[GUEST ACCESS MODE: Data is scrambled or limited to provide examples. Make requests using your API key to unlock full data. Check https://lunarcrush.ai/auth for authentication information.] #  @_Felipe Felipe O. Carvalho Felipe O. Carvalho posts on X about rocksdb, zig, productivity, gpu the most. They currently have XXXXX followers and XX posts still getting attention that total XXX engagements in the last XX hours. ### Engagements: XXX [#](/creator/twitter::15040668/interactions)  - X Week XXXXX +878% - X Month XXXXXX +3,152% - X Months XXXXXX -XX% - X Year XXXXXXX -XX% ### Mentions: X [#](/creator/twitter::15040668/posts_active)  - X Week XX +86% - X Month XX +240% - X Months XX +96% - X Year XX -XX% ### Followers: XXXXX [#](/creator/twitter::15040668/followers)  - X Week XXXXX +0.36% - X Month XXXXX +0.58% - X Months XXXXX +0.26% - X Year XXXXX +4.60% ### CreatorRank: XXXXXXXXX [#](/creator/twitter::15040668/influencer_rank)  ### Social Influence [#](/creator/twitter::15040668/influence) --- **Social category influence** [stocks](/list/stocks) XXXX% [technology brands](/list/technology-brands) XXXX% **Social topic influence** [rocksdb](/topic/rocksdb) #1, [zig](/topic/zig) 6.67%, [productivity](/topic/productivity) 6.67%, [gpu](/topic/gpu) 6.67%, [virtual](/topic/virtual) XXXX% **Top accounts mentioned or mentioned by** [@arundsharma](/creator/undefined) [@lewisctech](/creator/undefined) [@rocksdb](/creator/undefined) [@ovaistariq](/creator/undefined) [@akrylysov](/creator/undefined) [@iavins](/creator/undefined) [@midwesthedgie](/creator/undefined) [@adamrackis](/creator/undefined) [@eigenform](/creator/undefined) [@scmeerkat](/creator/undefined) [@muratdemirbas](/creator/undefined) [@felixclc](/creator/undefined) [@aramh](/creator/undefined) [@statisticsftw](/creator/undefined) [@nicbarkeragain](/creator/undefined) [@klinovp](/creator/undefined) [@sc_meerkat](/creator/undefined) ### Top Social Posts [#](/creator/twitter::15040668/posts) --- Top posts by engagements in the last XX hours "@LewisCTech @iavins @RocksDB libc will give you all the posix syscalls. windows-sys gives you CreateFileMapping() and VirtualAlloc(). The crates you are talking about are layers on top of these OS functions. Wrap the unsafe code at your application code"  [@_Felipe](/creator/x/_Felipe) on [X](/post/tweet/1946891431575986304) 2025-07-20 11:14:23 UTC 4181 followers, XXX engagements "With well encapsulated unsafe code we should port LevelDB to Rust * to show how it can be done without any loss of performance. C++ can get you started quickly but long-term productivity is unlocked by using low-level Rust. * then @RocksDB"  [@_Felipe](/creator/x/_Felipe) on [X](/post/tweet/1946736648277926346) 2025-07-20 00:59:20 UTC 4183 followers, 4827 engagements "@LewisCTech It's context-dependent and granularity-dependent. A program can be deterministic even if parts of it are non-deterministic"  [@_Felipe](/creator/x/_Felipe) on [X](/post/tweet/1947089482290766010) 2025-07-21 00:21:22 UTC 4183 followers, XXX engagements "@eigenform @FelixCLC_ Thats why NVIDIA is really the CUDA compiler company not the GPU company 😀"  [@_Felipe](/creator/x/_Felipe) on [X](/post/tweet/1947081681623449747) 2025-07-20 23:50:22 UTC 4183 followers, XXX engagements "@aramh I agree C++ and Rust code that uses too many lambda expressions and/or boxed functions Boxdyn Fn or std::function is always awkward. Better to rely on class-based virtual dispatching"  [@_Felipe](/creator/x/_Felipe) on [X](/post/tweet/1947052196345885073) 2025-07-20 21:53:12 UTC 4182 followers, XXX engagements "Lifetime annotations so you never misuse a leveldb::Slice ever again"  [@_Felipe](/creator/x/_Felipe) on [X](/post/tweet/1946736650026959075) 2025-07-20 00:59:20 UTC 4181 followers, XXX engagements "@ovaistariq @RocksDB Gains wont offset the cost (its a big project) but the C++ APIs as they are require a lot of care to be used correctly. I say this as user and reviewer of other peoples code using these APIs. Rusts borrow checker gives safe guards that would allow more people to succeed"  [@_Felipe](/creator/x/_Felipe) on [X](/post/tweet/1946762578669048069) 2025-07-20 02:42:22 UTC 4180 followers, XXX engagements "@LewisCTech @RocksDB It's one crate per OS. It's easier to use the crate than to write your own bindings to libc win32 etc"  [@_Felipe](/creator/x/_Felipe) on [X](/post/tweet/1946744531199656024) 2025-07-20 01:30:39 UTC 4180 followers, XXX engagements "@StatisticsFTW @nicbarkeragain They do But note that this optimization exploits UB so its not so aggressively exploited. If you have any byte thats considered true but is not X you will get the wrong product out of the multiplication"  [@_Felipe](/creator/x/_Felipe) on [X](/post/tweet/1947692315536986449) 2025-07-22 16:16:49 UTC 4183 followers, XXX engagements "@LewisCTech the easiest example comes from automata theory"  [@_Felipe](/creator/x/_Felipe) on [X](/post/tweet/1947090637725028796) 2025-07-21 00:25:57 UTC 4180 followers, XX engagements
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@_Felipe Felipe O. Carvalho
Felipe O. Carvalho posts on X about rocksdb, zig, productivity, gpu the most. They currently have XXXXX followers and XX posts still getting attention that total XXX engagements in the last XX hours.
