Details

Time bar (total: 40.9s)

sample536.0ms

Algorithm
intervals
Results
212.0ms86×body2560valid
127.0ms73×body10240exit
119.0ms119×body1280valid
17.0ms28×body640valid
11.0ms329×pre80true
2.0msbody320valid
2.0ms12×body80valid
1.0msbody160valid

simplify3.4s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01724
14024
210124
325824
476524
5400824
done500024

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 60.7b

localize66.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
1.9b
(- (exp (* a eps)) 1.0)
3.5b
(- (exp (* b eps)) 1.0)
4.5b
(- (exp (* (+ a b) eps)) 1.0)

rewrite242.0ms

Algorithm
rewrite-expression-head
Rules
51×add-sqr-sqrt
49×*-un-lft-identity
45×prod-diff
39×add-cube-cbrt
11×distribute-rgt-in distribute-lft-in
10×add-log-exp
flip3-- fma-neg flip--
pow1 add-exp-log add-cbrt-cube
sub-neg associate-*r* associate-*l* distribute-lft-out-- difference-of-squares
expm1-log1p-u frac-times log1p-expm1-u
diff-log
associate-*r/ associate-*l/
pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 138
Calls
4 calls:
138.0ms
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
35.0ms
(- (exp (* a eps)) 1.0)
29.0ms
(- (exp (* b eps)) 1.0)
31.0ms
(- (exp (* (+ a b) eps)) 1.0)

series286.0ms

Counts
4 → 12
Calls
4 calls:
92.0ms
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
55.0ms
(- (exp (* a eps)) 1.0)
60.0ms
(- (exp (* b eps)) 1.0)
80.0ms
(- (exp (* (+ a b) eps)) 1.0)

simplify2.3s

Counts
150 → 150
Iterations

Useful iterations: done (2.3s)

IterNodesCost
02213064
15392630
225962203
done50002041

prune1.1s

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 46.9b

localize98.0ms

Local error

Found 4 expressions with local error:

2.0b
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (fma 1/6 (* (pow eps 3) (pow b 3)) (fma 1/2 (* (pow eps 2) (pow b 2)) (* b eps)))))
4.5b
(- (exp (* (+ a b) eps)) 1.0)
13.0b
(* (pow eps 2) (pow b 2))
15.9b
(* (pow eps 3) (pow b 3))

rewrite204.0ms

Algorithm
rewrite-expression-head
Rules
63×add-sqr-sqrt
40×add-exp-log
32×unswap-sqr
28×unpow-prod-down
23×*-un-lft-identity
22×prod-exp
21×add-cube-cbrt
20×associate-*r* associate-*l* add-cbrt-cube sqr-pow
14×cube-prod
12×pow-to-exp pow-exp
10×unpow2
prod-diff
cbrt-unprod add-log-exp
pow1 cbrt-undiv expm1-log1p-u div-exp log1p-expm1-u
flip3-- fma-neg flip--
cube-mult unpow3 associate-*r/ pow-prod-down associate-*l/ associate-/r/ *-commutative associate-/l/
sub-neg frac-2neg times-frac diff-log clear-num associate-/r* div-inv associate-/l* distribute-lft-out-- difference-of-squares
Counts
4 → 169
Calls
4 calls:
87.0ms
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (fma 1/6 (* (pow eps 3) (pow b 3)) (fma 1/2 (* (pow eps 2) (pow b 2)) (* b eps)))))
40.0ms
(- (exp (* (+ a b) eps)) 1.0)
30.0ms
(* (pow eps 2) (pow b 2))
36.0ms
(* (pow eps 3) (pow b 3))

series2.8s

Counts
4 → 12
Calls
4 calls:
2.6s
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (fma 1/6 (* (pow eps 3) (pow b 3)) (fma 1/2 (* (pow eps 2) (pow b 2)) (* b eps)))))
94.0ms
(- (exp (* (+ a b) eps)) 1.0)
70.0ms
(* (pow eps 2) (pow b 2))
106.0ms
(* (pow eps 3) (pow b 3))

simplify799.0ms

Counts
181 → 181
Iterations

Useful iterations: done (788.0ms)

IterNodesCost
03033696
18373420
done50002781

prune2.0s

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.1b

localize16.0ms

Local error

Found 1 expressions with local error:

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

rewrite54.0ms

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:
52.0ms
(+ (/ 1 b) (/ 1 a))

series22.0ms

Counts
1 → 3
Calls
1 calls:
22.0ms
(+ (/ 1 b) (/ 1 a))

simplify2.6s

Counts
37 → 37
Iterations

Useful iterations: 3 (640.0ms)

IterNodesCost
042245
1110231
2460211
32128210
done5001210

prune268.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.1b

localize14.0ms

Local error

Found 1 expressions with local error:

12.2b
(/ (+ a b) (* b a))

rewrite49.0ms

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:
47.0ms
(/ (+ a b) (* b a))

series535.0ms

Counts
1 → 3
Calls
1 calls:
534.0ms
(/ (+ a b) (* b a))

simplify2.7s

Counts
30 → 30
Iterations

Useful iterations: 2 (111.0ms)

IterNodesCost
058304
1148298
2513256
32313256
done5000256

prune147.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.1b

regimes343.0ms

Accuracy

0% (3.3b remaining)

Error of 3.4b against oracle of 0.1b and baseline of 3.4b

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
067
197
done97

end0.0ms

sample20.2s

Algorithm
intervals
Results
6.2s3448×body1280valid
6.1s2601×body2560valid
5.0s2051×body10240exit
893.0ms1053×body640valid
745.0ms10052×pre80true
143.0ms313×body320valid
90.0ms128×body160valid
67.0ms458×body80valid