Details

Time bar (total: 36.0s)

sample400.0ms

Algorithm
intervals
Results
136.0ms75×body10240exit
109.0ms75×body2560valid
102.0ms111×body1280valid
16.0ms35×body640valid
8.0ms331×pre80true
4.0ms11×body320valid
2.0ms20×body80valid
1.0msbody160valid

simplify2.3s

Counts
1 → 1
Iterations
IterNodes
done5000
52307
4629
3237
295
140
017

prune19.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 58.9b

localize54.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
3.2b
(- (exp (* b eps)) 1.0)
4.7b
(- (exp (* a eps)) 1.0)
7.2b
(- (exp (* (+ a b) eps)) 1.0)

rewrite95.0ms

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:
57.0ms
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
12.0ms
(- (exp (* b eps)) 1.0)
11.0ms
(- (exp (* a eps)) 1.0)
12.0ms
(- (exp (* (+ a b) eps)) 1.0)

series214.0ms

Counts
4 → 12
Calls
4 calls:
67.0ms
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
58.0ms
(- (exp (* b eps)) 1.0)
35.0ms
(- (exp (* a eps)) 1.0)
54.0ms
(- (exp (* (+ a b) eps)) 1.0)

simplify1.6s

Counts
150 → 150
Iterations
IterNodes
done5007
21672
1539
0221

prune1.2s

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 49.5b

localize95.0ms

Local error

Found 4 expressions with local error:

3.8b
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (fma (* 1/6 (* (* a a) a)) (* eps (* eps eps)) (fma eps a (* (* (* a a) 1/2) (* eps eps)))) (- (exp (* b eps)) 1.0)))
7.2b
(- (exp (* (+ a b) eps)) 1.0)
17.7b
(* (* (* a a) 1/2) (* eps eps))
18.8b
(fma (* 1/6 (* (* a a) a)) (* eps (* eps eps)) (fma eps a (* (* (* a a) 1/2) (* eps eps))))

rewrite157.0ms

Algorithm
rewrite-expression-head
Rules
37×add-cbrt-cube add-exp-log
25×pow1
19×prod-exp cbrt-unprod
15×pow-prod-down
13×add-sqr-sqrt *-un-lft-identity
11×add-cube-cbrt
prod-diff
add-log-exp
expm1-log1p-u cbrt-undiv div-exp associate-*r/ log1p-expm1-u
flip3-- fma-neg flip--
associate-/r/ associate-/l/
clear-num associate-/r* sub-neg frac-2neg times-frac diff-log associate-*r* associate-*l* *-commutative fma-udef div-inv associate-/l* distribute-lft-out-- difference-of-squares
Counts
4 → 95
Calls
4 calls:
40.0ms
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (fma (* 1/6 (* (* a a) a)) (* eps (* eps eps)) (fma eps a (* (* (* a a) 1/2) (* eps eps)))) (- (exp (* b eps)) 1.0)))
13.0ms
(- (exp (* (+ a b) eps)) 1.0)
100.0ms
(* (* (* a a) 1/2) (* eps eps))
1.0ms
(fma (* 1/6 (* (* a a) a)) (* eps (* eps eps)) (fma eps a (* (* (* a a) 1/2) (* eps eps))))

series1.4s

Counts
4 → 12
Calls
4 calls:
1.2s
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (fma (* 1/6 (* (* a a) a)) (* eps (* eps eps)) (fma eps a (* (* (* a a) 1/2) (* eps eps)))) (- (exp (* b eps)) 1.0)))
71.0ms
(- (exp (* (+ a b) eps)) 1.0)
51.0ms
(* (* (* a a) 1/2) (* eps eps))
135.0ms
(fma (* 1/6 (* (* a a) a)) (* eps (* eps eps)) (fma eps a (* (* (* a a) 1/2) (* eps eps))))

simplify4.1s

Counts
107 → 107
Iterations
IterNodes
done5509
22898
1696
0241

prune745.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.3b

localize14.0ms

Local error

Found 1 expressions with local error:

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

rewrite45.0ms

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:
42.0ms
(+ (/ 1 a) (/ 1 b))

series20.0ms

Counts
1 → 3
Calls
1 calls:
20.0ms
(+ (/ 1 a) (/ 1 b))

simplify3.9s

Counts
37 → 37
Iterations
IterNodes
done5000
54525
41680
3692
2316
1110
042

prune274.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.2b

localize39.0ms

Local error

Found 4 expressions with local error:

0.6b
(* (cbrt a) (cbrt a))
0.6b
(cbrt a)
0.6b
(cbrt a)
0.6b
(cbrt a)

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
23×add-sqr-sqrt
15×*-un-lft-identity add-cube-cbrt
11×pow1
pow1/3
swap-sqr associate-*r* associate-*l* add-exp-log
expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp unswap-sqr
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 81
Calls
4 calls:
9.0ms
(* (cbrt a) (cbrt a))
1.0ms
(cbrt a)
1.0ms
(cbrt a)
1.0ms
(cbrt a)

series1.1s

Counts
4 → 12
Calls
4 calls:
280.0ms
(* (cbrt a) (cbrt a))
278.0ms
(cbrt a)
264.0ms
(cbrt a)
261.0ms
(cbrt a)

simplify3.5s

Counts
93 → 93
Iterations
IterNodes
done5000
44108
31072
2382
1140
065

prune455.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 0.2b

regimes308.0ms

Accuracy

0% (3.5b remaining)

Error of 3.6b against oracle of 0.1b and baseline of 3.6b

bsearch0.0ms

simplify2.0ms

Iterations
IterNodes
done9
19
06

end0.0ms

sample13.9s

Algorithm
intervals
Results
5.4s2622×body2560valid
3.4s1934×body10240exit
3.0s3375×body1280valid
707.0ms1048×body640valid
701.0ms9935×pre80true
111.0ms356×body320valid
45.0ms479×body80valid
26.0ms121×body160valid