package cpu

import _ "unsafe" // for linkname

func osInit() {
	ARM64.HasATOMICS = sysctlEnabled([]byte("hw.optional.armv8_1_atomics\x00"))
	ARM64.HasCRC32 = sysctlEnabled([]byte("hw.optional.armv8_crc32\x00"))
	ARM64.HasSHA512 = sysctlEnabled([]byte("hw.optional.armv8_2_sha512\x00"))

	// There are no hw.optional sysctl values for the below features on Mac OS 11.0

func internal_cpu_sysctlUint64(mib []uint32) (uint64, bool) {
	return sysctlUint64(mib)
}

func getncpu() int32 {
	// Try hw.ncpuonline first because hw.ncpu would report a number twice as
	// high as the actual CPUs running on OpenBSD 6.4 with hyperthreading
	// disabled (hw.smt=0). See https://golang.org/issue/30127
	if n, ok := sysctlInt([]uint32{_CTL_HW, _HW_NCPUONLINE}); ok {
		return int32(n)
	}

# Kıyaslamalar

Bağımsız TechEmpower kıyaslamaları gösteriyor ki <a href="https://www.techempower.com/benchmarks/#section=test&runid=7464e520-0dc2-473d-bd34-dbdfd7e85911&hw=ph&test=query&l=zijzen-7" class="external-link" target="_blank">en hızlı Python frameworklerinden birisi</a> olan Uvicorn ile çalıştırılan **FastAPI** uygulamaları, sadece Starlette ve Uvicorn'dan daha düşük sıralamada (FastAPI bu frameworklerin üzerine kurulu) yer alıyor. (*)

# Benchmarks

Los benchmarks independientes de TechEmpower muestran aplicaciones de **FastAPI** que se ejecutan en Uvicorn como <a href="https://www.techempower.com/benchmarks/#section=test&runid=7464e520-0dc2-473d-bd34-dbdfd7e85911&hw=ph&test=query&l= zijzen-7" class="external-link" target="_blank">uno de los frameworks de Python más rápidos disponibles</a>, solo por debajo de Starlette y Uvicorn (utilizados internamente por FastAPI). (*)

# Benchmarks

Unabhängige TechEmpower-Benchmarks zeigen, **FastAPI**-Anwendungen, die unter Uvicorn ausgeführt werden, gehören zu <a href="https://www.techempower.com/benchmarks/#section=test&runid=7464e520-0dc2-473d-bd34-dbdfd7e85911&hw=ph&test=query&l=zijzen-7" class="external-link" target="_blank">den schnellsten existierenden Python-Frameworks</a>, nur Starlette und Uvicorn selbst (intern von FastAPI verwendet) sind schneller.

# Benchmarks

Independent TechEmpower benchmarks show **FastAPI** applications running under Uvicorn as <a href="https://www.techempower.com/benchmarks/#section=test&runid=7464e520-0dc2-473d-bd34-dbdfd7e85911&hw=ph&test=query&l=zijzen-7" class="external-link" target="_blank">one of the fastest Python frameworks available</a>, only below Starlette and Uvicorn themselves (used internally by FastAPI).

# Benchmarks

Benchmarks independentes da TechEmpower mostram que aplicações **FastAPI** rodando com o Uvicorn como <a href="https://www.techempower.com/benchmarks/#section=test&runid=7464e520-0dc2-473d-bd34-dbdfd7e85911&hw=ph&test=query&l=zijzen-7" class="external-link" target="_blank">um dos frameworks Python mais rápidos disponíveis</a>, ficando atrás apenas do Starlette e Uvicorn (utilizado internamente pelo FastAPI).

	"os"
	"runtime"
	"runtime/pprof"
	"strings"
)

var verbflag = flag.Int("v", 0, "Verbose trace output level")
var hflag = flag.Bool("h", false, "Panic on fatal errors (for stack trace)")
var hwflag = flag.Bool("hw", false, "Panic on warnings (for stack trace)")
var indirsflag = flag.String("i", "", "Input dirs to examine (comma separated)")
var pkgpatflag = flag.String("pkg", "", "Restrict output to package(s) matching specified package pattern.")

該工具解決的問題越簡單，其效...

			if !hh.original {
				return
			}
			hw := m.header(language.Language(want))
			for _, ht := range hh.haveTags {
				v := *ht
				if conf < v.conf {
					v.conf = conf
				}
				v.nextMax = 0 // this value needs to be recomputed
				if v.altScript != 0 {
					v.altScript = altScript(language.Language(want), v.maxScript)
				}
				hw.addIfNew(v, conf == Exact && hh.original)
			}
		}
	}