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 19, 2026 10:42

Dominique GarmierScore: 18,680Success

Source Code

Source code access is restricted. Log in to request access.

Challenge History

No challenges yet.

Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Mar 19, 2026 13:13	18,551	34,788,512	16,325,000	0	2,351,104
2	Mar 19, 2026 11:21	18,558	43,125,388	15,311,000	1,020,000	2,351,104
3	Mar 19, 2026 10:42	18,565	33,573,729	15,316,000	1,021,000	2,351,104
4	Mar 19, 2026 10:47	18,568	35,059,384	16,340,000	0	2,351,104
5	Mar 19, 2026 13:20	18,576	42,762,973	15,326,000	1,021,000	2,355,200
6	Mar 19, 2026 12:36	18,588	34,637,469	16,357,000	0	2,347,008
7	Mar 19, 2026 13:04	18,588	41,131,332	16,357,000	0	2,334,720
8	Mar 19, 2026 13:17	18,588	46,028,048	15,335,000	1,022,000	2,351,104
9	Mar 19, 2026 12:58	18,589	42,078,199	15,336,000	1,022,000	2,359,296
10	Mar 19, 2026 10:45	18,590	39,072,857	15,337,000	1,022,000	2,355,200
11	Mar 19, 2026 13:17	18,590	37,552,578	15,337,000	1,022,000	2,351,104
12	Mar 19, 2026 12:58	18,594	46,082,866	15,341,000	1,022,000	2,351,104
13	Mar 19, 2026 10:55	18,597	41,499,641	16,365,000	0	2,351,104
14	Mar 19, 2026 10:19	18,605	42,636,168	16,372,000	0	2,351,104
15	Mar 19, 2026 10:45	18,608	42,233,193	16,375,000	0	2,330,624
16	Mar 19, 2026 13:24	18,608	38,447,621	16,375,000	0	2,338,816
17	Mar 19, 2026 10:55	18,610	39,975,183	15,354,000	1,023,000	2,338,816
18	Mar 19, 2026 12:36	18,613	36,184,243	15,356,000	1,023,000	2,355,200
19	Mar 19, 2026 10:54	18,614	36,968,243	16,380,000	0	2,351,104
20	Mar 19, 2026 10:47	18,615	32,016,883	15,358,000	1,023,000	2,351,104
21	Mar 19, 2026 10:40	18,616	35,261,667	15,359,000	1,023,000	2,351,104
22	Mar 19, 2026 12:32	18,616	35,913,738	16,382,000	0	2,338,816
23	Mar 19, 2026 12:44	18,617	37,136,980	16,383,000	0	2,351,104
24	Mar 19, 2026 10:50	18,618	40,993,733	16,384,000	0	2,351,104
25	Mar 19, 2026 13:36	18,618	41,540,558	16,384,000	0	2,351,104
26	Mar 19, 2026 10:55	18,619	42,561,869	15,361,000	1,024,000	2,342,912
27	Mar 19, 2026 10:50	18,620	45,664,960	15,362,000	1,024,000	2,351,104
28	Mar 19, 2026 13:06	18,620	46,101,798	15,362,000	1,024,000	2,338,816
29	Mar 19, 2026 10:45	18,622	46,055,909	15,363,000	1,024,000	2,338,816
30	Mar 19, 2026 10:45	18,624	38,009,786	16,389,000	0	2,338,816
31	Mar 19, 2026 11:56	18,624	46,930,845	15,365,000	1,024,000	2,351,104
32	Mar 19, 2026 10:45	18,625	42,792,748	15,366,000	1,024,000	2,351,104
33	Mar 19, 2026 12:54	18,625	41,336,658	16,390,000	0	2,334,720
34	Mar 19, 2026 12:56	18,627	40,591,102	15,368,000	1,024,000	2,351,104
35	Mar 19, 2026 11:48	18,630	45,783,570	15,370,000	1,024,000	2,318,336
36	Mar 19, 2026 12:56	18,631	48,023,726	16,395,000	0	2,330,624
37	Mar 19, 2026 10:45	18,632	47,030,252	15,372,000	1,024,000	2,338,816
38	Mar 19, 2026 13:06	18,632	32,604,776	15,372,000	1,024,000	2,363,392
