diff options
Diffstat (limited to 'vendor/github.com/minio/crc64nvme/crc64.go')
| -rw-r--r-- | vendor/github.com/minio/crc64nvme/crc64.go | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/vendor/github.com/minio/crc64nvme/crc64.go b/vendor/github.com/minio/crc64nvme/crc64.go index 40ac28c76..ca34a48e0 100644 --- a/vendor/github.com/minio/crc64nvme/crc64.go +++ b/vendor/github.com/minio/crc64nvme/crc64.go @@ -125,14 +125,19 @@ func update(crc uint64, p []byte) uint64 { p = p[align:] } runs := len(p) / 128 - crc = updateAsm(crc, p[:128*runs]) + if hasAsm512 && runs >= 8 { + // Use 512-bit wide instructions for >= 1KB. + crc = updateAsm512(crc, p[:128*runs]) + } else { + crc = updateAsm(crc, p[:128*runs]) + } return update(crc, p[128*runs:]) } buildSlicing8TablesOnce() crc = ^crc // table comparison is somewhat expensive, so avoid it for small sizes - for len(p) >= 64 { + if len(p) >= 64 { var helperTable = slicing8TableNVME // Update using slicing-by-8 for len(p) > 8 { |