Implicit time advance disagrees with explicit time advance
On master, running with
Explicit
#define USE_GPU
#define USE_MAGMA
./fk6d -p 0 -l 5 -d 4 -n 100 -w 10
Implicit
#define USE_GPU
#define USE_MAGMA
./fk6d -p 0 -l 5 -d 4 -n 100 -w 10 -i
Implicit
//#define USE_GPU
//#define USE_MAGMA
./fk6d -p 0 -l 5 -d 4 -n 100 -w 10 -i
Implicit
#define USE_GPU
//#define USE_MAGMA
./fk6d -p 0 -l 5 -d 4 -n 100 -w 10 -i