Count uint8

Count the number of bytes equal to 127 in a binary stream as fast as possible.

Input: 250 000 000 uint8 values in binary on STDIN.

Output: The count of elements equal to 127, printed as a decimal string.

Restrictions:30s512Mb 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.

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Score: 5,208

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jan 23, 2024 19:07	5,149	37,015,314	15,447,000	1,029,000	2,392,064
2	Jan 23, 2024 19:07	5,154	30,976,790	15,462,000	1,030,000	2,281,472
3	Jan 23, 2024 19:17	5,162	40,946,169	16,517,000	0	2,281,472
4	Jan 23, 2024 19:04	5,164	39,319,673	15,492,000	1,032,000	2,387,968
5	Jan 23, 2024 19:20	5,167	33,735,867	15,502,000	1,033,000	2,277,376
6	Jan 23, 2024 19:17	5,168	38,708,795	16,538,000	0	2,281,472
7	Jan 23, 2024 19:20	5,168	28,709,007	16,539,000	0	2,281,472
8	Jan 23, 2024 19:07	5,168	30,267,887	15,506,000	1,033,000	2,281,472
9	Jan 23, 2024 19:07	5,168	40,068,752	15,505,000	1,033,000	2,392,064
10	Jan 23, 2024 19:04	5,169	45,295,190	16,541,000	0	2,281,472
11	Jan 23, 2024 19:07	5,170	32,371,151	16,545,000	0	2,396,160
12	Jan 23, 2024 19:07	5,178	39,897,258	15,535,000	1,035,000	2,387,968
13	Jan 23, 2024 19:07	5,179	35,609,946	15,538,000	1,035,000	2,281,472
14	Jan 23, 2024 19:07	5,180	42,411,991	16,575,000	0	2,281,472
15	Jan 23, 2024 19:07	5,183	34,586,345	16,585,000	0	2,281,472
16	Jan 23, 2024 19:04	5,185	37,623,954	15,555,000	1,037,000	2,281,472
17	Jan 23, 2024 19:17	5,185	39,647,185	15,555,000	1,037,000	2,281,472
18	Jan 23, 2024 19:20	5,187	41,192,401	16,598,000	0	2,281,472
19	Jan 23, 2024 19:17	5,187	44,669,946	16,598,000	0	2,392,064
20	Jan 23, 2024 19:20	5,188	43,527,309	16,603,000	0	2,281,472
21	Jan 23, 2024 19:17	5,189	38,500,696	15,567,000	1,037,000	2,281,472
22	Jan 23, 2024 19:20	5,191	34,468,060	16,610,000	0	2,383,872
23	Jan 23, 2024 19:07	5,191	42,747,578	15,572,000	1,038,000	2,396,160
24	Jan 23, 2024 19:07	5,194	41,115,790	16,622,000	0	2,392,064
25	Jan 23, 2024 19:04	5,195	43,342,820	16,625,000	0	2,392,064
26	Jan 23, 2024 19:07	5,196	38,071,312	16,627,000	0	2,277,376
27	Jan 23, 2024 19:17	5,197	40,212,712	16,629,000	0	2,281,472
28	Jan 23, 2024 19:20	5,197	43,136,609	16,630,000	0	2,396,160
29	Jan 23, 2024 19:04	5,197	43,952,320	16,629,000	0	2,281,472
30	Jan 23, 2024 19:04	5,197	42,319,391	16,631,000	0	2,281,472
31	Jan 23, 2024 19:07	5,199	45,033,845	16,637,000	0	2,396,160
32	Jan 23, 2024 19:04	5,199	43,361,223	15,597,000	1,039,000	2,478,080
33	Jan 23, 2024 19:17	5,201	33,249,034	15,602,000	1,040,000	2,400,256
