/
run.go
146 lines (121 loc) · 3.31 KB
/
run.go
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package cmd
/*
#cgo LDFLAGS: -ltfhe-spqlios-fma
#cgo CFLAGS: -I/usr/local/include
#include <tfhe/tfhe.h>
#include <tfhe/tfhe_io.h>
#include <stdlib.h>
#include <stdio.h>
*/
import "C"
import (
"fmt"
"io/ioutil"
"os"
"os/signal"
"path/filepath"
"runtime/pprof"
"strconv"
"strings"
"syscall"
"github.com/aaronduino/fhe-cpu/cpu"
logging "github.com/op/go-logging"
"github.com/spf13/cobra"
)
var log = logging.MustGetLogger("")
// runCmd represents the run command
var runCmd = &cobra.Command{
Use: "run",
Short: "Run the cpu",
Long: `The instructions should be encrypted via the sibling 'encrypt' command`,
Run: func(cmd *cobra.Command, args []string) {
profile := "profile_results.txt"
if profile != "" {
f, err := os.Create(profile)
if err != nil {
log.Fatal(err)
}
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
}
cloudKeyPath, _ = filepath.Abs(cloudKeyPath)
cloudDataPath, _ = filepath.Abs(cloudDataPath)
// load cloud key and params
cpu.LoadCloudKeyFromFile(cloudKeyPath)
instructionCount, _ := strconv.Atoi(readLastLine(cloudDataPath))
instructions := cpu.LoadInstructionsFromFile(instructionCount, cloudDataPath)
cpu.InitTapes(instructions)
b, err := ioutil.ReadFile("hdl/computer.hdl")
if err != nil {
fmt.Print(err)
}
computerHdl := string(b)
computer, e := cpu.ParseHdl(computerHdl)
if e != nil {
fmt.Println(e)
}
os.Remove(outputCiphertextPath)
log.Debug("Running program...")
runtimeInputs := map[string]cpu.FheType{"input_bit": cpu.NewConstant(0)}
for {
outputsCiphertext := computer.Evaluate(runtimeInputs, "#")
cpu.SaveCiphertext(outputCiphertextPath, outputsCiphertext["code0"])
cpu.SaveCiphertext(outputCiphertextPath, outputsCiphertext["code1"])
log.Info(outputsCiphertext)
outputCount++
if maxOutputCount != -1 && outputCount >= maxOutputCount {
saveOutputCount()
os.Exit(0)
}
}
},
}
var verbose bool
var outputCiphertextPath string
var outputCount int
var maxOutputCount int
func init() {
rootCmd.AddCommand(runCmd)
runCmd.Flags().StringVarP(&cloudKeyPath, "cloud", "k", "./cloud.key", "path to cloud key")
runCmd.Flags().StringVarP(&cloudDataPath, "instructions", "i", "./cloud.data", "path to instruction data")
runCmd.Flags().StringVarP(&outputCiphertextPath, "output", "o", "./cloud.out", "path to output data")
runCmd.Flags().IntVarP(&maxOutputCount, "cycles", "c", -1, "Max number of cycles to run CPU")
runCmd.Flags().BoolVarP(&verbose, "verbose", "v", false, "Be verbose")
sigChan := make(chan os.Signal)
signal.Notify(sigChan, syscall.SIGINT)
go func() {
<-sigChan
saveOutputCount()
os.Exit(0)
}()
}
func saveOutputCount() {
// append the output count to the file
f, err := os.OpenFile(outputCiphertextPath, os.O_APPEND|os.O_WRONLY, 0644)
if err != nil {
log.Fatal(err)
}
if _, err := f.Write([]byte("\n" + strconv.Itoa(outputCount) + "\n")); err != nil {
log.Fatal(err)
}
if err := f.Close(); err != nil {
log.Fatal(err)
}
}
func readLastLine(fname string) string {
file, err := os.Open(fname)
if err != nil {
panic(err)
}
defer file.Close()
fi, err := file.Stat()
if err != nil {
fmt.Println(err)
}
buf := make([]byte, 32)
n, err := file.ReadAt(buf, fi.Size()-int64(len(buf)))
if err != nil {
fmt.Println(err)
}
return strings.Split(string(buf[:n]), "\n")[1]
}