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feat: add DPM++ 2M SDE (Brownian tree) sampler (#1743)

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fszontagh
2026-07-05 17:32:43 +08:00
committed by GitHub
parent c60b36af0f
commit e9dee542c4
5 changed files with 166 additions and 4 deletions
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examples/common/common.cpp
+4 -4
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@@ -1106,7 +1106,7 @@ ArgOptions SDGenerationParams::get_options() {
&sample_params.guidance.slg.layer_end},
{"",
"--eta",
"noise multiplier (default: 0 for ddim_trailing, tcd, res_multistep and res_2s; 1 for euler_a, er_sde, dpm++2s_a and dpm++2m_sde)",
"noise multiplier (default: 0 for ddim_trailing, tcd, res_multistep and res_2s; 1 for euler_a, er_sde, dpm++2s_a, dpm++2m_sde and dpm++2m_sde_bt)",
&sample_params.eta},
{"",
"--flow-shift",
@@ -1138,7 +1138,7 @@ ArgOptions SDGenerationParams::get_options() {
&high_noise_sample_params.guidance.slg.layer_end},
{"",
"--high-noise-eta",
"(high noise) noise multiplier (default: 0 for ddim_trailing, tcd, res_multistep and res_2s; 1 for euler_a, er_sde, dpm++2s_a and dpm++2m_sde)",
"(high noise) noise multiplier (default: 0 for ddim_trailing, tcd, res_multistep and res_2s; 1 for euler_a, er_sde, dpm++2s_a, dpm++2m_sde and dpm++2m_sde_bt)",
&high_noise_sample_params.eta},
{"",
"--strength",
@@ -1509,12 +1509,12 @@ ArgOptions SDGenerationParams::get_options() {
on_seed_arg},
{"",
"--sampling-method",
"sampling method, one of [euler, euler_a, heun, dpm2, dpm++2s_a, dpm++2m, dpm++2mv2, dpm++2m_sde, ipndm, ipndm_v, lcm, ddim_trailing, tcd, res_multistep, res_2s, er_sde, euler_cfg_pp, euler_a_cfg_pp]"
"sampling method, one of [euler, euler_a, heun, dpm2, dpm++2s_a, dpm++2m, dpm++2mv2, dpm++2m_sde, dpm++2m_sde_bt, ipndm, ipndm_v, lcm, ddim_trailing, tcd, res_multistep, res_2s, er_sde, euler_cfg_pp, euler_a_cfg_pp]"
"(default: euler for Flux/SD3/Wan, euler_a otherwise)",
on_sample_method_arg},
{"",
"--high-noise-sampling-method",
"(high noise) sampling method, one of [euler, euler_a, heun, dpm2, dpm++2s_a, dpm++2m, dpm++2mv2, dpm++2m_sde, ipndm, ipndm_v, lcm, ddim_trailing, tcd, res_multistep, res_2s, er_sde, euler_cfg_pp, euler_a_cfg_pp]"
"(high noise) sampling method, one of [euler, euler_a, heun, dpm2, dpm++2s_a, dpm++2m, dpm++2mv2, dpm++2m_sde, dpm++2m_sde_bt, ipndm, ipndm_v, lcm, ddim_trailing, tcd, res_multistep, res_2s, er_sde, euler_cfg_pp, euler_a_cfg_pp]"
" default: euler for Flux/SD3/Wan, euler_a otherwise",
on_high_noise_sample_method_arg},
{"",