Details

Time bar (total: 11.0s)

sample48.0ms

Algorithm
intervals
Results
14.0ms94×body10240exit
13.0ms68×body1280valid
7.0ms54×body640valid
3.0ms31×body320valid
3.0ms92×body80valid
1.0ms11×body160valid

simplify4.0ms

Counts
1 → 1
Iterations
IterNodes
done8
28
17
05

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 41.4b

localize7.0ms

Local error

Found 2 expressions with local error:

0.5b
(/ (exp x) (- (exp x) 1.0))
3.9b
(- (exp x) 1.0)

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt *-un-lft-identity
19×add-cube-cbrt
15×times-frac
prod-diff
associate-/r* distribute-lft-out-- difference-of-squares
add-cbrt-cube add-log-exp
fma-neg add-exp-log associate-/l*
expm1-log1p-u pow1 flip3-- associate-/r/ log1p-expm1-u flip--
cbrt-undiv clear-num sub-neg frac-2neg diff-log div-exp div-inv
Counts
2 → 67
Calls
2 calls:
25.0ms
(/ (exp x) (- (exp x) 1.0))
9.0ms
(- (exp x) 1.0)

series72.0ms

Counts
2 → 6
Calls
2 calls:
48.0ms
(/ (exp x) (- (exp x) 1.0))
23.0ms
(- (exp x) 1.0)

simplify755.0ms

Counts
73 → 73
Iterations
IterNodes
done5000
2897
1253
0117

prune259.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.4b

localize8.0ms

Local error

Found 1 expressions with local error:

0.1b
(fma 1/12 x 1/2)

rewrite1.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt expm1-log1p-u pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt fma-udef log1p-expm1-u add-log-exp
Counts
1 → 10
Calls
1 calls:
0.0ms
(fma 1/12 x 1/2)

series42.0ms

Counts
1 → 3
Calls
1 calls:
42.0ms
(fma 1/12 x 1/2)

simplify1.7s

Counts
13 → 13
Iterations
IterNodes
done5001
4950
3208
259
121
015

prune68.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.4b

localize17.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (fma 1/12 x 1/2))
0.1b
(fma 1/12 x 1/2)
0.1b
(fma 1/12 x 1/2)
0.7b
(* (sqrt (fma 1/12 x 1/2)) (sqrt (fma 1/12 x 1/2)))

rewrite15.0ms

Algorithm
rewrite-expression-head
Rules
26×add-sqr-sqrt
21×sqrt-prod
20×pow1
13×*-un-lft-identity add-cube-cbrt
sqrt-pow1 pow1/2
swap-sqr
add-cbrt-cube associate-*r* associate-*l* add-exp-log
pow-prod-up
expm1-log1p-u log1p-expm1-u add-log-exp unswap-sqr
pow-prod-down pow-sqr
fma-udef
pow2 rem-sqrt-square rem-square-sqrt pow-plus sqrt-unprod prod-exp *-commutative cbrt-unprod
Counts
4 → 86
Calls
4 calls:
1.0ms
(sqrt (fma 1/12 x 1/2))
0.0ms
(fma 1/12 x 1/2)
0.0ms
(fma 1/12 x 1/2)
11.0ms
(* (sqrt (fma 1/12 x 1/2)) (sqrt (fma 1/12 x 1/2)))

series211.0ms

Counts
4 → 12
Calls
4 calls:
57.0ms
(sqrt (fma 1/12 x 1/2))
48.0ms
(fma 1/12 x 1/2)
60.0ms
(fma 1/12 x 1/2)
46.0ms
(* (sqrt (fma 1/12 x 1/2)) (sqrt (fma 1/12 x 1/2)))

simplify1.6s

Counts
98 → 98
Iterations
IterNodes
done5000
2975
1189
085

prune465.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.4b

localize25.0ms

Local error

Found 2 expressions with local error:

0.0b
(exp (log (fma x 1/12 1/2)))
0.1b
(fma x 1/12 1/2)

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt exp-prod *-un-lft-identity add-cube-cbrt
pow1 log-prod exp-sum
expm1-log1p-u add-cbrt-cube add-exp-log log1p-expm1-u add-log-exp
log-pow fma-udef rem-exp-log
Counts
2 → 27
Calls
2 calls:
5.0ms
(exp (log (fma x 1/12 1/2)))
1.0ms
(fma x 1/12 1/2)

series125.0ms

Counts
2 → 6
Calls
2 calls:
59.0ms
(exp (log (fma x 1/12 1/2)))
66.0ms
(fma x 1/12 1/2)

simplify2.5s

Counts
33 → 33
Iterations
IterNodes
done5000
41501
3378
2128
159
041

prune159.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.4b

regimes121.0ms

Accuracy

98.4% (0.3b remaining)

Error of 0.8b against oracle of 0.4b and baseline of 21.7b

bsearch2.0ms

simplify4.0ms

Iterations
IterNodes
done23
123
020

end0.0ms

sample2.8s

Algorithm
intervals
Results
793.0ms2334×body1280valid
708.0ms2597×body10240exit
613.0ms2820×body80valid
335.0ms1560×body640valid
105.0ms868×body320valid
34.0ms419×body160valid