Hi, I wanted to let you know about a possible issue I found in grep v3.7. I run Cygwin and recently downgraded ‘grep’ to v3.6 from v3.7 to address a performance issue (shown below). I just thought you’d want to know (V3.6 is working well, so I’m in a good place 😊 ) Enjoy, -g-
% time echo hi | grep h hi real 0m7.442s user 0m0.030s sys 0m6.576s % /usr/bin/grep --version grep (GNU grep) 3.7 Packaged by Cygwin (3.7-2) Copyright (C) 2021 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later https://gnu.org/licenses/gpl.html. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Written by Mike Haertel and others; see https://git.sv.gnu.org/cgit/grep.git/tree/AUTHORS. After the downgrade… % time echo hi | grep h hi real 0m0.292s user 0m0.015s sys 0m0.124s % grep --version grep (GNU grep) 3.6 Packaged by Cygwin (3.6-1) Copyright (C) 2020 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later https://gnu.org/licenses/gpl.html. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Written by Mike Haertel and others; see https://git.sv.gnu.org/cgit/grep.git/tree/AUTHORS. System Details… OS Name: Microsoft Windows 10 Enterprise OS Version: 10.0.19042 N/A Build 19042 OS Manufacturer: Microsoft Corporation OS Configuration: Standalone Workstation OS Build Type: Multiprocessor Free Registered Owner: Windows User Registered Organization: TestCo Product ID: xxxxxx Original Install Date: 1/11/2022, 7:40:45 AM System Boot Time: 4/29/2022, 8:40:28 AM System Manufacturer: LENOVO System Model: 20ST004EUS System Type: x64-based PC Processor(s): 1 Processor(s) Installed. [01]: Intel64 Family 6 Model 165 Stepping 2 GenuineIntel ~2592 Mhz BIOS Version: LENOVO N30ET45W (1.28 ), 2/24/2022 Windows Directory: C:\Windows System Directory: C:\Windows\system32 Boot Device: \Device\HarddiskVolume2 System Locale: en-us;English (United States) Input Locale: en-us;English (United States) Time Zone: (UTC-05:00) Eastern Time (US & Canada) Total Physical Memory: 32,519 MB Available Physical Memory: 6,687 MB Virtual Memory: Max Size: 57,190 MB Virtual Memory: Available: 11,275 MB Virtual Memory: In Use: 45,915 MB Page File Location(s): C:\pagefile.sys Domain: WORKGROUP Logon Server: xxxxx Hotfix(s): 9 Hotfix(s) Installed. [01]: KB5012117 [02]: KB4562830 [03]: KB4570334 [04]: KB5005716 [05]: KB5012599 [06]: KB5007273 [07]: KB5011352 [08]: KB5011651 [09]: KB5005260 Network Card(s): 5 NIC(s) Installed. [01]: Intel(R) Wi-Fi 6 AX201 160MHz Connection Name: Wi-Fi Status: Media disconnected [02]: Intel(R) Ethernet Connection (11) I219-V Connection Name: Ethernet Status: Media disconnected [03]: Bluetooth Device (Personal Area Network) Connection Name: Bluetooth Network Connection Status: Media disconnected [04]: Juniper Networks Virtual Adapter Connection Name: Local Area Connection* 12 DHCP Enabled: No IP address(es) [01]: xxxxx [02]: xxxxx [05]: DisplayLink Network Adapter NCM Connection Name: Ethernet 2 DHCP Enabled: Yes DHCP Server: 192.168.1.1 IP address(es) [01]: xxxxx [02]: xxxxx Hyper-V Requirements: VM Monitor Mode Extensions: Yes Virtualization Enabled In Firmware: Yes Second Level Address Translation: Yes Data Execution Prevention Available: Yes -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple
