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 listMay 17, 2021 23:20

Yuriy Lyfenko

Score: 5,276

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 17, 2021 23:17	5,224	710,467,875	15,672,000	1,044,000	2,260,992
2	May 17, 2021 23:20	5,231	1,916,659,117	14,770,000	1,969,000	2,260,992
3	May 17, 2021 23:20	5,234	2,904,826,146	14,779,000	1,970,000	2,260,992
4	May 17, 2021 23:17	5,241	983,135,631	15,784,000	986,000	2,265,088
5	May 17, 2021 23:20	5,245	2,997,778,076	16,785,000	0	2,260,992
6	May 17, 2021 23:17	5,246	2,888,615,495	15,800,000	987,000	2,379,776
7	May 17, 2021 23:17	5,247	1,825,891,039	15,803,000	987,000	2,523,136
8	May 17, 2021 23:17	5,248	1,047,108,052	14,817,000	1,975,000	2,523,136
9	May 17, 2021 23:20	5,250	2,283,328,459	16,801,000	0	2,523,136
10	May 17, 2021 23:17	5,252	1,595,341,890	16,807,000	0	2,519,040
11	May 17, 2021 23:20	5,252	1,666,992,708	14,830,000	1,977,000	2,523,136
12	May 17, 2021 23:20	5,252	1,962,435,358	15,817,000	988,000	2,265,088
13	May 17, 2021 23:20	5,253	657,832,715	14,834,000	1,977,000	2,523,136
14	May 17, 2021 23:17	5,253	1,899,263,867	16,809,000	0	2,260,992
15	May 17, 2021 23:20	5,255	1,455,215,968	14,838,000	1,978,000	2,527,232
16	May 17, 2021 23:17	5,256	1,210,484,602	14,840,000	1,978,000	2,523,136
17	May 17, 2021 23:17	5,257	1,688,723,784	14,842,000	1,979,000	2,265,088
18	May 17, 2021 23:20	5,258	3,206,623,032	16,824,000	0	2,269,184
19	May 17, 2021 23:20	5,260	1,339,050,203	15,841,000	990,000	2,523,136
20	May 17, 2021 23:20	5,262	1,205,751,778	15,849,000	990,000	2,392,064
21	May 17, 2021 23:17	5,262	609,760,439	16,837,000	0	2,265,088
22	May 17, 2021 23:17	5,266	3,144,343,049	14,870,000	1,982,000	2,392,064
23	May 17, 2021 23:17	5,272	3,180,702,524	14,886,000	1,984,000	2,523,136
24	May 17, 2021 23:17	5,273	2,528,740,153	12,904,000	3,970,000	2,527,232
25	May 17, 2021 23:20	5,276	2,043,262,461	15,891,000	993,000	2,260,992
26	May 17, 2021 23:17	5,278	1,098,027,007	12,916,000	3,974,000	2,265,088
27	May 17, 2021 23:20	5,278	2,771,390,602	15,895,000	993,000	2,523,136
28	May 17, 2021 23:20	5,279	824,610,676	15,899,000	993,000	2,523,136
29	May 17, 2021 23:17	5,281	891,680,322	13,918,000	2,982,000	2,400,256
30	May 17, 2021 23:20	5,284	2,181,940,640	16,909,000	0	2,260,992
31	May 17, 2021 23:17	5,285	3,245,772,229	14,922,000	1,989,000	2,265,088
32	May 17, 2021 23:20	5,287	1,335,460,560	15,924,000	995,000	2,519,040
33	May 17, 2021 23:20	5,291	1,260,541,552	16,931,000	0	2,523,136
34	May 17, 2021 23:17	5,291	1,899,641,176	14,939,000	1,991,000	2,523,136
35	May 17, 2021 23:17	5,293	1,039,482,478	14,946,000	1,992,000	2,265,088
36	May 17, 2021 23:20	5,298	2,103,493,158	16,954,000	0	2,265,088
37	May 17, 2021 23:20	5,421	2,507,999,024	17,345,957	0	2,281,472
38	May 17, 2021 23:20	5,430	3,485,365,912	17,374,743	0	2,289,664
39	May 17, 2021 23:17	5,442	1,025,955,385	17,413,526	0	2,289,664
40	May 17, 2021 23:20	5,443	919,652,683	17,418,376	0	2,281,472
41	May 17, 2021 23:17	5,444	3,140,045,525	17,422,207	0	2,285,568
42	May 17, 2021 23:17	5,449	1,699,642,758	17,437,233	0	2,281,472
43	May 17, 2021 23:20	5,449	3,237,719,665	17,436,541	0	2,289,664
44	May 17, 2021 23:17	5,455	1,759,792,692	17,455,007	0	2,273,280
45	May 17, 2021 23:20	5,460	1,228,618,197	17,470,788	0	2,277,376
46	May 17, 2021 23:17	5,464	3,007,863,264	17,485,904	0	2,277,376
47	May 17, 2021 23:20	5,470	1,490,303,937	17,503,399	0	2,285,568
48	May 17, 2021 23:17	5,482	876,336,212	17,542,444	0	2,281,472

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