COLM 2025
Figure: Hybrid Noising Process illustrating how HDLM interpolates between absorb (mask) and uniform (random) steps via per-token hyperschedules.
We present significant extensions to diffusion-based sequence generation models, blurring the line with autoregressive language models. We introduce hyperschedules, which assign distinct noise schedules to individual token positions, generalizing both autoregressive models (e.g., GPT) and conventional diffusion models (e.g., SEDD, MDLM) as special cases. We also propose two hybrid token-wise noising processes that interpolate between absorbing and uniform processes—enabling the model to fix past mistakes—and a novel inference algorithm that leverages this new feature. To support efficient training and inference, we design attention masks compatible with KV-caching. Our methods achieve state-of-the-art perplexity and generate diverse, high-quality sequences across standard benchmarks, suggesting a promising path for autoregressive diffusion-based sequence generation.
HDLM introduces the concept of a hyperschedule: a per-token noise schedule that can recover both autoregressive and diffusion behaviors.
Figure: Four example hyperschedules— (a) Quenched (AR), (b) Flat diffusion, (c) Block annealing, (d) Slide annealing.
To avoid recomputing settled tokens, HDLM uses:
Two inference modes:
Figure: Training attention masks for aligned (striped+solid) and shifted (solid only) modes.
HDLM variants (green) lie on the Pareto frontier, offering lower GPT-2-judged perplexity at matched or higher diversity than other diffusion-LLM baselines.
| Method | WikiText | LAMBADA | PubMed | arXiv |
|---|---|---|---|---|
| Transformer (Sahooet al.) | 25.8 | 51.3 | 49.0 | 41.7 |
| SEDD (Louet al.) | 36.0 | 48.9 | 45.4 | 40.0 |
| MDLM (Sahooet al.) | 33.2 | 48.3 | 43.1 | 37.9 |
| BD3-LM (Arriolaet al.) | 31.3 | 50.0 | 42.5 | 39.2 |
| γ-Hybrid (Ours) | 30.0 | 45.4 | 46.6 | 40.6 |
| ε-Hybrid (Ours) | 32.5 | 50.2 | 41.2 | 37.8 |
Traditional AR decoding cannot revise past tokens. ACS breaks this by iteratively refining low-confidence predictions, controlled by hyperparameter η.
| Sampler | MAUVE ↑ | Gen. PPL ↓ | Entropy ↑ | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ρ=8 | ρ=4 | ρ=2 | ρ=1 | ρ=8 | ρ=4 | ρ=2 | ρ=1 | ρ=8 | ρ=4 | ρ=2 | ρ=1 | |
| Original | 0.950 | 0.944 | 0.848 | 0.779 | 130.8 | 124.8 | 121.9 | 129.5 | 5.51 | 5.47 | 5.49 | 5.50 |
| ACS (η=0.25) | 0.955 | 0.821 | 0.859 | 0.928 | 79.64 | 65.06 | 55.05 | 49.09 | 5.35 | 5.28 | 5.24 | 5.19 |
Each step consists of:
arXiv
Weights
Video
logits = model(window, cache)window, new_settled = sample(window, logits)cache = update(cache, new_settled)
Figure: Code + visual grid showing how the window & cache evolve across iterations.
Twenty-something host will soon have a new spot at a main commercial-run drugmakers’ clinic in his home state of New Mexico. Chris Brewster is convinced that it could lead to the world market for Type II's genetically modified metallomics drugs from certain not-too-famous contenders elsewhere in the medical marijuana industry who have partnered up with the cannabis company Little Troy Farms to roll out FDA approval for the widely used CRISPR-free Jacoby-Glynda hybrid product. At least three manufacturers have been selected for the enterprising position, which also includes Schluge Therapeutics, Porsale, Mosaic, Marin and IE Pharma. 'The total number of drug prices in America in 2013 had the highest in any single year.' Prasepalan, Dr. Dave Rouzeau's permission to begin selling medicine has long been a crusader for medical marijuana and these days, Dr. Brewster and Dr. Rimelter are taking their criminal flair to the next level. Rouxau and his fellow New Mexico drug regulatory experts will be making their cases in October, which would complete a 90-page interface presenting the medical world, checks and balances and system reviews for each company's patented drugs involved in overall delivery by patient care providers and regulators. ``We have seen this is a breakthrough that patents have exploded," said Johnson, who represents Prasepalan's chiropractor, Adderall, and his partner, Rick Kelbyck, who specializes in pharmaceutical treatment and drug treatment products at Wellesley and Kroll Laboratories, among other giants, in Austin. ``We do have a case to make," and an additional 12 to 25 miles away from Prasepalan, Dr. Hansen will charge a direct fee to Symantec to make the prescription of Nathur Shemogood's Marin-REX Therapeutics-Lucenti, a New Mexico-based machine that has shipped a billion dollars worth of medicine to every business in the United States and Canada.<|endoftext|>No man on the verge of retirement must fear the official automated deportation system, fair trade prosecutor Rafaela Gonzalez thinks. D.C.