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c-bata/sample-c2goasm

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_lib

_lib

 
 

README.md

README.md

 
 

add_float32.go

add_float32.go

 
 

add_float32.s

add_float32.s

 
 

add_float32_test.go

add_float32_test.go

 
 

build.sh

build.sh

 
 

sum.go

sum.go

 
 

sum_float64_simd.go

sum_float64_simd.go

 
 

sum_float64_simd.s

sum_float64_simd.s

 
 

sum_test.go

sum_test.go

 
 

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sample-c2goasm

$ go test -bench .
goos: darwin
goarch: amd64
pkg: github.com/c-bata/sample-c2goasm
BenchmarkSumFloat64_256-4              5000000           282 ns/op
BenchmarkSumFloat64_1024-4             1000000          1234 ns/op
BenchmarkSumFloat64_8192-4              200000         10021 ns/op
BenchmarkSumFloat64_AVX2_256-4        50000000            23.5 ns/op
BenchmarkSumFloat64_AVX2_1024-4       20000000            95.9 ns/op
BenchmarkSumFloat64_AVX2_8192-4        2000000           904 ns/op
PASS
ok      github.com/c-bata/sample-c2goasm    10.911s

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Calling C functions optimized by LLVM Auto-Vectorization after converting to Go Plan9 Assembly using c2goasm.

medium.com/@c_bata_/optimizing-go-by-avx2-using-auto-vectorization-in-llvm-118f7b366969

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