewrite52.0ms

Algorithm
rewrite-expression-head
Rules
47×add-sqr-sqrt
40×times-frac
34×*-un-lft-identity add-cube-cbrt
16×add-cbrt-cube add-exp-log
13×pow1 swap-sqr associate-*r* associate-*l*
add-log-exp
cbrt-undiv div-exp prod-exp cbrt-unprod insert-posit16 div-inv unswap-sqr
log-prod log-pow sqrt-prod
exp-prod exp-to-pow
pow2 frac-times rem-sqrt-square sqrt-pow1 pow-plus pow1/2 rem-log-exp pow-prod-down associate-*l/ associate-*r/ pow-sqr *-commutative pow-prod-up rem-exp-log
Counts
4 → 108
Calls
4 calls:
2.0ms
(sqrt (fabs (- 1 (log (exp (* (/ b a) (/ b a)))))))
13.0ms
(exp (* (/ b a) (/ b a)))
26.0ms
(* (/ b a) (/ b a))
7.0ms
(log (exp (* (/ b a) (/ b a))))

series114.0ms

Counts
4 → 12
Calls
4 calls:
21.0ms
(sqrt (fabs (- 1 (log (exp (* (/ b a) (/ b a)))))))
24.0ms
(exp (* (/ b a) (/ b a)))
36.0ms
(* (/ b a) (/ b a))
34.0ms
(log (exp (* (/ b a) (/ b a))))

simplify2.3s

Counts
120 → 120
Iterations
IterNodes
34383
21272
1425
0153

prune1.4s

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 4.4b

localize52.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (/ b a) b)
4.6b
(sqrt (fabs (- 1 (/ (posit16->real (real->posit16 (* (/ b a) b))) a))))
7.0b
(/ (posit16->real (real->posit16 (* (/ b a) b))) a)
46.5b
(posit16->real (real->posit16 (* (/ b a) b)))

rewrite23.0ms

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
insert-posit16 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 → 84
Calls
4 calls:
16.0ms
(* (/ b a) b)
1.0ms
(sqrt (fabs (- 1 (/ (posit16->real (real->posit16 (* (/ b a) b))) a))))
4.0ms
(/ (posit16->real (real->posit16 (* (/ b a) b))) a)
0.0ms
(posit16->real (real->posit16 (* (/ b a) b)))

series129.0ms

Counts
4 → 12
Calls
4 calls:
38.0ms
(* (/ b a) b)
22.0ms
(sqrt (fabs (- 1 (/ (posit16->real (real->posit16 (* (/ b a) b))) a))))
44.0ms
(/ (posit16->real (real->posit16 (* (/ b a) b))) a)
26.0ms
(posit16->real (real->posit16 (* (/ b a) b)))

simplify1.7s

Counts
96 → 96
Iterations
IterNodes
33456
2743
1263
0129

prune2.0s

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 4.4b

regimes167.0ms

Accuracy

0% (0.1b remaining)

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

bsearch0.0ms

simplify1.0ms

Iterations
IterNodes
18
08

end0.0ms

sample1.3s

Algorithm
intervals
Results
852.0ms8000×body80valid
341.0ms8000×pre80true