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.

Back to listJul 21, 2024 05:45

Myles

Score: 5,274

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 21, 2024 19:53	5,221	42,725,071	15,662,000	1,044,000	2,400,256
2	Jul 21, 2024 18:41	5,222	46,240,810	15,665,000	1,044,000	2,281,472
3	Jul 21, 2024 05:45	5,224	41,871,362	15,673,000	1,044,000	2,281,472
4	Jul 21, 2024 19:33	5,225	40,655,390	16,719,000	0	2,408,448
5	Jul 21, 2024 18:41	5,228	33,602,617	15,686,000	1,045,000	2,281,472
6	Jul 21, 2024 19:33	5,234	37,973,612	15,704,000	1,046,000	2,396,160
7	Jul 21, 2024 19:53	5,264	42,351,323	14,863,000	1,981,000	2,392,064
8	Jul 21, 2024 05:45	5,266	34,332,215	15,861,000	991,000	2,404,352
9	Jul 21, 2024 19:33	5,269	44,375,456	14,879,000	1,983,000	2,400,256
10	Jul 21, 2024 19:33	5,269	43,450,699	15,870,000	991,000	2,392,064
11	Jul 21, 2024 19:33	5,269	41,816,826	15,871,000	991,000	2,281,472
12	Jul 21, 2024 19:53	5,269	41,075,747	14,879,000	1,983,000	2,523,136
13	Jul 21, 2024 19:53	5,269	34,218,893	15,871,000	991,000	2,281,472
14	Jul 21, 2024 05:45	5,269	37,790,696	15,869,000	991,000	2,281,472
15	Jul 21, 2024 19:53	5,270	42,296,750	14,880,000	1,984,000	2,396,160
16	Jul 21, 2024 19:33	5,272	37,222,265	16,871,000	0	2,281,472
17	Jul 21, 2024 19:53	5,272	44,784,521	14,887,000	1,984,000	2,281,472
18	Jul 21, 2024 19:53	5,272	41,706,926	16,871,000	0	2,408,448
19	Jul 21, 2024 18:41	5,272	34,708,935	15,879,000	992,000	2,281,472
20	Jul 21, 2024 19:33	5,273	37,020,165	15,881,000	992,000	2,281,472
21	Jul 21, 2024 19:33	5,273	42,668,254	15,882,000	992,000	2,404,352
22	Jul 21, 2024 19:53	5,273	45,506,624	15,881,000	992,000	2,281,472
23	Jul 21, 2024 18:41	5,273	36,085,133	15,881,000	992,000	2,281,472
24	Jul 21, 2024 18:41	5,273	34,900,987	14,890,000	1,985,000	2,281,472
25	Jul 21, 2024 18:41	5,274	37,066,058	15,886,000	992,000	2,281,472
26	Jul 21, 2024 19:33	5,275	36,506,003	14,894,000	1,985,000	2,281,472
27	Jul 21, 2024 05:45	5,276	45,586,647	14,897,000	1,986,000	2,400,256
28	Jul 21, 2024 19:53	5,277	44,359,356	14,901,000	1,986,000	2,404,352
29	Jul 21, 2024 18:41	5,277	42,096,015	14,899,000	1,986,000	2,281,472
30	Jul 21, 2024 05:45	5,277	33,911,860	16,886,000	0	2,281,472
31	Jul 21, 2024 18:41	5,278	41,423,147	14,902,000	1,986,000	2,404,352
32	Jul 21, 2024 05:45	5,278	48,007,813	14,902,000	1,986,000	2,400,256
33	Jul 21, 2024 18:41	5,281	43,583,018	14,911,000	1,988,000	2,510,848
34	Jul 21, 2024 05:45	5,281	42,410,155	15,905,000	994,000	2,404,352
35	Jul 21, 2024 05:45	5,284	43,413,521	14,921,000	1,989,000	2,387,968
36	Jul 21, 2024 05:45	5,286	41,977,618	14,926,000	1,990,000	2,506,752
37	Jul 21, 2024 18:41	5,475	66,943,162	17,520,159	0	2,289,664
38	Jul 21, 2024 19:33	5,476	85,639,491	17,524,488	0	2,289,664
39	Jul 21, 2024 19:33	5,476	81,714,967	17,523,027	0	2,174,976
40	Jul 21, 2024 19:53	5,478	90,492,372	17,528,043	0	2,301,952
41	Jul 21, 2024 18:41	5,478	92,748,355	17,528,664	0	2,174,976
42	Jul 21, 2024 05:45	5,478	87,535,091	17,529,127	0	2,297,856
43	Jul 21, 2024 19:53	5,479	83,556,117	17,534,371	0	2,174,976
44	Jul 21, 2024 05:45	5,483	117,057,358	17,545,038	0	2,289,664
45	Jul 21, 2024 18:41	5,489	69,829,420	17,565,195	0	2,252,800
46	Jul 21, 2024 19:53	5,492	105,944,692	17,575,695	0	2,301,952
47	Jul 21, 2024 19:33	5,497	68,359,547	17,591,350	0	2,289,664
48	Jul 21, 2024 05:45	5,524	100,054,377	17,677,802	0	2,297,856

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