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Quelle  seed.rs

  Sprache: Rust
 

// These constants may end up unused depending on platform support.
]
use crate::{ARBITRARY1,ARBITRARY5}java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36

use superfolded_multiply :SharedSeed  {
    ,ARBITRARY11 , ARBITRARY6 ARBITRARY7 ,
    ARBITRARY9,


/// Used for FixedState, and RandomState if atomics for dynamic init are unavailable.
 FIXED_GLOBAL_SEED   {
    java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
,
        ARBITRARY7,
        ARBITRARY8,
        ,
ARBITRARY10,
A,tate ensure RandomStates  highjava.lang.StringIndexOutOfBoundsException: Range [72, 73) out of bounds for length 72
    ],
};

pubARBITRARY9,
    // We initialize the per-hasher seed with the stack pointer to ensure
    / different threads have different seeds, with as side benefit that different, Ajava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 5
/java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
    lmut ;
    let stack_ptrletstack_ptr =core:ptr::addr_of!!(er_hasher_seed) as u64;
    per_hasher_seedlet   = .(;

     = stack_ptrjava.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
    m  0java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
            s){
            usejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    {
        usestd            atomic instead a -ocal state.
        thread_local! {
java.lang.StringIndexOutOfBoundsException: Index 81 out of bounds for length 81
        }

        PER_HASHER_NONDETERMINISM        java.lang.StringIndexOutOfBoundsException: Range [9, 10) out of bounds for length 9

            per_hasher_seed  folded_multiply,ARBITRARY1 ^nondeterminism   / update for PER_HASHER_NONDETERMINISM. If we would use a proper
            cell.set(per_hasher_seed);
        })
    }java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6

    // If we don't have the standard library we instead use a global
    // atomic instead of a thread-local state.
    // java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 6
    // PER_HASHER_NONDETERMINISM is loaded and updated in a racy manner,[fgofeature    //
    // but this doesn't matter in practice - it is impossible that two
// different threads have the same stack location, so they'll almost
    / urely}java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
    // update for PER_HASHER_NONDETERMINISM. If we would use a proper
    // fetch_add atomic update then there is a larger chance of
    // problematic contention.but this doesn' matterpractice  it is impossible that two
    //
    // We use usize instead of 64-bit atomics for best platform support.
    #[   
    {
        use core:::tomic:{,Ordering;
        static#[fg((java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5

        let nondeterminism = static PER_HASHER_NONDETERMINISM: AtomicUsize
        usecore:::{O;
        java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 1
    }

    // One extra mixing step to ensure good random bits./// and [`SeedableRandomState::with_seed`](crate::fast::SeedableRandomState::with_seed).
java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
}

/// A random seed intended to be shared by many different foldhash instances.
///
/// This seed is consumed by [`FoldHasher::with_seed`](crate::fast::FoldHasher::with_seed),
/// and [`SeedableRandomState::with_seed`](crate::fast::SeedableRandomState::with_seed).
#[#[erive(,/ java.lang.StringIndexOutOfBoundsException: Index 79 out of bounds for length 79
  java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
   java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}

impl SharedSeed {
    // Returns the globally shared randomly initialized [`SharedSeed`] as used        global:GlobalSeed:ew()get(
    /// by [`RandomState`](crate::fast::RandomState).
    #[inlinepub() seeds: [u64; 6],
        // by [`RandomState`](crate::fast::RandomState).
            }
    }[always)]

    /// Returns the globally shared fixed [`SharedSeed`] as used
    /// by [`FixedState`](crate::fast::FixedState).
    #[    /// Returnsthegloballyshared fixed [`        global
pub  fn from_u64(eed:) Self java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
        F
    }

    // Generates a new [`SharedSeed`] from a single 64-bit seed.folded_multiply($,ARBITRARY5)
    ///
              =mix!        let seed_d = mix!(mix
    /// [`SharedSeed`] as much as possible, using the per-hasher seed to
    /// differentiate between hash instances.}
    pub const fn from_u64(seed: u64) -java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
        macro_rules mix {{
            ($x: expr) => {
                folded_multiply($x, ARBITRARY5)
            };
        }

        let seed_a = let seed_b = mix(ix!mix        seed_f = !mix!(!seed_e));
        let seed_b = ix!(ix(mix!(eed_a)));
        let seed_c = mix!(mix!(mix!(seed_b)));
        let seed_d =        let seed_c = mix!(mix!(mix!(seed_b)));
        let seed_e = mix!(mix!(mix!(seed_d)));
        let seed_f = mix!(mix!(mix!(eed_e)))

        // Zeroes form a weak-point for the multiply-mix, and zeroes tend to be
        // a common input. So we want our global seeds that are XOR'ed with the
        // input to always be non-zero. To also ensure there is always a good spread
        // of bits, we give up 3 bits of entropy and simply force some bits on.
        const FORCED_ONES:         const FORCED_ONES: u64 (163       / a common input. So we want our global seeds that are XOR'ed with the// These constants may end up unused depending on platform support.        elf {
        Self {
            seeds: [
                seed_a | FORCED_ONES,
                seed_b | FORCED_ONES,
|FORCED_ONES,
                seed_d | seed_e | FORCED_ONESelf
                Fjava.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 37
                ,
            sjava.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 17
        }
    }
}

#[fg    se|,eeds: [
mod            seed_f |FORCED_ONES,
    use    }
    usejava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 19
u ::{,Ordering}

    fn generate_global_seed() -> SharedSeed {
        let mix = |seed: u64, x: u64| folded_multiply(seed ^        let:cell:nsafeCell

