Harshavardhana
10 years ago
parent
137584d658
commit
3a3c8645fc
@ -1,65 +0,0 @@ |
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// +build ignore
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//
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// Mini Object Storage, (C) 2015 Minio, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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package main |
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import ( |
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"crypto/sha1" |
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"encoding/hex" |
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"fmt" |
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"io" |
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"os" |
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"time" |
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sha1intel "github.com/minio-io/minio/pkg/utils/crypto/sha1" |
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) |
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func Sum(reader io.Reader) ([]byte, error) { |
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k := sha1.New() |
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var err error |
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for err == nil { |
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length := 0 |
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byteBuffer := make([]byte, 1024*1024) |
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length, err = reader.Read(byteBuffer) |
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byteBuffer = byteBuffer[0:length] |
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k.Write(byteBuffer) |
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} |
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if err != io.EOF { |
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return nil, err |
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} |
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return k.Sum(nil), nil |
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} |
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func main() { |
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fmt.Println("-- start") |
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file1, _ := os.Open("filename1") |
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defer file1.Close() |
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stark := time.Now() |
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sum, _ := Sum(file1) |
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endk := time.Since(stark) |
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file2, _ := os.Open("filename2") |
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defer file2.Close() |
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starth := time.Now() |
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sumAVX2, _ := sha1intel.Sum(file2) |
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endh := time.Since(starth) |
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fmt.Println("std(", endk, ")", "avx2(", endh, ")") |
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fmt.Println(hex.EncodeToString(sum), hex.EncodeToString(sumAVX2)) |
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} |
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@ -1,81 +0,0 @@ |
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// +build ignore
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//
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// Mini Object Storage, (C) 2015 Minio, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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package main |
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import ( |
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"crypto/sha256" |
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"encoding/hex" |
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"fmt" |
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"io" |
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"os" |
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"time" |
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sha256intel "github.com/minio-io/minio/pkg/utils/crypto/sha256" |
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) |
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func SumIntel(reader io.Reader) ([]byte, error) { |
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h := sha256intel.New() |
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var err error |
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for err == nil { |
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length := 0 |
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byteBuffer := make([]byte, 1024*1024) |
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length, err = reader.Read(byteBuffer) |
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byteBuffer = byteBuffer[0:length] |
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h.Write(byteBuffer) |
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} |
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if err != io.EOF { |
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return nil, err |
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} |
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return h.Sum(nil), nil |
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} |
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func Sum(reader io.Reader) ([]byte, error) { |
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k := sha256.New() |
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var err error |
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for err == nil { |
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length := 0 |
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byteBuffer := make([]byte, 1024*1024) |
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length, err = reader.Read(byteBuffer) |
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byteBuffer = byteBuffer[0:length] |
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k.Write(byteBuffer) |
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} |
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if err != io.EOF { |
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return nil, err |
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} |
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return k.Sum(nil), nil |
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} |
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func main() { |
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fmt.Println("-- start") |
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file1, _ := os.Open("filename1") |
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defer file1.Close() |
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stark := time.Now() |
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sum, _ := Sum(file1) |
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endk := time.Since(stark) |
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file2, _ := os.Open("filename2") |
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defer file2.Close() |
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starth := time.Now() |
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sumSSE, _ := SumIntel(file2) |
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endh := time.Since(starth) |
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fmt.Println("std(", endk, ")", "ssse3(", endh, ")") |
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fmt.Println(hex.EncodeToString(sum), hex.EncodeToString(sumSSE)) |
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} |
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@ -1,83 +0,0 @@ |
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// +build ignore
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//
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// Mini Object Storage, (C) 2015 Minio, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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package main |
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import ( |
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"crypto/sha512" |
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"encoding/hex" |
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"fmt" |
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"io" |
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"os" |
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"time" |
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sha512intel "github.com/minio-io/minio/pkg/utils/crypto/sha512" |
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) |
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// Intels processor accelerated sha512 implementation
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func SumIntel(reader io.Reader) ([]byte, error) { |
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h := sha512intel.New() |
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var err error |
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for err == nil { |
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length := 0 |
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byteBuffer := make([]byte, 1024*1024) |
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length, err = reader.Read(byteBuffer) |
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byteBuffer = byteBuffer[0:length] |
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h.Write(byteBuffer) |
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} |
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if err != io.EOF { |
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return nil, err |
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} |
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return h.Sum(nil), nil |
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} |
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// Golang default implementation
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func Sum(reader io.Reader) ([]byte, error) { |
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k := sha512.New() |
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var err error |
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for err == nil { |
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length := 0 |
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byteBuffer := make([]byte, 1024*1024) |
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length, err = reader.Read(byteBuffer) |
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byteBuffer = byteBuffer[0:length] |
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k.Write(byteBuffer) |
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} |
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if err != io.EOF { |
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return nil, err |
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} |
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return k.Sum(nil), nil |
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} |
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func main() { |
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fmt.Println("-- start") |
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file1, _ := os.Open("filename1") |
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defer file1.Close() |
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stark := time.Now() |
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sum, _ := Sum(file1) |
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endk := time.Since(stark) |
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file2, _ := os.Open("filename2") |
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defer file2.Close() |
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starth := time.Now() |
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sumSSE, _ := SumIntel(file2) |
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endh := time.Since(starth) |
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fmt.Println("std(", endk, ")", "ssse3(", endh, ")") |
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fmt.Println(hex.EncodeToString(sum), hex.EncodeToString(sumSSE)) |
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} |
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