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Victor Zverovich 2023-12-08 14:24:11 -08:00 committed by GitHub
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@ -177,11 +177,11 @@ Output on a modern terminal with Unicode support:
| Library | Method | Run Time, s |
|-------------------|---------------|-------------|
| libc | printf | > 0.91 |
| libc++ | std::ostream | > 2.49 |
| {fmt} 9.1 | fmt::print | > 0.74 |
| Boost Format 1.80 | boost::format | > 6.26 |
| Folly Format | folly::format | > 1.87 |
| libc | printf | 0.91 |
| libc++ | std::ostream | 2.49 |
| {fmt} 9.1 | fmt::print | 0.74 |
| Boost Format 1.80 | boost::format | 6.26 |
| Folly Format | folly::format | 1.87 |
{fmt} is the fastest of the benchmarked methods, \~20% faster than
`printf`.
@ -216,12 +216,12 @@ Sierra, best of three) is shown in the following tables.
| Method | Compile Time, s | Executable size, KiB | Stripped size, KiB |
|---------------|-----------------|----------------------|--------------------|
| printf | > 2.6 | > 29 | > 26 |
| printf+string | > 16.4 | > 29 | > 26 |
| iostreams | > 31.1 | > 59 | > 55 |
| {fmt} | > 19.0 | > 37 | > 34 |
| Boost Format | > 91.9 | > 226 | > 203 |
| Folly Format | > 115.7 | > 101 | > 88 |
| printf | 2.6 | 29 | 26 |
| printf+string | 16.4 | 29 | 26 |
| iostreams | 31.1 | 59 | 55 |
| {fmt} | 19.0 | 37 | 34 |
| Boost Format | 91.9 | 226 | 203 |
| Folly Format | 115.7 | 101 | 88 |
As you can see, {fmt} has 60% less overhead in terms of resulting binary
code size compared to iostreams and comes pretty close to `printf`.
@ -234,12 +234,12 @@ include to measure the overhead of the latter.
| Method | Compile Time, s | Executable size, KiB | Stripped size, KiB |
|---------------|-----------------|----------------------|--------------------|
| printf | > 2.2 | > 33 | > 30 |
| printf+string | > 16.0 | > 33 | > 30 |
| iostreams | > 28.3 | > 56 | > 52 |
| {fmt} | > 18.2 | > 59 | > 50 |
| Boost Format | > 54.1 | > 365 | > 303 |
| Folly Format | > 79.9 | > 445 | > 430 |
| printf | 2.2 | 33 | 30 |
| printf+string | 16.0 | 33 | 30 |
| iostreams | 28.3 | 56 | 52 |
| {fmt} | 18.2 | 59 | 50 |
| Boost Format | 54.1 | 365 | 303 |
| Folly Format | 79.9 | 445 | 430 |
`libc`, `lib(std)c++`, and `libfmt` are all linked as shared libraries
to compare formatting function overhead only. Boost Format is a