Details

Time bar (total: 13.7s)

sample210.0ms

Algorithm
intervals
Results
74.0ms77×body2560valid
56.0ms116×body1280valid
44.0ms54×body10240exit
10.0ms37×body640valid
8.0ms310×pre80true
1.0msbody320valid
1.0ms19×body80valid

simplify1.1s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01724
14024
210124
325224
471124
5315424
done500124

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 59.4b

localize16.0ms

Local error

Found 4 expressions with local error:

0.5b
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0)))
3.6b
(- (exp (* a eps)) 1.0)
4.8b
(- (exp (* b eps)) 1.0)
7.6b
(- (exp (* (+ a b) eps)) 1.0)

rewrite43.0ms

Algorithm
rewrite-expression-head
Rules
31×add-sqr-sqrt *-un-lft-identity
27×prod-diff
25×add-cube-cbrt
16×add-exp-log add-cbrt-cube
10×flip3-- flip-- add-log-exp
fma-neg
associate-/r/
pow1 cbrt-undiv expm1-log1p-u frac-times associate-*r/ div-exp prod-exp cbrt-unprod log1p-expm1-u
sub-neg diff-log distribute-lft-out-- difference-of-squares
associate-*l/ associate-/l/
frac-2neg times-frac clear-num associate-/r* div-inv associate-/l*
Counts
4 → 117
Calls
4 calls:
25.0ms
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0)))
5.0ms
(- (exp (* a eps)) 1.0)
5.0ms
(- (exp (* b eps)) 1.0)
5.0ms
(- (exp (* (+ a b) eps)) 1.0)

series456.0ms

Counts
4 → 12
Calls
4 calls:
192.0ms
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0)))
34.0ms
(- (exp (* a eps)) 1.0)
184.0ms
(- (exp (* b eps)) 1.0)
45.0ms
(- (exp (* (+ a b) eps)) 1.0)

simplify749.0ms

Counts
129 → 129
Iterations

Useful iterations: 2 (259.0ms)

IterNodesCost
02282725
15962432
224501922
done50001922

prune408.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize5.0ms

Local error

Found 1 expressions with local error:

0.0b
(+ (/ 1 b) (/ 1 a))

rewrite17.0ms

Algorithm
rewrite-expression-head
Rules
20×*-un-lft-identity
15×times-frac
13×fma-def
10×add-sqr-sqrt add-cube-cbrt
distribute-lft-out
div-inv
add-log-exp
pow1 add-exp-log +-commutative expm1-log1p-u flip3-+ frac-add sum-log add-cbrt-cube flip-+ log1p-expm1-u
Counts
1 → 34
Calls
1 calls:
16.0ms
(+ (/ 1 b) (/ 1 a))

series10.0ms

Counts
1 → 3
Calls
1 calls:
10.0ms
(+ (/ 1 b) (/ 1 a))

simplify1.3s

Counts
37 → 37
Iterations

Useful iterations: 3 (137.0ms)

IterNodesCost
042245
1108231
2275211
3732210
41662210
done5000210

prune87.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize4.0ms

Local error

Found 1 expressions with local error:

15.0b
(/ (+ a b) (* a b))

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
*-un-lft-identity
add-exp-log add-cbrt-cube
times-frac associate-/l*
add-sqr-sqrt add-cube-cbrt
cbrt-undiv div-exp associate-/l/ distribute-lft-out
pow1 expm1-log1p-u frac-2neg flip3-+ prod-exp clear-num associate-/r* cbrt-unprod flip-+ log1p-expm1-u div-inv add-log-exp
Counts
1 → 27
Calls
1 calls:
9.0ms
(/ (+ a b) (* a b))

series41.0ms

Counts
1 → 3
Calls
1 calls:
41.0ms
(/ (+ a b) (* a b))

simplify1.0s

Counts
30 → 30
Iterations

Useful iterations: 2 (38.0ms)

IterNodesCost
057304
1149298
2479256
31674256
done5000256

prune65.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.0b

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ a b) b)
4.6b
(* (/ 1 a) (/ (+ a b) b))

rewrite31.0ms

Algorithm
rewrite-expression-head
Rules
43×add-sqr-sqrt
42×*-un-lft-identity
40×times-frac
26×add-exp-log add-cube-cbrt
16×associate-*r* add-cbrt-cube
13×associate-*l*
div-exp
prod-exp
distribute-lft-out
unswap-sqr
cbrt-undiv
pow1 cbrt-unprod associate-/l*
associate-/r* div-inv
expm1-log1p-u rec-exp 1-exp log1p-expm1-u associate-/l/ add-log-exp
frac-times frac-2neg flip3-+ associate-*r/ pow-prod-down associate-*l/ clear-num *-commutative flip-+
Counts
2 → 96
Calls
2 calls:
7.0ms
(/ (+ a b) b)
20.0ms
(* (/ 1 a) (/ (+ a b) b))

series57.0ms

Counts
2 → 6
Calls
2 calls:
16.0ms
(/ (+ a b) b)
41.0ms
(* (/ 1 a) (/ (+ a b) b))

simplify891.0ms

Counts
102 → 102
Iterations

Useful iterations: 2 (198.0ms)

IterNodesCost
01441177
14011035
21280901
done5000901

prune159.0ms

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0.0b

regimes96.0ms

Accuracy

-47% (4.7b remaining)

Error of 4.8b against oracle of 0.1b and baseline of 3.3b

bsearch88.0ms

Steps
ItersRangePoint
5
1.9693570888132737e-31
5.4209506770775015e-31
5.3360736243582115e-31

simplify2.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02542
13642
done3642

end0.0ms

sample6.9s

Algorithm
intervals
Results
2.5s2586×body2560valid
1.8s2020×body10240exit
1.7s3407×body1280valid
304.0ms1098×body640valid
167.0ms10022×pre80true
61.0ms345×body320valid
23.0ms437×body80valid
15.0ms129×body160valid