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.

Back to listApr 18, 2026 18:45

Victor MerckléScore: 124,451Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Apr 18, 2026 18:43	123,749	136,619,796	105,902,000	2,997,000	2,301,952
2	Apr 18, 2026 18:43	123,855	136,516,113	105,993,000	2,999,000	2,301,952
3	Apr 18, 2026 18:43	123,953	138,834,984	106,077,000	3,002,000	2,297,856
4	Apr 18, 2026 18:40	124,042	144,102,883	107,155,000	2,002,000	2,310,144
5	Apr 18, 2026 18:43	124,159	137,962,125	106,253,000	3,007,000	2,310,144
6	Apr 18, 2026 18:43	124,176	134,681,225	106,268,000	3,007,000	2,310,144
7	Apr 18, 2026 18:40	124,239	140,167,793	107,324,000	2,006,000	2,310,144
8	Apr 18, 2026 18:43	124,264	132,338,862	107,346,000	2,006,000	2,310,144
9	Apr 18, 2026 18:45	124,268	140,259,650	106,347,000	3,009,000	2,310,144
10	Apr 18, 2026 18:42	124,291	131,338,574	107,370,000	2,006,000	2,297,856
11	Apr 18, 2026 18:43	124,299	134,533,930	106,373,000	3,010,000	2,306,048
12	Apr 18, 2026 18:42	124,315	133,190,395	107,390,000	2,007,000	2,306,048
13	Apr 18, 2026 18:42	124,324	135,581,347	108,402,000	1,003,000	2,306,048
14	Apr 18, 2026 18:40	124,352	134,172,249	107,423,000	2,007,000	2,301,952
15	Apr 18, 2026 18:42	124,364	134,180,378	107,432,000	2,008,000	2,281,472
16	Apr 18, 2026 18:42	124,451	136,262,257	107,508,000	2,009,000	2,306,048
17	Apr 18, 2026 18:40	124,466	131,516,773	107,521,000	2,009,000	2,281,472
18	Apr 18, 2026 18:42	124,497	130,748,244	108,552,000	1,005,000	2,428,928
19	Apr 18, 2026 18:40	124,497	134,063,094	108,552,000	1,005,000	2,310,144
20	Apr 18, 2026 18:42	124,502	135,144,895	107,552,000	2,010,000	2,310,144
21	Apr 18, 2026 18:40	124,532	132,191,096	107,578,000	2,010,000	2,314,240
22	Apr 18, 2026 18:40	124,536	136,753,399	107,582,000	2,010,000	2,314,240
23	Apr 18, 2026 18:43	124,610	140,362,775	108,651,000	1,006,000	2,281,472
24	Apr 18, 2026 18:45	124,657	142,945,580	107,686,000	2,012,000	2,318,336
25	Apr 18, 2026 18:40	124,665	136,975,898	108,699,000	1,006,000	2,281,472
26	Apr 18, 2026 18:40	124,845	136,719,613	107,867,000	1,997,000	2,281,472
27	Apr 18, 2026 18:43	124,880	137,370,735	107,878,000	2,016,000	2,281,472
28	Apr 18, 2026 18:42	125,108	134,328,723	107,093,000	3,002,000	2,306,048
29	Apr 18, 2026 18:42	125,363	138,956,509	107,311,000	3,008,000	2,306,048
30	Apr 18, 2026 18:45	125,373	134,836,547	106,317,000	4,011,000	2,519,040

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