Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 194,132
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 22, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     195,730
Calibration 2     194,672
Calibration 3     194,701
ssj_ops@calibrated=194,686
100% 99.7% 194,686 194,132
90% 89.8% 175,218 174,863
80% 80.4% 155,749 156,545
70% 69.8% 136,281 135,814
60% 59.9% 116,812 116,623
50% 50.0% 97,343 97,427
40% 39.8% 77,875 77,475
30% 29.7% 58,406 57,788
20% 20.2% 38,937 39,275
10% 9.9% 19,469 19,253
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Minimum Power (Performance per Watt Optimized)
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,237,656 1,494
Payment 14,237,651
Order Status 1,423,767
Delivery 1,423,764
Stock Level 1,423,766
Customer Report 14,237,651
Calibration 2 New Order 14,159,586 1,494
Payment 14,159,586
Order Status 1,415,960
Delivery 1,415,959
Stock Level 1,415,958
Customer Report 14,159,589
Calibration 3 New Order 14,160,244 1,494
Payment 14,160,242
Order Status 1,416,023
Delivery 1,416,024
Stock Level 1,416,026
Customer Report 14,160,240
100% 99.7% New Order 14,119,377 1,494
Payment 14,119,381
Order Status 1,411,938
Delivery 1,411,938
Stock Level 1,411,938
Customer Report 14,119,375
90% 89.8% New Order 12,718,328 1,494
Payment 12,718,333
Order Status 1,271,833
Delivery 1,271,832
Stock Level 1,271,834
Customer Report 12,718,328
80% 80.4% New Order 11,385,618 1,494
Payment 11,385,622
Order Status 1,138,561
Delivery 1,138,562
Stock Level 1,138,562
Customer Report 11,385,623
70% 69.8% New Order 9,877,907 1,494
Payment 9,877,909
Order Status 987,792
Delivery 987,790
Stock Level 987,791
Customer Report 9,877,907
60% 59.9% New Order 8,482,367 1,494
Payment 8,482,368
Order Status 848,236
Delivery 848,238
Stock Level 848,236
Customer Report 8,482,366
50% 50.0% New Order 7,085,968 1,494
Payment 7,085,975
Order Status 708,597
Delivery 708,597
Stock Level 708,598
Customer Report 7,085,977
40% 39.8% New Order 5,635,263 1,494
Payment 5,635,268
Order Status 563,526
Delivery 563,527
Stock Level 563,526
Customer Report 5,635,263
30% 29.7% New Order 4,203,050 1,494
Payment 4,203,048
Order Status 420,304
Delivery 420,304
Stock Level 420,306
Customer Report 4,203,045
20% 20.2% New Order 2,856,510 1,494
Payment 2,856,514
Order Status 285,651
Delivery 285,650
Stock Level 285,651
Customer Report 2,856,508
10% 9.9% New Order 1,400,302 1,494
Payment 1,400,303
Order Status 140,031
Delivery 140,030
Stock Level 140,030
Customer Report 1,400,304
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0