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 listFeb 22, 2026 01:31

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Feb 22, 2026 16:39	3,058	16,951,123	2,691,000	0	2,428,928
2	Feb 22, 2026 01:30	3,058	23,126,404	2,691,000	0	2,433,024
3	Feb 22, 2026 03:46	3,060	18,269,632	2,693,000	0	2,433,024
4	Feb 22, 2026 01:32	3,070	16,693,488	2,702,000	0	2,424,832
5	Feb 22, 2026 03:46	3,077	17,776,038	2,708,000	0	2,437,120
6	Feb 22, 2026 01:31	3,084	18,765,958	2,714,000	0	2,437,120
7	Feb 22, 2026 16:39	3,088	20,415,342	2,717,000	0	2,428,928
8	Feb 22, 2026 03:58	3,088	16,088,458	2,717,000	0	2,428,928
9	Feb 22, 2026 03:58	3,089	18,056,980	2,718,000	0	2,428,928
10	Feb 22, 2026 03:58	3,091	17,945,575	2,720,000	0	2,437,120
11	Feb 22, 2026 03:46	3,092	28,097,273	2,721,000	0	2,441,216
12	Feb 22, 2026 01:31	3,095	17,866,576	2,724,000	0	2,433,024
13	Feb 22, 2026 03:58	3,097	18,138,184	2,725,000	0	2,437,120
14	Feb 22, 2026 03:58	3,101	21,528,005	2,729,000	0	2,441,216
15	Feb 22, 2026 03:58	3,101	15,399,804	2,729,000	0	2,433,024
16	Feb 22, 2026 03:58	3,102	20,373,659	2,730,000	0	2,433,024
17	Feb 22, 2026 01:30	3,102	21,215,546	2,730,000	0	2,433,024
18	Feb 22, 2026 03:46	3,105	20,225,833	2,732,000	0	2,433,024
19	Feb 22, 2026 03:58	3,106	22,325,434	2,733,000	0	2,437,120
20	Feb 22, 2026 03:46	3,109	15,574,904	2,736,000	0	2,437,120
21	Feb 22, 2026 01:34	3,110	24,712,258	2,737,000	0	2,433,024
22	Feb 22, 2026 01:34	3,115	20,097,870	2,741,000	0	2,437,120
23	Feb 22, 2026 03:58	3,116	22,236,574	2,742,000	0	2,424,832
24	Feb 22, 2026 03:45	3,118	18,201,607	2,744,000	0	2,433,024
25	Feb 22, 2026 03:58	3,119	25,425,965	2,745,000	0	2,433,024
26	Feb 22, 2026 03:46	3,119	18,074,666	2,745,000	0	2,433,024
27	Feb 22, 2026 03:58	3,120	25,621,323	2,746,000	0	2,277,376
28	Feb 22, 2026 03:58	3,122	18,033,078	2,747,000	0	2,441,216
29	Feb 22, 2026 01:31	3,125	21,563,435	2,750,000	0	2,441,216
30	Feb 22, 2026 01:30	3,125	19,600,060	2,750,000	0	2,428,928
31	Feb 22, 2026 01:31	3,125	19,418,477	2,750,000	0	2,433,024
32	Feb 22, 2026 01:31	3,128	20,353,755	2,753,000	0	2,428,928
33	Feb 22, 2026 03:58	3,134	22,405,622	2,758,000	0	2,433,024
34	Feb 22, 2026 16:39	3,135	19,774,913	2,759,000	0	2,437,120
35	Feb 22, 2026 01:30	3,145	18,639,274	2,768,000	0	2,433,024
36	Feb 22, 2026 16:39	3,168	17,786,456	2,788,000	0	2,424,832
37	Feb 22, 2026 01:32	3,168	21,299,012	2,788,000	0	2,433,024
38	Feb 22, 2026 01:31	3,169	19,742,796	2,789,000	0	2,539,520
39	Feb 22, 2026 01:34	3,192	22,528,051	2,809,000	0	2,428,928
40	Feb 22, 2026 01:30	3,192	24,563,550	2,809,000	0	2,433,024
