Sum of prime numbers

Compute the sum of all prime numbers in a stream of binary integers as fast as possible.

Input: 1 000 000 uint32 values in little-endian binary on STDIN (4 bytes each).

Output: The uint64 sum of all values that are prime, printed as a decimal string.

Restrictions:30s256Mb 1 Score Packages

Feel free to create an issue if you need an extra library from the standard Ubuntu repository.

Name	Version	Description
libc6-dev	2.39-0ubuntu8.7	GNU C Library: Development Libraries and Header Files Contains the symlinks, headers, and object files needed to compile and link programs which use the standard C library.
libclang-common-14-dev	1:14.0.6-19build4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-15-dev	1:15.0.7-14build3	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-16-dev	1:16.0.6-23ubuntu4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-17-dev	1:17.0.6-9ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-18-dev	1:18.1.3-1ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-19-dev	1:19.1.1-1ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-20-dev	1:20.1.2-0ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libcrypt-dev	1:4.4.36-4build1	libcrypt development files This package contains the files needed for developing applications that use libcrypt.
libgcc-10-dev	10.5.0-4ubuntu2.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-11-dev	11.5.0-1ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-12-dev	12.4.0-2ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-13-dev	13.3.0-6ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-14-dev	14.2.0-4ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libobjc-13-dev	13.3.0-6ubuntu2~24.04.1	Runtime library for GNU Objective-C applications (development files) This package contains the headers and static library files needed to build GNU ObjC applications.
libssl-dev	3.0.13-0ubuntu3.9	Secure Sockets Layer toolkit - development files This package is part of the OpenSSL project's implementation of the SSL and TLS cryptographic protocols for secure communication over the Internet. . It contains development libraries, header files, and manpages for libssl and libcrypto.
libstdc++-10-dev	10.5.0-4ubuntu2.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-11-dev	11.5.0-1ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-12-dev	12.4.0-2ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-13-dev	13.3.0-6ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-14-dev	14.2.0-4ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libtbb-dev	2021.11.0-2ubuntu2	parallelism library for C++ - development files TBB is a library that helps you leverage multi-core processor performance without having to be a threading expert. It represents a higher-level, task-based parallelism that abstracts platform details and threading mechanism for performance and scalability. . (Note: if you are a user of the i386 architecture, i.e., 32-bit Intel or compatible hardware, this package only supports Pentium4-compatible and higher processors.) . This package includes the TBB development files.

