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 listAug 3, 2024 04:53

jeffplaisance

Score: 4,518

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Aug 3, 2024 04:53	4,453	35,441,122	12,213,000	2,035,000	2,281,472
2	Aug 3, 2024 04:51	4,454	33,761,798	12,217,000	2,036,000	2,281,472
3	Aug 3, 2024 04:53	4,463	36,128,656	12,241,000	2,040,000	2,387,968
4	Aug 3, 2024 04:53	4,466	31,529,170	13,271,000	1,020,000	2,281,472
5	Aug 3, 2024 04:51	4,470	31,551,819	12,262,000	2,043,000	2,392,064
6	Aug 3, 2024 04:51	4,470	40,068,510	12,261,000	2,043,000	2,281,472
7	Aug 3, 2024 04:51	4,472	38,184,348	13,288,000	1,022,000	2,281,472
8	Aug 3, 2024 04:51	4,474	31,950,617	14,316,000	0	2,281,472
9	Aug 3, 2024 04:51	4,479	31,849,050	13,310,000	1,023,000	2,281,472
10	Aug 3, 2024 04:51	4,479	35,637,536	13,310,000	1,023,000	2,281,472
11	Aug 3, 2024 04:53	4,479	33,776,768	14,333,000	0	2,281,472
12	Aug 3, 2024 04:52	4,487	37,875,095	13,334,000	1,025,000	2,400,256
13	Aug 3, 2024 04:52	4,487	29,213,199	14,359,000	0	2,396,160
14	Aug 3, 2024 04:53	4,487	39,457,470	14,359,000	0	2,281,472
15	Aug 3, 2024 04:53	4,487	34,031,197	13,333,000	1,025,000	2,281,472
16	Aug 3, 2024 04:53	4,489	35,513,961	14,364,000	0	2,281,472
17	Aug 3, 2024 04:52	4,489	32,325,196	13,340,000	1,026,000	2,281,472
18	Aug 3, 2024 04:52	4,489	35,159,904	13,338,000	1,026,000	2,400,256
19	Aug 3, 2024 04:51	4,490	40,595,274	14,368,000	0	2,281,472
20	Aug 3, 2024 04:51	4,490	36,250,120	13,343,000	1,026,000	2,281,472
21	Aug 3, 2024 04:52	4,502	36,323,724	14,405,000	0	2,281,472
22	Aug 3, 2024 04:53	4,504	41,265,344	13,383,000	1,029,000	2,408,448
23	Aug 3, 2024 04:52	4,513	42,521,265	13,409,000	1,031,000	2,281,472
24	Aug 3, 2024 04:52	4,516	31,474,560	14,452,000	0	2,404,352
25	Aug 3, 2024 04:53	4,518	36,435,772	13,424,000	1,032,000	2,281,472
26	Aug 3, 2024 04:52	4,519	31,967,259	14,462,000	0	2,404,352
27	Aug 3, 2024 04:53	4,521	34,733,710	13,434,000	1,033,000	2,281,472
28	Aug 3, 2024 04:53	4,533	30,477,211	13,470,000	1,036,000	2,404,352
29	Aug 3, 2024 04:53	4,534	30,776,581	13,474,000	1,036,000	2,400,256
30	Aug 3, 2024 04:53	4,535	30,057,138	14,512,000	0	2,281,472
31	Aug 3, 2024 04:52	4,537	30,273,190	13,481,000	1,037,000	2,281,472
32	Aug 3, 2024 04:53	4,539	38,431,765	13,488,000	1,037,000	2,396,160
33	Aug 3, 2024 04:53	4,539	35,148,387	13,487,000	1,037,000	2,281,472
34	Aug 3, 2024 04:53	4,560	32,410,079	14,593,000	0	2,400,256
35	Aug 3, 2024 04:53	4,563	37,149,021	14,603,000	0	2,281,472
36	Aug 3, 2024 04:53	4,566	32,598,211	14,612,000	0	2,400,256
37	Aug 3, 2024 04:53	4,714	70,163,974	15,085,513	0	2,297,856
38	Aug 3, 2024 04:51	4,727	90,729,904	15,127,762	0	2,297,856
39	Aug 3, 2024 04:51	4,742	62,426,565	15,173,954	0	2,306,048
40	Aug 3, 2024 04:52	4,747	85,998,794	15,191,532	0	2,301,952
41	Aug 3, 2024 04:53	4,748	88,272,534	15,193,333	0	2,289,664
42	Aug 3, 2024 04:53	4,752	97,844,482	15,207,365	0	2,293,760
43	Aug 3, 2024 04:51	4,753	69,411,571	15,210,201	0	2,297,856
44	Aug 3, 2024 04:52	4,766	88,179,688	15,249,954	0	2,293,760
45	Aug 3, 2024 04:53	4,777	92,553,518	15,287,078	0	2,301,952
46	Aug 3, 2024 04:52	4,784	108,950,384	15,309,764	0	2,174,976
47	Aug 3, 2024 04:53	4,791	82,516,246	15,332,301	0	2,285,568
48	Aug 3, 2024 04:53	4,805	88,886,291	15,375,889	0	2,293,760

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