Binary size report in HTML #4661
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Size difference with the dev branch: Binary size differenceflash ram before after diff before after diff 16720 16720 0 0.00% 4172 4172 0 0.00% tinygo build -size short -o ./build/test.hex -target=feather-rp2040 ./examples/adafruit4650 61472 61472 0 0.00% 6180 6180 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/adt7410/main.go 9568 9568 0 0.00% 4748 4748 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/adxl345/main.go 13568 13568 0 0.00% 6788 6788 0 0.00% tinygo build -size short -o ./build/test.hex -target=pybadge ./examples/amg88xx 8680 8680 0 0.00% 4740 4740 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/apa102/main.go 11884 11884 0 0.00% 6580 6580 0 0.00% tinygo build -size short -o ./build/test.hex -target=nano-33-ble ./examples/apds9960/proximity/main.go 9760 9760 0 0.00% 4752 4752 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/apa102/itsybitsy-m0/main.go 8368 8368 0 0.00% 2320 2320 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/at24cx/main.go 8124 8124 0 0.00% 4740 4740 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/bh1750/main.go 7432 7432 0 0.00% 4740 4740 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/blinkm/main.go 70632 70632 0 0.00% 3660 3660 0 0.00% tinygo build -size short -o ./build/test.hex -target=pinetime ./examples/bma42x/main.go 64012 64012 0 0.00% 6196 6196 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/bmi160/main.go 27412 27412 0 0.00% 4780 4780 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/bmp180/main.go 64072 64072 0 0.00% 6228 6228 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/bmp280/main.go 12200 12200 0 0.00% 4812 4812 0 0.00% tinygo build -size short -o ./build/test.hex -target=trinket-m0 ./examples/bmp388/main.go 8176 8176 0 0.00% 3344 3344 0 0.00% tinygo build -size short -o ./build/test.hex -target=bluepill ./examples/ds1307/sram/main.go 22216 22216 0 0.00% 3540 3540 0 0.00% tinygo build -size short -o ./build/test.hex -target=bluepill ./examples/ds1307/time/main.go 69768 69768 0 0.00% 6368 6368 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/ds3231/main.go 4620 4620 0 0.00% 2280 2280 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/easystepper/main.go 69304 69304 0 0.00% 6968 6968 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/flash/console/spi 65644 65644 0 0.00% 9004 9004 0 0.00% tinygo build -size short -o ./build/test.hex -target=pyportal ./examples/flash/console/qspi 7212 7212 0 0.00% 2280 2280 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/gc9a01/main.go 67628 67628 0 0.00% 6360 6360 0 0.00% tinygo build -size short -o ./build/test.hex -target=feather-m0 ./examples/gps/i2c/main.go 68164 68164 0 0.00% 6504 6504 0 0.00% tinygo build -size short -o ./build/test.hex -target=feather-m0 ./examples/gps/uart/main.go 7872 7872 0 0.00% 4740 4740 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/hcsr04/main.go 5832 5832 0 0.00% 2280 2280 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/hd44780/customchar/main.go 5784 5784 0 0.00% 2280 2280 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/hd44780/text/main.go 10528 10528 0 0.00% 4748 4748 0 0.00% tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/hd44780i2c/main.go 14808 14808 0 0.00% 6580 6580 0 0.00% tinygo build -size short -o ./build/test.hex -target=nano-33-ble ./examples/hts221/main.go 16148 16148 0 0.00% 2360 2360 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/hub75/main.go 10152 10152 0 0.00% 6916 6916 0 0.00% tinygo build -size short -o ./build/test.hex -target=pyportal ./examples/ili9341/basic 10644 10644 0 0.00% 4868 4868 0 0.00% tinygo build -size short -o ./build/test.hex -target=xiao ./examples/ili9341/basic 29508 29508 0 0.00% 38076 38076 0 0.00% tinygo build -size short -o ./build/test.hex -target=pyportal ./examples/ili9341/pyportal_boing 10172 10172 0 0.00% 6916 6916 0 0.00% tinygo build -size short -o ./build/test.hex -target=pyportal ./examples/ili9341/scroll 10732 10732 0 0.00% 4868 4868 0 0.00% tinygo build -size short -o ./build/test.hex -target=xiao ./examples/ili9341/scroll 263712 263712 0 