Error in 25.5s

Runtime

Time bar (total: 25.5s)Debug log

start824.0ms

Algorithm
intervals

setup209.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.4b

localize63.0ms

Local error

Found 4 expressions with local error:

0.4b
(* (pow (* -2 (log u1)) 0.5) 1/6)
0.2b
(* PI (* 2 u2))
0.1b
(pow (* -2 (log u1)) 0.5)
0.1b
(fma (cos (* PI (* 2 u2))) (* (pow (* -2 (log u1)) 0.5) 1/6) 0.5)

rewrite18.0ms

Algorithm
rewrite-expression-head
Counts
4 → 48
Calls

4 calls. Slowest were:

9.0ms
(* (pow (* -2 (log u1)) 0.5) 1/6)
3.0ms
(pow (* -2 (log u1)) 0.5)
2.0ms
(* PI (* 2 u2))

series1.7s

Counts
4 → 12
Calls

4 calls. Slowest were:

866.0ms
(* (pow (* -2 (log u1)) 0.5) 1/6)
419.0ms
(fma (cos (* PI (* 2 u2))) (* (pow (* -2 (log u1)) 0.5) 1/6) 0.5)
347.0ms
(pow (* -2 (log u1)) 0.5)

simplify608.0ms

Counts
18 → 60
Calls

18 calls. Slowest were:

180.0ms
(- (+ 0.5 (* 1/6 (pow (* (pow -2 1.0) (pow (log u1) 1.0)) 0.5))) (* 1/3 (* (* (pow u2 2) (pow PI 2)) (pow (* (pow -2 1.0) (pow (log u1) 1.0)) 0.5))))
82.0ms
(pow (* -2 (- (log -1) (log (/ -1 u1)))) 0.5)
70.0ms
(+ (* 1/6 (* (pow (* (pow (- (log -1) (log (/ -1 u1))) 1.0) (pow -2 1.0)) 0.5) (cos (* 2 (* u2 PI))))) 0.5)

prune1.3s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.0b

localize22.0ms

Local error

Found 4 expressions with local error:

0.4b
(* (pow (* -2 (log u1)) 0.5) 1/6)
0.3b
(exp (log (* (pow (* -2 (log u1)) 0.5) 1/6)))
0.3b
(log (* (pow (* -2 (log u1)) 0.5) 1/6))
0.2b
(* PI (* 2 u2))

rewrite29.0ms

Algorithm
rewrite-expression-head
Counts
4 → 52
Calls

4 calls. Slowest were:

10.0ms
(exp (log (* (pow (* -2 (log u1)) 0.5) 1/6)))
8.0ms
(log (* (pow (* -2 (log u1)) 0.5) 1/6))
8.0ms
(* (pow (* -2 (log u1)) 0.5) 1/6)

series2.9s

Counts
4 → 12
Calls

4 calls. Slowest were:

1.0s
(* (pow (* -2 (log u1)) 0.5) 1/6)
941.0ms
(log (* (pow (* -2 (log u1)) 0.5) 1/6))
850.0ms
(exp (log (* (pow (* -2 (log u1)) 0.5) 1/6)))

simplify676.0ms

Counts
23 → 64
Calls

23 calls. Slowest were:

166.0ms
(log (* 1/6 (pow (* (pow -1 1.0) (* (pow -2 1.0) (pow (log (/ 1 u1)) 1.0))) 0.5)))
91.0ms
(log (* 1/6 (pow (* (pow (- (log -1) (log (/ -1 u1))) 1.0) (pow -2 1.0)) 0.5)))
66.0ms
(* 1/6 (pow (* (pow (- (log -1) (log (/ -1 u1))) 1.0) (pow -2 1.0)) 0.5))

prune1.5s

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0b

localize26.0ms

Local error

Found 4 expressions with local error:

1.0b
(exp (log 1/6))
0.4b
(* (pow (* -2 (log u1)) 0.5) (exp (log 1/6)))
0.2b
(* PI (* 2 u2))
0.1b
(pow (* -2 (log u1)) 0.5)

rewrite12.0ms

Algorithm
rewrite-expression-head
Counts
4 → 58
Calls

4 calls. Slowest were:

