Details

Time bar (total: 10.5s)

sample213.0ms

Algorithm
intervals
Results
76.0ms83×body2560valid
53.0ms111×body1280valid
47.0ms59×body10240exit
9.0ms36×body640valid
5.0ms315×pre80true
1.0msbody320valid
1.0ms15×body80valid
0.0msbody160valid

simplify101.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
04013
110113
225813
376613
4389513
5500113
done500113

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 60.3b

localize21.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
3.3b
(- (exp (* b eps)) 1.0)
3.5b
(- (exp (* a eps)) 1.0)
5.5b
(- (exp (* (+ a b) eps)) 1.0)

rewrite124.0ms

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:
76.0ms
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
14.0ms
(- (exp (* b eps)) 1.0)
14.0ms
(- (exp (* a eps)) 1.0)
15.0ms
(- (exp (* (+ a b) eps)) 1.0)

series177.0ms

Counts
4 → 12
Calls
4 calls:
52.0ms
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
33.0ms
(- (exp (* b eps)) 1.0)
40.0ms
(- (exp (* a eps)) 1.0)
50.0ms
(- (exp (* (+ a b) eps)) 1.0)

simplify67.0ms

Counts
150 → 150
Iterations

Useful iterations: 2 (50.0ms)

IterNodesCost
04881660
120511241
250031216
done50031216

prune480.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 52.0b

localize29.0ms

Local error

Found 4 expressions with local error:

4.0b
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (fma 1/6 (* (pow a 3) (pow eps 3)) (fma 1/2 (* (pow a 2) (pow eps 2)) (* a eps))) (- (exp (* b eps)) 1.0)))
5.5b
(- (exp (* (+ a b) eps)) 1.0)
12.9b
(* (pow a 2) (pow eps 2))
14.3b
(* (pow a 3) (pow eps 3))

rewrite109.0ms

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 associate-*r/ div-exp log1p-expm1-u
flip3-- fma-neg flip--
cube-mult unpow3 pow-prod-down 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:
45.0ms
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (fma 1/6 (* (pow a 3) (pow eps 3)) (fma 1/2 (* (pow a 2) (pow eps 2)) (* a eps))) (- (exp (* b eps)) 1.0)))
15.0ms
(- (exp (* (+ a b) eps)) 1.0)
17.0ms
(* (pow a 2) (pow eps 2))
24.0ms
(* (pow a 3) (pow eps 3))

series1.0s

Counts
4 → 12
Calls
4 calls:
854.0ms
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (fma 1/6 (* (pow a 3) (pow eps 3)) (fma 1/2 (* (pow a 2) (pow eps 2)) (* a eps))) (- (exp (* b eps)) 1.0)))
56.0ms
(- (exp (* (+ a b) eps)) 1.0)
34.0ms
(* (pow a 2) (pow eps 2))
71.0ms
(* (pow a 3) (pow eps 3))

simplify132.0ms

Counts
181 → 181
Iterations

Useful iterations: 2 (115.0ms)

IterNodesCost
07901822
144901421
250011416
done50011416

prune765.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.1b

localize5.0ms

Local error

Found 1 expressions with local error:

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

rewrite31.0ms

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:
30.0ms
(+ (/ 1 b) (/ 1 a))

series12.0ms

Counts
1 → 3
Calls
1 calls:
12.0ms
(+ (/ 1 b) (/ 1 a))

simplify71.0ms

Counts
37 → 37
Iterations

Useful iterations: 2 (12.0ms)

IterNodesCost
0107112
1368101
2127498
3314498
4500198
done500198

prune92.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.1b

localize5.0ms

Local error

Found 1 expressions with local error:

14.4b
(/ (+ b a) (* b a))

rewrite22.0ms

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:
21.0ms
(/ (+ b a) (* b a))

series42.0ms

Counts
1 → 3
Calls
1 calls:
42.0ms
(/ (+ b a) (* b a))

simplify49.0ms

Counts
30 → 30
Iterations

Useful iterations: 1 (6.0ms)

IterNodesCost
0149142
1531120
22110120
35001120
done5001120

prune45.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.1b

regimes94.0ms

Accuracy

0% (3.2b remaining)

Error of 3.5b against oracle of 0.3b and baseline of 3.5b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
093
193
done93

end0.0ms

sample6.8s

Algorithm
intervals
Results
2.5s2620×body2560valid
1.8s2023×body10240exit
1.6s3374×body1280valid
285.0ms1074×body640valid
150.0ms10024×pre80true
60.0ms338×body320valid
24.0ms469×body80valid
17.0ms126×body160valid