34	Jan 23, 2024 19:07	5,204	41,791,974	16,654,000	0	2,281,472
35	Jan 23, 2024 19:20	5,207	43,674,896	16,663,000	0	2,281,472
36	Jan 23, 2024 19:17	5,207	41,346,025	15,622,000	1,041,000	2,281,472
37	Jan 23, 2024 19:17	5,208	43,430,215	16,666,000	0	2,392,064
38	Jan 23, 2024 19:07	5,209	51,074,524	15,629,000	1,041,000	2,281,472
39	Jan 23, 2024 19:07	5,210	41,123,439	16,671,000	0	2,281,472
40	Jan 23, 2024 19:20	5,212	32,356,526	16,679,000	0	2,281,472
41	Jan 23, 2024 19:04	5,212	34,524,606	15,636,000	1,042,000	2,392,064
42	Jan 23, 2024 19:20	5,213	45,168,412	15,638,000	1,042,000	2,396,160
43	Jan 23, 2024 19:06	5,214	33,870,435	15,643,000	1,042,000	2,281,472
44	Jan 23, 2024 19:07	5,215	33,687,876	16,689,000	0	2,281,472
45	Jan 23, 2024 19:07	5,215	48,027,071	16,689,000	0	2,281,472
46	Jan 23, 2024 19:04	5,219	42,785,505	15,657,000	1,043,000	2,281,472
47	Jan 23, 2024 19:06	5,220	46,107,686	15,660,000	1,044,000	2,281,472
48	Jan 23, 2024 19:06	5,221	35,049,548	16,706,000	0	2,281,472
49	Jan 23, 2024 19:06	5,225	44,317,777	15,675,000	1,045,000	2,506,752
50	Jan 23, 2024 19:06	5,263	45,410,747	14,862,000	1,981,000	2,392,064
51	Jan 23, 2024 19:06	5,266	42,494,853	14,869,000	1,982,000	2,281,472
52	Jan 23, 2024 19:06	5,271	46,376,199	15,875,000	992,000	2,281,472
53	Jan 23, 2024 19:06	5,271	39,786,980	16,866,000	0	2,281,472
54	Jan 23, 2024 19:06	5,273	42,852,648	16,874,000	0	2,383,872
55	Jan 23, 2024 19:17	5,372	72,539,713	17,191,699	0	2,289,664
56	Jan 23, 2024 19:07	5,372	79,153,116	17,190,469	0	2,285,568
57	Jan 23, 2024 19:07	5,374	62,990,015	17,197,707	0	2,256,896
58	Jan 23, 2024 19:07	5,386	65,009,699	17,234,441	0	2,285,568
59	Jan 23, 2024 19:04	5,389	65,758,437	17,244,449	0	2,281,472
60	Jan 23, 2024 19:07	5,400	84,853,121	17,281,547	0	2,281,472
61	Jan 23, 2024 19:17	5,405	79,821,244	17,295,891	0	2,281,472
62	Jan 23, 2024 19:17	5,405	78,462,673	17,297,293	0	2,285,568
63	Jan 23, 2024 19:20	5,407	82,735,800	17,302,157	0	2,281,472
64	Jan 23, 2024 19:07	5,413	71,629,037	17,323,091	0	2,289,664
65	Jan 23, 2024 19:20	5,415	82,716,287	17,326,970	0	2,297,856
66	Jan 23, 2024 19:04	5,418	80,362,398	17,337,366	0	2,289,664
67	Jan 23, 2024 19:07	5,421	81,969,516	17,348,158	0	2,285,568
68	Jan 23, 2024 19:04	5,424	64,184,283	17,357,654	0	2,285,568
69	Jan 23, 2024 19:06	5,432	54,478,960	17,381,150	0	2,289,664
70	Jan 23, 2024 19:20	5,434	82,625,061	17,388,935	0	2,285,568
71	Jan 23, 2024 19:06	5,441	78,786,795	17,412,643	0	2,289,664
72	Jan 23, 2024 19:06	5,455	85,290,864	17,455,551	0	2,289,664

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