Date	Author	Language	Status	Score
Feb 4, 2026 01:36	vahook	CPPg++13.3.0	Success	3,770+1.41 RP
Feb 4, 2026 01:13	vahook	CPPg++13.3.0	Success	3,789
Feb 4, 2026 00:43	vahook	CPPg++13.3.0	Success	4,014
Feb 4, 2026 00:22	vahook	CPPg++13.3.0	Success	3,772+29.88 RP
Feb 4, 2026 00:19	vahook	CPPg++13.3.0	Success	3,832
Feb 4, 2026 00:18	vahook	CPPg++13.3.0	Success	3,815+25.18 RP
Feb 4, 2026 00:17	vahook	CPPg++13.3.0	Success	3,852
Feb 4, 2026 00:17	vahook	CPPg++13.3.0	Success	3,852+43.73 RP
Feb 4, 2026 00:10	vahook	CPPg++13.3.0	Success	3,918+30.25 RP
Feb 3, 2026 23:47	vahook	CPPg++13.3.0	Success	3,965+13.29 RP
Feb 3, 2026 23:32	vahook	CPPg++13.3.0	Success	4,031
Feb 3, 2026 22:52	vahook	CPPg++13.3.0	Success	3,986+74.51 RP
Feb 3, 2026 22:47	vahook	CPPg++13.3.0	Success	4,108+187.59 RP
Feb 3, 2026 18:37	vahook	CPPg++13.3.0	Success	4,498
Feb 3, 2026 17:14	vahook	CPPg++13.3.0	Success	4,520
Feb 3, 2026 17:01	vahook	CPPg++13.3.0	Success	4,486
Feb 3, 2026 16:44	vahook	CPPg++13.3.0	Success	4,486
Feb 3, 2026 16:38	vahook	CPPg++13.3.0	Success	4,502
Feb 3, 2026 16:33	vahook	CPPg++13.3.0	Success	4,523
Feb 3, 2026 16:32	vahook	CPPg++13.3.0	Success	4,550
Jan 31, 2026 21:42	vahook	CPPg++13.3.0	Success	4,451+2.52 RP
Jan 31, 2026 18:22	vahook	CPPg++13.3.0	Success	4,457
Jan 31, 2026 18:18	vahook	CPPg++13.3.0	Success	4,456+35.20 RP
Jan 30, 2026 22:16	vahook	CPPg++13.3.0	Success	4,527+19.83 RP
Jan 30, 2026 21:51	vahook	CPPg++13.3.0	Success	4,630
Jan 30, 2026 21:39	vahook	CPPg++13.3.0	Success	4,568+34.43 RP
Jan 30, 2026 20:51	vahook	CPPg++13.3.0	Success	4,714
Jan 30, 2026 20:49	vahook	CPPg++13.3.0	Success	4,739
Jan 30, 2026 20:47	vahook	CPPg++13.3.0	Success	4,650
Jan 30, 2026 20:42	vahook	CPPg++13.3.0	Success	4,641+6.48 RP
Jan 27, 2026 13:54	Semyon	CPPg++13.3.0	Success	1,056,352+0.09 RP
Jan 27, 2026 13:48	Semyon	CPPg++13.3.0	Success	1,066,919+0.03 RP
Jan 27, 2026 13:46	Semyon	CPPg++13.3.0	Success	1,071,616
Jan 27, 2026 13:43	Semyon	CPPg++13.3.0	Success	1,070,668+8.54 RP
Jan 27, 2026 13:35	Semyon	CPPg++13.3.0	Success	12,576,903
Jan 27, 2026 13:33	Semyon	CPPg++13.3.0	Success	12,560,440+0.80 RP
Jan 26, 2026 23:23	zielaj	CPPclang++18.1.3	Success	3,509
Jan 26, 2026 23:22	zielaj	CPPclang++18.1.3	Success	3,440
Jan 26, 2026 23:21	zielaj	CPPclang++18.1.3	Success	3,499
Jan 26, 2026 01:47	zielaj	CPPclang++18.1.3	Success	3,478
Jan 26, 2026 01:46	zielaj	CPPclang++18.1.3	Success	3,451
Jan 26, 2026 01:38	zielaj	CPPclang++18.1.3	Success	3,461
Jan 25, 2026 23:30	zielaj	CPPclang++18.1.3	Success	3,485
Jan 25, 2026 01:17	zielaj	CPPclang++18.1.3	Success	3,430
Jan 25, 2026 01:15	zielaj	CPPclang++18.1.3	Success	3,501
Jan 24, 2026 21:23	zielaj	CPPclang++18.1.3	Success	3,472
Jan 24, 2026 21:10	zielaj	CPPclang++18.1.3	Success	3,467
Jan 24, 2026 20:35	zielaj	CPPclang++18.1.3	Success	3,557
Jan 24, 2026 20:19	zielaj	CPPclang++18.1.3	Success	3,450
Jan 24, 2026 20:16	zielaj	CPPclang++18.1.3	Success	3,488
Jan 24, 2026 02:52	zielaj	CPPclang++18.1.3	Success	3,453
