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 16, 2021 18:23

Yuriy Lyfenko

Score: 5,639

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 16, 2021 18:22	5,390	1,474,435,584	15,333,000	1,916,000	2,260,992
2	May 16, 2021 18:22	5,391	1,302,789,183	14,376,000	2,875,000	2,379,776
3	May 16, 2021 18:22	5,403	4,824,987,010	17,290,000	0	2,523,136
4	May 16, 2021 18:22	5,405	2,183,525,773	16,336,000	960,000	2,523,136
5	May 16, 2021 18:22	5,408	417,696,382	16,287,000	1,017,000	2,523,136
6	May 16, 2021 18:22	5,413	3,079,336,117	16,302,000	1,018,000	2,260,992
7	May 16, 2021 18:22	5,413	4,809,783,468	15,398,000	1,924,000	2,523,136
8	May 16, 2021 18:23	5,418	4,953,362,876	14,447,000	2,889,000	2,523,136
9	May 16, 2021 18:23	5,418	3,976,974,661	14,447,000	2,889,000	2,523,136
10	May 16, 2021 18:23	5,419	3,303,432,185	16,379,000	963,000	2,265,088
11	May 16, 2021 18:23	5,420	3,289,981,077	14,453,000	2,890,000	2,265,088
12	May 16, 2021 18:23	5,420	1,056,784,662	17,345,000	0	2,523,136
13	May 16, 2021 18:22	5,420	3,069,178,473	17,344,000	0	2,265,088
14	May 16, 2021 18:23	5,433	4,192,489,490	13,522,000	3,863,000	2,260,992
15	May 16, 2021 18:22	5,434	1,825,217,843	15,457,000	1,932,000	2,523,136
16	May 16, 2021 18:22	5,434	461,746,915	14,492,000	2,898,000	2,400,256
17	May 16, 2021 18:22	5,437	708,808,128	16,432,000	966,000	2,523,136
18	May 16, 2021 18:22	5,438	1,495,146,231	16,434,000	966,000	2,527,232
19	May 16, 2021 18:22	5,438	3,374,945,195	17,401,000	0	2,519,040
20	May 16, 2021 18:22	5,440	2,504,445,030	16,442,000	967,000	2,265,088
21	May 16, 2021 18:22	5,442	2,134,636,563	16,391,000	1,024,000	2,523,136
22	May 16, 2021 18:23	5,443	978,345,663	17,416,000	0	2,387,968
23	May 16, 2021 18:23	5,446	3,398,905,003	16,402,000	1,025,000	2,519,040
24	May 16, 2021 18:22	5,452	2,183,713,437	15,508,000	1,938,000	2,265,088
25	May 16, 2021 18:22	5,453	1,110,573,484	16,480,000	969,000	2,379,776
26	May 16, 2021 18:23	5,456	3,005,067,355	15,519,000	1,939,000	2,523,136
27	May 16, 2021 18:22	5,457	3,186,876,579	15,523,000	1,940,000	2,260,992
28	May 16, 2021 18:22	5,617	1,596,395,127	17,975,236	0	2,281,472
29	May 16, 2021 18:23	5,626	1,366,650,593	18,004,108	0	2,281,472
30	May 16, 2021 18:23	5,628	1,662,165,628	17,009,000	1,000,000	2,265,088
31	May 16, 2021 18:23	5,628	4,124,359,772	18,008,772	0	2,277,376
32	May 16, 2021 18:23	5,631	3,910,604,417	17,018,000	1,001,000	2,523,136
33	May 16, 2021 18:22	5,631	2,618,448,567	18,018,236	0	2,281,472
34	May 16, 2021 18:22	5,632	3,162,306,305	18,022,043	0	2,277,376
35	May 16, 2021 18:23	5,632	2,797,625,578	17,020,000	1,001,000	2,523,136
36	May 16, 2021 18:22	5,636	2,043,070,216	18,035,231	0	2,281,472
37	May 16, 2021 18:23	5,639	3,548,207,023	18,044,000	0	2,523,136
38	May 16, 2021 18:23	5,641	4,814,967,957	18,050,000	0	2,523,136
39	May 16, 2021 18:23	5,641	3,459,291,176	18,052,000	0	2,260,992
40	May 16, 2021 18:23	5,642	387,815,701	17,052,000	1,003,000	2,506,752
41	May 16, 2021 18:23	5,644	4,747,391,542	17,059,000	1,003,000	2,523,136
42	May 16, 2021 18:23	5,648	511,693,415	17,068,000	1,004,000	2,260,992
43	May 16, 2021 18:22	5,649	3,923,600,759	18,075,993	0	2,281,472
44	May 16, 2021 18:23	5,650	929,895,853	15,226,000	2,854,000	2,523,136
45	May 16, 2021 18:22	5,653	2,656,719,387	18,090,398	0	2,281,472
46	May 16, 2021 18:23	5,658	3,314,089,508	17,099,000	1,005,000	2,527,232
47	May 16, 2021 18:23	5,659	3,697,143,602	17,102,000	1,006,000	2,523,136
48	May 16, 2021 18:23	5,659	3,561,349,763	16,097,000	2,012,000	2,523,136
49	May 16, 2021 18:23	5,661	4,283,256,394	16,209,000	1,907,000	2,260,992
50	May 16, 2021 18:23	5,661	162,106,728	17,109,000	1,006,000	2,383,872
51	May 16, 2021 18:23	5,664	1,407,831,873	18,124,571	0	2,281,472
52	May 16, 2021 18:23	5,665	77,212,753	17,122,000	1,007,000	2,265,088
53	May 16, 2021 18:23	5,671	342,252,752	16,236,000	1,910,000	2,527,232
54	May 16, 2021 18:23	5,675	2,533,451,154	16,250,000	1,911,000	2,519,040
55	May 16, 2021 18:23	5,676	3,650,397,764	16,146,000	2,018,000	2,265,088
56	May 16, 2021 18:23	5,677	2,419,861,394	16,147,000	2,018,000	2,519,040
57	May 16, 2021 18:23	5,687	90,578,720	16,284,000	1,915,000	2,265,088
58	May 16, 2021 18:23	5,688	3,553,562,759	17,191,000	1,011,000	2,523,136
59	May 16, 2021 18:23	5,690	3,147,167,012	17,251,000	958,000	2,265,088
60	May 16, 2021 18:23	5,692	3,960,531,373	18,215,000	0	2,519,040
61	May 16, 2021 18:23	5,693	98,656,466	17,206,000	1,012,000	2,383,872
62	May 16, 2021 18:23	5,698	986,920,326	17,221,000	1,013,000	2,523,136
63	May 16, 2021 18:23	5,718	3,423,730,133	16,372,000	1,926,000	2,392,064
64	May 16, 2021 18:23	6,097	861,480,439	19,509,016	0	2,285,568
65	May 16, 2021 18:23	6,105	2,112,554,534	19,536,166	0	2,281,472
66	May 16, 2021 18:23	6,119	4,323,239,606	19,579,780	0	2,281,472
67	May 16, 2021 18:23	6,126	2,365,078,029	19,604,147	0	2,281,472
68	May 16, 2021 18:23	6,132	5,035,616,458	19,622,231	0	2,285,568
69	May 16, 2021 18:23	6,134	4,193,396,542	19,627,417	0	2,285,568
70	May 16, 2021 18:23	6,161	676,217,824	19,714,578	0	2,281,472
71	May 16, 2021 18:23	6,173	3,867,357,787	19,752,283	0	2,277,376
72	May 16, 2021 18:23	6,194	3,228,072,914	19,820,897	0	2,277,376

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