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ge.sh 1.7 kB

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  1. #!/bin/bash
  2. # Copyright 2021 Huawei Technologies Co., Ltd
  3. #
  4. # Licensed under the Apache License, Version 2.0 (the "License");
  5. # you may not use this file except in compliance with the License.
  6. # You may obtain a copy of the License at
  7. #
  8. # http://www.apache.org/licenses/LICENSE-2.0
  9. #
  10. # Unless required by applicable law or agreed to in writing, software
  11. # distributed under the License is distributed on an "AS IS" BASIS,
  12. # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13. # See the License for the specific language governing permissions and
  14. # limitations under the License.
  15. # ============================================================================
  16. GE_BASH_HOME=$(dirname "$0")
  17. export PROJECT_HOME=${PROJECT_HOME:-${GE_BASH_HOME}/../}
  18. PROJECT_HOME=$(cd $PROJECT_HOME || return; pwd)
  19. function help(){
  20. cat <<-EOF
  21. Usage: ge COMMANDS
  22. Run ge commands
  23. Commands:
  24. env Prepare docker env
  25. config Config dependencies server
  26. update Update dependencies
  27. format Format code
  28. build Build code
  29. test Run test of UT/ST
  30. cov Run Coverage
  31. docs Generate documents
  32. clean Clean
  33. EOF
  34. }
  35. function ge_error() {
  36. echo "Error: $*" >&2
  37. help
  38. exit 1
  39. }
  40. function main(){
  41. if [ $# -eq 0 ]; then
  42. help; exit 0
  43. fi
  44. local cmd=$1
  45. local shell_cmd=
  46. shift
  47. case "$cmd" in
  48. -h|--help)
  49. help; exit 0
  50. ;;
  51. build)
  52. shell_cmd=${PROJECT_HOME}/build.sh
  53. ;;
  54. *)
  55. shell_cmd=$GE_BASH_HOME/$cmd/ge_$cmd.sh
  56. ;;
  57. esac
  58. [ -e $shell_cmd ] || {
  59. ge_error "ge $shell_cmd is not found"
  60. }
  61. $shell_cmd "$@"
  62. }
  63. main "$@"

图引擎模块(GE)是MindSpore的一个子模块,其代码由C++实现,位于前端模块ME和底层硬件之间,起到承接作用。图引擎模块以ME下发的图作为输入,然后进行一系列的深度图优化操作,最后输出一张可以在底层硬件上高效运行的图。GE针对昇腾AI处理器的硬件结构特点,做了特定的优化工作,以此来充分发挥出昇腾AI处理器的强大算力。在进行模型训练/推理时,GE会被自动调用而用户并不感知。GE主要由GE API和GE Core两部分组成,详细的架构图如下所示