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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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory	Error
1	Aug 7, 2024 01:26	0	0	0	0	0	Error: expected "976188 ", got "487204 "
2	Aug 7, 2024 01:29	4,604	36,309,545	13,680,000	1,052,000	2,289,664
3	Aug 7, 2024 01:28	4,605	37,991,179	13,685,000	1,052,000	2,273,280
4	Aug 7, 2024 01:28	4,608	37,977,922	13,691,000	1,053,000	2,289,664
5	Aug 7, 2024 01:28	4,635	32,798,297	13,773,000	1,059,000	2,289,664
6	Aug 7, 2024 01:27	4,638	29,586,823	13,853,000	989,000	2,273,280
7	Aug 7, 2024 01:28	4,640	32,715,450	12,868,000	1,979,000	2,273,280
8	Aug 7, 2024 01:29	4,640	31,875,208	12,869,000	1,979,000	2,277,376
9	Aug 7, 2024 01:28	4,643	31,721,559	14,859,000	0	2,265,088
10	Aug 7, 2024 01:23	4,643	32,292,250	13,868,000	990,000	2,289,664
11	Aug 7, 2024 01:23	4,643	41,485,811	13,867,000	990,000	2,289,664
12	Aug 7, 2024 01:23	4,643	32,567,595	13,867,000	990,000	2,289,664
13	Aug 7, 2024 01:27	4,644	41,042,120	13,872,000	990,000	2,289,664
14	Aug 7, 2024 01:27	4,645	32,024,480	12,883,000	1,982,000	2,269,184
15	Aug 7, 2024 01:28	4,645	36,540,484	12,883,000	1,982,000	2,289,664
16	Aug 7, 2024 01:23	4,645	32,750,372	14,864,000	0	2,285,568
17	Aug 7, 2024 01:28	4,645	45,957,598	14,863,000	0	2,289,664
18	Aug 7, 2024 01:28	4,646	36,353,676	12,886,000	1,982,000	2,289,664
19	Aug 7, 2024 01:28	4,646	33,021,404	12,885,000	1,982,000	2,289,664
20	Aug 7, 2024 01:28	4,647	29,805,569	12,887,000	1,982,000	2,273,280
21	Aug 7, 2024 01:27	4,647	41,436,735	12,887,000	1,982,000	2,273,280
22	Aug 7, 2024 01:23	4,648	44,355,397	13,881,000	991,000	2,277,376
23	Aug 7, 2024 01:28	4,648	35,562,022	13,884,000	991,000	2,289,664
24	Aug 7, 2024 01:28	4,648	42,622,733	13,882,000	991,000	2,289,664
25	Aug 7, 2024 01:29	4,648	46,138,530	12,890,000	1,983,000	2,277,376
26	Aug 7, 2024 01:23	4,648	35,946,510	13,883,000	991,000	2,265,088
27	Aug 7, 2024 01:27	4,648	41,861,211	12,890,000	1,983,000	2,277,376
28	Aug 7, 2024 01:23	4,648	34,132,417	13,882,000	991,000	2,269,184
29	Aug 7, 2024 01:23	4,649	31,988,329	13,887,000	991,000	2,269,184
30	Aug 7, 2024 01:23	4,649	46,881,055	12,895,000	1,983,000	2,289,664
31	Aug 7, 2024 01:28	4,649	43,865,152	12,893,000	1,983,000	2,289,664
32	Aug 7, 2024 01:28	4,649	33,808,095	14,877,000	0	2,527,232
33	Aug 7, 2024 01:28	4,650	30,502,363	12,897,000	1,984,000	2,277,376
34	Aug 7, 2024 01:29	4,650	34,667,215	12,896,000	1,984,000	2,289,664
35	Aug 7, 2024 01:28	4,650	42,822,113	12,896,000	1,984,000	2,289,664
36	Aug 7, 2024 01:29	4,650	31,872,880	13,888,000	992,000	2,289,664
37	Aug 7, 2024 01:27	4,650	34,231,937	13,888,000	992,000	2,273,280
38	Aug 7, 2024 01:28	4,652	43,742,585	13,893,000	992,000	2,281,472
39	Aug 7, 2024 01:29	4,653	32,298,323	13,898,000	992,000	2,285,568
40	Aug 7, 2024 01:27	4,653	32,016,471	12,904,000	1,985,000	2,273,280
41	Aug 7, 2024 01:29	4,655	32,641,304	13,903,000	993,000	2,273,280
42	Aug 7, 2024 01:29	4,656	40,740,961	12,913,000	1,986,000	2,289,664
43	Aug 7, 2024 01:27	4,657	30,350,402	13,909,000	993,000	2,269,184
44	Aug 7, 2024 01:28	4,660	30,347,140	13,917,000	994,000	2,285,568
45	Aug 7, 2024 01:29	4,661	36,893,235	12,928,000	1,988,000	2,289,664
46	Aug 7, 2024 01:27	4,665	38,257,100	13,863,000	1,066,000	2,273,280
47	Aug 7, 2024 01:28	4,825	95,890,540	15,439,626	0	2,306,048
48	Aug 7, 2024 01:29	4,829	87,065,656	15,452,505	0	2,306,048
49	Aug 7, 2024 01:28	4,842	87,410,805	15,494,712	0	2,310,144
50	Aug 7, 2024 01:29	4,843	86,434,990	15,497,510	0	2,297,856
51	Aug 7, 2024 01:27	4,852	77,132,256	15,526,087	0	2,310,144
52	Aug 7, 2024 01:23	4,853	78,799,793	15,528,501	0	2,301,952
53	Aug 7, 2024 01:28	4,856	63,167,241	15,537,755	0	2,306,048
54	Aug 7, 2024 01:28	4,860	85,764,783	15,551,497	0	2,183,168
55	Aug 7, 2024 01:28	4,861	90,011,391	15,555,725	0	2,174,976
56	Aug 7, 2024 01:27	4,861	106,342,960	15,556,243	0	2,260,992
57	Aug 7, 2024 01:27	4,863	78,616,276	15,562,201	0	2,310,144
58	Aug 7, 2024 01:23	4,872	81,580,773	15,589,671	0	2,301,952
59	Aug 7, 2024 01:28	4,878	62,182,260	15,608,633	0	2,174,976
60	Aug 7, 2024 01:29	4,878	79,174,835	15,609,791	0	2,297,856
61	Aug 7, 2024 01:23	4,884	97,927,934	15,629,350	0	2,289,664

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