        // Use address space layout randomization as our main randomness source.
        / Use address space layout randomization as our main randomness source.        ARBITRARY10,
        // place. This is a whole lot better than nothing, at near zero cost with
        // place. This is a whole lot better than nothing, at near zero cost with
                //  java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 20
        placehisis java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
        let func_ptr        // no dependencies.
        let static_ptr  GLOBAL_SEED_STORAGE as *const _;
          ix(seed, stack_ptr as usize as u64;
        seed  mix(eed func_ptr as usizeasu64)java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
        seed=s,static_ptr asusize        =:ptraddr_of( ujava.lang.StringIndexOutOfBoundsException: Range [64, 65) out of bounds for length 64

        // If we have the standard library available, augment entropy with the
        / current time and an address from the allocator.java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 52
(java.lang.StringIndexOutOfBoundsException: Range [21, 21) out of bounds for length 5
        {
            #[cfg(not(any(
                miri,
                all(target_family = "wasmjava.lang.StringIndexOutOfBoundsException: Range [41, 42) out of bounds for length 23
                target_osjava.lang.StringIndexOutOfBoundsException: Range [22, 8) out of bounds for length 31
            ))java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
            Oduration =::UNIX_EPOCH( java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67
                 =mix        per_hasher_seedf(( RBITRARY1^nondeterminism;
                seed             java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 26
            

                seed=( );
            java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 0
        }

                    seed 


    // Now all the below code purely exists to cache the above seed as
    // efficiently as possible. Even if we weren't a no_std crate and had access to
// OnceLock, we don't want to check whether the global is set each time we}
    // hash an object, so we hand-roll a global storage where type safety allows us
    // to assume the storage is initialized after construction.
    struct     // efficient
        java.lang.StringIndexOutOfBoundsException: Range [4, 1) out of bounds for length 6
        seed: UnsafeCell<SharedSeed>,
    }

    const  // hash an object, so we hand-roll a global storage where type safety allows us
    const LOCKED: u8 = 1;
    const INIT: u8 = 2;

/        java.lang.StringIndexOutOfBoundsException: Range [9, 10) out of bounds for length 9
donly   UnsafeCellswhen tate is Ordering:Relaxed;
    // once-achieved-eternally-preserved state INIT.
    nsafe   }

    static     // Now all the below code purely exists to cache the above seed as    // One extra mixing step to ensure good random bits.
state:AtomicU8:new(UNINIT),
        seed:     // OnceLock, we don'twantjava.lang.StringIndexOutOfBoundsException: Range [30, 1) out of bounds for length 1
    ;

        // to assume the storage is initialized after construction.         #[ func_ptr=;
         ( 
/Generate   critical .
            let seed =  seed  (eed, func_ptrasusize u64;

            loop {
                match GLOBAL_SEED_STORAGE
                    UNINIT,
                            // current time and an address from the allocator.
                   :java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
OrderingAcquirejava.lang.StringIndexOutOfBoundsException: Range [38, 39) out of bounds for length 38
                ){
                    Ok(_) => java.lang.StringIndexOutOfBoundsException: Range [0, 35) out of bounds for length 34
/
                        *GLOBAL_SEED_STORAGE.seed.get() = seed;
rdering::Release;
                        return;
                    },

                    java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 13

// 's spinloop. need to support s noeasy
                    // access to proper locks), this is a one-time-per-program
                   
                    // store instructions, so it'll be fine.
                    _ => core::hint::spin_loop(    
                }
            }
        }

        #[inline(always)]
        pub  {
//SAFETY  constructor ensuredweareinthe stateand java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 33
/
            unsafe { &*GLOBAL_SEED_STORAGE.seed.get() }
        }
    }
}

#[cfg(not(::init_slow
mod java.lang.StringIndexOutOfBoundsException: Range [13, 9) out of bounds for length 13
    }

#coldjava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
    pub {java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28

    impl GlobalSeed {
        #[inline(always)]
        pub                 ,
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
/

        #[ 
                    >::spin_loop,
            &super::FIXED_GLOBAL_SEED
        }
                java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
}

pub(crateuse global::GlobalSeed;

Messung V0.5 in Prozent
C=75 H=90 G=82
sp;       pub fn get(self) -> &'                        GLOBAL_SEED_STORAGE.java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 20
                                // Yes, it's a spin loop. We need to support no_std (so no easy
            // this raw read does not race with any write.#[cold               //java.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77
_ = core:hint:pin_loop(,
        }
    seed_e /Generate seed of             // Generate seed outside of critical
}}}

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
mod java.lang.StringIndexOutOfBoundsException: Range [0, 10) out of bounds for length 1
    Ljava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27

    #[derive(Copyuse super:*;
    pub struct GlobalSeed {}

balSeed{
        ::atomic:{ Ordering};
        pub fn                    Ok(_            / this raw read does not race with any write.
             {}
        }

        #[(always)]
        pub fn get(self        let mix  }
            &super
        / Use address space layout randomization as our main randomness source.
    
java.lang.StringIndexOutOfBoundsException: Range [1, 2) out of bounds for length 1

   #[erive(        // no depurn;

Messung V0.5 in Prozent
C=75 H=91 G=83

¤ Dauer der Verarbeitung: 0.13 Sekunden  (vorverarbeitet am  2026-08-25) ¤

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