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 listMar 20, 2026 23:37

Dominique GarmierScore: 137,219Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Mar 20, 2026 22:51	136,678	141,292,336	120,277,000	0	2,367,488
2	Mar 20, 2026 22:39	136,819	147,166,800	119,398,000	1,003,000	2,371,584
3	Mar 20, 2026 23:49	136,886	149,706,254	119,457,000	1,003,000	2,359,296
4	Mar 20, 2026 23:49	136,910	149,517,364	119,477,000	1,004,000	2,285,568
5	Mar 21, 2026 01:13	136,931	146,465,301	119,495,000	1,004,000	2,359,296
6	Mar 20, 2026 23:19	136,970	143,863,285	120,534,000	0	2,363,392
7	Mar 20, 2026 22:51	136,972	143,455,367	120,535,000	0	2,359,296
8	Mar 20, 2026 22:33	137,001	143,981,588	120,561,000	0	2,363,392
9	Mar 21, 2026 01:56	137,030	142,803,263	120,586,000	0	2,289,664
10	Mar 20, 2026 22:31	137,081	144,334,714	120,631,000	0	2,363,392
11	Mar 20, 2026 22:39	137,094	143,015,034	119,638,000	1,005,000	2,367,488
12	Mar 20, 2026 22:51	137,138	153,376,333	119,684,000	997,000	2,285,568
13	Mar 20, 2026 23:49	137,155	151,144,153	119,691,000	1,005,000	2,281,472
14	Mar 21, 2026 01:13	137,166	149,281,333	119,701,000	1,005,000	2,285,568
15	Mar 20, 2026 22:31	137,186	141,963,035	119,718,000	1,006,000	2,285,568
16	Mar 20, 2026 23:06	137,206	148,080,589	119,735,000	1,006,000	2,363,392
17	Mar 21, 2026 01:13	137,219	148,297,204	119,747,000	1,006,000	2,371,584
18	Mar 21, 2026 01:56	137,267	150,796,366	118,799,000	1,996,000	2,367,488
19	Mar 20, 2026 22:31	137,359	144,009,716	119,878,000	998,000	2,469,888
20	Mar 20, 2026 23:06	137,457	146,042,357	118,963,000	1,999,000	2,285,568
21	Mar 20, 2026 22:39	137,503	143,190,584	120,003,000	1,000,000	2,359,296
22	Mar 21, 2026 01:56	137,520	145,240,718	119,018,000	2,000,000	2,367,488
23	Mar 20, 2026 23:06	137,558	143,695,337	119,051,000	2,000,000	2,363,392
24	Mar 20, 2026 23:06	137,581	148,395,043	119,070,000	2,001,000	2,363,392
25	Mar 20, 2026 23:19	137,638	163,356,961	119,119,000	2,002,000	2,281,472
26	Mar 20, 2026 22:33	137,650	149,180,270	119,130,000	2,002,000	2,363,392
27	Mar 20, 2026 23:19	137,665	147,300,465	119,143,000	2,002,000	2,461,696
28	Mar 20, 2026 23:06	137,830	147,553,752	120,288,000	1,002,000	2,355,200
29	Mar 20, 2026 23:37	137,991	139,581,645	120,429,000	1,003,000	2,367,488
30	Mar 20, 2026 22:33	138,048	150,915,664	120,479,000	1,003,000	2,363,392
31	Mar 20, 2026 23:37	138,218	142,222,976	120,627,000	1,005,000	2,285,568
32	Mar 20, 2026 23:06	139,868	144,121,798	122,084,000	1,000,000	2,363,392
33	Mar 20, 2026 23:37	141,169	147,996,795	122,226,000	2,003,000	2,347,008

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