—a remote northern island nation governed by rigid immigration rules with 90 million illegal immigrants, 85 million people without adequate food, and 1 million illegal, unauthorized immigrants—that will soon surge around the United States? Gonzalez got the idea from a journalist at a Caution Center paper to mark the anniversary of the United Nation’s signing of the massive Comprehensive Economic and Policy Agreement (COP21) in 1995. Typically it’s a minor-level agreement that provides an objective, stable key equation wherein every country, every country can control both the economy and country’s external affairs by changing its immigration and customs policy. Democracy and separation of the people and law enforcement. In March of this year, Gonzalez released a new chapter in her career-spanning memoir Magic of Arrows: The Filibuster of Gang Targets and Promise of Perfection. Modeled after a projection of long-term economic effects from government handouts to its leaflet, her book is dated May 21–24: Four days before America secedes from formally abolishing the six-nation customs union, America’s ex-military leaders vow to force America to break off the military response to escalating pro-secularism. The first chapter is rated as one of the first lists of the U.S. Category A countries for its purposes, code for “unfair advantage,” with a stylized listing of 22 whose influence has been ascendant since the dawn of capitalism. As Gonzalez points out, the list displays the position of bodies such as United States Samoa and Croatia, whose remotes are sprinkled with their own market share and have expressed renewed interest in reaching out to countries like the BRICS, a 33-nation grouping that then can take tougher measures against those competitors. “There are tremendous opportunities,” Gonzalez writes. “From a Washington perspective, it’s easy to see players–the world’s poorest, country’s most vulnerable–already feeling the need for a more calculated and conscientious policy in regard to smuggling drugs and other illegal trade into our midst.” D.C. is not alone: The Pan American Conference of Scholars announced that more than 3,000 countries sent almost 1,000 requests for tickets, and more than 17,000 applications for tickets have been denied since March of this year. Last May, the Selena–Ranich Trade Union Confederation—the country’s only market, for which agribusiness corporations receive billions of dollars of grants annually—received a “delusion team response” of 6,000 applicants in 81 international training centres. Robert Dellinger, deputy director for the International Union of Red Cross Office for Latin American Mission who awaits a decision in the file
SALT LAKE CITY — The Utah Legislature committee chairwoman says it is a problem to persuade the state to legalize drug behavior. Wroeff Bugler reports for the Salt Lake Tribune Jan. 7, 2014 The bill's sponsor, Rep. Mike Tate, chairman of the Utah Business Improvement Association, says they would legalize the use of drugs "in a variety of policy areas." A Republican lawmaker called them to say a ban on the use of marijuana is the best way to tackle the problems of drug rights. (Photo: Cmdr. Roger Sultanousi) According to a lawmakers 16-30 majority, the bill has the support of animal rights groups and equal representation. The bill would allow adult humans from nearly all biological categories to get arrested if they haven't already committed crimes and other vulnerable individuals who could be facing significant financial penalties. Utah's enactur percent has only 40 percent of all parental consent for an adult; that's not as far as human children go, but nearly half of teenagers are aborted at 18 months of age and illegal background checks don't exist for any other concern. "Now focus on the serious crime aspect of the bill," spokeswoman Heather Chien said at the time. "Our believe hearing the issue of having the guy using the drug would be beneficial not just for the child, but the offender." It comes as more and more farmers and livestock owners are scheduling change reviews. The Senate voted on Thursday to either let best-information request a vote on the pass or create a freedom of information request prioritized specifically by the state's enforcement motion, 54-12, to allow the vote by a vote of more than two to one. NEWSLETTERS Get the AZ Memo newsletter delivered to your inbox We're sorry, but something went wrong Get the pulse of Arizona — Local news, in-depth state coverage and what it all means for you Please try again soon, or contact Customer Service at 1-800-332-6733. Delivery: Mon-Fri Invalid email address Thank you! You're almost signed up for AZ Memo Keep an eye out for an email to confirm your newsletter registration. More newsletters In answer to a question posed by friend, lobbyist, and political activist Ed Priderout, this bill ultimately failed. Though it remains to be seen what will happen in the future, a resolution Friday would call for the use of fewer than 5 percent of all adult diapers in a single year for the state's menial and surgical courier services. The measure was also a tamper-resistant rabble fruit without trans fats. "Despite some objections we need to make the safety mechanism work in a future we don't believe is most effective, and that's just who they are as I've been trying to get our labor. We have to use a combination of dog tags and earplugs, so that we can improve our conditions," said Rep. David Cale-Dero. Copyright 2015 The Salt Lake Tribune.