Jan 24, 2026 02:17	zielaj	CPPclang++18.1.3	Error
Jan 24, 2026 01:58	zielaj	CPPclang++18.1.3	Success	3,474
Jan 24, 2026 01:56	zielaj	CPPclang++18.1.3	Success	3,464
Jan 24, 2026 01:39	zielaj	CPPclang++18.1.3	Success	3,484
Jan 24, 2026 01:37	zielaj	CPPclang++18.1.3	Success	3,467
Jan 24, 2026 01:30	zielaj	CPPclang++18.1.3	Success	3,460
Jan 24, 2026 01:22	zielaj	CPPclang++18.1.3	Success	3,506
Jan 24, 2026 01:08	zielaj	CPPclang++18.1.3	Success	3,475
Jan 24, 2026 01:07	zielaj	CPPclang++18.1.3	Error
Jan 24, 2026 01:04	zielaj	CPPclang++18.1.3	Success	3,436
Jan 23, 2026 04:44	zielaj	CPPclang++18.1.3	Success	3,460
Jan 23, 2026 04:31	zielaj	CPPclang++18.1.3	Success	3,560
Jan 23, 2026 04:05	zielaj	CPPclang++18.1.3	Success	3,897
Jan 23, 2026 04:04	Josu San Martin	RUSTrust-1.92.0	Success	12,758+236.42 RP
Jan 23, 2026 04:03	Josu San Martin	CPPclang++18.1.3	Error
Jan 23, 2026 04:03	zielaj	CPPclang++18.1.3	Success	3,413
Jan 23, 2026 04:02	zielaj	CPPclang++18.1.3	Success	3,468
Jan 23, 2026 04:01	zielaj	CPPclang++18.1.3	Success	3,467
Jan 23, 2026 03:59	zielaj	CPPclang++18.1.3	Success	3,455
Jan 23, 2026 03:59	zielaj	CPPclang++18.1.3	Success	3,455
Jan 22, 2026 04:42	zielaj	CPPclang++18.1.3	Success	3,484
Jan 22, 2026 04:41	zielaj	CPPclang++18.1.3	Success	3,641
Jan 22, 2026 04:40	zielaj	CPPclang++18.1.3	Success	4,191
Jan 22, 2026 04:40	zielaj	CPPclang++18.1.3	Success	3,477
Jan 22, 2026 04:38	zielaj	CPPclang++18.1.3	Error
Jan 22, 2026 03:57	zielaj	CPPclang++18.1.3	Success	3,624
Jan 22, 2026 03:56	zielaj	CPPclang++18.1.3	Success	3,506
Jan 22, 2026 03:34	zielaj	CPPclang++18.1.3	Success	3,467
Jan 22, 2026 03:25	zielaj	CPPclang++18.1.3	Success	3,608
Jan 22, 2026 03:21	zielaj	CPPclang++18.1.3	Success	3,419
Jan 22, 2026 03:15	zielaj	CPPclang++18.1.3	Success	3,495
Jan 22, 2026 03:15	zielaj	CPPclang++18.1.3	Success	3,447
Jan 21, 2026 14:03	Johan Sannemo	CPPg++13.3.0	Success	8,708
Jan 21, 2026 14:02	Johan Sannemo	CPPg++13.3.0	Success	8,620
Jan 21, 2026 14:01	Johan Sannemo	CPPg++13.3.0	Error	+3.01 RP
Jan 21, 2026 14:01	Johan Sannemo	CPPg++13.3.0	Success	8,799
Jan 21, 2026 14:00	Johan Sannemo	CPPg++13.3.0	Success	8,600
Jan 21, 2026 13:59	Johan Sannemo	CPPg++13.3.0	Success	8,625
Jan 21, 2026 13:48	Johan Sannemo	CPPg++13.3.0	Success	9,000
Jan 21, 2026 13:33	Johan Sannemo	CPPg++13.3.0	Success	8,909
Jan 21, 2026 13:28	Johan Sannemo	CPPg++13.3.0	Success	9,611
Jan 21, 2026 13:19	Johan Sannemo	CPPg++13.3.0	Success	8,997
Jan 21, 2026 13:15	Johan Sannemo	CPPg++13.3.0	Success	9,166
Jan 21, 2026 13:14	Johan Sannemo	CPPg++13.3.0	Error
Jan 21, 2026 13:08	Johan Sannemo	CPPg++13.3.0	Success	10,347
Jan 21, 2026 13:02	Johan Sannemo	CPPg++13.3.0	Success	9,048
Jan 21, 2026 11:40	Johan Sannemo	CPPg++13.3.0	Success	8,555+19.09 RP
Jan 21, 2026 03:15	Josu San Martin	CPPclang++18.1.3	Success	12,116
Jan 21, 2026 02:55	Josu San Martin	CPPclang++18.1.3	Error

Model	Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz
Cores	1