Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 193,438
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 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     201,791
Calibration 2     195,289
Calibration 3     193,559
ssj_ops@calibrated=194,424
100% 99.5% 194,424 193,438
90% 90.3% 174,982 175,526
80% 80.4% 155,539 156,377
70% 69.9% 136,097 135,967
60% 59.7% 116,654 116,116
50% 50.1% 97,212 97,448
40% 40.1% 77,770 77,907
30% 30.5% 58,327 59,385
20% 19.9% 38,885 38,599
10% 9.9% 19,442 19,285
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
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,678,671 1,494
Payment 14,678,671
Order Status 1,467,867
Delivery 1,467,866
Stock Level 1,467,867
Customer Report 14,678,671
Calibration 2 New Order 14,203,586 1,494
Payment 14,203,588
Order Status 1,420,358
Delivery 1,420,359
Stock Level 1,420,360
Customer Report 14,203,589
Calibration 3 New Order 14,077,580 1,494
Payment 14,077,581
Order Status 1,407,758
Delivery 1,407,759
Stock Level 1,407,757
Customer Report 14,077,578
100% 99.5% New Order 14,068,294 1,494
Payment 14,068,294
Order Status 1,406,830
Delivery 1,406,829
Stock Level 1,406,829
Customer Report 14,068,292
90% 90.3% New Order 12,766,685 1,494
Payment 12,766,687
Order Status 1,276,668
Delivery 1,276,669
Stock Level 1,276,669
Customer Report 12,766,688
80% 80.4% New Order 11,373,315 1,494
Payment 11,373,317
Order Status 1,137,330
Delivery 1,137,330
Stock Level 1,137,333
Customer Report 11,373,313
70% 69.9% New Order 9,889,105 1,494
Payment 9,889,102
Order Status 988,910
Delivery 988,910
Stock Level 988,910
Customer Report 9,889,102
60% 59.7% New Order 8,445,967 1,494
Payment 8,445,966
Order Status 844,596
Delivery 844,596
Stock Level 844,596
Customer Report 8,445,964
50% 50.1% New Order 7,087,271 1,494
Payment 7,087,267
Order Status 708,728
Delivery 708,726
Stock Level 708,727
Customer Report 7,087,274
40% 40.1% New Order 5,666,303 1,494
Payment 5,666,305
Order Status 566,630
Delivery 566,629
Stock Level 566,631
Customer Report 5,666,302
30% 30.5% New Order 4,319,091 1,494
Payment 4,319,093
Order Status 431,908
Delivery 431,908
Stock Level 431,910
Customer Report 4,319,090
20% 19.9% New Order 2,807,410 1,494
Payment 2,807,418
Order Status 280,741
Delivery 280,740
Stock Level 280,742
Customer Report 2,807,417
10% 9.9% New Order 1,402,616 1,494
Payment 1,402,617
Order Status 140,261
Delivery 140,261
Stock Level 140,262
Customer Report 1,402,611
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0