<|endoftext|>CALGARY — It was the two-day drive north through the republic – Ontario and the provinces – over the past three months that signs giving freemen extraordinary tourism in the province appear to have slipped away, leaving many of the seasonal magnetes at a bottom. Really? Rogue tards are wasting time in Canadians and anxieties are getting better. Conspiracists have become “emerged,” as experts characterize them, in a new sense, either as congenial naïvetés – quasi-religious adventurous sluts – rather than numb, territorial isolates like northern Canadians who are already born in the same spot, or simply as less flexible and maneuvering players that can deliver on their hard economic-mindedly defined tenets. Certain politicians are reading the Pearls Bible and happy that they lack cable, satellite TV or otherwise space-time worthy support in the province’s often futile re-election campaigns. Yet many Canadians see the Alberta premier as more philosophical than conservative. Some have joined the “unreliable” view that there is another side to the tale. Amplification over the provincial election left Coyote Falls and Tire Centre, Conservative and Labor alike, shared the view a month ago on the periphery of the serenity of the Alberta electorate that the drums were driving on the Alberta government’s provincial campaign. But the NDP MLA was also shaking that opinion with equal dismay when Ford’s demand that union representation be halted by the federal government for the next two years yielded a somewhat sympathetic “no.” And say many of the former leaders want more safeguards in the build-up of unions. One, minister Clifton Sanderson, acknowledged his former colleagues had brought with them new rules, regulations and so on that could be in their path. But, it remains a matter of interpretation. “We welcome that a promise of transparency and clarity – that
White House chief of staff Reince Priebus traveled to Washington, D.C., on Wednesday to be briefed by Vice President Mike Pence and other top advisers about the nature of the crisis in Ukraine and its potential impact on the United States. The new official, who was not authorized to speak publicly by the White House, met with senior American Russian policy experts and other world leaders as part of a trip to Moscow to meet with Ukrainian leader Mykola Azarov. The trip comes as tensions peak over President Donald Trump’s handling of the refugee crisis and its potential for conflict with Russia. Jared Kushner’s efforts to pump up the Dubrovnik deal have raised concerns that it could backfire. Kushner Trump is accused of colluding with the Kremlin, according to a New York Times report . White House officials said that press secretary Sean Spicer called Kushner a “little stranger” when asked if he was familiar with the concerns swirling around the discussions, according to an account published by NBC News . “The president-elect agreed to be briefed by my team on Russian meddling in our election process,” Press Secretary Sean Spicer told NBC News in a telephone call, adding that he didn’t have an authority to disclose details of the discussions. Versions of the meeting have drawn criticism from U.S. politicians, military officials and human rights advocates. In a separate report, former acting FBI Director Andrew McCabe said he was not aware of any conversations with any Russian officials. He has said he did not know why the advisers were so closely involved in this scheduling conflict. “I use very preliminary, telephone calls with colleagues both within our own department and overseas, and I have not had conversations with any of them,” McCabe said of the meetings, which included senior officials and a White House official. The meetings involve joint efforts by the White House and individual individuals with the understanding that such a meeting would not occur, McCabe said, adding that no other member of the senior staff was involved. “Please, contact the people you know with whom you have the knowledge in this room. Basically, I am asking you to do the work of reaching out to each one of the top officials associated with your Department of State,” McCabe said. “Since this is tense, I have trying to contact both the President and his staff and conduct the interview,” McCabe said. Guidance White House advisers held a series of meetings with top officials of the Department of State and its federal counterparts. However, the White House’s meetings were themselves influenced by events to help the new administration rule out greater involvement in an escalating crisis that has killed more than 200,000 lives since last August. In speeches delivered to the nation, Trump touted Friday’s meeting on June 20 as another reminder of the importance of new sanctions against Russia. Trump said Russia’s nuclear weapons “are insulting weak countries” and hoped “for a new normal” after a nosedive in the U.S. elections. “We have a great relationship with Russia, and we continue to look forward to strengthening our relationship with them,” said Trump. The “warm” Russia policy has deepened the already long-standing divisions over the Obama administration, and Putin’s recent ally Russia, who built a buffer zone along the Black Sea in 2013, ordered an invasion in 2014 of eastern Ukraine. White House spokesman Sean Spicer said he was “careful” with ties with Russia.<|endoftext|>On Tuesday night, LeBron James received news he was going — so often — from the Hall of Fame. Cleveland’s most respected individual, who most known for his love of basketball, was getting a heart-to-heart with one of the most prestigious prospects in pro basketball history, sitting in the stands as the Knicks’ first guard of the year. The official photo for the Knicks’ current superstar, George Conte, was taken by the longtime reality television legend Wade Boggs. We demand James get a heart. Exactly what he deserves is hard to guess. People to the point a man taken to heart who never weeks ago was the kind of person a champion of truth would want to meet or make close friends with without his inner purpose. After all, people feel very similar if they haven’t seen Wade Boggs’ latest film, Clump, in which he takes matters into his own hands and seizes his wife — the same wife that never had a child up for adoption. This event has the potential to be a sour revenge for the Kevin Durant coronation that began a week ago – a winner’s assuredly standard season that had little impact on James’ looming future. But that’s not the case here, either; the only one he is saying is that the uninspiring
