How To Install qcint on Fedora 34

qcint is An optimized libcint branch for X86 platform with SSE3 intrinsics

Introduction

In this tutorial we learn how to install qcint on Fedora 34.

What is qcint

Qcint is a branch of the libcint library. It provides exactly the same APIs as libcint. However, the code is optimized using AVX instructions. On x86_64 platform, qcint can be 5 ~ 50% faster than libcint. Please refer to libcint for more details of the features.

We can use yum or dnf to install qcint on Fedora 34. In this tutorial we discuss both methods but you only need to choose one of method to install qcint.

Install qcint on Fedora 34 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

Fedora 34 - x86_64                               20 kB/s | 6.6 kB     00:00
Fedora 34 openh264 (From Cisco) - x86_64        1.4 kB/s | 989  B     00:00
Fedora Modular 34 - x86_64                       68 kB/s | 6.5 kB     00:00
Fedora 34 - x86_64 - Updates                    3.5 kB/s | 6.2 kB     00:01
Fedora Modular 34 - x86_64 - Updates             17 kB/s | 5.9 kB     00:00
Metadata cache created.

After updating yum database, We can install qcint using dnf by running the following command:

sudo dnf -y install qcint

Install qcint on Fedora 34 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

Fedora 34 - x86_64                               20 kB/s | 6.6 kB     00:00
Fedora 34 openh264 (From Cisco) - x86_64        1.4 kB/s | 989  B     00:00
Fedora Modular 34 - x86_64                       68 kB/s | 6.5 kB     00:00
Fedora 34 - x86_64 - Updates                    3.5 kB/s | 6.2 kB     00:01
Fedora Modular 34 - x86_64 - Updates             17 kB/s | 5.9 kB     00:00
Metadata cache created.

After updating yum database, We can install qcint using yum by running the following command:

sudo yum -y install qcint

How To Uninstall qcint on Fedora 34

To uninstall only the qcint package we can use the following command:

sudo dnf remove qcint

qcint Package Contents on Fedora 34

/usr/lib/.build-id
/usr/lib/.build-id/12
/usr/lib/.build-id/12/30430f4fbd9ea50604ed6526be0107ffae7f9f
/usr/lib64/libcint.so.4
/usr/lib64/libcint.so.4.4.3
/usr/share/doc/qcint
/usr/share/doc/qcint/ChangeLog
/usr/share/doc/qcint/README.md
/usr/share/licenses/qcint
/usr/share/licenses/qcint/LICENSE
/usr/lib/.build-id
/usr/lib/.build-id/4e
/usr/lib/.build-id/4e/f5958e25ea476b18a5282b1750b85dc3872114
/usr/lib64/libcint.so.4
/usr/lib64/libcint.so.4.0.6
/usr/share/doc/qcint
/usr/share/doc/qcint/ChangeLog
/usr/share/doc/qcint/README.md
/usr/share/licenses/qcint
/usr/share/licenses/qcint/LICENSE

References

Summary

In this tutorial we learn how to install qcint on Fedora 34 using yum and dnf.