Engagements: XXX #
- X Week XXXXX +878%
- X Month XXXXXX +3,152%
- X Months XXXXXX -XX%
- X Year XXXXXXX -XX%
Mentions: X #
- X Week XX +86%
- X Month XX +240%
- X Months XX +96%
- X Year XX -XX%
Followers: XXXXX #
- X Week XXXXX +0.36%
- X Month XXXXX +0.58%
- X Months XXXXX +0.26%
- X Year XXXXX +4.60%
CreatorRank: XXXXXXXXX #
Social Influence #
Social category influence stocks XXXX% technology brands XXXX%
Social topic influence rocksdb #1, zig 6.67%, productivity 6.67%, gpu 6.67%, virtual XXXX%
Top accounts mentioned or mentioned by @arundsharma @lewisctech @rocksdb @ovaistariq @akrylysov @iavins @midwesthedgie @adamrackis @eigenform @scmeerkat @muratdemirbas @felixclc @aramh @statisticsftw @nicbarkeragain @klinovp @sc_meerkat
Top Social Posts #
Top posts by engagements in the last XX hours
"@LewisCTech @iavins @RocksDB libc will give you all the posix syscalls. windows-sys gives you CreateFileMapping() and VirtualAlloc(). The crates you are talking about are layers on top of these OS functions. Wrap the unsafe code at your application code"
@_Felipe on X 2025-07-20 11:14:23 UTC 4181 followers, XXX engagements
"With well encapsulated unsafe code we should port LevelDB to Rust * to show how it can be done without any loss of performance. C++ can get you started quickly but long-term productivity is unlocked by using low-level Rust. * then @RocksDB" @_Felipe on X 2025-07-20 00:59:20 UTC 4183 followers, 4827 engagements
"@LewisCTech It's context-dependent and granularity-dependent. A program can be deterministic even if parts of it are non-deterministic" @_Felipe on X 2025-07-21 00:21:22 UTC 4183 followers, XXX engagements
"@eigenform @FelixCLC_ Thats why NVIDIA is really the CUDA compiler company not the GPU company 😀" @_Felipe on X 2025-07-20 23:50:22 UTC 4183 followers, XXX engagements
"@aramh I agree C++ and Rust code that uses too many lambda expressions and/or boxed functions Boxdyn Fn or std::function is always awkward. Better to rely on class-based virtual dispatching" @_Felipe on X 2025-07-20 21:53:12 UTC 4182 followers, XXX engagements
"Lifetime annotations so you never misuse a leveldb::Slice ever again" @_Felipe on X 2025-07-20 00:59:20 UTC 4181 followers, XXX engagements
"@ovaistariq @RocksDB Gains wont offset the cost (its a big project) but the C++ APIs as they are require a lot of care to be used correctly. I say this as user and reviewer of other peoples code using these APIs. Rusts borrow checker gives safe guards that would allow more people to succeed" @_Felipe on X 2025-07-20 02:42:22 UTC 4180 followers, XXX engagements
"@LewisCTech @RocksDB It's one crate per OS. It's easier to use the crate than to write your own bindings to libc win32 etc" @_Felipe on X 2025-07-20 01:30:39 UTC 4180 followers, XXX engagements
"@StatisticsFTW @nicbarkeragain They do But note that this optimization exploits UB so its not so aggressively exploited. If you have any byte thats considered true but is not X you will get the wrong product out of the multiplication" @_Felipe on X 2025-07-22 16:16:49 UTC 4183 followers, XXX engagements
"@LewisCTech the easiest example comes from automata theory" @_Felipe on X 2025-07-21 00:25:57 UTC 4180 followers, XX engagements