0.00% 46748 46748 0 0.00% tinygo build -size short -o ./build/test.hex -target=pyportal ./examples/ili9341/slideshow 11732 11732 0 0.00% 4780 4780 0 0.00% tinygo build -size short -o ./build/test.hex -target=circuitplay-express ./examples/lis3dh/main.go 14152 14152 0 0.00% 6580 6580 0 0.00% tinygo build -size short -o ./build/test.hex -target=nano-33-ble ./examples/lps22hb/main.go 26132 26132 0 0.00% 2328 2328 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/lsm303agr/main.go 12448 12448 0 0.00% 4788 4788 0 0.00% tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/lsm6ds3/main.go 10744 10744 0 0.00% 4740 4740 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/mag3110/main.go 9920 9920 0 0.00% 4780 4780 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/mcp23017/main.go 10372 10372 0 0.00% 4788 4788 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/mcp23017-multiple/main.go 9780 9780 0 0.00% 4740 4740 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/mcp3008/main.go 68656 68656 0 0.00% 6188 6188 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/mcp2515/main.go 27224 27224 0 0.00% 3632 3632 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/microbitmatrix/main.go 26944 26944 0 0.00% 5680 5680 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit-v2 ./examples/microbitmatrix/main.go 8240 8240 0 0.00% 4748 4748 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/mma8653/main.go 8148 8148 0 0.00% 4740 4740 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/mpu6050/main.go 75640 75640 0 0.00% 7448 7448 0 0.00% tinygo build -size short -o ./build/test.hex -target=p1am-100 ./examples/p1am/main.go 12264 12264 0 0.00% 3352 3352 0 0.00% tinygo build -size short -o ./build/test.hex -target=pico ./examples/pca9685/main.go 6228 6228 0 0.00% 3288 3288 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/pcd8544/setbuffer/main.go 5260 5260 0 0.00% 2280 2280 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/pcd8544/setpixel/main.go 10552 10552 0 0.00% 3328 3328 0 0.00% tinygo build -size short -o ./build/test.hex -target=feather-rp2040 ./examples/seesaw 2825 2825 0 0.00% 558 558 0 0.00% tinygo build -size short -o ./build/test.hex -target=arduino ./examples/servo 13792 13792 0 0.00% 3400 3400 0 0.00% tinygo build -size short -o ./build/test.hex -target=pico ./examples/sgp30 8080 8080 0 0.00% 6788 6788 0 0.00% tinygo build -size short -o ./build/test.hex -target=pybadge ./examples/shifter/main.go 57476 57476 0 0.00% 3684 3684 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/sht3x/main.go 57532 57532 0 0.00% 3692 3692 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/sht4x/main.go 57448 57448 0 0.00% 3684 3684 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/shtc3/main.go 6688 6688 0 0.00% 2288 2288 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/ssd1306/i2c_128x32/main.go 6140 6140 0 0.00% 2280 2280 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/ssd1306/spi_128x64/main.go 5844 5844 0 0.00% 2280 2280 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/ssd1331/main.go 6788 6788 0 0.00% 2280 2280 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/st7735/main.go 6700 6700 0 0.00% 2280 2280 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/st7789/main.go 16964 16964 0 0.00% 4740 4740 0 0.00% tinygo build -size short -o ./build/test.hex -target=circuitplay-express ./examples/thermistor/main.go 10604 10604 0 0.00% 4540 4540 0 0.00% tinygo build -size short -o ./build/test.hex -target=circuitplay-bluefruit ./examples/tone 10064 10064 0 0.00% 4740 4740 0 0.00% tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/tm1637/main.go 10880 10880 0 0.00% 3340 3340 0 0.00% tinygo build -size short -o ./build/test.hex -target=pico ./examples/touch/capacitive 9524 9524 0 0.00% 6780 6780 0 0.00% tinygo build -size short -o ./build/test.hex -target=pyportal ./examples/touch/resistive/fourwire/main.go 12596 12596 0 0.00% 6976 6976 0 0.00% tinygo build -size short -o ./build/test.hex -target=pyportal ./examples/touch/resistive/pyportal_touchpaint/main.go 14980 14980 0 0.00% 4748 4748 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/vl53l1x/main.go 13460 13460 