BMLib Technical Reference Manual

Content

• 1. Disclaimer
• 2. Release note
• 3. Quick Start
  • 3.1. Term Interpretation
• 4. Basic Concepts and Functions of Bmlib
  • 4.1. Concept of Handle
  • 4.2. Memory Type
  • 4.3. Concept and Synchronization of Api
  • 4.4. Interface of Profile
  • 4.5. Enable of A53
  • 4.6. Power Control
  • 4.7. Interface of Miscellaneous Information
• 5. Detailed Interface Introductions to bmlib
  • 5.1. Creation and Destruction of Device Handle
    • 5.1.1. bm_dev_getcount
    • 5.1.2. bm_dev_query
    • 5.1.3. bm_dev_request
    • 5.1.4. bm_get_devid
    • 5.1.5. bm_dev_free
  • 5.2. Interfaces of memory help functions
    • 5.2.1. bm_mem_get_type
    • 5.2.2. bm_mem_get_device_addr
    • 5.2.3. bm_mem_set_device_addr
    • 5.2.4. bm_mem_get_device_size
    • 5.2.5. bm_mem_set_device_size
    • 5.2.6. bm_set_device_mem
    • 5.2.7. bm_mem_from_device
    • 5.2.8. bm_mem_get_system_addr
    • 5.2.9. bm_mem_set_system_addr
    • 5.2.10. bm_mem_from_system
  • 5.3. Application and Release of Global Memory
    • 5.3.1. bm_mem_null
    • 5.3.2. bm_malloc_neuron_device
    • 5.3.3. bm_malloc_device_dword
    • 5.3.4. bm_malloc_device_byte
    • 5.3.5. bm_malloc_device_byte_heap
    • 5.3.6. bm_malloc_device_byte_heap_mask
    • 5.3.7. bm_free_device
    • 5.3.8. bm_gmem_arm_reserved_request
    • 5.3.9. bm_gmem_arm_reserved_release
  • 5.4. Data Transportation between Host and Global Memory
    • 5.4.1. bm_memcpy_s2d
    • 5.4.2. bm_memcpy_s2d_partial_offset
    • 5.4.3. bm_memcpy_s2d_partial
    • 5.4.4. bm_memcpy_d2s
    • 5.4.5. bm_memcpy_d2s_partial_offset
    • 5.4.6. bm_memcpy_d2s_partial
    • 5.4.7. bm_mem_convert_system_to_device_neuron
    • 5.4.8. bm_mem_convert_system_to_device_neuron_byte
    • 5.4.9. bm_mem_convert_system_to_device_coeff
    • 5.4.10. bm_mem_convert_system_to_device_coeff_byte
  • 5.5. Data Transportation in Global Memory
    • 5.5.1. bm_memcpy_d2d
    • 5.5.2. bm_memcpy_d2d_byte
    • 5.5.3. bm_memcpy_d2d_stride
    • 5.5.4. bm_memset_device
    • 5.5.5. bm_memset_device_ext
  • 5.6. Global memory transportation between different devices
    • 5.6.1. bm_memcpy_c2c
  • 5.7. Mapping and Consistency Management of Global Memory on the Host Side
    • 5.7.1. bm_mem_mmap_device_mem
    • 5.7.2. bm_mem_mmap_device_mem_no_cache
    • 5.7.3. bm_mem_invalidate_device_mem
    • 5.7.4. bm_mem_invalidate_partial_device_mem
    • 5.7.5. bm_mem_flush_device_mem
    • 5.7.6. bm_mem_flush_partial_device_mem
    • 5.7.7. bm_mem_unmap_device_mem
    • 5.7.8. bm_mem_vir_to_phy
  • 5.8. Synchronization of API
    • 5.8.1. bm_flush
    • 5.8.2. bm_device_sync
    • 5.8.3. bm_thread_sync
    • 5.8.4. bm_handle_sync
  • 5.9. Profile Interface
    • 5.9.1. bm_get_profile
    • 5.9.2. bm_get_last_api_process_time_us
  • 5.10. Power Management Interface
    • 5.10.1. bm_set_clk_tpu_freq
    • 5.10.2. bm_get_clk_tpu_freq
  • 5.11. Device Management Interface
    • 5.11.1. bm_get_misc_info
    • 5.11.2. bm_get_chipid
    • 5.11.3. bm_get_stat
    • 5.11.4. bm_get_gmem_heap_id
    • 5.11.5. bmlib_log_get_level
    • 5.11.6. bmlib_log_set_level
    • 5.11.7. bmlib_log_set_callback
    • 5.11.8. bm_set_debug_mode
    • 5.11.9. bmlib_set_api_dbg_callback
    • 5.11.10. bm_get_tpu_current
    • 5.11.11. bm_get_board_max_power
    • 5.11.12. bm_get_board_power
    • 5.11.13. bm_get_fan_speed
    • 5.11.14. bm_get_ecc_correct_num
    • 5.11.15. bm_get_12v_atx
    • 5.11.16. bm_get_sn
    • 5.11.17. bm_get_status
    • 5.11.18. bm_get_tpu_minclk
    • 5.11.19. bm_get_tpu_maxclk
    • 5.11.20. bm_get_driver_version
    • 5.11.21. bm_get_board_name
    • 5.11.22. bm_get_board_temp
    • 5.11.23. bm_get_chip_temp
    • 5.11.24. bm_get_tpu_power
    • 5.11.25. bm_get_tpu_volt
  • 5.12. Enable of A53
    • 5.12.1. bmcpu_start_cpu
    • 5.12.2. bmcpu_open_process
    • 5.12.3. bmcpu_load_library
    • 5.12.4. bmcpu_exec_function
    • 5.12.5. bmcpu_exec_function_ext
    • 5.12.6. bmcpu_map_phys_addr
    • 5.12.7. bmcpu_unmap_phys_addr
    • 5.12.8. bmcpu_close_process
    • 5.12.9. bmcpu_reset_cpu
• 6. Definition of Relevant Data Structure
  • 6.1. bm_status_t
  • 6.2. bm_mem_type_t
  • 6.3. bm_mem_flags_t
  • 6.4. bm_mem_desc_t
  • 6.5. bm_misc_info
  • 6.6. bm_profile_t
  • 6.7. bm_heap_stat
  • 6.8. bm_dev_stat_t
  • 6.9. bm_log_level