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Tokenization Fidelity and Throughput Analysis on Penn Treebank (PTB)

30.44Throughput (Bytes/sec)pllama1B ◦ fα ◦ fptb
-1.00967.155215.3223.4848Mar 5, 2026

Evaluation results

MethodLinks
pllama1B ◦ fα ◦ fptbthreshold (tau)=1e-12026.0330.440.003
pgpt2 ◦ fα ◦ fptbthreshold (tau)=1e-12026.0326.650.0039
pllama8B ◦ fα ◦ fptbthreshold (tau)=1e-12026.0319.250.0025
pllama1B ◦ fα ◦ fptbthreshold (tau)=3e-22026.0317.450.0011
pgpt2 ◦ fα ◦ fptbthreshold (tau)=3e-22026.0317.030.0014
pllama8B ◦ fα ◦ fptbthreshold (tau)=3e-22026.0313.380.001
pgpt2 ◦ fα ◦ fptbthreshold (tau)=1e-22026.0310.790.0006
pllama1B ◦ fα ◦ fptbthreshold (tau)=1e-22026.0310.540.0004
pphi4 ◦ fα ◦ fptbthreshold (tau)=1e-12026.0310.070.0046
pllama8B ◦ fα ◦ fptbthreshold (tau)=1e-22026.039.490.0006
pllama1B ◦ fα ◦ fptbthreshold (tau)=3e-32026.038.30.0001
pllama8B ◦ fα ◦ fptbthreshold (tau)=3e-32026.035.90.0001
pphi4 ◦ fα ◦ fptbthreshold (tau)=3e-22026.035.870.0038
pgpt2 ◦ fα ◦ fptbthreshold (tau)=3e-32026.034.520.0002
pllama1B ◦ fα ◦ fptbthreshold (tau)=1e-32026.034.130.0001
pllama8B ◦ fα ◦ fptbthreshold (tau)=1e-32026.033.290.0001
pphi4 ◦ fα ◦ fptbthreshold (tau)=3e-32026.032.950.0004
pphi4 ◦ fα ◦ fptbthreshold (tau)=1e-22026.032.940.0032
pgpt2 ◦ fα ◦ fptbthreshold (tau)=1e-32026.032.010.0001
pllama1B ◦ fα ◦ fptbthreshold (tau)=3e-42026.031.670
pphi4 ◦ fα ◦ fptbthreshold (tau)=1e-32026.031.540.0004
pllama8B ◦ fα ◦ fptbthreshold (tau)=3e-42026.031.420
pgpt2 ◦ fα ◦ fptbthreshold (tau)=3e-42026.030.810
pllama1B ◦ fα ◦ fptbthreshold (tau)=1e-42026.030.7—
pllama8B ◦ fα ◦ fptbthreshold (tau)=1e-42026.030.56—
pphi4 ◦ fα ◦ fptbthreshold (tau)=3e-42026.030.48—
pgpt2 ◦ fα ◦ fptbthreshold (tau)=1e-42026.030.2—