Details

Time bar (total: 30.1s)

sample377.0ms

Algorithm
intervals
Results
131.0ms73×body10240exit
118.0ms90×body2560valid
74.0ms105×body1280valid
13.0ms29×body640valid
8.0ms329×pre80true
4.0ms11×body320valid
2.0ms16×body80valid
1.0msbody160valid

simplify2.2s

Counts
1 → 1
Iterations
IterNodes
done5000
54020
4765
3258
2101
140
017

prune15.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 59.6b

localize61.0ms

Local error

Found 4 expressions with local error:

0.7b
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
3.1b
(- (exp (* b eps)) 1.0)
3.4b
(- (exp (* a eps)) 1.0)
5.4b
(- (exp (* (+ a b) eps)) 1.0)

rewrite167.0ms

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-cbrt-cube add-exp-log
sub-neg associate-*r* associate-*l* distribute-lft-out-- difference-of-squares
expm1-log1p-u frac-times log1p-expm1-u
diff-log
associate-*l/ associate-*r/
pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 138
Calls
4 calls:
91.0ms
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
24.0ms
(- (exp (* b eps)) 1.0)
22.0ms
(- (exp (* a eps)) 1.0)
25.0ms
(- (exp (* (+ a b) eps)) 1.0)

series255.0ms

Counts
4 → 12
Calls
4 calls:
79.0ms
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
53.0ms
(- (exp (* b eps)) 1.0)
55.0ms
(- (exp (* a eps)) 1.0)
68.0ms
(- (exp (* (+ a b) eps)) 1.0)

simplify1.5s

Counts
150 → 150
Iterations
IterNodes
done5000
22587
1540
0221

prune949.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 48.4b

localize40.0ms

Local error

Found 4 expressions with local error:

4.8b
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (fma (* a a) (* 1/2 (* eps eps)) (fma (pow eps 3) (* 1/6 (pow a 3)) (* eps a))) (- (exp (* b eps)) 1.0)))
5.4b
(- (exp (* (+ a b) eps)) 1.0)
11.2b
(fma (* a a) (* 1/2 (* eps eps)) (fma (pow eps 3) (* 1/6 (pow a 3)) (* eps a)))
13.3b
(fma (pow eps 3) (* 1/6 (pow a 3)) (* eps a))

rewrite81.0ms

Algorithm
rewrite-expression-head
Rules
16×add-cbrt-cube add-exp-log
13×add-sqr-sqrt *-un-lft-identity
11×add-cube-cbrt
prod-diff
add-log-exp
expm1-log1p-u pow1 cbrt-undiv div-exp prod-exp associate-*r/ cbrt-unprod log1p-expm1-u
flip3-- fma-neg flip--
associate-/r/ fma-udef associate-/l/
clear-num associate-/r* sub-neg frac-2neg times-frac diff-log div-inv associate-/l* distribute-lft-out-- difference-of-squares
Counts
4 → 75
Calls
4 calls:
54.0ms
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (fma (* a a) (* 1/2 (* eps eps)) (fma (pow eps 3) (* 1/6 (pow a 3)) (* eps a))) (- (exp (* b eps)) 1.0)))
22.0ms
(- (exp (* (+ a b) eps)) 1.0)
0.0ms
(fma (* a a) (* 1/2 (* eps eps)) (fma (pow eps 3) (* 1/6 (pow a 3)) (* eps a)))
1.0ms
(fma (pow eps 3) (* 1/6 (pow a 3)) (* eps a))

series1.7s

Counts
4 → 12
Calls
4 calls:
1.3s
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (fma (* a a) (* 1/2 (* eps eps)) (fma (pow eps 3) (* 1/6 (pow a 3)) (* eps a))) (- (exp (* b eps)) 1.0)))
67.0ms
(- (exp (* (+ a b) eps)) 1.0)
143.0ms
(fma (* a a) (* 1/2 (* eps eps)) (fma (pow eps 3) (* 1/6 (pow a 3)) (* eps a)))
185.0ms
(fma (pow eps 3) (* 1/6 (pow a 3)) (* eps a))

simplify1.5s

Counts
87 → 87
Iterations
IterNodes
done5000
23136
1574
0205

prune904.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.1b

localize14.0ms

Local error

Found 1 expressions with local error:

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

rewrite44.0ms

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
expm1-log1p-u pow1 +-commutative sum-log flip3-+ add-cbrt-cube frac-add add-exp-log flip-+ log1p-expm1-u
Counts
1 → 34
Calls
1 calls:
40.0ms
(+ (/ 1 b) (/ 1 a))

series12.0ms

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

simplify2.2s

Counts
37 → 37
Iterations
IterNodes
done5000
32236
2439
1110
042

prune223.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

localize13.0ms

Local error

Found 1 expressions with local error:

15.5b
(/ (+ b a) (* a b))

rewrite34.0ms

Algorithm
rewrite-expression-head
Rules
*-un-lft-identity
add-cbrt-cube add-exp-log
times-frac associate-/l*
add-sqr-sqrt add-cube-cbrt
cbrt-undiv div-exp distribute-lft-out associate-/l/
expm1-log1p-u pow1 clear-num associate-/r* frac-2neg flip3-+ prod-exp cbrt-unprod flip-+ log1p-expm1-u div-inv add-log-exp
Counts
1 → 27
Calls
1 calls:
32.0ms
(/ (+ b a) (* a b))

series52.0ms

Counts
1 → 3
Calls
1 calls:
52.0ms
(/ (+ b a) (* a b))

simplify2.0s

Counts
30 → 30
Iterations
IterNodes
done5000
32995
2619
1150
058

prune89.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

regimes228.0ms

Accuracy

0% (3.2b remaining)

Error of 3.2b against oracle of 0.1b and baseline of 3.2b

bsearch0.0ms

simplify3.0ms

Iterations
IterNodes
done9
19
06

end0.0ms

sample15.5s

Algorithm
intervals
Results
5.1s2615×body2560valid
5.0s3397×body1280valid
3.5s1968×body10240exit
635.0ms1066×body640valid
360.0ms9969×pre80true
226.0ms354×body320valid
52.0ms436×body80valid
30.0ms133×body160valid