39	Mar 19, 2026 13:20	18,632	32,369,634	16,396,000	0	2,355,200
40	Mar 19, 2026 10:59	18,634	40,607,330	16,398,000	0	2,355,200
41	Mar 19, 2026 12:44	18,634	43,734,759	16,398,000	0	2,355,200
42	Mar 19, 2026 11:45	18,638	44,234,665	15,376,000	1,025,000	2,334,720
43	Mar 19, 2026 13:13	18,638	32,268,133	16,401,000	0	2,355,200
44	Mar 19, 2026 12:54	18,640	46,093,669	16,403,000	0	2,351,104
45	Mar 19, 2026 13:28	18,640	42,172,923	15,378,000	1,025,000	2,330,624
46	Mar 19, 2026 10:55	18,641	34,055,226	15,379,000	1,025,000	2,342,912
47	Mar 19, 2026 12:48	18,641	44,811,503	15,379,000	1,025,000	2,342,912
48	Mar 19, 2026 13:17	18,641	35,948,513	15,379,000	1,025,000	2,338,816
49	Mar 19, 2026 11:48	18,645	44,509,343	16,408,000	0	2,363,392
50	Mar 19, 2026 11:56	18,645	42,437,527	15,383,000	1,025,000	2,437,120
51	Mar 19, 2026 12:29	18,645	36,220,313	15,383,000	1,025,000	2,351,104
52	Mar 19, 2026 12:15	18,647	29,066,288	15,384,000	1,025,000	2,355,200
53	Mar 19, 2026 12:43	18,647	44,788,074	16,409,000	0	2,351,104
54	Mar 19, 2026 13:04	18,647	40,423,212	15,384,000	1,025,000	2,355,200
55	Mar 19, 2026 12:44	18,648	37,225,650	16,410,000	0	2,326,528
56	Mar 19, 2026 12:48	18,648	32,812,899	15,385,000	1,025,000	2,355,200
57	Mar 19, 2026 13:06	18,648	47,752,489	16,410,000	0	2,326,528
58	Mar 19, 2026 10:19	18,649	42,157,631	15,386,000	1,025,000	2,351,104
59	Mar 19, 2026 10:48	18,650	43,790,681	16,412,000	0	2,351,104
60	Mar 19, 2026 12:48	18,650	44,747,898	16,412,000	0	2,330,624
61	Mar 19, 2026 12:29	18,651	37,440,927	15,388,000	1,025,000	2,355,200
62	Mar 19, 2026 10:19	18,655	43,716,438	16,416,000	0	2,351,104
63	Mar 19, 2026 10:40	18,655	33,237,443	15,390,000	1,026,000	2,338,816
64	Mar 19, 2026 12:15	18,655	33,514,844	15,390,000	1,026,000	2,355,200
65	Mar 19, 2026 10:47	18,656	41,349,971	15,391,000	1,026,000	2,330,624
66	Mar 19, 2026 12:05	18,656	39,405,050	15,391,000	1,026,000	2,355,200
67	Mar 19, 2026 10:51	18,657	39,719,536	15,392,000	1,026,000	2,351,104
68	Mar 19, 2026 10:58	18,658	39,045,604	16,419,000	0	2,351,104
69	Mar 19, 2026 10:59	18,659	38,159,482	16,420,000	0	2,355,200
70	Mar 19, 2026 13:09	18,661	45,493,349	15,396,000	1,026,000	2,334,720
71	Mar 19, 2026 13:28	18,661	44,153,575	15,396,000	1,026,000	2,453,504
72	Mar 19, 2026 13:09	18,664	45,967,053	16,424,000	0	2,351,104
73	Mar 19, 2026 10:40	18,666	45,493,083	16,426,000	0	2,539,520
74	Mar 19, 2026 12:05	18,670	44,738,673	15,404,000	1,026,000	2,330,624
75	Mar 19, 2026 10:51	18,673	45,282,284	15,405,000	1,027,000	2,441,216
76	Mar 19, 2026 11:21	18,673	39,572,924	16,432,000	0	2,351,104
77	Mar 19, 2026 11:56	18,674	40,740,794	16,433,000	0	2,351,104
78	Mar 19, 2026 13:13	18,675	45,726,033	15,407,000	1,027,000	2,351,104
79	Mar 19, 2026 11:34	18,677	44,842,741	16,436,000	0	2,330,624
80	Mar 19, 2026 10:40	18,678	42,970,614	15,410,000	1,027,000	2,334,720