0 0.00% 4748 4748 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/vl6180x/main.go 24616 24616 0 0.00% 13720 13720 0 0.00% tinygo build -size short -o ./build/test.hex -target=feather-nrf52840-sense ./examples/waveshare-epd/epd1in54/main.go 6488 6488 0 0.00% 2320 2320 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/waveshare-epd/epd2in13/main.go 6176 6176 0 0.00% 2312 2312 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/waveshare-epd/epd2in13x/main.go 6400 6400 0 0.00% 2320 2320 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/waveshare-epd/epd4in2/main.go 26144 26144 0 0.00% 16412 16412 0 0.00% tinygo build -size short -o ./build/test.hex -target=pico ./examples/waveshare-epd/epd2in66b/main.go 6848 6848 0 0.00% 4780 4780 0 0.00% tinygo build -size short -o ./build/test.hex -target=circuitplay-express ./examples/ws2812 5764 5764 0 0.00% 9522 9522 0 0.00% tinygo build -size short -o ./build/test.bin -target=m5stamp-c3 ./examples/ws2812 62532 62532 0 0.00% 5952 5952 0 0.00% tinygo build -size short -o ./build/test.hex -target=feather-nrf52840 ./examples/is31fl3731/main.go 1581 1581 0 0.00% 598 598 0 0.00% tinygo build -size short -o ./build/test.hex -target=arduino ./examples/ws2812 1056 1056 0 0.00% 180 180 0 0.00% tinygo build -size short -o ./build/test.hex -target=digispark ./examples/ws2812 31856 31856 0 0.00% 4780 4780 0 0.00% tinygo build -size short -o ./build/test.hex -target=trinket-m0 ./examples/bme280/main.go 2034810 2034810 0 0.00% 472394 472394 0 0.00% |
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Any particular reason you did not just add another option to |
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What would you propose as a command line flag? |
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I misunderstood that the usage was |
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How about adding a new flag In addition, add the That way people can use |
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Just to bikeshed a bit here, I think most Go tooling would use |
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I like @dgryski suggestion. |
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Updated the PR with |
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@aykevl please note CI failure. |
This is not a big change over the existing size report with -size=full, but it is a bit more readable. More information will be added in subsequent commits.
Show which files cause a binary size increase. This makes it easier to see where the size is going: for example, this makes it easy to see how much the GC contributes to code size compared to other runtime parts.
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Oops, yes, fixed. |
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Thanks for the changes to this feature @aykevl it works really well! Now merging. |
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This adds a
-size-reportflag that writes a HTML file with more detailed information on the binary size. This is similar to-size=fullbut also adds file level size usage.Here is an example, with "C compiler-rt" expanded:
Here you can see that 28 bytes go to
memset, 92 bytes go to the count-leading-zeroes builtin (clzsi3), and the remaining bytes (92+14 = 106) go to an unsigned 32-bit divide builtin. This makes sense: the chip I used for testing is the nrf51 (in the microbit) which doesn't support clz or division so these need to be done in software.If you expand the runtime package, you can also see that around 1kB of binary size is taken up by the GC, the rest is for various other runtime features like initialization and the scheduler.
I intend to add more to this size report in the future. Most importantly, a way to answer the question "why does my binary take up so much space, I didn't import that many packages!". Basically, a way to trace from the main package where all the binary size goes and how much a given package is responsible for the binary size of the program. While this could in theory all be done on the command line, doing this in HTML/CSS/JS makes the UX a whole lot better and more intuitive.