NVIDIA NCCL VS OpenCL_
As of 4 November 2026, OpenCL is named by 147 companies and NVIDIA NCCL by 195; NVIDIA NCCL skews to companies under 200 people (56% vs 54%), OpenCL to companies over 1,000 (29% vs 18%).
As of 4 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
The website-and-DNS footprint is not comparable between a marketing suite and a CRM: NVIDIA NCCL's script and mail records show on hundreds of thousands of small sites, OpenCL rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- NVIDIA NCCL: 2–200 employees
- 56%
- OpenCL: 2–200 employees
- 54%
- NVIDIA NCCL: 1,000+ employees
- 18%
- OpenCL: 1,000+ employees
- 29%
- Postings per company, 90 days
- 4.2 · 3.8
- Website or DNS footprint
- 0 · 0
Who chooses which
Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.
| Segment | NVIDIA NCCL | share | OpenCL | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 16 | 8% | 6 | 4% | NVIDIA NCCL |
| 2-10 employees | 49 | 25% | 23 | 16% | NVIDIA NCCL |
| 11-50 employees | 30 | 15% | 33 | 22% | OpenCL |
| 51-200 employees | 31 | 16% | 23 | 16% | even |
| 201-500 employees | 23 | 12% | 12 | 8% | NVIDIA NCCL |
| 501-1000 employees | 10 | 5% | 8 | 5% | even |
| 1001-5000 employees | 9 | 5% | 12 | 8% | OpenCL |
| 5001-10000 employees | 6 | 3% | 6 | 4% | even |
| 10,001+ employees | 21 | 11% | 24 | 16% | OpenCL |
| Segment | NVIDIA NCCL | share | OpenCL | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 125 | 64% | 48 | 33% | NVIDIA NCCL |
| Manufacturing & industry | 29 | 15% | 56 | 38% | OpenCL |
| Public, community & associations | 13 | 7% | 9 | 6% | even |
| Business & finance services | 9 | 5% | 17 | 12% | OpenCL |
| Media & content | 6 | 3% | 7 | 5% | even |
| Utilities & infrastructure | 4 | 2% | 2 | 1% | even |
| Consumer services & leisure | 3 | 2% | 2 | 1% | even |
| Automotive | 2 | 1% | 4 | 3% | even |
| Commerce & trade | 2 | 1% | 1 | 1% | even |
| Transport, logistics & rental | 2 | 1% | – | – | outside top 12 |
| Property & construction | – | – | 1 | 1% | outside top 12 |
| Segment | NVIDIA NCCL | share | OpenCL | share | Leans |
|---|---|---|---|---|---|
| United States | 144 | 74% | 92 | 63% | NVIDIA NCCL |
| United Kingdom | 14 | 7% | 10 | 7% | even |
| India | 4 | 2% | 6 | 4% | OpenCL |
| Australia | 3 | 2% | 2 | 1% | even |
| Canada | 3 | 2% | 6 | 4% | OpenCL |
| Switzerland | 3 | 2% | 2 | 1% | even |
| Germany | 3 | 2% | 9 | 6% | OpenCL |
| France | 3 | 2% | 5 | 3% | even |
| United Arab Emirates | 2 | 1% | – | – | outside top 12 |
| South Korea | 2 | 1% | – | – | outside top 12 |
| Singapore | 2 | 1% | – | – | outside top 12 |
| Belgium | 1 | 1% | 2 | 1% | even |
| Netherlands | – | – | 2 | 1% | outside top 12 |
| Poland | – | – | 2 | 1% | outside top 12 |
| Austria | – | – | 1 | 1% | outside top 12 |
| Segment | NVIDIA NCCL | share | OpenCL | share | Leans |
|---|---|---|---|---|---|
| Software engineering | 263 | 25% | 327 | 45% | OpenCL |
| Data & AI | 231 | 22% | 149 | 20% | even |
| IT operations & business systems | 120 | 11% | 8 | 1% | NVIDIA NCCL |
| Sales | 62 | 6% | 9 | 1% | NVIDIA NCCL |
| Engineering (non-software) | 48 | 5% | 109 | 15% | OpenCL |
| Customer service & success | 20 | 2% | – | – | outside top 12 |
| Product, program & project management | 12 | 1% | 9 | 1% | even |
| Business development & strategy | 6 | 1% | – | – | outside top 12 |
| Marketing & communications | 5 | 0% | 1 | 0% | even |
| research and science | 2 | 0% | 5 | 1% | even |
| Quality, safety & environment | 1 | 0% | 1 | 0% | even |
The companies behind each column
Companies using NVIDIA NCCL →
Companies using OpenCL →
hpc gpu computing ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
OpenCL is named by 147 companies in job postings and NVIDIA NCCL by 195; 0 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/nvidia-nccl-vs-opencl)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- Job postingsRead hourly from career sites. A tool counts when the employer's own text names it as the team's system; both tools can count for one company.
- Website and DNSScripts and embeds on the company's pages, plus SPF, DKIM, MX and CNAME records of its domain that point at the vendor.
- SegmentsCountry, size and industry from the company profile built from its website.
- Not a reviewNo ratings, prices or feature claims. For those, read the vendors.
NVIDIA NCCL vs OpenCL: questions
Which is more used, NVIDIA NCCL or OpenCL?
By companies naming it in their own job postings, NVIDIA NCCL (195) over OpenCL (147). By website-and-DNS footprint, OpenCL (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses NVIDIA NCCL?
56% of NVIDIA NCCL companies have 2 to 200 employees, against 54% for OpenCL. 18% of NVIDIA NCCL companies have over 1,000 employees, against 29% for OpenCL.
Do companies run both?
0 companies name both in their postings, usually NVIDIA NCCL in marketing and OpenCL in sales, or during a migration.
Where do these numbers come from?
From the employer's own text in job postings read hourly from career sites, and from scripts found on company websites in our crawl. No vendor data, no surveys.
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