upload hello

Sketch uses 353132 bytes (33%) of program storage space. Maximum is 1044464 bytes.Executable segment sizes:

IROM   : 316684          - code in flash         (default or ICACHE_FLASH_ATTR) Global variables use 43488 bytes (53%) of dynamic memory, leaving 38432 bytes for local variables. Maximum is 81920 bytes.

IRAM   : 27456   / 32768 - code in IRAM          (ICACHE_RAM_ATTR, ISRs...) 
DATA   : 1280  )         - initialized variables (global, static) in RAM/HEAP 
RODATA : 7712  ) / 81920 - constants             (global, static) in RAM/HEAP 
BSS    : 34496 )         - zeroed variables      (global, static) in RAM/HEAP 
esptool.py v2.8
Serial port /dev/cu.SLAB_USBtoUART
Connecting........_
Chip is ESP8266EX
Features: WiFi
Crystal is 26MHz
MAC: bc:dd:c2:ac:b4:53
Uploading stub...
Running stub...
Stub running...
Configuring flash size...
Auto-detected Flash size: 4MB
Compressed 357280 bytes to 250145...

Writing at 0x00000000... (6 %)
Writing at 0x00004000... (12 %)
Writing at 0x00008000... (18 %)
Writing at 0x0000c000... (25 %)
Writing at 0x00010000... (31 %)
Writing at 0x00014000... (37 %)
Writing at 0x00018000... (43 %)
Writing at 0x0001c000... (50 %)
Writing at 0x00020000... (56 %)
Writing at 0x00024000... (62 %)
Writing at 0x00028000... (68 %)
Writing at 0x0002c000... (75 %)
Writing at 0x00030000... (81 %)
Writing at 0x00034000... (87 %)
Writing at 0x00038000... (93 %)
Writing at 0x0003c000... (100 %)
Wrote 357280 bytes (250145 compressed) at 0x00000000 in 22.0 seconds (effective 129.8 kbit/s)...
Hash of data verified.

Leaving...
Hard resetting via RTS pin...