41	Feb 22, 2026 01:32	3,208	22,100,007	2,823,000	0	2,428,928
42	Feb 22, 2026 03:56	3,231	18,285,433	2,843,000	0	2,428,928
43	Feb 22, 2026 03:58	3,267	22,159,220	1,917,000	958,000	2,514,944
44	Feb 22, 2026 03:56	3,301	19,834,005	1,937,000	968,000	2,277,376
45	Feb 22, 2026 16:39	3,303	16,938,718	1,938,000	969,000	2,510,848
46	Feb 22, 2026 03:45	3,310	16,013,486	1,942,000	971,000	2,428,928
47	Feb 22, 2026 03:45	3,311	21,838,587	1,943,000	971,000	2,441,216
48	Feb 22, 2026 03:45	3,311	24,057,521	2,914,000	0	2,424,832
49	Feb 22, 2026 01:34	3,314	25,483,504	1,944,000	972,000	2,424,832
50	Feb 22, 2026 16:39	3,317	17,970,283	1,946,000	973,000	2,433,024
51	Feb 22, 2026 03:46	3,317	20,017,602	1,946,000	973,000	2,428,928
52	Feb 22, 2026 01:34	3,317	17,125,172	1,946,000	973,000	2,428,928
53	Feb 22, 2026 01:31	3,318	21,301,913	1,947,000	973,000	2,428,928
54	Feb 22, 2026 01:32	3,318	19,375,640	1,947,000	973,000	2,428,928
55	Feb 22, 2026 03:45	3,318	22,809,886	1,947,000	973,000	2,424,832
56	Feb 22, 2026 01:32	3,320	23,134,722	1,948,000	974,000	2,277,376
57	Feb 22, 2026 03:46	3,322	19,080,192	1,949,000	974,000	2,428,928
58	Feb 22, 2026 03:58	3,322	19,639,661	1,949,000	974,000	2,424,832
59	Feb 22, 2026 03:46	3,324	20,299,021	1,950,000	975,000	2,428,928
60	Feb 22, 2026 03:56	3,324	21,090,962	2,925,000	0	2,428,928
61	Feb 22, 2026 01:31	3,324	21,479,607	2,925,000	0	2,437,120
62	Feb 22, 2026 01:30	3,325	23,497,996	1,951,000	975,000	2,441,216
63	Feb 22, 2026 03:46	3,327	17,820,891	1,952,000	976,000	2,277,376
64	Feb 22, 2026 01:30	3,327	21,948,112	1,952,000	976,000	2,428,928
65	Feb 22, 2026 01:31	3,489	23,761,542	2,047,000	1,023,000	2,424,832
66	Feb 22, 2026 01:30	3,603	22,567,207	2,114,000	1,057,000	2,437,120
67	Feb 22, 2026 01:30	3,605	18,918,313	2,115,000	1,057,000	2,433,024
68	Feb 22, 2026 03:46	3,655	18,426,907	2,144,000	1,072,000	2,277,376
69	Feb 22, 2026 01:31	3,665	19,498,037	2,150,000	1,075,000	2,277,376
70	Feb 22, 2026 03:45	3,672	21,975,397	2,154,000	1,077,000	2,433,024
71	Feb 22, 2026 03:58	3,683	21,157,205	2,161,000	1,080,000	2,433,024
72	Feb 22, 2026 03:46	3,705	24,246,943	3,260,000	0	2,277,376
73	Feb 22, 2026 03:58	3,706	19,049,562	3,261,000	0	2,433,024
74	Feb 22, 2026 03:58	3,708	22,221,408	3,263,000	0	2,428,928
75	Feb 22, 2026 01:31	3,711	17,599,555	3,266,000	0	2,277,376
76	Feb 22, 2026 01:32	3,730	21,139,292	2,188,000	1,094,000	2,535,424
77	Feb 22, 2026 01:34	3,788	20,550,283	3,333,000	0	2,428,928
78	Feb 22, 2026 01:31	3,847	19,655,145	3,385,000	0	2,437,120

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