81	Mar 19, 2026 13:04	18,678	43,108,747	15,410,000	1,027,000	2,355,200
82	Mar 19, 2026 10:45	18,680	44,168,022	16,438,000	0	2,351,104
83	Mar 19, 2026 10:50	18,680	44,386,080	16,438,000	0	2,334,720
84	Mar 19, 2026 10:55	18,680	46,102,256	15,411,000	1,027,000	2,355,200
85	Mar 19, 2026 10:40	18,684	40,277,172	15,415,000	1,027,000	2,351,104
86	Mar 19, 2026 10:45	18,684	36,534,700	15,415,000	1,027,000	2,342,912
87	Mar 19, 2026 10:51	18,684	40,247,097	15,415,000	1,027,000	2,338,816
88	Mar 19, 2026 10:59	18,689	46,777,845	16,446,000	0	2,355,200
89	Mar 19, 2026 11:29	18,689	31,966,770	15,419,000	1,027,000	2,351,104
90	Mar 19, 2026 10:59	18,697	44,863,494	15,425,000	1,028,000	2,351,104
91	Mar 19, 2026 12:36	18,700	44,114,211	16,456,000	0	2,334,720
92	Mar 19, 2026 10:48	18,701	43,992,759	16,457,000	0	2,338,816
93	Mar 19, 2026 10:59	18,701	31,116,453	15,429,000	1,028,000	2,473,984
94	Mar 19, 2026 13:17	18,702	44,219,180	15,430,000	1,028,000	2,355,200
95	Mar 19, 2026 10:19	18,706	42,234,789	16,461,000	0	2,338,816
96	Mar 19, 2026 12:32	18,706	32,656,234	15,433,000	1,028,000	2,334,720
97	Mar 19, 2026 12:36	18,707	40,333,080	16,462,000	0	2,334,720
98	Mar 19, 2026 11:50	18,710	31,324,919	15,436,000	1,029,000	2,445,312
99	Mar 19, 2026 12:43	18,710	37,273,485	15,436,000	1,029,000	2,355,200
100	Mar 19, 2026 11:34	18,715	41,727,808	15,440,000	1,029,000	2,351,104
101	Mar 19, 2026 13:17	18,715	44,632,633	16,469,000	0	2,351,104
102	Mar 19, 2026 11:45	18,716	36,096,992	15,441,000	1,029,000	2,359,296
103	Mar 19, 2026 11:50	18,716	48,729,052	16,470,000	0	2,330,624
104	Mar 19, 2026 12:43	18,718	41,772,517	15,443,000	1,029,000	2,351,104
105	Mar 19, 2026 10:45	18,719	44,219,799	16,473,000	0	2,351,104
106	Mar 19, 2026 13:24	18,719	42,869,107	15,444,000	1,029,000	2,351,104
107	Mar 19, 2026 12:58	18,722	47,630,715	16,475,000	0	2,355,200
108	Mar 19, 2026 12:29	18,723	43,288,077	16,476,000	0	2,355,200
109	Mar 19, 2026 12:17	18,727	39,438,969	15,450,000	1,030,000	2,351,104
110	Mar 19, 2026 12:32	18,728	42,370,412	16,481,000	0	2,363,392
111	Mar 19, 2026 12:05	18,730	41,093,833	15,452,000	1,030,000	2,334,720
112	Mar 19, 2026 12:56	18,731	47,224,482	16,483,000	0	2,351,104
113	Mar 19, 2026 10:55	18,734	33,536,232	16,486,000	0	2,338,816
114	Mar 19, 2026 13:20	18,734	32,716,154	16,486,000	0	2,334,720
115	Mar 19, 2026 12:36	18,735	35,711,916	15,457,000	1,030,000	2,433,024
116	Mar 19, 2026 10:48	18,736	36,386,348	16,488,000	0	2,334,720
117	Mar 19, 2026 12:17	18,736	37,868,938	16,488,000	0	2,330,624
118	Mar 19, 2026 11:45	18,739	40,081,189	15,460,000	1,030,000	2,342,912
119	Mar 19, 2026 10:19	18,742	44,311,302	16,493,000	0	2,351,104
120	Mar 19, 2026 11:50	18,751	35,893,752	15,470,000	1,031,000	2,359,296
121	Mar 19, 2026 13:17	18,751	33,167,288	15,470,000	1,031,000	2,351,104
122	Mar 19, 2026 10:19	18,758	31,745,764	15,476,000	1,031,000	2,330,624