7.0ms
(* (pow (* -2 (log u1)) 0.5) (exp (log 1/6)))
2.0ms
(exp (log 1/6))
1.0ms
(pow (* -2 (log u1)) 0.5)

series1.3s

Counts
4 → 10
Calls

4 calls. Slowest were:

909.0ms
(* (pow (* -2 (log u1)) 0.5) (exp (log 1/6)))
354.0ms
(pow (* -2 (log u1)) 0.5)
72.0ms
(* PI (* 2 u2))

simplify536.0ms

Counts
26 → 68
Calls

26 calls. Slowest were:

77.0ms
(* (* (* (pow (* -2 (log u1)) 0.5) (pow (* -2 (log u1)) 0.5)) (pow (* -2 (log u1)) 0.5)) (* (* (exp (log 1/6)) (exp (log 1/6))) (exp (log 1/6))))
76.0ms
(pow (* -2 (- (log -1) (log (/ -1 u1)))) 0.5)
55.0ms
(+ (* (log (* -2 (log u1))) 0.5) (log 1/6))

prune1.4s

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0b

localize23.0ms

Local error

Found 4 expressions with local error:

0.5b
(expm1 (log1p (* (pow (* -2 (log u1)) 0.5) 1/6)))
0.4b
(* (pow (* -2 (log u1)) 0.5) 1/6)
0.2b
(* PI (* 2 u2))
0.2b
(log1p (* (pow (* -2 (log u1)) 0.5) 1/6))

rewrite11.0ms

Algorithm
rewrite-expression-head
Counts
4 → 47
Calls

4 calls. Slowest were:

7.0ms
(* (pow (* -2 (log u1)) 0.5) 1/6)
2.0ms
(* PI (* 2 u2))
1.0ms
(log1p (* (pow (* -2 (log u1)) 0.5) 1/6))

series3.2s

Counts
4 → 12
Calls

4 calls. Slowest were:

1.2s
(expm1 (log1p (* (pow (* -2 (log u1)) 0.5) 1/6)))
1.0s
(log1p (* (pow (* -2 (log u1)) 0.5) 1/6))
912.0ms
(* (pow (* -2 (log u1)) 0.5) 1/6)

simplify404.0ms

Counts
17 → 59
Calls

17 calls. Slowest were:

77.0ms
(log (+ (* 1/6 (pow (* (pow (- (log -1) (log (/ -1 u1))) 1.0) (pow -2 1.0)) 0.5)) 1))
69.0ms
(* 1/6 (pow (* (pow (- (log -1) (log (/ -1 u1))) 1.0) (pow -2 1.0)) 0.5))
43.0ms
(log (+ (* 1/6 (pow (* (pow -1 1.0) (* (pow -2 1.0) (pow (log (/ 1 u1)) 1.0))) 0.5)) 1))

prune1.4s

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0b

regimes381.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018359 +o rules:numerics
(FPCore (u1 u2)
  :name "normal distribution"
  :pre (and (<= 0 u1 1) (<= 0 u2 1))
  (+ (* (* (/ 1 6) (pow (* -2 (log u1)) 0.5)) (cos (* (* 2 PI) u2))) 0.5))

Backtrace

partition: contract violation expected: list? given: 0.47367689885257835 argument position: 2nd other arguments...: #<procedure:ordinary-value?>LC
partition/home/p92/racket/collects/racket/list.rkt5550
errors-score/data/pavpan/nightlies/herbie/develop/src/points.rkt3220
for-loop/data/pavpan/nightlies/herbie/develop/src/sandbox.rkt7512
(unnamed)/home/p92/racket/collects/racket/private/more-scheme.rkt26128
run/home/p92/racket/share/pkgs/profile-lib/main.rkt392
profile-thunk16/home/p92/racket/share/pkgs/profile-lib/main.rkt90
(unnamed)/home/p92/racket/collects/racket/private/more-scheme.rkt26128