Details

Time bar (total: 16.9s)

sample109.0ms

Algorithm
intervals
Results
60.0ms100×body10240exit
30.0ms256×body80valid

simplify3.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
068
178
done78

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.3b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ (exp a) (exp b))
0.3b
(/ (exp a) (+ (exp a) (exp b)))

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
22×*-un-lft-identity
12×add-sqr-sqrt add-cube-cbrt times-frac
distribute-lft-out
associate-/r* add-cbrt-cube add-log-exp
add-exp-log fma-def associate-/l*
pow1 expm1-log1p-u flip3-+ associate-/r/ flip-+ log1p-expm1-u
cbrt-undiv +-commutative frac-2neg div-exp clear-num sum-log div-inv
Counts
2 → 52
Calls
2 calls:
11.0ms
(+ (exp a) (exp b))
23.0ms
(/ (exp a) (+ (exp a) (exp b)))

series120.0ms

Counts
2 → 6
Calls
2 calls:
40.0ms
(+ (exp a) (exp b))
79.0ms
(/ (exp a) (+ (exp a) (exp b)))

simplify3.3s

Counts
58 → 58
Iterations

Useful iterations: 4 (842.0ms)

IterNodesCost
082646
1172616
2403576
3798575
42080574
done5000574

prune199.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.2b

localize23.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (exp a) (exp b))
0.0b
(exp (/ (exp a) (+ (exp a) (exp b))))
0.0b
(log (exp (/ (exp a) (+ (exp a) (exp b)))))
0.3b
(/ (exp a) (+ (exp a) (exp b)))

rewrite211.0ms

Algorithm
rewrite-expression-head
Rules
53×*-un-lft-identity
36×exp-prod times-frac
31×add-sqr-sqrt add-cube-cbrt
19×log-pow
11×distribute-lft-out
add-log-exp
associate-/r/ add-cbrt-cube
pow1 add-exp-log
expm1-log1p-u flip3-+ associate-/r* flip-+ log1p-expm1-u
log-prod fma-def div-inv associate-/l*
cbrt-undiv +-commutative frac-2neg div-exp rem-log-exp clear-num sum-log rem-exp-log
Counts
4 → 112
Calls
4 calls:
24.0ms
(+ (exp a) (exp b))
75.0ms
(exp (/ (exp a) (+ (exp a) (exp b))))
62.0ms
(log (exp (/ (exp a) (+ (exp a) (exp b)))))
41.0ms
(/ (exp a) (+ (exp a) (exp b)))

series211.0ms

Counts
4 → 12
Calls
4 calls:
24.0ms
(+ (exp a) (exp b))
98.0ms
(exp (/ (exp a) (+ (exp a) (exp b))))
49.0ms
(log (exp (/ (exp a) (+ (exp a) (exp b)))))
40.0ms
(/ (exp a) (+ (exp a) (exp b)))

simplify3.8s

Counts
124 → 124
Iterations

Useful iterations: done (3.8s)

IterNodesCost
01411440
12491310
25351224
310461219
425071217
done50001216

prune547.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.2b

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(log (* (fma 1/4 (- a b) 1) (exp 1/2)))
0.1b
(* (fma 1/4 (- a b) 1) (exp 1/2))

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
pow1
add-sqr-sqrt
add-exp-log
add-cube-cbrt *-un-lft-identity add-cbrt-cube
associate-*r* associate-*l*
expm1-log1p-u rem-log-exp pow-prod-down prod-exp log-pow log1p-expm1-u add-log-exp
log-prod *-commutative cbrt-unprod unswap-sqr
Counts
2 → 34
Calls
2 calls:
10.0ms
(log (* (fma 1/4 (- a b) 1) (exp 1/2)))
13.0ms
(* (fma 1/4 (- a b) 1) (exp 1/2))

series267.0ms

Counts
2 → 6
Calls
2 calls:
179.0ms
(log (* (fma 1/4 (- a b) 1) (exp 1/2)))
87.0ms
(* (fma 1/4 (- a b) 1) (exp 1/2))

simplify1.5s

Counts
40 → 40
Iterations

Useful iterations: done (1.5s)

IterNodesCost
081517
1179476
2493420
31547394
done5000393

prune152.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.2b

localize23.0ms

Local error

Found 3 expressions with local error:

0.0b
(log1p (* (- a b) 1/4))
0.0b
(log (+ (log1p (* (- a b) 1/4)) 1/2))
0.2b
(exp (log (+ (log1p (* (- a b) 1/4)) 1/2)))

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
10×*-un-lft-identity
log-prod
add-sqr-sqrt add-cube-cbrt
pow1
add-exp-log expm1-log1p-u log-div exp-prod exp-sum
add-cbrt-cube log1p-expm1-u add-log-exp
flip3-+ exp-diff log-pow flip-+ distribute-lft-out
log1p-udef log1p-expm1 rem-log-exp rem-exp-log
Counts
3 → 48
Calls
3 calls:
1.0ms
(log1p (* (- a b) 1/4))
9.0ms
(log (+ (log1p (* (- a b) 1/4)) 1/2))
14.0ms
(exp (log (+ (log1p (* (- a b) 1/4)) 1/2)))

series652.0ms

Counts
3 → 9
Calls
3 calls:
94.0ms
(log1p (* (- a b) 1/4))
474.0ms
(log (+ (log1p (* (- a b) 1/4)) 1/2))
84.0ms
(exp (log (+ (log1p (* (- a b) 1/4)) 1/2)))

simplify1.6s

Counts
57 → 57
Iterations

Useful iterations: done (1.6s)

IterNodesCost
0142927
1324806
2803744
32507730
done5000721

prune224.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.2b

regimes204.0ms

Accuracy

0% (0.1b remaining)

Error of 0.8b against oracle of 0.7b and baseline of 0.8b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0810
1910
done910

end0.0ms

sample3.7s

Algorithm
intervals
Results
2.8s3493×body10240exit
415.0ms8000×body80valid