123	Mar 19, 2026 11:21	18,758	44,178,014	16,507,000	0	2,342,912
124	Mar 19, 2026 11:52	18,759	46,365,525	16,508,000	0	2,355,200
125	Mar 19, 2026 10:19	18,761	34,450,972	15,479,000	1,031,000	2,355,200
126	Mar 19, 2026 10:59	18,761	44,051,868	16,510,000	0	2,351,104
127	Mar 19, 2026 12:15	18,764	49,861,097	15,480,000	1,032,000	2,351,104
128	Mar 19, 2026 13:09	18,764	41,511,108	15,480,000	1,032,000	2,342,912
129	Mar 19, 2026 13:17	18,764	35,698,193	16,512,000	0	2,355,200
130	Mar 19, 2026 10:40	18,765	33,208,517	16,513,000	0	2,351,104
131	Mar 19, 2026 10:54	18,766	32,568,061	15,482,000	1,032,000	2,330,624
132	Mar 19, 2026 10:19	18,768	39,477,345	15,484,000	1,032,000	2,334,720
133	Mar 19, 2026 11:52	18,768	33,982,356	16,516,000	0	2,338,816
134	Mar 19, 2026 10:40	18,770	33,008,938	16,518,000	0	2,441,216
135	Mar 19, 2026 12:36	18,770	36,241,338	16,518,000	0	2,539,520
136	Mar 19, 2026 10:55	18,781	32,834,405	16,527,000	0	2,355,200
137	Mar 19, 2026 11:34	18,782	44,122,617	15,495,000	1,033,000	2,355,200
138	Mar 19, 2026 10:58	18,783	33,924,904	16,529,000	0	2,334,720
139	Mar 19, 2026 12:17	18,784	37,651,236	15,497,000	1,033,000	2,355,200
140	Mar 19, 2026 10:40	18,785	42,257,005	15,498,000	1,033,000	2,334,720
141	Mar 19, 2026 12:36	18,785	31,815,811	16,531,000	0	2,342,912
142	Mar 19, 2026 13:17	18,786	33,904,113	14,466,000	2,066,000	2,330,624
143	Mar 19, 2026 13:36	18,788	46,589,022	16,533,000	0	2,330,624
144	Mar 19, 2026 11:48	18,791	32,066,903	15,503,000	1,033,000	2,338,816
145	Mar 19, 2026 13:28	18,794	47,347,499	15,506,000	1,033,000	2,334,720
146	Mar 19, 2026 10:19	18,797	46,206,641	15,508,000	1,033,000	2,326,528
147	Mar 19, 2026 10:55	18,797	43,094,232	14,474,000	2,067,000	2,351,104
148	Mar 19, 2026 10:40	18,799	41,163,243	16,543,000	0	2,355,200
149	Mar 19, 2026 10:55	18,801	36,020,973	15,511,000	1,034,000	2,347,008
150	Mar 19, 2026 11:29	18,803	43,717,793	15,513,000	1,034,000	2,334,720
151	Mar 19, 2026 12:54	18,806	48,169,607	15,515,000	1,034,000	2,338,816
152	Mar 19, 2026 13:17	18,808	39,608,030	15,517,000	1,034,000	2,342,912
153	Mar 19, 2026 10:42	18,816	34,616,426	15,524,000	1,034,000	2,351,104
154	Mar 19, 2026 10:58	18,827	39,665,827	16,568,000	0	2,428,928
155	Mar 19, 2026 11:29	18,827	32,769,725	15,533,000	1,035,000	2,355,200
156	Mar 19, 2026 11:52	18,828	37,118,161	15,534,000	1,035,000	2,355,200
157	Mar 19, 2026 13:36	18,830	32,980,446	15,535,000	1,035,000	2,326,528
158	Mar 19, 2026 10:42	18,834	31,959,188	15,539,000	1,035,000	2,355,200
159	Mar 19, 2026 13:24	18,838	47,110,669	15,541,000	1,036,000	2,355,200
160	Mar 19, 2026 12:36	18,857	33,619,632	15,557,000	1,037,000	2,355,200
161	Mar 19, 2026 12:36	18,915	33,675,418	15,605,000	1,040,000	2,330,624
162	Mar 19, 2026 10:54	18,988	42,317,332	15,665,000	1,044,000	2,338,816

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