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gofiles.go
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gofiles.go
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package engine
// support for running Go files as if they were mx3 files.
import (
"flag"
"github.com/kuchkin/mumax3-gneb/cuda"
"github.com/kuchkin/mumax3-gneb/util"
"os"
"path"
)
var (
// These flags are shared between cmd/mumax3 and Go input files.
Flag_cachedir = flag.String("cache", os.TempDir(), "Kernel cache directory (empty disables caching)")
Flag_gpu = flag.Int("gpu", 0, "Specify GPU")
Flag_interactive = flag.Bool("i", false, "Open interactive browser session")
Flag_od = flag.String("o", "", "Override output directory")
Flag_port = flag.String("http", ":35367", "Port to serve web gui")
Flag_selftest = flag.Bool("paranoid", false, "Enable convolution self-test for cuFFT sanity.")
Flag_silent = flag.Bool("s", false, "Silent") // provided for backwards compatibility
Flag_sync = flag.Bool("sync", false, "Synchronize all CUDA calls (debug)")
Flag_forceclean = flag.Bool("f", false, "Force start, clean existing output directory")
)
// Usage: in every Go input file, write:
//
// func main(){
// defer InitAndClose()()
// // ...
// }
//
// This initialises the GPU, output directory, etc,
// and makes sure pending output will get flushed.
func InitAndClose() func() {
flag.Parse()
cuda.Init(*Flag_gpu)
cuda.Synchronous = *Flag_sync
od := *Flag_od
if od == "" {
od = path.Base(os.Args[0]) + ".out"
}
inFile := util.NoExt(od)
InitIO(inFile, od, *Flag_forceclean)
GoServe(*Flag_port)
return func() {
Close()
}
}