Tsherberg is talking about former Republican Rep. Joe Burns who, in many ways tried to do better politically, canceled my appearance in 2012. She said that when the Republican president and we were playing with one other’s decisions, it was the Chechen deal. “Every time I think, there’s nothing in the issue,” she said. “There comes a time when I faced with reality in a very difficult way. It’s not something I want to put the side of the my team past me.” During O’Reilly Factor in December 2011, when I dealt with most of my viewers, I watched the Obama Britain show again. “I was watching very, very closely, knowing that there was an opportunity, I knew I didn’t want to be able to be able to help the Americans. I couldn’t help that,” I said. Cack Obama also said several people without any authority, just due diligence, have commented on his plan to return to Chechnistan and Russia. T. Obama said he’s not against Putin, and referred to himself as Putin-PM, who said he’s taking “America’s values forward.” “I think that’s a turning point,” Iza said in 2008 just before the start of my comments, referring to Iza’s parent party, Moscow’s Communist Party, in 1997, according to The Associated Press. Asked whether Iza believes the economy and its security should run well into the Chechen agreement, and the leader ISIS was this month, Iza said that Trump is a far to go, more conservative agenda. “He can’t be a politician — he’s not a tough guy who doesn’t take a person,” she said. “My people have respect too. My children are not civil andRoll but they do not [acc believe me].” After speaking at Trump’s Palm Beach, a bus stop in Texas on Sunday, his attorney, Republican Frank Agoodz, said neither he nor Iza accused me of arguing at the “Maxby Restaurant” in Texas. “Williams, I want them to help, I don’t want them to be able to help me,” Iza was recorded as saying. “He said, ‘You have an opportunity in doing this and then you have to do this, you can do this; it’s starting, that’s getting the right people to do it, and he said, ‘They’re going and did, yeah,,’” she tells The Associated Press on Friday evening. Sokherberg had not prior known Iza’s release — since his public hearing, he hasn’t has been expecting anything since then. But Iza said this is a situation that will cause “Great pain” for all his family. “It’s important to my well-being, to care for others, about peace and just to be strong,” she said. “As long as I don’t, I won’t. I think if I won’t, I will have no apologies.” Their representatives before they gather on Saturday. “It is a man with the very strong side of things, that has a long way to go,” she said. “He’s been singled out by the President. He has turned even more extreme off the map and is being led by the Republican party and the economy that are making a debt-laden economy out of his dream. “The public is a mind-set, and his decision to speak to the public was a mind-set.” In a CNN video excerpt that includes her closing remarks, the then-U.S. Senate wasift to safety to stand in front of Republican House-time House Speaker and former White House special counsel Paul Pro Romanoff.<|endoftext|>New Villa in the midst of not making a cause in Sunday’s clash at Villa, who started toestern to the title last season. With Villa attacking you no certainly doubt it, if it was the second title they had won in the most recent five years, over the likes of Marc Canado, Robbie, Fernandes and CFOi. But Villa think an answer to that battle over Canado is the help of the Vy’s and in speeding up the relationship with the Portuguese forward in ways he hasn’t shown in his past season. West Villa turned their attention to defence in with Canado, who represented the England national team even last season after he became the first ever to score four goals. He went on the same defensive side though, is now holding up front to rival one of the top midfielders and attack in the second half. West Villa’s second-half form last season however, has been done again in favour to substitute Scott-Fidane Jr, who later moved to Paris City on Wednesday. John Gomez and João Aguero have moved to
The cat sat on the mat and looked up, staring at the ceiling as if something interesting were up there. It made no sound, but occasionally flicked its tail back and forth. “Is he always like this?” I asked. She smiled and nodded. “Pretty much. Sometimes he stares out the window too.” The cat glanced at me, seemed to consider something deeply philosophical for a moment, and then resumed staring upward. “Do you think he sees things we don’t?” I asked, half-joking. “Probably,” she replied, laughing softly. “Cats always seem to have a foot in another world, don’t they?” I chuckled, taking a sip from my coffee. “Maybe we should take notes.” “Maybe we should,” she said, still smiling. “We might learn something.” The cat yawned lazily, stretched, and settled even more comfortably onto the mat, clearly deciding that whatever secrets the universe held could wait a little longer.
@article{fathi2025unifying,
title={Unifying autoregressive and diffusion-based sequence generation},
author={Fathi, Nima and Scholak, Torsten and Noël, Pierre-André},
journal={arXiv preprint arXiv:2504.06416},
year={2025}
}